459.554720][ T7161] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  459.562833][ T7161] RBP: 00007f9b686d8ad0 R08: 0000000000000000 R09: 0000000000000000
[  459.571081][ T7161] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  459.579424][ T7161] R13: 000000000000000b R14: 00007f9b6879bf80 R15: 00007ffe9332b738
[  459.587703][ T7161]  </TASK>
[  459.602624][ T7161] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  459.635978][ T7162] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  459.650732][ T7162] CPU: 1 PID: 7162 Comm: syz-executor.0 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  459.661992][ T7162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  459.672084][ T7162] Call Trace:
[  459.675398][ T7162]  <TASK>
[  459.678436][ T7162]  dump_stack_lvl+0x125/0x1b0
[  459.683170][ T7162]  sysfs_warn_dup+0x7f/0xa0
[  459.688762][ T7162]  sysfs_create_dir_ns+0x247/0x2a0
[  459.694078][ T7162]  ? sysfs_create_mount_point+0xb0/0xb0
[  459.700698][ T7162]  ? spin_bug+0x1c0/0x1c0
[  459.705192][ T7162]  ? net_namespace+0x12/0x40
[  459.709823][ T7162]  ? device_namespace+0x8d/0xc0
[  459.714735][ T7162]  kobject_add_internal+0x2c8/0x960
[  459.722005][ T7162]  kobject_add+0x16f/0x240
[  459.726559][ T7162]  ? kset_create_and_add+0x190/0x190
[  459.731969][ T7162]  ? do_raw_spin_unlock+0x172/0x230
[  459.737193][ T7162]  ? kobject_put+0xbe/0x440
[  459.741816][ T7162]  ? device_add+0xc35/0x1aa0
[  459.746454][ T7162]  device_add+0x289/0x1aa0
[  459.750998][ T7162]  ? device_initialize+0x510/0x510
[  459.756145][ T7162]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  459.762005][ T7162]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  459.770812][ T7162]  ? __init_waitqueue_head+0xca/0x150
[  459.776212][ T7162]  netdev_register_kobject+0x183/0x3f0
[  459.781713][ T7162]  register_netdevice+0xbdf/0x14a0
[  459.787063][ T7162]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  459.792984][ T7162]  ? validate_linkmsg+0x6fc/0x9c0
[  459.798041][ T7162]  ? rtnl_create_link+0xa6d/0xfd0
[  459.803111][ T7162]  ? batadv_get_sset_count+0x40/0x40
[  459.808531][ T7162]  batadv_softif_newlink+0x70/0x90
[  459.813884][ T7162]  __rtnl_newlink+0x1173/0x1930
[  459.818955][ T7162]  ? rtnl_link_unregister+0x260/0x260
[  459.824469][ T7162]  rtnl_newlink+0x67/0xa0
[  459.828831][ T7162]  ? __rtnl_newlink+0x1930/0x1930
[  459.833886][ T7162]  rtnetlink_rcv_msg+0x3c7/0xe00
[  459.839984][ T7162]  ? rtnl_getlink+0xb40/0xb40
[  459.844779][ T7162]  netlink_rcv_skb+0x16b/0x440
[  459.849597][ T7162]  ? rtnl_getlink+0xb40/0xb40
[  459.854306][ T7162]  ? netlink_ack+0x1370/0x1370
[  459.859199][ T7162]  ? netlink_deliver_tap+0x1a0/0xd00
[  459.864949][ T7162]  netlink_unicast+0x53b/0x810
[  459.869811][ T7162]  ? netlink_attachskb+0x870/0x870
[  459.874970][ T7162]  ? __phys_addr_symbol+0x30/0x70
[  459.880386][ T7162]  ? __check_object_size+0x322/0x730
[  459.885799][ T7162]  netlink_sendmsg+0x939/0xe40
[  459.890953][ T7162]  ? netlink_unicast+0x810/0x810
[  459.896323][ T7162]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  459.901723][ T7162]  ? netlink_unicast+0x810/0x810
[  459.907295][ T7162]  __sock_sendmsg+0xd5/0x180
[  459.912080][ T7162]  ____sys_sendmsg+0x6ac/0x940
[  459.917038][ T7162]  ? copy_msghdr_from_user+0x10b/0x160
[  459.922537][ T7162]  ? kernel_sendmsg+0x50/0x50
[  459.927398][ T7162]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  459.933489][ T7162]  ___sys_sendmsg+0x135/0x1d0
[  459.938329][ T7162]  ? do_recvmmsg+0x740/0x740
[  459.943060][ T7162]  ? find_held_lock+0x2d/0x110
[  459.948252][ T7162]  ? __fget_light+0xe4/0x260
[  459.953308][ T7162]  __sys_sendmsg+0x117/0x1e0
[  459.958567][ T7162]  ? __sys_sendmsg_sock+0x30/0x30
[  459.963700][ T7162]  ? restore_fpregs_from_fpstate+0xc1/0x1d0
[  459.970408][ T7162]  ? syscall_enter_from_user_mode+0x26/0x80
[  459.976925][ T7162]  do_syscall_64+0x3f/0x110
[  459.981733][ T7162]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  459.988532][ T7162] RIP: 0033:0x7f9b6867c859
[  459.992962][ T7162] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  460.013215][ T7162] RSP: 002b:00007f9b6949e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  460.021667][ T7162] RAX: ffffffffffffffda RBX: 00007f9b6879c050 RCX: 00007f9b6867c859
[  460.029960][ T7162] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  460.038048][ T7162] RBP: 00007f9b686d8ad0 R08: 0000000000000000 R09: 0000000000000000
[  460.046376][ T7162] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  460.054735][ T7162] R13: 000000000000006e R14: 00007f9b6879c050 R15: 00007ffe9332b738
[  460.063105][ T7162]  </TASK>
[  460.073719][ T7162] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  460.164979][ T7164] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
[  460.176432][ T7164] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  460.190019][ T7164] CPU: 0 PID: 7164 Comm: syz-executor.0 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  460.201354][ T7164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  460.211625][ T7164] Call Trace:
[  460.215056][ T7164]  <TASK>
[  460.218406][ T7164]  dump_stack_lvl+0x125/0x1b0
[  460.223317][ T7164]  sysfs_warn_dup+0x7f/0xa0
[  460.227943][ T7164]  sysfs_create_dir_ns+0x247/0x2a0
[  460.233168][ T7164]  ? sysfs_create_mount_point+0xb0/0xb0
[  460.238739][ T7164]  ? spin_bug+0x1c0/0x1c0
[  460.243276][ T7164]  ? net_namespace+0x12/0x40
[  460.247962][ T7164]  ? device_namespace+0x8d/0xc0
[  460.253017][ T7164]  kobject_add_internal+0x2c8/0x960
[  460.258274][ T7164]  kobject_add+0x16f/0x240
[  460.262994][ T7164]  ? kset_create_and_add+0x190/0x190
[  460.268333][ T7164]  ? do_raw_spin_unlock+0x172/0x230
[  460.273653][ T7164]  ? kobject_put+0xbe/0x440
[  460.278297][ T7164]  ? device_add+0xc35/0x1aa0
[  460.282907][ T7164]  device_add+0x289/0x1aa0
[  460.287348][ T7164]  ? device_initialize+0x510/0x510
[  460.292550][ T7164]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  460.298474][ T7164]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  460.305362][ T7164]  ? __init_waitqueue_head+0xca/0x150
[  460.311033][ T7164]  netdev_register_kobject+0x183/0x3f0
[  460.316535][ T7164]  register_netdevice+0xbdf/0x14a0
[  460.321753][ T7164]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  460.327755][ T7164]  ? team_nl_cmd_noop+0x280/0x280
[  460.333072][ T7164]  team_newlink+0x92/0x160
[  460.337502][ T7164]  ? team_nl_cmd_noop+0x280/0x280
[  460.342718][ T7164]  ? rtnl_create_link+0xa6d/0xfd0
[  460.347782][ T7164]  __rtnl_newlink+0x1173/0x1930
[  460.352829][ T7164]  ? rtnl_link_unregister+0x260/0x260
[  460.358239][ T7164]  rtnl_newlink+0x67/0xa0
[  460.362663][ T7164]  ? __rtnl_newlink+0x1930/0x1930
[  460.367702][ T7164]  rtnetlink_rcv_msg+0x3c7/0xe00
[  460.372835][ T7164]  ? rtnl_getlink+0xb40/0xb40
[  460.377877][ T7164]  netlink_rcv_skb+0x16b/0x440
[  460.382852][ T7164]  ? rtnl_getlink+0xb40/0xb40
[  460.387561][ T7164]  ? netlink_ack+0x1370/0x1370
[  460.392480][ T7164]  ? netlink_deliver_tap+0x1a0/0xd00
[  460.397933][ T7164]  netlink_unicast+0x53b/0x810
[  460.402834][ T7164]  ? netlink_attachskb+0x870/0x870
[  460.408336][ T7164]  ? __phys_addr_symbol+0x30/0x70
[  460.413520][ T7164]  ? __check_object_size+0x322/0x730
[  460.419042][ T7164]  netlink_sendmsg+0x939/0xe40
[  460.424299][ T7164]  ? netlink_unicast+0x810/0x810
[  460.429295][ T7164]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  460.434715][ T7164]  ? netlink_unicast+0x810/0x810
[  460.440832][ T7164]  __sock_sendmsg+0xd5/0x180
[  460.445747][ T7164]  ____sys_sendmsg+0x6ac/0x940
[  460.450553][ T7164]  ? copy_msghdr_from_user+0x10b/0x160
[  460.456203][ T7164]  ? kernel_sendmsg+0x50/0x50
[  460.461104][ T7164]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  460.468160][ T7164]  ___sys_sendmsg+0x135/0x1d0
[  460.472967][ T7164]  ? do_recvmmsg+0x740/0x740
[  460.477672][ T7164]  ? find_held_lock+0x2d/0x110
[  460.482577][ T7164]  ? __fget_light+0xe4/0x260
[  460.487276][ T7164]  __sys_sendmsg+0x117/0x1e0
[  460.492020][ T7164]  ? __sys_sendmsg_sock+0x30/0x30
[  460.497110][ T7164]  ? restore_fpregs_from_fpstate+0xc1/0x1d0
[  460.503060][ T7164]  ? syscall_enter_from_user_mode+0x26/0x80
[  460.508992][ T7164]  do_syscall_64+0x3f/0x110
[  460.513527][ T7164]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  460.519781][ T7164] RIP: 0033:0x7f9b6867c859
[  460.524482][ T7164] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  460.544713][ T7164] RSP: 002b:00007f9b694bf0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  460.553132][ T7164] RAX: ffffffffffffffda RBX: 00007f9b6879bf80 RCX: 00007f9b6867c859
[  460.561109][ T7164] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  460.569086][ T7164] RBP: 00007f9b686d8ad0 R08: 0000000000000000 R09: 0000000000000000
[  460.577062][ T7164] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  460.585124][ T7164] R13: 000000000000000b R14: 00007f9b6879bf80 R15: 00007ffe9332b738
[  460.593126][ T7164]  </TASK>
[  460.601708][ T7164] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  460.637572][ T7165] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  460.646971][ T7165] CPU: 1 PID: 7165 Comm: syz-executor.0 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  460.658209][ T7165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  460.668817][ T7165] Call Trace:
[  460.672116][ T7165]  <TASK>
[  460.675112][ T7165]  dump_stack_lvl+0x125/0x1b0
[  460.680073][ T7165]  sysfs_warn_dup+0x7f/0xa0
[  460.684955][ T7165]  sysfs_create_dir_ns+0x247/0x2a0
[  460.690101][ T7165]  ? sysfs_create_mount_point+0xb0/0xb0
[  460.695679][ T7165]  ? spin_bug+0x1c0/0x1c0
[  460.700052][ T7165]  ? net_namespace+0x12/0x40
[  460.704670][ T7165]  ? device_namespace+0x8d/0xc0
[  460.709562][ T7165]  kobject_add_internal+0x2c8/0x960
[  460.714986][ T7165]  kobject_add+0x16f/0x240
[  460.719439][ T7165]  ? kset_create_and_add+0x190/0x190
[  460.724768][ T7165]  ? do_raw_spin_unlock+0x172/0x230
[  460.730396][ T7165]  ? kobject_put+0xbe/0x440
[  460.735106][ T7165]  ? device_add+0xc35/0x1aa0
[  460.739715][ T7165]  device_add+0x289/0x1aa0
[  460.744402][ T7165]  ? device_initialize+0x510/0x510
[  460.749513][ T7165]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  460.755340][ T7165]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  460.762211][ T7165]  ? __init_waitqueue_head+0xca/0x150
[  460.767688][ T7165]  netdev_register_kobject+0x183/0x3f0
[  460.773164][ T7165]  register_netdevice+0xbdf/0x14a0
[  460.778377][ T7165]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  460.784520][ T7165]  ? validate_linkmsg+0x6fc/0x9c0
[  460.789563][ T7165]  ? rtnl_create_link+0xa6d/0xfd0
[  460.794620][ T7165]  ? batadv_get_sset_count+0x40/0x40
[  460.800011][ T7165]  batadv_softif_newlink+0x70/0x90
[  460.805140][ T7165]  __rtnl_newlink+0x1173/0x1930
[  460.810058][ T7165]  ? rtnl_link_unregister+0x260/0x260
[  460.815465][ T7165]  rtnl_newlink+0x67/0xa0
[  460.819891][ T7165]  ? __rtnl_newlink+0x1930/0x1930
[  460.825011][ T7165]  rtnetlink_rcv_msg+0x3c7/0xe00
[  460.829957][ T7165]  ? rtnl_getlink+0xb40/0xb40
[  460.834659][ T7165]  netlink_rcv_skb+0x16b/0x440
[  460.839442][ T7165]  ? rtnl_getlink+0xb40/0xb40
[  460.844125][ T7165]  ? netlink_ack+0x1370/0x1370
[  460.848931][ T7165]  ? netlink_deliver_tap+0x1a0/0xd00
[  460.854240][ T7165]  netlink_unicast+0x53b/0x810
[  460.859116][ T7165]  ? netlink_attachskb+0x870/0x870
[  460.864332][ T7165]  ? __phys_addr_symbol+0x30/0x70
[  460.869374][ T7165]  ? __check_object_size+0x322/0x730
[  460.874851][ T7165]  netlink_sendmsg+0x939/0xe40
[  460.879635][ T7165]  ? netlink_unicast+0x810/0x810
[  460.884587][ T7165]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  460.889978][ T7165]  ? netlink_unicast+0x810/0x810
[  460.894928][ T7165]  __sock_sendmsg+0xd5/0x180
[  460.899830][ T7165]  ____sys_sendmsg+0x6ac/0x940
[  460.904694][ T7165]  ? copy_msghdr_from_user+0x10b/0x160
[  460.910170][ T7165]  ? kernel_sendmsg+0x50/0x50
[  460.914870][ T7165]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  460.920989][ T7165]  ___sys_sendmsg+0x135/0x1d0
[  460.925713][ T7165]  ? do_recvmmsg+0x740/0x740
[  460.930321][ T7165]  ? find_held_lock+0x2d/0x110
[  460.935263][ T7165]  ? __fget_light+0xe4/0x260
[  460.939912][ T7165]  __sys_sendmsg+0x117/0x1e0
[  460.944821][ T7165]  ? __sys_sendmsg_sock+0x30/0x30
[  460.949882][ T7165]  ? restore_fpregs_from_fpstate+0xc1/0x1d0
[  460.955906][ T7165]  ? syscall_enter_from_user_mode+0x26/0x80
[  460.961905][ T7165]  do_syscall_64+0x3f/0x110
[  460.966514][ T7165]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  460.972419][ T7165] RIP: 0033:0x7f9b6867c859
[  460.976849][ T7165] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  460.996647][ T7165] RSP: 002b:00007f9b6949e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  461.005074][ T7165] RAX: ffffffffffffffda RBX: 00007f9b6879c050 RCX: 00007f9b6867c859
[  461.013141][ T7165] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  461.021133][ T7165] RBP: 00007f9b686d8ad0 R08: 0000000000000000 R09: 0000000000000000
[  461.029481][ T7165] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  461.037579][ T7165] R13: 000000000000006e R14: 00007f9b6879c050 R15: 00007ffe9332b738
[  461.045809][ T7165]  </TASK>
[  461.069758][ T7165] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  461.159320][ T7167] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
[  461.172057][ T7167] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  461.183206][ T7167] CPU: 1 PID: 7167 Comm: syz-executor.0 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  461.194614][ T7167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  461.204778][ T7167] Call Trace:
[  461.208094][ T7167]  <TASK>
[  461.211132][ T7167]  dump_stack_lvl+0x125/0x1b0
[  461.216373][ T7167]  sysfs_warn_dup+0x7f/0xa0
[  461.220996][ T7167]  sysfs_create_dir_ns+0x247/0x2a0
[  461.226139][ T7167]  ? sysfs_create_mount_point+0xb0/0xb0
[  461.231825][ T7167]  ? spin_bug+0x1c0/0x1c0
[  461.236210][ T7167]  ? net_namespace+0x12/0x40
[  461.240851][ T7167]  ? device_namespace+0x8d/0xc0
[  461.245747][ T7167]  kobject_add_internal+0x2c8/0x960
[  461.251059][ T7167]  kobject_add+0x16f/0x240
[  461.255653][ T7167]  ? kset_create_and_add+0x190/0x190
[  461.261084][ T7167]  ? do_raw_spin_unlock+0x172/0x230
[  461.266803][ T7167]  ? kobject_put+0xbe/0x440
[  461.271955][ T7167]  ? device_add+0xc35/0x1aa0
[  461.276677][ T7167]  device_add+0x289/0x1aa0
[  461.281319][ T7167]  ? device_initialize+0x510/0x510
[  461.286626][ T7167]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  461.292549][ T7167]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  461.299605][ T7167]  ? __init_waitqueue_head+0xca/0x150
[  461.305017][ T7167]  netdev_register_kobject+0x183/0x3f0
[  461.310511][ T7167]  register_netdevice+0xbdf/0x14a0
[  461.315660][ T7167]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  461.321599][ T7167]  ? team_nl_cmd_noop+0x280/0x280
[  461.326659][ T7167]  team_newlink+0x92/0x160
[  461.331109][ T7167]  ? team_nl_cmd_noop+0x280/0x280
[  461.336169][ T7167]  ? rtnl_create_link+0xa6d/0xfd0
[  461.341246][ T7167]  __rtnl_newlink+0x1173/0x1930
[  461.346145][ T7167]  ? rtnl_link_unregister+0x260/0x260
[  461.351618][ T7167]  rtnl_newlink+0x67/0xa0
[  461.356140][ T7167]  ? __rtnl_newlink+0x1930/0x1930
[  461.361196][ T7167]  rtnetlink_rcv_msg+0x3c7/0xe00
[  461.366182][ T7167]  ? rtnl_getlink+0xb40/0xb40
[  461.370898][ T7167]  netlink_rcv_skb+0x16b/0x440
[  461.375687][ T7167]  ? rtnl_getlink+0xb40/0xb40
[  461.380384][ T7167]  ? netlink_ack+0x1370/0x1370
[  461.385372][ T7167]  ? netlink_deliver_tap+0x1a0/0xd00
[  461.390694][ T7167]  netlink_unicast+0x53b/0x810
[  461.395593][ T7167]  ? netlink_attachskb+0x870/0x870
[  461.400750][ T7167]  ? __phys_addr_symbol+0x30/0x70
[  461.405822][ T7167]  ? __check_object_size+0x322/0x730
[  461.411164][ T7167]  netlink_sendmsg+0x939/0xe40
[  461.415994][ T7167]  ? netlink_unicast+0x810/0x810
[  461.421057][ T7167]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  461.426458][ T7167]  ? netlink_unicast+0x810/0x810
[  461.431512][ T7167]  __sock_sendmsg+0xd5/0x180
[  461.436132][ T7167]  ____sys_sendmsg+0x6ac/0x940
[  461.440935][ T7167]  ? copy_msghdr_from_user+0x10b/0x160
[  461.446598][ T7167]  ? kernel_sendmsg+0x50/0x50
[  461.451396][ T7167]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  461.457422][ T7167]  ___sys_sendmsg+0x135/0x1d0
[  461.462578][ T7167]  ? do_recvmmsg+0x740/0x740
[  461.467191][ T7167]  ? find_held_lock+0x2d/0x110
[  461.472101][ T7167]  ? __fget_light+0xe4/0x260
[  461.476736][ T7167]  __sys_sendmsg+0x117/0x1e0
[  461.481374][ T7167]  ? __sys_sendmsg_sock+0x30/0x30
[  461.486466][ T7167]  ? restore_fpregs_from_fpstate+0xc1/0x1d0
[  461.492687][ T7167]  ? syscall_enter_from_user_mode+0x26/0x80
[  461.498840][ T7167]  do_syscall_64+0x3f/0x110
[  461.503475][ T7167]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  461.509566][ T7167] RIP: 0033:0x7f9b6867c859
[  461.514020][ T7167] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  461.533995][ T7167] RSP: 002b:00007f9b694bf0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  461.542540][ T7167] RAX: ffffffffffffffda RBX: 00007f9b6879bf80 RCX: 00007f9b6867c859
[  461.550633][ T7167] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  461.558638][ T7167] RBP: 00007f9b686d8ad0 R08: 0000000000000000 R09: 0000000000000000
[  461.566631][ T7167] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  461.574794][ T7167] R13: 000000000000000b R14: 00007f9b6879bf80 R15: 00007ffe9332b738
[  461.582818][ T7167]  </TASK>
[  461.592090][ T7167] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  461.619007][ T7168] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  461.631789][ T7168] CPU: 1 PID: 7168 Comm: syz-executor.0 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  461.643030][ T7168] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  461.653119][ T7168] Call Trace:
[  461.656419][ T7168]  <TASK>
[  461.659368][ T7168]  dump_stack_lvl+0x125/0x1b0
[  461.664086][ T7168]  sysfs_warn_dup+0x7f/0xa0
[  461.668615][ T7168]  sysfs_create_dir_ns+0x247/0x2a0
[  461.673932][ T7168]  ? sysfs_create_mount_point+0xb0/0xb0
[  461.680212][ T7168]  ? spin_bug+0x1c0/0x1c0
[  461.684580][ T7168]  ? net_namespace+0x12/0x40
[  461.689281][ T7168]  ? device_namespace+0x8d/0xc0
[  461.694168][ T7168]  kobject_add_internal+0x2c8/0x960
[  461.699563][ T7168]  kobject_add+0x16f/0x240
[  461.704171][ T7168]  ? kset_create_and_add+0x190/0x190
[  461.709472][ T7168]  ? do_raw_spin_unlock+0x172/0x230
[  461.714871][ T7168]  ? kobject_put+0xbe/0x440
[  461.719398][ T7168]  ? device_add+0xc35/0x1aa0
[  461.724004][ T7168]  device_add+0x289/0x1aa0
[  461.728434][ T7168]  ? device_initialize+0x510/0x510
[  461.733550][ T7168]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  461.739453][ T7168]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  461.746334][ T7168]  ? __init_waitqueue_head+0xca/0x150
[  461.751722][ T7168]  netdev_register_kobject+0x183/0x3f0
[  461.757199][ T7168]  register_netdevice+0xbdf/0x14a0
[  461.762336][ T7168]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  461.768236][ T7168]  ? validate_linkmsg+0x6fc/0x9c0
[  461.773273][ T7168]  ? rtnl_create_link+0xa6d/0xfd0
[  461.778321][ T7168]  ? batadv_get_sset_count+0x40/0x40
[  461.783620][ T7168]  batadv_softif_newlink+0x70/0x90
[  461.788757][ T7168]  __rtnl_newlink+0x1173/0x1930
[  461.793626][ T7168]  ? rtnl_link_unregister+0x260/0x260
[  461.799031][ T7168]  rtnl_newlink+0x67/0xa0
[  461.803364][ T7168]  ? __rtnl_newlink+0x1930/0x1930
[  461.808395][ T7168]  rtnetlink_rcv_msg+0x3c7/0xe00
[  461.813352][ T7168]  ? rtnl_getlink+0xb40/0xb40
[  461.818047][ T7168]  netlink_rcv_skb+0x16b/0x440
[  461.822825][ T7168]  ? rtnl_getlink+0xb40/0xb40
[  461.827516][ T7168]  ? netlink_ack+0x1370/0x1370
[  461.832482][ T7168]  ? netlink_deliver_tap+0x1a0/0xd00
[  461.837963][ T7168]  netlink_unicast+0x53b/0x810
[  461.842760][ T7168]  ? netlink_attachskb+0x870/0x870
[  461.847891][ T7168]  ? __phys_addr_symbol+0x30/0x70
[  461.852921][ T7168]  ? __check_object_size+0x322/0x730
[  461.858215][ T7168]  netlink_sendmsg+0x939/0xe40
[  461.862997][ T7168]  ? netlink_unicast+0x810/0x810
[  461.867961][ T7168]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  461.873260][ T7168]  ? netlink_unicast+0x810/0x810
[  461.878211][ T7168]  __sock_sendmsg+0xd5/0x180
[  461.883016][ T7168]  ____sys_sendmsg+0x6ac/0x940
[  461.887901][ T7168]  ? copy_msghdr_from_user+0x10b/0x160
[  461.893382][ T7168]  ? kernel_sendmsg+0x50/0x50
[  461.898196][ T7168]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  461.904199][ T7168]  ___sys_sendmsg+0x135/0x1d0
[  461.908888][ T7168]  ? do_recvmmsg+0x740/0x740
[  461.913487][ T7168]  ? find_held_lock+0x2d/0x110
[  461.918300][ T7168]  ? __fget_light+0xe4/0x260
[  461.922908][ T7168]  __sys_sendmsg+0x117/0x1e0
[  461.927603][ T7168]  ? __sys_sendmsg_sock+0x30/0x30
[  461.932639][ T7168]  ? restore_fpregs_from_fpstate+0xc1/0x1d0
[  461.938570][ T7168]  ? syscall_enter_from_user_mode+0x26/0x80
[  461.944769][ T7168]  do_syscall_64+0x3f/0x110
[  461.949655][ T7168]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  461.955826][ T7168] RIP: 0033:0x7f9b6867c859
[  461.960256][ T7168] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  461.979956][ T7168] RSP: 002b:00007f9b6949e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  461.988692][ T7168] RAX: ffffffffffffffda RBX: 00007f9b6879c050 RCX: 00007f9b6867c859
[  461.996979][ T7168] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  462.005343][ T7168] RBP: 00007f9b686d8ad0 R08: 0000000000000000 R09: 0000000000000000
[  462.013401][ T7168] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  462.021655][ T7168] R13: 000000000000006e R14: 00007f9b6879c050 R15: 00007ffe9332b738
[  462.030056][ T7168]  </TASK>
[  462.048676][ T7168] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  462.376983][ T2469] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  462.532437][ T2469] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  462.705644][ T2469] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  462.798790][ T2469] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  463.984301][ T2469] hsr_slave_0: left promiscuous mode
[  464.002419][ T2469] hsr_slave_1: left promiscuous mode
[  464.021876][ T2469] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[  464.029495][ T2469] batman_adv: batadv0: Removing interface: batadv_slave_0
[  464.059711][ T2469] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[  464.081704][ T2469] batman_adv: batadv0: Removing interface: batadv_slave_1
[  464.094310][ T2469] batadv1: left allmulticast mode
[  464.099504][ T2469] batadv1: left promiscuous mode
[  464.112534][ T2469] bridge0: port 3(batadv1) entered disabled state
[  464.123655][ T2469] bridge_slave_1: left allmulticast mode
[  464.129470][ T2469] bridge_slave_1: left promiscuous mode
[  464.135452][ T2469] bridge0: port 2(bridge_slave_1) entered disabled state
[  464.145855][ T2469] bridge_slave_0: left allmulticast mode
[  464.151791][ T2469] bridge_slave_0: left promiscuous mode
[  464.157688][ T2469] bridge0: port 1(bridge_slave_0) entered disabled state
[  464.200248][ T2469] veth1_macvtap: left promiscuous mode
[  464.206202][ T2469] veth0_macvtap: left promiscuous mode
[  464.224857][ T2469] veth1_vlan: left promiscuous mode
[  464.230319][ T2469] veth0_vlan: left promiscuous mode
[  464.326367][ T1046] batman_adv: batadv1: adding TT local entry 33:33:00:00:00:01 to non-existent VLAN -1
[  464.966147][ T2469] team98 (unregistering): Port device batadv100000000 removed
[  464.996685][  T133] batman_adv: batadv1: adding TT local entry 33:33:00:00:00:01 to non-existent VLAN -1
[  465.010794][ T2469] team97 (unregistering): Port device batadv99 removed
[  465.054603][ T2469] team96 (unregistering): Port device batadv98 removed
[  465.094905][ T2469] team95 (unregistering): Port device batadv97 removed
[  465.135018][ T2469] team94 (unregistering): Port device batadv96 removed
[  465.178733][ T2469] team93 (unregistering): Port device batadv95 removed
[  465.222167][ T2469] team92 (unregistering): Port device batadv94 removed
[  465.261248][ T2469] team91 (unregistering): Port device batadv93 removed
[  465.314153][ T2469] team90 (unregistering): Port device batadv92 removed
[  465.354335][ T2469] team89 (unregistering): Port device batadv91 removed
[  465.395133][ T2469] team88 (unregistering): Port device batadv90 removed
[  465.437513][ T2469] team87 (unregistering): Port device batadv89 removed
[  465.477950][ T2469] team86 (unregistering): Port device batadv88 removed
[  465.518282][ T2469] team85 (unregistering): Port device batadv87 removed
[  465.558773][ T2469] team84 (unregistering): Port device batadv86 removed
[  465.613943][ T2469] team83 (unregistering): Port device batadv85 removed
[  465.632654][  T133] batman_adv: batadv1: adding TT local entry 33:33:00:00:00:01 to non-existent VLAN -1
[  465.660111][ T2469] team82 (unregistering): Port device batadv84 removed
[  465.703687][ T2469] team81 (unregistering): Port device batadv83 removed
[  465.742399][ T2469] team80 (unregistering): Port device batadv82 removed
[  465.783650][ T2469] team79 (unregistering): Port device batadv81 removed
[  465.833008][ T2469] team78 (unregistering): Port device batadv80 removed
[  465.876003][ T2469] team77 (unregistering): Port device batadv79 removed
[  465.916144][ T2469] team76 (unregistering): Port device batadv78 removed
[  465.956281][ T2469] team75 (unregistering): Port device batadv77 removed
[  465.997386][ T2469] team74 (unregistering): Port device batadv76 removed
[  466.040219][ T2469] team73 (unregistering): Port device batadv75 removed
[  466.078384][ T2469] team72 (unregistering): Port device batadv74 removed
[  466.116782][ T2469] team71 (unregistering): Port device batadv73 removed
[  466.154156][ T2469] team70 (unregistering): Port device batadv72 removed
[  466.191327][ T2469] team69 (unregistering): Port device batadv71 removed
[  466.230687][ T2469] team68 (unregistering): Port device batadv70 removed
[  466.268315][ T2469] team67 (unregistering): Port device batadv69 removed
[  466.307339][  T133] batman_adv: batadv1: adding TT local entry 33:33:00:00:00:01 to non-existent VLAN -1
[  466.327203][ T2469] team66 (unregistering): Port device batadv68 removed
[  466.363204][ T2469] team65 (unregistering): Port device batadv67 removed
[  466.398983][ T2469] team64 (unregistering): Port device batadv66 removed
[  466.436384][ T2469] team63 (unregistering): Port device batadv65 removed
[  466.475964][ T2469] team62 (unregistering): Port device batadv64 removed
[  466.518619][ T2469] team61 (unregistering): Port device batadv63 removed
[  466.558030][ T2469] team60 (unregistering): Port device batadv62 removed
[  466.596376][ T2469] team59 (unregistering): Port device batadv61 removed
[  466.633890][ T2469] team58 (unregistering): Port device batadv60 removed
[  466.670417][ T2469] team57 (unregistering): Port device batadv59 removed
[  466.707174][ T2469] team56 (unregistering): Port device batadv58 removed
[  466.744815][ T2469] team55 (unregistering): Port device batadv57 removed
[  466.781035][ T2469] team54 (unregistering): Port device batadv56 removed
[  466.818815][ T2469] team53 (unregistering): Port device batadv55 removed
[  466.857038][ T2469] team52 (unregistering): Port device batadv54 removed
[  466.896547][ T2469] team51 (unregistering): Port device batadv53 removed
[  466.934189][ T2469] team50 (unregistering): Port device batadv52 removed
[  466.970050][ T2469] team49 (unregistering): Port device batadv51 removed
[  466.998759][ T1046] batman_adv: batadv1: adding TT local entry 33:33:00:00:00:01 to non-existent VLAN -1
[  467.009968][ T2469] team48 (unregistering): Port device batadv50 removed
[  467.049069][ T2469] team47 (unregistering): Port device batadv49 removed
[  467.086783][ T2469] team46 (unregistering): Port device batadv48 removed
[  467.137244][ T2469] team45 (unregistering): Port device batadv47 removed
[  467.176470][ T2469] team44 (unregistering): Port device batadv46 removed
[  467.216805][ T2469] team43 (unregistering): Port device batadv45 removed
[  467.270214][ T2469] team42 (unregistering): Port device batadv44 removed
[  467.310150][ T2469] team41 (unregistering): Port device batadv43 removed
[  467.347644][ T2469] team40 (unregistering): Port device batadv42 removed
[  467.389165][ T2469] team39 (unregistering): Port device batadv41 removed
[  467.431922][ T2469] team38 (unregistering): Port device batadv40 removed
[  467.471326][ T2469] team37 (unregistering): Port device batadv39 removed
[  467.511662][ T2469] team36 (unregistering): Port device batadv38 removed
[  467.551166][ T2469] team35 (unregistering): Port device batadv37 removed
[  467.595921][ T2469] team34 (unregistering): Port device batadv36 removed
[  467.631145][  T133] batman_adv: batadv1: adding TT local entry 33:33:00:00:00:01 to non-existent VLAN -1
[  467.644311][ T2469] team33 (unregistering): Port device batadv35 removed
[  467.684189][ T2469] team32 (unregistering): Port device batadv34 removed
[  467.723101][ T2469] team31 (unregistering): Port device batadv33 removed
[  467.761948][ T2469] team30 (unregistering): Port device batadv32 removed
[  467.803330][ T2469] team29 (unregistering): Port device batadv31 removed
[  467.840915][ T2469] team28 (unregistering): Port device batadv30 removed
[  467.878699][ T2469] team27 (unregistering): Port device batadv29 removed
[  467.916791][ T2469] team26 (unregistering): Port device batadv28 removed
[  467.956617][ T2469] team25 (unregistering): Port device batadv27 removed
[  467.995293][ T2469] team24 (unregistering): Port device batadv26 removed
[  468.046475][ T2469] team23 (unregistering): Port device batadv25 removed
[  468.085465][ T2469] team22 (unregistering): Port device batadv24 removed
[  468.124591][ T2469] team21 (unregistering): Port device batadv23 removed
[  468.163717][ T2469] team20 (unregistering): Port device batadv22 removed
[  468.204399][ T2469] team19 (unregistering): Port device batadv21 removed
[  468.242555][ T2469] team18 (unregistering): Port device batadv20 removed
[  468.280848][ T2469] team17 (unregistering): Port device batadv19 removed
[  468.288283][  T133] batman_adv: batadv1: adding TT local entry 33:33:00:00:00:01 to non-existent VLAN -1
[  468.328065][ T2469] team16 (unregistering): Port device batadv18 removed
[  468.365861][ T2469] team15 (unregistering): Port device batadv17 removed
[  468.412965][ T2469] team14 (unregistering): Port device batadv16 removed
[  468.450290][ T2469] team13 (unregistering): Port device batadv15 removed
[  468.491393][ T2469] team12 (unregistering): Port device batadv14 removed
[  468.530097][ T2469] team11 (unregistering): Port device batadv13 removed
[  468.568209][ T2469] team10 (unregistering): Port device batadv12 removed
[  468.606732][ T2469] team9 (unregistering): Port device batadv11 removed
[  468.644782][ T2469] team8 (unregistering): Port device batadv10 removed
[  468.686410][ T2469] team7 (unregistering): Port device batadv9 removed
[  468.724744][ T2469] team6 (unregistering): Port device batadv8 removed
[  468.761295][ T2469] team5 (unregistering): Port device batadv7 removed
[  468.800109][ T2469] team4 (unregistering): Port device batadv6 removed
[  468.840624][ T2469] team3 (unregistering): Port device batadv5 removed
[  468.878055][ T2469] team2 (unregistering): Port device batadv4 removed
[  468.914919][ T2469] team1 (unregistering): Port device batadv3 removed
[  468.949047][ T2469] bond0 (unregistering): (slave batadv2): Releasing backup interface
[  468.957695][ T1046] batman_adv: batadv1: adding TT local entry 33:33:00:00:00:01 to non-existent VLAN -1
[  469.158116][ T2469] team0 (unregistering): Port device team_slave_1 removed
[  469.183683][ T2469] team0 (unregistering): Port device team_slave_0 removed
[  469.203940][ T2469] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[  469.226141][ T2469] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[  469.387818][ T2469] bond0 (unregistering): Released all slaves
Warning: Permanently added '10.128.0.251' (ED25519) to the list of known hosts.
[  470.193656][ T7221] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  470.339781][ T7221] 8021q: adding VLAN 0 to HW filter on device batadv0
[  470.359699][ T7221] team0: Port device batadv0 added
[  470.395933][ T7228] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  470.633540][ T7228] 8021q: adding VLAN 0 to HW filter on device batadv1
[  470.644129][ T7228] team1: Port device batadv1 added
[  470.667729][ T7232] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  470.851760][ T7232] 8021q: adding VLAN 0 to HW filter on device batadv2
[  470.880297][ T7232] team2: Port device batadv2 added
[  470.904423][ T7237] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  471.093462][ T7237] 8021q: adding VLAN 0 to HW filter on device batadv3
[  471.121176][ T7237] team3: Port device batadv3 added
[  471.154139][ T7242] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  471.375704][ T7242] 8021q: adding VLAN 0 to HW filter on device batadv4
[  471.386378][ T7242] team4: Port device batadv4 added
[  471.412922][ T7248] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  471.580617][ T7248] 8021q: adding VLAN 0 to HW filter on device batadv5
[  471.596959][ T7248] team5: Port device batadv5 added
[  471.634982][ T7250] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  471.774746][ T7250] 8021q: adding VLAN 0 to HW filter on device batadv6
[  471.801036][ T7250] team6: Port device batadv6 added
[  471.828700][ T7251] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  471.967718][ T7251] 8021q: adding VLAN 0 to HW filter on device batadv7
[  471.983610][ T7251] team7: Port device batadv7 added
[  472.003911][ T7252] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  472.166489][ T7252] 8021q: adding VLAN 0 to HW filter on device batadv8
[  472.181675][ T7252] team8: Port device batadv8 added
[  472.198305][ T7253] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  472.361117][ T7253] 8021q: adding VLAN 0 to HW filter on device batadv9
[  472.372198][ T7253] team9: Port device batadv9 added
[  472.540854][ T7254] 8021q: adding VLAN 0 to HW filter on device batadv10
[  472.565647][ T7254] team10: Port device batadv10 added
[  472.692296][ T7255] 8021q: adding VLAN 0 to HW filter on device batadv11
[  472.709374][ T7255] team11: Port device batadv11 added
[  472.849515][ T7256] 8021q: adding VLAN 0 to HW filter on device batadv12
[  472.862766][ T7256] team12: Port device batadv12 added
[  473.017526][ T7257] 8021q: adding VLAN 0 to HW filter on device batadv13
[  473.030987][ T7257] team13: Port device batadv13 added
[  473.198581][ T7258] 8021q: adding VLAN 0 to HW filter on device batadv14
[  473.209066][ T7258] team14: Port device batadv14 added
[  473.355531][ T7259] 8021q: adding VLAN 0 to HW filter on device batadv15
[  473.374126][ T7259] team15: Port device batadv15 added
[  473.562331][ T7260] 8021q: adding VLAN 0 to HW filter on device batadv16
[  473.574765][ T7260] team16: Port device batadv16 added
[  473.727802][ T7261] 8021q: adding VLAN 0 to HW filter on device batadv17
[  473.746210][ T7261] team17: Port device batadv17 added
[  473.899172][ T7262] 8021q: adding VLAN 0 to HW filter on device batadv18
[  473.911060][ T7262] team18: Port device batadv18 added
[  474.080789][ T7263] 8021q: adding VLAN 0 to HW filter on device batadv19
[  474.095088][ T7263] team19: Port device batadv19 added
[  474.264557][ T7264] 8021q: adding VLAN 0 to HW filter on device batadv20
[  474.279637][ T7264] team20: Port device batadv20 added
[  474.445474][ T7265] 8021q: adding VLAN 0 to HW filter on device batadv21
[  474.460907][ T7265] team21: Port device batadv21 added
[  474.652212][ T7266] 8021q: adding VLAN 0 to HW filter on device batadv22
[  474.665777][ T7266] team22: Port device batadv22 added
[  474.816826][ T7267] 8021q: adding VLAN 0 to HW filter on device batadv23
[  474.827737][ T7267] team23: Port device batadv23 added
[  475.009910][ T7268] 8021q: adding VLAN 0 to HW filter on device batadv24
[  475.023351][ T7268] team24: Port device batadv24 added
[  475.187104][ T7269] 8021q: adding VLAN 0 to HW filter on device batadv25
[  475.199097][ T7269] team25: Port device batadv25 added
[  475.213871][ T7270] __nla_validate_parse: 16 callbacks suppressed
[  475.213889][ T7270] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  475.351368][ T7270] 8021q: adding VLAN 0 to HW filter on device batadv26
[  475.363597][ T7270] team26: Port device batadv26 added
[  475.383734][ T7271] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  475.487222][ T7271] 8021q: adding VLAN 0 to HW filter on device batadv27
[  475.504000][ T7271] team27: Port device batadv27 added
[  475.544454][ T7272] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  475.721145][ T7272] 8021q: adding VLAN 0 to HW filter on device batadv28
[  475.730994][ T7272] team28: Port device batadv28 added
[  475.745141][ T7273] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  475.909152][ T7273] 8021q: adding VLAN 0 to HW filter on device batadv29
[  475.919586][ T7273] team29: Port device batadv29 added
[  475.937845][ T7274] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  476.099514][ T7274] 8021q: adding VLAN 0 to HW filter on device batadv30
[  476.114601][ T7274] team30: Port device batadv30 added
[  476.135254][ T7276] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  476.324740][ T7276] 8021q: adding VLAN 0 to HW filter on device batadv31
[  476.336126][ T7276] team31: Port device batadv31 added
[  476.356475][ T7277] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  476.549946][ T7277] 8021q: adding VLAN 0 to HW filter on device batadv32
[  476.570905][ T7277] team32: Port device batadv32 added
[  476.595922][ T7278] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  476.788659][ T7278] 8021q: adding VLAN 0 to HW filter on device batadv33
[  476.808988][ T7278] team33: Port device batadv33 added
[  476.833592][ T7279] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  477.022852][ T7279] 8021q: adding VLAN 0 to HW filter on device batadv34
[  477.045627][ T7279] team34: Port device batadv34 added
[  477.069632][ T7280] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  477.249695][ T7280] 8021q: adding VLAN 0 to HW filter on device batadv35
[  477.266613][ T7280] team35: Port device batadv35 added
[  477.455286][ T7281] 8021q: adding VLAN 0 to HW filter on device batadv36
[  477.475727][ T7281] team36: Port device batadv36 added
[  477.673087][ T7282] 8021q: adding VLAN 0 to HW filter on device batadv37
[  477.695564][ T7282] team37: Port device batadv37 added
[  477.877833][ T7283] 8021q: adding VLAN 0 to HW filter on device batadv38
[  477.898557][ T7283] team38: Port device batadv38 added
[  478.105419][ T7284] 8021q: adding VLAN 0 to HW filter on device batadv39
[  478.126135][ T7284] team39: Port device batadv39 added
[  478.303117][ T7285] 8021q: adding VLAN 0 to HW filter on device batadv40
[  478.314213][ T7285] team40: Port device batadv40 added
[  478.487011][ T7286] 8021q: adding VLAN 0 to HW filter on device batadv41
[  478.501991][ T7286] team41: Port device batadv41 added
[  478.690080][ T7287] 8021q: adding VLAN 0 to HW filter on device batadv42
[  478.701189][ T7287] team42: Port device batadv42 added
[  478.834402][ T7288] 8021q: adding VLAN 0 to HW filter on device batadv43
[  478.844171][ T7288] team43: Port device batadv43 added
[  478.999275][ T7289] 8021q: adding VLAN 0 to HW filter on device batadv44
[  479.010612][ T7289] team44: Port device batadv44 added
[  479.168264][ T7290] 8021q: adding VLAN 0 to HW filter on device batadv45
[  479.178506][ T7290] team45: Port device batadv45 added
[  479.351346][ T7291] 8021q: adding VLAN 0 to HW filter on device batadv46
[  479.364665][ T7291] team46: Port device batadv46 added
[  479.522917][ T7292] 8021q: adding VLAN 0 to HW filter on device batadv47
[  479.537993][ T7292] team47: Port device batadv47 added
[  479.687653][ T7293] 8021q: adding VLAN 0 to HW filter on device batadv48
[  479.697735][ T7293] team48: Port device batadv48 added
[  479.840563][ T7294] 8021q: adding VLAN 0 to HW filter on device batadv49
[  479.855685][ T7294] team49: Port device batadv49 added
[  479.996152][ T7295] 8021q: adding VLAN 0 to HW filter on device batadv50
[  480.006106][ T7295] team50: Port device batadv50 added
[  480.149380][ T7296] 8021q: adding VLAN 0 to HW filter on device batadv51
[  480.161945][ T7296] team51: Port device batadv51 added
[  480.312649][ T7297] 8021q: adding VLAN 0 to HW filter on device batadv52
[  480.323368][ T7297] team52: Port device batadv52 added
[  480.345535][ T7298] __nla_validate_parse: 17 callbacks suppressed
[  480.345557][ T7298] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  480.514647][ T7298] 8021q: adding VLAN 0 to HW filter on device batadv53
[  480.524998][ T7298] team53: Port device batadv53 added
[  480.540894][ T7299] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  480.705656][ T7299] 8021q: adding VLAN 0 to HW filter on device batadv54
[  480.719968][ T7299] team54: Port device batadv54 added
[  480.735768][ T7300] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  480.860293][ T7300] 8021q: adding VLAN 0 to HW filter on device batadv55
[  480.881248][ T7300] team55: Port device batadv55 added
[  480.897519][ T7301] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  481.037590][ T7301] 8021q: adding VLAN 0 to HW filter on device batadv56
[  481.050442][ T7301] team56: Port device batadv56 added
[  481.067573][ T7302] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  481.210516][ T7302] 8021q: adding VLAN 0 to HW filter on device batadv57
[  481.229046][ T7302] team57: Port device batadv57 added
[  481.245752][ T7303] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  481.366308][ T7303] 8021q: adding VLAN 0 to HW filter on device batadv58
[  481.379655][ T7303] team58: Port device batadv58 added
[  481.403922][ T7304] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  481.569722][ T7304] 8021q: adding VLAN 0 to HW filter on device batadv59
[  481.580177][ T7304] team59: Port device batadv59 added
[  481.598264][ T7305] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  481.730709][ T7305] 8021q: adding VLAN 0 to HW filter on device batadv60
[  481.745979][ T7305] team60: Port device batadv60 added
[  481.774164][ T7306] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  481.916419][ T7306] 8021q: adding VLAN 0 to HW filter on device batadv61
[  481.927974][ T7306] team61: Port device batadv61 added
[  481.952808][ T7307] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  482.137732][ T7307] 8021q: adding VLAN 0 to HW filter on device batadv62
[  482.148916][ T7307] team62: Port device batadv62 added
[  482.292425][ T7308] 8021q: adding VLAN 0 to HW filter on device batadv63
[  482.302510][ T7308] team63: Port device batadv63 added
[  482.480094][ T7309] 8021q: adding VLAN 0 to HW filter on device batadv64
[  482.493216][ T7309] team64: Port device batadv64 added
[  482.667501][ T7310] 8021q: adding VLAN 0 to HW filter on device batadv65
[  482.684360][ T7310] team65: Port device batadv65 added
[  482.836402][ T7311] 8021q: adding VLAN 0 to HW filter on device batadv66
[  482.849587][ T7311] team66: Port device batadv66 added
[  482.979457][ T7312] 8021q: adding VLAN 0 to HW filter on device batadv67
[  482.989453][ T7312] team67: Port device batadv67 added
[  483.136609][ T7313] 8021q: adding VLAN 0 to HW filter on device batadv68
[  483.147021][ T7313] team68: Port device batadv68 added
[  483.314458][ T7314] 8021q: adding VLAN 0 to HW filter on device batadv69
[  483.325565][ T7314] team69: Port device batadv69 added
[  483.479672][ T7315] 8021q: adding VLAN 0 to HW filter on device batadv70
[  483.490966][ T7315] team70: Port device batadv70 added
[  483.646207][ T7316] 8021q: adding VLAN 0 to HW filter on device batadv71
[  483.658156][ T7316] team71: Port device batadv71 added
[  483.807929][ T7317] 8021q: adding VLAN 0 to HW filter on device batadv72
[  483.819617][ T7317] team72: Port device batadv72 added
[  483.978541][ T7318] 8021q: adding VLAN 0 to HW filter on device batadv73
[  483.989878][ T7318] team73: Port device batadv73 added
[  484.147319][ T7319] 8021q: adding VLAN 0 to HW filter on device batadv74
[  484.158337][ T7319] team74: Port device batadv74 added
[  484.313771][ T7320] 8021q: adding VLAN 0 to HW filter on device batadv75
[  484.326856][ T7320] team75: Port device batadv75 added
[  484.479768][ T7321] 8021q: adding VLAN 0 to HW filter on device batadv76
[  484.489490][ T7321] team76: Port device batadv76 added
[  484.650827][ T7322] 8021q: adding VLAN 0 to HW filter on device batadv77
[  484.665064][ T7322] team77: Port device batadv77 added
[  484.811744][ T7323] 8021q: adding VLAN 0 to HW filter on device batadv78
[  484.823505][ T7323] team78: Port device batadv78 added
[  484.980763][ T7324] 8021q: adding VLAN 0 to HW filter on device batadv79
[  484.996017][ T7324] team79: Port device batadv79 added
[  485.158855][ T7325] 8021q: adding VLAN 0 to HW filter on device batadv80
[  485.172906][ T7325] team80: Port device batadv80 added
[  485.319988][ T7326] 8021q: adding VLAN 0 to HW filter on device batadv81
[  485.332984][ T7326] team81: Port device batadv81 added
[  485.354004][ T7327] __nla_validate_parse: 19 callbacks suppressed
[  485.354026][ T7327] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  485.499746][ T7327] 8021q: adding VLAN 0 to HW filter on device batadv82
[  485.516545][ T7327] team82: Port device batadv82 added
[  485.534230][ T7328] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  485.675669][ T7328] 8021q: adding VLAN 0 to HW filter on device batadv83
[  485.687329][ T7328] team83: Port device batadv83 added
[  485.722381][ T7329] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  485.870219][ T7329] 8021q: adding VLAN 0 to HW filter on device batadv84
[  485.880134][ T7329] team84: Port device batadv84 added
[  485.911870][ T7330] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  486.068935][ T7330] 8021q: adding VLAN 0 to HW filter on device batadv85
[  486.085694][ T7330] team85: Port device batadv85 added
[  486.115312][ T7331] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  486.279144][ T7331] 8021q: adding VLAN 0 to HW filter on device batadv86
[  486.291266][ T7331] team86: Port device batadv86 added
[  486.310755][ T7332] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  486.452355][ T7332] 8021q: adding VLAN 0 to HW filter on device batadv87
[  486.462635][ T7332] team87: Port device batadv87 added
[  486.484112][ T7333] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  486.655541][ T7333] 8021q: adding VLAN 0 to HW filter on device batadv88
[  486.666275][ T7333] team88: Port device batadv88 added
[  486.694803][ T7334] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  486.820389][ T7334] 8021q: adding VLAN 0 to HW filter on device batadv89
[  486.836030][ T7334] team89: Port device batadv89 added
[  486.851328][ T7335] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  486.985202][ T7335] 8021q: adding VLAN 0 to HW filter on device batadv90
[  486.999880][ T7335] team90: Port device batadv90 added
[  487.023086][ T7336] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  487.094147][ T7336] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000'
[  487.126488][ T7336] CPU: 1 PID: 7336 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  487.138287][ T7336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  487.148825][ T7336] Call Trace:
[  487.152128][ T7336]  <TASK>
[  487.155349][ T7336]  dump_stack_lvl+0x125/0x1b0
[  487.160107][ T7336]  sysfs_warn_dup+0x7f/0xa0
[  487.164768][ T7336]  sysfs_create_dir_ns+0x247/0x2a0
[  487.170006][ T7336]  ? sysfs_create_mount_point+0xb0/0xb0
[  487.175894][ T7336]  ? spin_bug+0x1c0/0x1c0
[  487.180985][ T7336]  ? net_namespace+0x12/0x40
[  487.185624][ T7336]  ? device_namespace+0x8d/0xc0
[  487.190617][ T7336]  kobject_add_internal+0x2c8/0x960
[  487.196513][ T7336]  kobject_add+0x16f/0x240
[  487.201153][ T7336]  ? kset_create_and_add+0x190/0x190
[  487.206608][ T7336]  ? do_raw_spin_unlock+0x172/0x230
[  487.212646][ T7336]  ? kobject_put+0xbe/0x440
[  487.218384][ T7336]  ? device_add+0xc35/0x1aa0
[  487.223189][ T7336]  device_add+0x289/0x1aa0
[  487.227998][ T7336]  ? device_initialize+0x510/0x510
[  487.233220][ T7336]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  487.239225][ T7336]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  487.246958][ T7336]  ? __init_waitqueue_head+0xca/0x150
[  487.252593][ T7336]  netdev_register_kobject+0x183/0x3f0
[  487.258114][ T7336]  register_netdevice+0xbdf/0x14a0
[  487.263355][ T7336]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  487.269471][ T7336]  ? alloc_netdev_mqs+0xee6/0x1290
[  487.274978][ T7336]  bpq_device_event+0x39e/0xaf0
[  487.280237][ T7336]  ? team_device_event+0x219/0x750
[  487.285600][ T7336]  notifier_call_chain+0xb6/0x3c0
[  487.290776][ T7336]  ? bpq_seq_stop+0xb0/0xb0
[  487.295750][ T7336]  call_netdevice_notifiers_info+0xbe/0x130
[  487.301776][ T7336]  dev_open+0x13c/0x150
[  487.306120][ T7336]  ? __dev_open+0x4d0/0x4d0
[  487.310804][ T7336]  ? kasan_set_track+0x24/0x30
[  487.315581][ T7336]  ? rcu_is_watching+0x12/0xb0
[  487.320534][ T7336]  team_add_slave+0xb4b/0x2130
[  487.325327][ T7336]  ? team_uninit+0x1c0/0x1c0
[  487.329934][ T7336]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  487.335836][ T7336]  ? validate_linkmsg+0x6fc/0x9c0
[  487.340890][ T7336]  ? team_uninit+0x1c0/0x1c0
[  487.345584][ T7336]  do_set_master+0x1c1/0x220
[  487.350272][ T7336]  __rtnl_newlink+0x14e4/0x1930
[  487.355941][ T7336]  ? rtnl_link_unregister+0x260/0x260
[  487.361360][ T7336]  rtnl_newlink+0x67/0xa0
[  487.365703][ T7336]  ? __rtnl_newlink+0x1930/0x1930
[  487.370853][ T7336]  rtnetlink_rcv_msg+0x3c7/0xe00
[  487.375890][ T7336]  ? rtnl_getlink+0xb40/0xb40
[  487.380923][ T7336]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  487.386920][ T7336]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  487.393200][ T7336]  ? __lock_acquire+0xc97/0x5dc0
[  487.398190][ T7336]  netlink_rcv_skb+0x16b/0x440
[  487.403092][ T7336]  ? rtnl_getlink+0xb40/0xb40
[  487.408072][ T7336]  ? netlink_ack+0x1370/0x1370
[  487.412958][ T7336]  ? lock_sync+0x180/0x180
[  487.418313][ T7336]  ? netlink_deliver_tap+0x1a0/0xd00
[  487.423719][ T7336]  ? _copy_from_iter+0x2c1/0x10f0
[  487.428781][ T7336]  netlink_unicast+0x53b/0x810
[  487.433752][ T7336]  ? netlink_attachskb+0x870/0x870
[  487.438909][ T7336]  ? __phys_addr_symbol+0x30/0x70
[  487.444095][ T7336]  ? __check_object_size+0x322/0x730
[  487.449692][ T7336]  netlink_sendmsg+0x939/0xe40
[  487.454785][ T7336]  ? netlink_unicast+0x810/0x810
[  487.459765][ T7336]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  487.465073][ T7336]  ? netlink_unicast+0x810/0x810
[  487.470058][ T7336]  __sock_sendmsg+0xd5/0x180
[  487.474663][ T7336]  ____sys_sendmsg+0x6ac/0x940
[  487.479530][ T7336]  ? copy_msghdr_from_user+0x10b/0x160
[  487.485087][ T7336]  ? kernel_sendmsg+0x50/0x50
[  487.489775][ T7336]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  487.495900][ T7336]  ___sys_sendmsg+0x135/0x1d0
[  487.500684][ T7336]  ? do_recvmmsg+0x740/0x740
[  487.505284][ T7336]  ? find_held_lock+0x2d/0x110
[  487.510157][ T7336]  ? preempt_count_sub+0x150/0x150
[  487.515500][ T7336]  ? __fget_light+0x1fa/0x260
[  487.520230][ T7336]  __sys_sendmsg+0x117/0x1e0
[  487.524949][ T7336]  ? __sys_sendmsg_sock+0x30/0x30
[  487.530317][ T7336]  ? syscall_enter_from_user_mode+0x26/0x80
[  487.536352][ T7336]  do_syscall_64+0x3f/0x110
[  487.540895][ T7336]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  487.546854][ T7336] RIP: 0033:0x7fa730b27eb9
[  487.551483][ T7336] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  487.571643][ T7336] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  487.580353][ T7336] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  487.588638][ T7336] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  487.596812][ T7336] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  487.604963][ T7336] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  487.613023][ T7336] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  487.621494][ T7336]  </TASK>
[  487.643691][ T7336] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  487.664873][ T7336] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000'
[  487.674893][ T7336] CPU: 1 PID: 7336 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  487.687865][ T7336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  487.699014][ T7336] Call Trace:
[  487.702335][ T7336]  <TASK>
[  487.705291][ T7336]  dump_stack_lvl+0x125/0x1b0
[  487.710018][ T7336]  sysfs_warn_dup+0x7f/0xa0
[  487.714547][ T7336]  sysfs_create_dir_ns+0x247/0x2a0
[  487.719769][ T7336]  ? sysfs_create_mount_point+0xb0/0xb0
[  487.725519][ T7336]  ? spin_bug+0x1c0/0x1c0
[  487.729888][ T7336]  ? net_namespace+0x12/0x40
[  487.734543][ T7336]  ? device_namespace+0x8d/0xc0
[  487.739604][ T7336]  kobject_add_internal+0x2c8/0x960
[  487.744862][ T7336]  kobject_add+0x16f/0x240
[  487.750027][ T7336]  ? kset_create_and_add+0x190/0x190
[  487.755445][ T7336]  ? do_raw_spin_unlock+0x172/0x230
[  487.760698][ T7336]  ? kobject_put+0xbe/0x440
[  487.765347][ T7336]  ? device_add+0xc35/0x1aa0
[  487.770174][ T7336]  device_add+0x289/0x1aa0
[  487.774641][ T7336]  ? device_initialize+0x510/0x510
[  487.779887][ T7336]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  487.786518][ T7336]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  487.793446][ T7336]  ? __init_waitqueue_head+0xca/0x150
[  487.799056][ T7336]  netdev_register_kobject+0x183/0x3f0
[  487.804696][ T7336]  register_netdevice+0xbdf/0x14a0
[  487.809864][ T7336]  ? lockdep_hardirqs_on+0x7c/0x100
[  487.815103][ T7336]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  487.821563][ T7336]  ? lapbeth_setup+0x170/0x170
[  487.826567][ T7336]  lapbeth_device_event+0x5b8/0xd40
[  487.831805][ T7336]  notifier_call_chain+0xb6/0x3c0
[  487.836887][ T7336]  ? lapbeth_xmit+0x290/0x290
[  487.841715][ T7336]  call_netdevice_notifiers_info+0xbe/0x130
[  487.847684][ T7336]  dev_open+0x13c/0x150
[  487.851969][ T7336]  ? __dev_open+0x4d0/0x4d0
[  487.856579][ T7336]  ? kasan_set_track+0x24/0x30
[  487.861501][ T7336]  ? rcu_is_watching+0x12/0xb0
[  487.866818][ T7336]  team_add_slave+0xb4b/0x2130
[  487.871712][ T7336]  ? team_uninit+0x1c0/0x1c0
[  487.876342][ T7336]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  487.882261][ T7336]  ? validate_linkmsg+0x6fc/0x9c0
[  487.887374][ T7336]  ? team_uninit+0x1c0/0x1c0
[  487.892986][ T7336]  do_set_master+0x1c1/0x220
[  487.897809][ T7336]  __rtnl_newlink+0x14e4/0x1930
[  487.902743][ T7336]  ? rtnl_link_unregister+0x260/0x260
[  487.908424][ T7336]  rtnl_newlink+0x67/0xa0
[  487.912885][ T7336]  ? __rtnl_newlink+0x1930/0x1930
[  487.918204][ T7336]  rtnetlink_rcv_msg+0x3c7/0xe00
[  487.923203][ T7336]  ? rtnl_getlink+0xb40/0xb40
[  487.928099][ T7336]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  487.934308][ T7336]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  487.940589][ T7336]  ? __lock_acquire+0xc97/0x5dc0
[  487.945780][ T7336]  netlink_rcv_skb+0x16b/0x440
[  487.950816][ T7336]  ? rtnl_getlink+0xb40/0xb40
[  487.955642][ T7336]  ? netlink_ack+0x1370/0x1370
[  487.960443][ T7336]  ? lock_sync+0x180/0x180
[  487.964925][ T7336]  ? netlink_deliver_tap+0x1a0/0xd00
[  487.970252][ T7336]  ? _copy_from_iter+0x2c1/0x10f0
[  487.975346][ T7336]  netlink_unicast+0x53b/0x810
[  487.980185][ T7336]  ? netlink_attachskb+0x870/0x870
[  487.985345][ T7336]  ? __phys_addr_symbol+0x30/0x70
[  487.990514][ T7336]  ? __check_object_size+0x322/0x730
[  487.995862][ T7336]  netlink_sendmsg+0x939/0xe40
[  488.000700][ T7336]  ? netlink_unicast+0x810/0x810
[  488.006014][ T7336]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  488.011867][ T7336]  ? netlink_unicast+0x810/0x810
[  488.017228][ T7336]  __sock_sendmsg+0xd5/0x180
[  488.022228][ T7336]  ____sys_sendmsg+0x6ac/0x940
[  488.027203][ T7336]  ? copy_msghdr_from_user+0x10b/0x160
[  488.033232][ T7336]  ? kernel_sendmsg+0x50/0x50
[  488.038495][ T7336]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  488.044640][ T7336]  ___sys_sendmsg+0x135/0x1d0
[  488.049350][ T7336]  ? do_recvmmsg+0x740/0x740
[  488.053991][ T7336]  ? find_held_lock+0x2d/0x110
[  488.059253][ T7336]  ? preempt_count_sub+0x150/0x150
[  488.064586][ T7336]  ? __fget_light+0x1fa/0x260
[  488.069316][ T7336]  __sys_sendmsg+0x117/0x1e0
[  488.074011][ T7336]  ? __sys_sendmsg_sock+0x30/0x30
[  488.079327][ T7336]  ? syscall_enter_from_user_mode+0x26/0x80
[  488.085523][ T7336]  do_syscall_64+0x3f/0x110
[  488.090219][ T7336]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  488.096498][ T7336] RIP: 0033:0x7fa730b27eb9
[  488.100936][ T7336] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  488.120755][ T7336] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  488.129361][ T7336] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  488.138153][ T7336] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  488.146558][ T7336] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  488.154644][ T7336] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  488.162893][ T7336] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  488.171241][ T7336]  </TASK>
[  488.194417][ T7336] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  488.217729][ T7336] 8021q: adding VLAN 0 to HW filter on device batadv91
[  488.227874][ T7336] team91: Port device batadv91 added
[  488.336852][ T7337] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000'
[  488.359692][ T7337] CPU: 1 PID: 7337 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  488.371465][ T7337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  488.381977][ T7337] Call Trace:
[  488.385276][ T7337]  <TASK>
[  488.388403][ T7337]  dump_stack_lvl+0x125/0x1b0
[  488.393906][ T7337]  sysfs_warn_dup+0x7f/0xa0
[  488.398611][ T7337]  sysfs_create_dir_ns+0x247/0x2a0
[  488.404457][ T7337]  ? sysfs_create_mount_point+0xb0/0xb0
[  488.410048][ T7337]  ? spin_bug+0x1c0/0x1c0
[  488.414448][ T7337]  ? net_namespace+0x12/0x40
[  488.419157][ T7337]  ? device_namespace+0x8d/0xc0
[  488.424151][ T7337]  kobject_add_internal+0x2c8/0x960
[  488.429510][ T7337]  kobject_add+0x16f/0x240
[  488.434243][ T7337]  ? kset_create_and_add+0x190/0x190
[  488.439939][ T7337]  ? kobject_put+0xbe/0x440
[  488.445361][ T7337]  ? device_add+0xc35/0x1aa0
[  488.450132][ T7337]  device_add+0x289/0x1aa0
[  488.454580][ T7337]  ? device_initialize+0x510/0x510
[  488.459728][ T7337]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  488.466211][ T7337]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  488.473325][ T7337]  ? __init_waitqueue_head+0xca/0x150
[  488.479096][ T7337]  netdev_register_kobject+0x183/0x3f0
[  488.484713][ T7337]  register_netdevice+0xbdf/0x14a0
[  488.489960][ T7337]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  488.496148][ T7337]  ? alloc_netdev_mqs+0xee6/0x1290
[  488.502004][ T7337]  bpq_device_event+0x39e/0xaf0
[  488.507057][ T7337]  ? team_device_event+0x219/0x750
[  488.512995][ T7337]  notifier_call_chain+0xb6/0x3c0
[  488.518151][ T7337]  ? bpq_seq_stop+0xb0/0xb0
[  488.522716][ T7337]  call_netdevice_notifiers_info+0xbe/0x130
[  488.529024][ T7337]  dev_open+0x13c/0x150
[  488.533579][ T7337]  ? __dev_open+0x4d0/0x4d0
[  488.538329][ T7337]  ? kasan_set_track+0x24/0x30
[  488.543148][ T7337]  ? rcu_is_watching+0x12/0xb0
[  488.548044][ T7337]  team_add_slave+0xb4b/0x2130
[  488.552974][ T7337]  ? team_uninit+0x1c0/0x1c0
[  488.557865][ T7337]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  488.563893][ T7337]  ? validate_linkmsg+0x6fc/0x9c0
[  488.569076][ T7337]  ? team_uninit+0x1c0/0x1c0
[  488.573725][ T7337]  do_set_master+0x1c1/0x220
[  488.578393][ T7337]  __rtnl_newlink+0x14e4/0x1930
[  488.583378][ T7337]  ? rtnl_link_unregister+0x260/0x260
[  488.589247][ T7337]  rtnl_newlink+0x67/0xa0
[  488.593628][ T7337]  ? __rtnl_newlink+0x1930/0x1930
[  488.598677][ T7337]  rtnetlink_rcv_msg+0x3c7/0xe00
[  488.603782][ T7337]  ? rtnl_getlink+0xb40/0xb40
[  488.608575][ T7337]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  488.614595][ T7337]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  488.620870][ T7337]  ? __lock_acquire+0xc97/0x5dc0
[  488.625958][ T7337]  netlink_rcv_skb+0x16b/0x440
[  488.630843][ T7337]  ? rtnl_getlink+0xb40/0xb40
[  488.635657][ T7337]  ? netlink_ack+0x1370/0x1370
[  488.640650][ T7337]  ? lock_sync+0x180/0x180
[  488.647044][ T7337]  ? netlink_deliver_tap+0x1a0/0xd00
[  488.652454][ T7337]  ? _copy_from_iter+0x2c1/0x10f0
[  488.657724][ T7337]  netlink_unicast+0x53b/0x810
[  488.662612][ T7337]  ? netlink_attachskb+0x870/0x870
[  488.667788][ T7337]  ? __phys_addr_symbol+0x30/0x70
[  488.674066][ T7337]  ? __check_object_size+0x322/0x730
[  488.679486][ T7337]  netlink_sendmsg+0x939/0xe40
[  488.684394][ T7337]  ? netlink_unicast+0x810/0x810
[  488.689476][ T7337]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  488.694806][ T7337]  ? netlink_unicast+0x810/0x810
[  488.700477][ T7337]  __sock_sendmsg+0xd5/0x180
[  488.705100][ T7337]  ____sys_sendmsg+0x6ac/0x940
[  488.709889][ T7337]  ? copy_msghdr_from_user+0x10b/0x160
[  488.715461][ T7337]  ? kernel_sendmsg+0x50/0x50
[  488.720906][ T7337]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  488.729735][ T7337]  ___sys_sendmsg+0x135/0x1d0
[  488.734467][ T7337]  ? do_recvmmsg+0x740/0x740
[  488.739084][ T7337]  ? find_held_lock+0x2d/0x110
[  488.743907][ T7337]  ? preempt_count_sub+0x150/0x150
[  488.749447][ T7337]  ? __fget_light+0x1fa/0x260
[  488.754278][ T7337]  __sys_sendmsg+0x117/0x1e0
[  488.760303][ T7337]  ? __sys_sendmsg_sock+0x30/0x30
[  488.765464][ T7337]  ? syscall_enter_from_user_mode+0x26/0x80
[  488.771474][ T7337]  do_syscall_64+0x3f/0x110
[  488.776208][ T7337]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  488.782310][ T7337] RIP: 0033:0x7fa730b27eb9
[  488.787013][ T7337] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  488.807964][ T7337] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  488.816498][ T7337] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  488.824496][ T7337] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  488.833105][ T7337] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  488.841203][ T7337] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  488.849385][ T7337] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  488.857521][ T7337]  </TASK>
[  488.874550][ T7337] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  488.891900][ T7337] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000'
[  488.902090][ T7337] CPU: 1 PID: 7337 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  488.913844][ T7337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  488.924106][ T7337] Call Trace:
[  488.927405][ T7337]  <TASK>
[  488.930351][ T7337]  dump_stack_lvl+0x125/0x1b0
[  488.935159][ T7337]  sysfs_warn_dup+0x7f/0xa0
[  488.939810][ T7337]  sysfs_create_dir_ns+0x247/0x2a0
[  488.945830][ T7337]  ? sysfs_create_mount_point+0xb0/0xb0
[  488.951776][ T7337]  ? spin_bug+0x1c0/0x1c0
[  488.956337][ T7337]  ? net_namespace+0x12/0x40
[  488.961036][ T7337]  ? device_namespace+0x8d/0xc0
[  488.965933][ T7337]  kobject_add_internal+0x2c8/0x960
[  488.971366][ T7337]  kobject_add+0x16f/0x240
[  488.976101][ T7337]  ? kset_create_and_add+0x190/0x190
[  488.981599][ T7337]  ? do_raw_spin_unlock+0x172/0x230
[  488.986839][ T7337]  ? kobject_put+0xbe/0x440
[  488.991463][ T7337]  ? device_add+0xc35/0x1aa0
[  488.996341][ T7337]  device_add+0x289/0x1aa0
[  489.000865][ T7337]  ? device_initialize+0x510/0x510
[  489.006150][ T7337]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  489.012310][ T7337]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  489.019302][ T7337]  ? __init_waitqueue_head+0xca/0x150
[  489.025363][ T7337]  netdev_register_kobject+0x183/0x3f0
[  489.031031][ T7337]  register_netdevice+0xbdf/0x14a0
[  489.036364][ T7337]  ? lockdep_hardirqs_on+0x7c/0x100
[  489.041751][ T7337]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  489.047871][ T7337]  ? lapbeth_setup+0x170/0x170
[  489.052776][ T7337]  lapbeth_device_event+0x5b8/0xd40
[  489.058437][ T7337]  notifier_call_chain+0xb6/0x3c0
[  489.063662][ T7337]  ? lapbeth_xmit+0x290/0x290
[  489.068452][ T7337]  call_netdevice_notifiers_info+0xbe/0x130
[  489.075310][ T7337]  dev_open+0x13c/0x150
[  489.079935][ T7337]  ? __dev_open+0x4d0/0x4d0
[  489.084724][ T7337]  ? kasan_set_track+0x24/0x30
[  489.089620][ T7337]  ? rcu_is_watching+0x12/0xb0
[  489.094416][ T7337]  team_add_slave+0xb4b/0x2130
[  489.099210][ T7337]  ? team_uninit+0x1c0/0x1c0
[  489.103814][ T7337]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  489.109994][ T7337]  ? validate_linkmsg+0x6fc/0x9c0
[  489.115226][ T7337]  ? team_uninit+0x1c0/0x1c0
[  489.119848][ T7337]  do_set_master+0x1c1/0x220
[  489.124541][ T7337]  __rtnl_newlink+0x14e4/0x1930
[  489.129502][ T7337]  ? rtnl_link_unregister+0x260/0x260
[  489.135090][ T7337]  rtnl_newlink+0x67/0xa0
[  489.139600][ T7337]  ? __rtnl_newlink+0x1930/0x1930
[  489.144822][ T7337]  rtnetlink_rcv_msg+0x3c7/0xe00
[  489.149777][ T7337]  ? rtnl_getlink+0xb40/0xb40
[  489.154464][ T7337]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  489.160560][ T7337]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  489.166736][ T7337]  ? __lock_acquire+0xc97/0x5dc0
[  489.172132][ T7337]  netlink_rcv_skb+0x16b/0x440
[  489.176909][ T7337]  ? rtnl_getlink+0xb40/0xb40
[  489.181685][ T7337]  ? netlink_ack+0x1370/0x1370
[  489.186541][ T7337]  ? lock_sync+0x180/0x180
[  489.191161][ T7337]  ? netlink_deliver_tap+0x1a0/0xd00
[  489.196454][ T7337]  ? _copy_from_iter+0x2c1/0x10f0
[  489.201942][ T7337]  netlink_unicast+0x53b/0x810
[  489.206727][ T7337]  ? netlink_attachskb+0x870/0x870
[  489.211849][ T7337]  ? __phys_addr_symbol+0x30/0x70
[  489.216980][ T7337]  ? __check_object_size+0x322/0x730
[  489.222450][ T7337]  netlink_sendmsg+0x939/0xe40
[  489.227407][ T7337]  ? netlink_unicast+0x810/0x810
[  489.232362][ T7337]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  489.237763][ T7337]  ? netlink_unicast+0x810/0x810
[  489.242861][ T7337]  __sock_sendmsg+0xd5/0x180
[  489.247738][ T7337]  ____sys_sendmsg+0x6ac/0x940
[  489.252692][ T7337]  ? copy_msghdr_from_user+0x10b/0x160
[  489.258166][ T7337]  ? kernel_sendmsg+0x50/0x50
[  489.262855][ T7337]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  489.268857][ T7337]  ___sys_sendmsg+0x135/0x1d0
[  489.273634][ T7337]  ? do_recvmmsg+0x740/0x740
[  489.278763][ T7337]  ? find_held_lock+0x2d/0x110
[  489.283639][ T7337]  ? preempt_count_sub+0x150/0x150
[  489.288857][ T7337]  ? __fget_light+0x1fa/0x260
[  489.293557][ T7337]  __sys_sendmsg+0x117/0x1e0
[  489.298609][ T7337]  ? __sys_sendmsg_sock+0x30/0x30
[  489.303802][ T7337]  ? syscall_enter_from_user_mode+0x26/0x80
[  489.309920][ T7337]  do_syscall_64+0x3f/0x110
[  489.314440][ T7337]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  489.320520][ T7337] RIP: 0033:0x7fa730b27eb9
[  489.325028][ T7337] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  489.345139][ T7337] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  489.353572][ T7337] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  489.361560][ T7337] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  489.369536][ T7337] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  489.377702][ T7337] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  489.385780][ T7337] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  489.394296][ T7337]  </TASK>
[  489.406377][ T7337] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  489.429842][ T7337] 8021q: adding VLAN 0 to HW filter on device batadv92
[  489.440980][ T7337] team92: Port device batadv92 added
[  489.558151][ T7338] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000'
[  489.572741][ T7338] CPU: 0 PID: 7338 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  489.584092][ T7338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  489.594515][ T7338] Call Trace:
[  489.597821][ T7338]  <TASK>
[  489.600853][ T7338]  dump_stack_lvl+0x125/0x1b0
[  489.605566][ T7338]  sysfs_warn_dup+0x7f/0xa0
[  489.610094][ T7338]  sysfs_create_dir_ns+0x247/0x2a0
[  489.615269][ T7338]  ? sysfs_create_mount_point+0xb0/0xb0
[  489.621196][ T7338]  ? spin_bug+0x1c0/0x1c0
[  489.625583][ T7338]  ? net_namespace+0x12/0x40
[  489.630197][ T7338]  ? device_namespace+0x8d/0xc0
[  489.635081][ T7338]  kobject_add_internal+0x2c8/0x960
[  489.640501][ T7338]  kobject_add+0x16f/0x240
[  489.645108][ T7338]  ? kset_create_and_add+0x190/0x190
[  489.650408][ T7338]  ? do_raw_spin_unlock+0x172/0x230
[  489.655715][ T7338]  ? kobject_put+0xbe/0x440
[  489.660407][ T7338]  ? device_add+0xc35/0x1aa0
[  489.665365][ T7338]  device_add+0x289/0x1aa0
[  489.669795][ T7338]  ? device_initialize+0x510/0x510
[  489.674994][ T7338]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  489.680903][ T7338]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  489.687766][ T7338]  ? __init_waitqueue_head+0xca/0x150
[  489.693162][ T7338]  netdev_register_kobject+0x183/0x3f0
[  489.699158][ T7338]  register_netdevice+0xbdf/0x14a0
[  489.704293][ T7338]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  489.710284][ T7338]  ? alloc_netdev_mqs+0xee6/0x1290
[  489.715499][ T7338]  bpq_device_event+0x39e/0xaf0
[  489.720360][ T7338]  ? team_device_event+0x219/0x750
[  489.726011][ T7338]  notifier_call_chain+0xb6/0x3c0
[  489.731080][ T7338]  ? bpq_seq_stop+0xb0/0xb0
[  489.735686][ T7338]  call_netdevice_notifiers_info+0xbe/0x130
[  489.741862][ T7338]  dev_open+0x13c/0x150
[  489.746201][ T7338]  ? __dev_open+0x4d0/0x4d0
[  489.750705][ T7338]  ? kasan_set_track+0x24/0x30
[  489.755488][ T7338]  ? rcu_is_watching+0x12/0xb0
[  489.760277][ T7338]  team_add_slave+0xb4b/0x2130
[  489.765072][ T7338]  ? team_uninit+0x1c0/0x1c0
[  489.769701][ T7338]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  489.775782][ T7338]  ? validate_linkmsg+0x6fc/0x9c0
[  489.780824][ T7338]  ? team_uninit+0x1c0/0x1c0
[  489.785692][ T7338]  do_set_master+0x1c1/0x220
[  489.791076][ T7338]  __rtnl_newlink+0x14e4/0x1930
[  489.795946][ T7338]  ? rtnl_link_unregister+0x260/0x260
[  489.801357][ T7338]  rtnl_newlink+0x67/0xa0
[  489.805795][ T7338]  ? __rtnl_newlink+0x1930/0x1930
[  489.810824][ T7338]  rtnetlink_rcv_msg+0x3c7/0xe00
[  489.815951][ T7338]  ? rtnl_getlink+0xb40/0xb40
[  489.820631][ T7338]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  489.826895][ T7338]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  489.833169][ T7338]  ? __lock_acquire+0xc97/0x5dc0
[  489.838331][ T7338]  netlink_rcv_skb+0x16b/0x440
[  489.843129][ T7338]  ? rtnl_getlink+0xb40/0xb40
[  489.847903][ T7338]  ? netlink_ack+0x1370/0x1370
[  489.852774][ T7338]  ? lock_sync+0x180/0x180
[  489.857404][ T7338]  ? netlink_deliver_tap+0x1a0/0xd00
[  489.863131][ T7338]  ? _copy_from_iter+0x2c1/0x10f0
[  489.868386][ T7338]  netlink_unicast+0x53b/0x810
[  489.873449][ T7338]  ? netlink_attachskb+0x870/0x870
[  489.878947][ T7338]  ? __phys_addr_symbol+0x30/0x70
[  489.884099][ T7338]  ? __check_object_size+0x322/0x730
[  489.889483][ T7338]  netlink_sendmsg+0x939/0xe40
[  489.894262][ T7338]  ? netlink_unicast+0x810/0x810
[  489.899214][ T7338]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  489.904691][ T7338]  ? netlink_unicast+0x810/0x810
[  489.909670][ T7338]  __sock_sendmsg+0xd5/0x180
[  489.914385][ T7338]  ____sys_sendmsg+0x6ac/0x940
[  489.919598][ T7338]  ? copy_msghdr_from_user+0x10b/0x160
[  489.925192][ T7338]  ? kernel_sendmsg+0x50/0x50
[  489.930171][ T7338]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  489.936825][ T7338]  ___sys_sendmsg+0x135/0x1d0
[  489.941801][ T7338]  ? do_recvmmsg+0x740/0x740
[  489.946848][ T7338]  ? find_held_lock+0x2d/0x110
[  489.951726][ T7338]  ? preempt_count_sub+0x150/0x150
[  489.956987][ T7338]  ? __fget_light+0x1fa/0x260
[  489.963033][ T7338]  __sys_sendmsg+0x117/0x1e0
[  489.967774][ T7338]  ? __sys_sendmsg_sock+0x30/0x30
[  489.972946][ T7338]  ? syscall_enter_from_user_mode+0x26/0x80
[  489.980111][ T7338]  do_syscall_64+0x3f/0x110
[  489.984644][ T7338]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  489.990665][ T7338] RIP: 0033:0x7fa730b27eb9
[  489.995293][ T7338] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  490.015637][ T7338] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  490.024775][ T7338] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  490.033050][ T7338] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  490.041498][ T7338] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  490.049655][ T7338] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  490.057978][ T7338] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  490.066144][ T7338]  </TASK>
[  490.075982][ T7338] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  490.110071][ T7338] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000'
[  490.119798][ T7338] CPU: 0 PID: 7338 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  490.131332][ T7338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  490.142559][ T7338] Call Trace:
[  490.145946][ T7338]  <TASK>
[  490.149066][ T7338]  dump_stack_lvl+0x125/0x1b0
[  490.153796][ T7338]  sysfs_warn_dup+0x7f/0xa0
[  490.158423][ T7338]  sysfs_create_dir_ns+0x247/0x2a0
[  490.163605][ T7338]  ? sysfs_create_mount_point+0xb0/0xb0
[  490.169298][ T7338]  ? spin_bug+0x1c0/0x1c0
[  490.173851][ T7338]  ? net_namespace+0x12/0x40
[  490.178755][ T7338]  ? device_namespace+0x8d/0xc0
[  490.183705][ T7338]  kobject_add_internal+0x2c8/0x960
[  490.189060][ T7338]  kobject_add+0x16f/0x240
[  490.193880][ T7338]  ? kset_create_and_add+0x190/0x190
[  490.200263][ T7338]  ? do_raw_spin_unlock+0x172/0x230
[  490.205871][ T7338]  ? kobject_put+0xbe/0x440
[  490.210511][ T7338]  ? device_add+0xc35/0x1aa0
[  490.215150][ T7338]  device_add+0x289/0x1aa0
[  490.219775][ T7338]  ? device_initialize+0x510/0x510
[  490.225015][ T7338]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  490.230854][ T7338]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  490.237744][ T7338]  ? __init_waitqueue_head+0xca/0x150
[  490.243239][ T7338]  netdev_register_kobject+0x183/0x3f0
[  490.248743][ T7338]  register_netdevice+0xbdf/0x14a0
[  490.253892][ T7338]  ? lockdep_hardirqs_on+0x7c/0x100
[  490.259200][ T7338]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  490.265313][ T7338]  ? lapbeth_setup+0x170/0x170
[  490.270110][ T7338]  lapbeth_device_event+0x5b8/0xd40
[  490.275434][ T7338]  notifier_call_chain+0xb6/0x3c0
[  490.280489][ T7338]  ? lapbeth_xmit+0x290/0x290
[  490.285289][ T7338]  call_netdevice_notifiers_info+0xbe/0x130
[  490.291310][ T7338]  dev_open+0x13c/0x150
[  490.295582][ T7338]  ? __dev_open+0x4d0/0x4d0
[  490.300237][ T7338]  ? kasan_set_track+0x24/0x30
[  490.305035][ T7338]  ? rcu_is_watching+0x12/0xb0
[  490.310303][ T7338]  team_add_slave+0xb4b/0x2130
[  490.316173][ T7338]  ? team_uninit+0x1c0/0x1c0
[  490.320790][ T7338]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  490.326819][ T7338]  ? validate_linkmsg+0x6fc/0x9c0
[  490.331971][ T7338]  ? team_uninit+0x1c0/0x1c0
[  490.336863][ T7338]  do_set_master+0x1c1/0x220
[  490.341657][ T7338]  __rtnl_newlink+0x14e4/0x1930
[  490.346544][ T7338]  ? rtnl_link_unregister+0x260/0x260
[  490.352064][ T7338]  rtnl_newlink+0x67/0xa0
[  490.356477][ T7338]  ? __rtnl_newlink+0x1930/0x1930
[  490.361716][ T7338]  rtnetlink_rcv_msg+0x3c7/0xe00
[  490.366691][ T7338]  ? rtnl_getlink+0xb40/0xb40
[  490.371388][ T7338]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  490.377438][ T7338]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  490.383453][ T7338]  ? __lock_acquire+0xc97/0x5dc0
[  490.388429][ T7338]  netlink_rcv_skb+0x16b/0x440
[  490.393407][ T7338]  ? rtnl_getlink+0xb40/0xb40
[  490.398195][ T7338]  ? netlink_ack+0x1370/0x1370
[  490.402983][ T7338]  ? lock_sync+0x180/0x180
[  490.407458][ T7338]  ? netlink_deliver_tap+0x1a0/0xd00
[  490.412769][ T7338]  ? _copy_from_iter+0x2c1/0x10f0
[  490.417929][ T7338]  netlink_unicast+0x53b/0x810
[  490.422815][ T7338]  ? netlink_attachskb+0x870/0x870
[  490.428196][ T7338]  ? __phys_addr_symbol+0x30/0x70
[  490.433624][ T7338]  ? __check_object_size+0x322/0x730
[  490.439829][ T7338]  netlink_sendmsg+0x939/0xe40
[  490.444645][ T7338]  ? netlink_unicast+0x810/0x810
[  490.449628][ T7338]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  490.455121][ T7338]  ? netlink_unicast+0x810/0x810
[  490.460527][ T7338]  __sock_sendmsg+0xd5/0x180
[  490.465283][ T7338]  ____sys_sendmsg+0x6ac/0x940
[  490.470330][ T7338]  ? copy_msghdr_from_user+0x10b/0x160
[  490.475907][ T7338]  ? kernel_sendmsg+0x50/0x50
[  490.480699][ T7338]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  490.486846][ T7338]  ___sys_sendmsg+0x135/0x1d0
[  490.491845][ T7338]  ? do_recvmmsg+0x740/0x740
[  490.496468][ T7338]  ? find_held_lock+0x2d/0x110
[  490.501395][ T7338]  ? preempt_count_sub+0x150/0x150
[  490.506555][ T7338]  ? __fget_light+0x1fa/0x260
[  490.511275][ T7338]  __sys_sendmsg+0x117/0x1e0
[  490.515966][ T7338]  ? __sys_sendmsg_sock+0x30/0x30
[  490.521055][ T7338]  ? syscall_enter_from_user_mode+0x26/0x80
[  490.527352][ T7338]  do_syscall_64+0x3f/0x110
[  490.531908][ T7338]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  490.538111][ T7338] RIP: 0033:0x7fa730b27eb9
[  490.542556][ T7338] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  490.562460][ T7338] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  490.570907][ T7338] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  490.579020][ T7338] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  490.587120][ T7338] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  490.595117][ T7338] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  490.603116][ T7338] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  490.611134][ T7338]  </TASK>
[  490.629327][ T7338] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  490.651000][ T7338] 8021q: adding VLAN 0 to HW filter on device batadv93
[  490.661714][ T7338] team93: Port device batadv93 added
[  490.684257][ T7339] __nla_validate_parse: 2 callbacks suppressed
[  490.684275][ T7339] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  490.787883][ T7339] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000'
[  490.800749][ T7339] CPU: 0 PID: 7339 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  490.812178][ T7339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  490.822521][ T7339] Call Trace:
[  490.825819][ T7339]  <TASK>
[  490.828800][ T7339]  dump_stack_lvl+0x125/0x1b0
[  490.833524][ T7339]  sysfs_warn_dup+0x7f/0xa0
[  490.838288][ T7339]  sysfs_create_dir_ns+0x247/0x2a0
[  490.843511][ T7339]  ? sysfs_create_mount_point+0xb0/0xb0
[  490.849251][ T7339]  ? spin_bug+0x1c0/0x1c0
[  490.853724][ T7339]  ? net_namespace+0x12/0x40
[  490.858323][ T7339]  ? device_namespace+0x8d/0xc0
[  490.863277][ T7339]  kobject_add_internal+0x2c8/0x960
[  490.868526][ T7339]  kobject_add+0x16f/0x240
[  490.873058][ T7339]  ? kset_create_and_add+0x190/0x190
[  490.878371][ T7339]  ? do_raw_spin_unlock+0x172/0x230
[  490.883851][ T7339]  ? kobject_put+0xbe/0x440
[  490.888456][ T7339]  ? device_add+0xc35/0x1aa0
[  490.893084][ T7339]  device_add+0x289/0x1aa0
[  490.897508][ T7339]  ? device_initialize+0x510/0x510
[  490.902627][ T7339]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  490.908444][ T7339]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  490.915307][ T7339]  ? __init_waitqueue_head+0xca/0x150
[  490.920782][ T7339]  netdev_register_kobject+0x183/0x3f0
[  490.927821][ T7339]  register_netdevice+0xbdf/0x14a0
[  490.933297][ T7339]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  490.939216][ T7339]  ? alloc_netdev_mqs+0xee6/0x1290
[  490.944404][ T7339]  bpq_device_event+0x39e/0xaf0
[  490.949549][ T7339]  ? team_device_event+0x219/0x750
[  490.955206][ T7339]  notifier_call_chain+0xb6/0x3c0
[  490.960333][ T7339]  ? bpq_seq_stop+0xb0/0xb0
[  490.964956][ T7339]  call_netdevice_notifiers_info+0xbe/0x130
[  490.970901][ T7339]  dev_open+0x13c/0x150
[  490.975166][ T7339]  ? __dev_open+0x4d0/0x4d0
[  490.979681][ T7339]  ? kasan_set_track+0x24/0x30
[  490.984480][ T7339]  ? rcu_is_watching+0x12/0xb0
[  490.989388][ T7339]  team_add_slave+0xb4b/0x2130
[  490.994299][ T7339]  ? team_uninit+0x1c0/0x1c0
[  490.999027][ T7339]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  491.005009][ T7339]  ? validate_linkmsg+0x6fc/0x9c0
[  491.010159][ T7339]  ? team_uninit+0x1c0/0x1c0
[  491.015235][ T7339]  do_set_master+0x1c1/0x220
[  491.019874][ T7339]  __rtnl_newlink+0x14e4/0x1930
[  491.025233][ T7339]  ? rtnl_link_unregister+0x260/0x260
[  491.030752][ T7339]  rtnl_newlink+0x67/0xa0
[  491.035103][ T7339]  ? __rtnl_newlink+0x1930/0x1930
[  491.040310][ T7339]  rtnetlink_rcv_msg+0x3c7/0xe00
[  491.045467][ T7339]  ? rtnl_getlink+0xb40/0xb40
[  491.050345][ T7339]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  491.056389][ T7339]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  491.062386][ T7339]  ? __lock_acquire+0xc97/0x5dc0
[  491.067453][ T7339]  netlink_rcv_skb+0x16b/0x440
[  491.072425][ T7339]  ? rtnl_getlink+0xb40/0xb40
[  491.077221][ T7339]  ? netlink_ack+0x1370/0x1370
[  491.082177][ T7339]  ? lock_sync+0x180/0x180
[  491.086630][ T7339]  ? netlink_deliver_tap+0x1a0/0xd00
[  491.091938][ T7339]  ? _copy_from_iter+0x2c1/0x10f0
[  491.097015][ T7339]  netlink_unicast+0x53b/0x810
[  491.101812][ T7339]  ? netlink_attachskb+0x870/0x870
[  491.106942][ T7339]  ? __phys_addr_symbol+0x30/0x70
[  491.112066][ T7339]  ? __check_object_size+0x322/0x730
[  491.117382][ T7339]  netlink_sendmsg+0x939/0xe40
[  491.122191][ T7339]  ? netlink_unicast+0x810/0x810
[  491.127178][ T7339]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  491.132655][ T7339]  ? netlink_unicast+0x810/0x810
[  491.137623][ T7339]  __sock_sendmsg+0xd5/0x180
[  491.142487][ T7339]  ____sys_sendmsg+0x6ac/0x940
[  491.147259][ T7339]  ? copy_msghdr_from_user+0x10b/0x160
[  491.152821][ T7339]  ? kernel_sendmsg+0x50/0x50
[  491.157960][ T7339]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  491.163984][ T7339]  ___sys_sendmsg+0x135/0x1d0
[  491.168672][ T7339]  ? do_recvmmsg+0x740/0x740
[  491.173269][ T7339]  ? find_held_lock+0x2d/0x110
[  491.178148][ T7339]  ? preempt_count_sub+0x150/0x150
[  491.183374][ T7339]  ? __fget_light+0x1fa/0x260
[  491.188106][ T7339]  __sys_sendmsg+0x117/0x1e0
[  491.192835][ T7339]  ? __sys_sendmsg_sock+0x30/0x30
[  491.197922][ T7339]  ? syscall_enter_from_user_mode+0x26/0x80
[  491.203832][ T7339]  do_syscall_64+0x3f/0x110
[  491.208349][ T7339]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  491.214378][ T7339] RIP: 0033:0x7fa730b27eb9
[  491.218801][ T7339] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  491.238498][ T7339] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  491.247018][ T7339] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  491.254999][ T7339] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  491.263075][ T7339] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  491.272185][ T7339] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  491.280186][ T7339] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  491.288440][ T7339]  </TASK>
[  491.306435][ T7339] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  491.323938][ T7339] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000'
[  491.333251][ T7339] CPU: 0 PID: 7339 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  491.344908][ T7339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  491.355081][ T7339] Call Trace:
[  491.358377][ T7339]  <TASK>
[  491.361323][ T7339]  dump_stack_lvl+0x125/0x1b0
[  491.366035][ T7339]  sysfs_warn_dup+0x7f/0xa0
[  491.370647][ T7339]  sysfs_create_dir_ns+0x247/0x2a0
[  491.375949][ T7339]  ? sysfs_create_mount_point+0xb0/0xb0
[  491.381603][ T7339]  ? spin_bug+0x1c0/0x1c0
[  491.386485][ T7339]  ? net_namespace+0x12/0x40
[  491.391180][ T7339]  ? device_namespace+0x8d/0xc0
[  491.396078][ T7339]  kobject_add_internal+0x2c8/0x960
[  491.401316][ T7339]  kobject_add+0x16f/0x240
[  491.405772][ T7339]  ? kset_create_and_add+0x190/0x190
[  491.411092][ T7339]  ? do_raw_spin_unlock+0x172/0x230
[  491.416494][ T7339]  ? kobject_put+0xbe/0x440
[  491.421066][ T7339]  ? device_add+0xc35/0x1aa0
[  491.425714][ T7339]  device_add+0x289/0x1aa0
[  491.430171][ T7339]  ? device_initialize+0x510/0x510
[  491.435332][ T7339]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  491.441178][ T7339]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  491.448078][ T7339]  ? __init_waitqueue_head+0xca/0x150
[  491.455762][ T7339]  netdev_register_kobject+0x183/0x3f0
[  491.461353][ T7339]  register_netdevice+0xbdf/0x14a0
[  491.466584][ T7339]  ? lockdep_hardirqs_on+0x7c/0x100
[  491.471826][ T7339]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  491.477784][ T7339]  ? lapbeth_setup+0x170/0x170
[  491.482596][ T7339]  lapbeth_device_event+0x5b8/0xd40
[  491.487873][ T7339]  notifier_call_chain+0xb6/0x3c0
[  491.492934][ T7339]  ? lapbeth_xmit+0x290/0x290
[  491.497672][ T7339]  call_netdevice_notifiers_info+0xbe/0x130
[  491.503781][ T7339]  dev_open+0x13c/0x150
[  491.507962][ T7339]  ? __dev_open+0x4d0/0x4d0
[  491.512486][ T7339]  ? kasan_set_track+0x24/0x30
[  491.517287][ T7339]  ? rcu_is_watching+0x12/0xb0
[  491.522085][ T7339]  team_add_slave+0xb4b/0x2130
[  491.526908][ T7339]  ? team_uninit+0x1c0/0x1c0
[  491.531656][ T7339]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  491.537697][ T7339]  ? validate_linkmsg+0x6fc/0x9c0
[  491.542896][ T7339]  ? team_uninit+0x1c0/0x1c0
[  491.547613][ T7339]  do_set_master+0x1c1/0x220
[  491.552497][ T7339]  __rtnl_newlink+0x14e4/0x1930
[  491.557396][ T7339]  ? rtnl_link_unregister+0x260/0x260
[  491.562834][ T7339]  rtnl_newlink+0x67/0xa0
[  491.567370][ T7339]  ? __rtnl_newlink+0x1930/0x1930
[  491.572415][ T7339]  rtnetlink_rcv_msg+0x3c7/0xe00
[  491.577377][ T7339]  ? rtnl_getlink+0xb40/0xb40
[  491.582160][ T7339]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  491.588346][ T7339]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  491.594547][ T7339]  ? __lock_acquire+0xc97/0x5dc0
[  491.599619][ T7339]  netlink_rcv_skb+0x16b/0x440
[  491.604419][ T7339]  ? rtnl_getlink+0xb40/0xb40
[  491.609207][ T7339]  ? netlink_ack+0x1370/0x1370
[  491.613996][ T7339]  ? lock_sync+0x180/0x180
[  491.618549][ T7339]  ? netlink_deliver_tap+0x1a0/0xd00
[  491.623861][ T7339]  ? _copy_from_iter+0x2c1/0x10f0
[  491.629100][ T7339]  netlink_unicast+0x53b/0x810
[  491.633896][ T7339]  ? netlink_attachskb+0x870/0x870
[  491.639230][ T7339]  ? __phys_addr_symbol+0x30/0x70
[  491.644343][ T7339]  ? __check_object_size+0x322/0x730
[  491.649682][ T7339]  netlink_sendmsg+0x939/0xe40
[  491.654486][ T7339]  ? netlink_unicast+0x810/0x810
[  491.659457][ T7339]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  491.664855][ T7339]  ? netlink_unicast+0x810/0x810
[  491.669819][ T7339]  __sock_sendmsg+0xd5/0x180
[  491.674867][ T7339]  ____sys_sendmsg+0x6ac/0x940
[  491.679763][ T7339]  ? copy_msghdr_from_user+0x10b/0x160
[  491.685394][ T7339]  ? kernel_sendmsg+0x50/0x50
[  491.690305][ T7339]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  491.696535][ T7339]  ___sys_sendmsg+0x135/0x1d0
[  491.701264][ T7339]  ? do_recvmmsg+0x740/0x740
[  491.705889][ T7339]  ? find_held_lock+0x2d/0x110
[  491.710795][ T7339]  ? preempt_count_sub+0x150/0x150
[  491.716319][ T7339]  ? __fget_light+0x1fa/0x260
[  491.721167][ T7339]  __sys_sendmsg+0x117/0x1e0
[  491.725849][ T7339]  ? __sys_sendmsg_sock+0x30/0x30
[  491.730972][ T7339]  ? syscall_enter_from_user_mode+0x26/0x80
[  491.736928][ T7339]  do_syscall_64+0x3f/0x110
[  491.741488][ T7339]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  491.747632][ T7339] RIP: 0033:0x7fa730b27eb9
[  491.752133][ T7339] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  491.772295][ T7339] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  491.780747][ T7339] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  491.788828][ T7339] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  491.797051][ T7339] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  491.805217][ T7339] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  491.813292][ T7339] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  491.821414][ T7339]  </TASK>
[  491.827087][ T7339] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  491.864821][ T7339] 8021q: adding VLAN 0 to HW filter on device batadv94
[  491.874760][ T7339] team94: Port device batadv94 added
[  491.890844][ T7340] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  491.998625][ T7340] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000'
[  492.009471][ T7340] CPU: 1 PID: 7340 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  492.020992][ T7340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  492.032580][ T7340] Call Trace:
[  492.036082][ T7340]  <TASK>
[  492.039229][ T7340]  dump_stack_lvl+0x125/0x1b0
[  492.044070][ T7340]  sysfs_warn_dup+0x7f/0xa0
[  492.048730][ T7340]  sysfs_create_dir_ns+0x247/0x2a0
[  492.053996][ T7340]  ? sysfs_create_mount_point+0xb0/0xb0
[  492.059801][ T7340]  ? spin_bug+0x1c0/0x1c0
[  492.064397][ T7340]  ? net_namespace+0x12/0x40
[  492.069040][ T7340]  ? device_namespace+0x8d/0xc0
[  492.074035][ T7340]  kobject_add_internal+0x2c8/0x960
[  492.079395][ T7340]  kobject_add+0x16f/0x240
[  492.084044][ T7340]  ? kset_create_and_add+0x190/0x190
[  492.089567][ T7340]  ? kobject_put+0xbe/0x440
[  492.094216][ T7340]  ? device_add+0xc35/0x1aa0
[  492.098945][ T7340]  device_add+0x289/0x1aa0
[  492.103400][ T7340]  ? device_initialize+0x510/0x510
[  492.108542][ T7340]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  492.114387][ T7340]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  492.121302][ T7340]  ? __init_waitqueue_head+0xca/0x150
[  492.126905][ T7340]  netdev_register_kobject+0x183/0x3f0
[  492.132513][ T7340]  register_netdevice+0xbdf/0x14a0
[  492.137678][ T7340]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  492.143784][ T7340]  ? alloc_netdev_mqs+0xee6/0x1290
[  492.149174][ T7340]  bpq_device_event+0x39e/0xaf0
[  492.154084][ T7340]  ? team_device_event+0x219/0x750
[  492.159676][ T7340]  notifier_call_chain+0xb6/0x3c0
[  492.164993][ T7340]  ? bpq_seq_stop+0xb0/0xb0
[  492.169640][ T7340]  call_netdevice_notifiers_info+0xbe/0x130
[  492.175640][ T7340]  dev_open+0x13c/0x150
[  492.179858][ T7340]  ? __dev_open+0x4d0/0x4d0
[  492.184404][ T7340]  ? kasan_set_track+0x24/0x30
[  492.189222][ T7340]  ? rcu_is_watching+0x12/0xb0
[  492.194213][ T7340]  team_add_slave+0xb4b/0x2130
[  492.199050][ T7340]  ? team_uninit+0x1c0/0x1c0
[  492.203845][ T7340]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  492.210034][ T7340]  ? validate_linkmsg+0x6fc/0x9c0
[  492.215394][ T7340]  ? team_uninit+0x1c0/0x1c0
[  492.220228][ T7340]  do_set_master+0x1c1/0x220
[  492.224941][ T7340]  __rtnl_newlink+0x14e4/0x1930
[  492.229970][ T7340]  ? rtnl_link_unregister+0x260/0x260
[  492.235447][ T7340]  rtnl_newlink+0x67/0xa0
[  492.240004][ T7340]  ? __rtnl_newlink+0x1930/0x1930
[  492.245149][ T7340]  rtnetlink_rcv_msg+0x3c7/0xe00
[  492.250151][ T7340]  ? rtnl_getlink+0xb40/0xb40
[  492.254986][ T7340]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  492.261037][ T7340]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  492.267263][ T7340]  ? __lock_acquire+0xc97/0x5dc0
[  492.272456][ T7340]  netlink_rcv_skb+0x16b/0x440
[  492.277437][ T7340]  ? rtnl_getlink+0xb40/0xb40
[  492.282152][ T7340]  ? netlink_ack+0x1370/0x1370
[  492.287216][ T7340]  ? lock_sync+0x180/0x180
[  492.291704][ T7340]  ? netlink_deliver_tap+0x1a0/0xd00
[  492.297402][ T7340]  ? _copy_from_iter+0x2c1/0x10f0
[  492.302491][ T7340]  netlink_unicast+0x53b/0x810
[  492.307303][ T7340]  ? netlink_attachskb+0x870/0x870
[  492.313500][ T7340]  ? __phys_addr_symbol+0x30/0x70
[  492.318647][ T7340]  ? __check_object_size+0x322/0x730
[  492.324056][ T7340]  netlink_sendmsg+0x939/0xe40
[  492.328947][ T7340]  ? netlink_unicast+0x810/0x810
[  492.334196][ T7340]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  492.339682][ T7340]  ? netlink_unicast+0x810/0x810
[  492.344667][ T7340]  __sock_sendmsg+0xd5/0x180
[  492.349342][ T7340]  ____sys_sendmsg+0x6ac/0x940
[  492.354154][ T7340]  ? copy_msghdr_from_user+0x10b/0x160
[  492.359664][ T7340]  ? kernel_sendmsg+0x50/0x50
[  492.364379][ T7340]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  492.370499][ T7340]  ___sys_sendmsg+0x135/0x1d0
[  492.375300][ T7340]  ? do_recvmmsg+0x740/0x740
[  492.379921][ T7340]  ? find_held_lock+0x2d/0x110
[  492.384996][ T7340]  ? preempt_count_sub+0x150/0x150
[  492.390150][ T7340]  ? __fget_light+0x1fa/0x260
[  492.394865][ T7340]  __sys_sendmsg+0x117/0x1e0
[  492.399485][ T7340]  ? __sys_sendmsg_sock+0x30/0x30
[  492.404733][ T7340]  ? syscall_enter_from_user_mode+0x26/0x80
[  492.410660][ T7340]  do_syscall_64+0x3f/0x110
[  492.416332][ T7340]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  492.422258][ T7340] RIP: 0033:0x7fa730b27eb9
[  492.426925][ T7340] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  492.446802][ T7340] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  492.455443][ T7340] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  492.463546][ T7340] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  492.471805][ T7340] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  492.479973][ T7340] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  492.487977][ T7340] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  492.496144][ T7340]  </TASK>
[  492.508721][ T7340] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  492.525452][ T7340] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000'
[  492.535726][ T7340] CPU: 1 PID: 7340 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  492.547395][ T7340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  492.559395][ T7340] Call Trace:
[  492.562792][ T7340]  <TASK>
[  492.565744][ T7340]  dump_stack_lvl+0x125/0x1b0
[  492.571112][ T7340]  sysfs_warn_dup+0x7f/0xa0
[  492.575927][ T7340]  sysfs_create_dir_ns+0x247/0x2a0
[  492.581165][ T7340]  ? sysfs_create_mount_point+0xb0/0xb0
[  492.586836][ T7340]  ? spin_bug+0x1c0/0x1c0
[  492.591212][ T7340]  ? net_namespace+0x12/0x40
[  492.595972][ T7340]  ? device_namespace+0x8d/0xc0
[  492.600886][ T7340]  kobject_add_internal+0x2c8/0x960
[  492.606239][ T7340]  kobject_add+0x16f/0x240
[  492.610897][ T7340]  ? kset_create_and_add+0x190/0x190
[  492.616245][ T7340]  ? do_raw_spin_unlock+0x172/0x230
[  492.621483][ T7340]  ? kobject_put+0xbe/0x440
[  492.626104][ T7340]  ? device_add+0xc35/0x1aa0
[  492.630820][ T7340]  device_add+0x289/0x1aa0
[  492.635782][ T7340]  ? device_initialize+0x510/0x510
[  492.641132][ T7340]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  492.646991][ T7340]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  492.654074][ T7340]  ? __init_waitqueue_head+0xca/0x150
[  492.659576][ T7340]  netdev_register_kobject+0x183/0x3f0
[  492.665345][ T7340]  register_netdevice+0xbdf/0x14a0
[  492.670580][ T7340]  ? lockdep_hardirqs_on+0x7c/0x100
[  492.675974][ T7340]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  492.682083][ T7340]  ? lapbeth_setup+0x170/0x170
[  492.687440][ T7340]  lapbeth_device_event+0x5b8/0xd40
[  492.693279][ T7340]  notifier_call_chain+0xb6/0x3c0
[  492.698776][ T7340]  ? lapbeth_xmit+0x290/0x290
[  492.703564][ T7340]  call_netdevice_notifiers_info+0xbe/0x130
[  492.709598][ T7340]  dev_open+0x13c/0x150
[  492.713852][ T7340]  ? __dev_open+0x4d0/0x4d0
[  492.718366][ T7340]  ? kasan_set_track+0x24/0x30
[  492.723148][ T7340]  ? rcu_is_watching+0x12/0xb0
[  492.727928][ T7340]  team_add_slave+0xb4b/0x2130
[  492.732721][ T7340]  ? team_uninit+0x1c0/0x1c0
[  492.737412][ T7340]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  492.743501][ T7340]  ? validate_linkmsg+0x6fc/0x9c0
[  492.748754][ T7340]  ? team_uninit+0x1c0/0x1c0
[  492.753727][ T7340]  do_set_master+0x1c1/0x220
[  492.758442][ T7340]  __rtnl_newlink+0x14e4/0x1930
[  492.763410][ T7340]  ? rtnl_link_unregister+0x260/0x260
[  492.768915][ T7340]  rtnl_newlink+0x67/0xa0
[  492.773287][ T7340]  ? __rtnl_newlink+0x1930/0x1930
[  492.778349][ T7340]  rtnetlink_rcv_msg+0x3c7/0xe00
[  492.783315][ T7340]  ? rtnl_getlink+0xb40/0xb40
[  492.788092][ T7340]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  492.794109][ T7340]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  492.800193][ T7340]  ? __lock_acquire+0xc97/0x5dc0
[  492.805165][ T7340]  netlink_rcv_skb+0x16b/0x440
[  492.809963][ T7340]  ? rtnl_getlink+0xb40/0xb40
[  492.814726][ T7340]  ? netlink_ack+0x1370/0x1370
[  492.819505][ T7340]  ? lock_sync+0x180/0x180
[  492.823959][ T7340]  ? netlink_deliver_tap+0x1a0/0xd00
[  492.829276][ T7340]  ? _copy_from_iter+0x2c1/0x10f0
[  492.834332][ T7340]  netlink_unicast+0x53b/0x810
[  492.839380][ T7340]  ? netlink_attachskb+0x870/0x870
[  492.844652][ T7340]  ? __phys_addr_symbol+0x30/0x70
[  492.849865][ T7340]  ? __check_object_size+0x322/0x730
[  492.855431][ T7340]  netlink_sendmsg+0x939/0xe40
[  492.860661][ T7340]  ? netlink_unicast+0x810/0x810
[  492.865893][ T7340]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  492.871279][ T7340]  ? netlink_unicast+0x810/0x810
[  492.876262][ T7340]  __sock_sendmsg+0xd5/0x180
[  492.880974][ T7340]  ____sys_sendmsg+0x6ac/0x940
[  492.886191][ T7340]  ? copy_msghdr_from_user+0x10b/0x160
[  492.892188][ T7340]  ? kernel_sendmsg+0x50/0x50
[  492.896985][ T7340]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  492.902999][ T7340]  ___sys_sendmsg+0x135/0x1d0
[  492.907724][ T7340]  ? do_recvmmsg+0x740/0x740
[  492.912328][ T7340]  ? find_held_lock+0x2d/0x110
[  492.917322][ T7340]  ? preempt_count_sub+0x150/0x150
[  492.922479][ T7340]  ? __fget_light+0x1fa/0x260
[  492.927366][ T7340]  __sys_sendmsg+0x117/0x1e0
[  492.932067][ T7340]  ? __sys_sendmsg_sock+0x30/0x30
[  492.937476][ T7340]  ? syscall_enter_from_user_mode+0x26/0x80
[  492.943746][ T7340]  do_syscall_64+0x3f/0x110
[  492.948269][ T7340]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  492.954265][ T7340] RIP: 0033:0x7fa730b27eb9
[  492.958864][ T7340] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  492.978570][ T7340] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  492.987169][ T7340] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  492.995236][ T7340] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  493.003476][ T7340] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  493.011575][ T7340] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  493.019817][ T7340] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  493.028182][ T7340]  </TASK>
[  493.035700][ T7340] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  493.059037][ T7340] 8021q: adding VLAN 0 to HW filter on device batadv95
[  493.069104][ T7340] team95: Port device batadv95 added
[  493.164497][ T7342] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  493.319452][ T7342] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000'
[  493.335124][ T7342] CPU: 0 PID: 7342 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  493.346568][ T7342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  493.356840][ T7342] Call Trace:
[  493.360325][ T7342]  <TASK>
[  493.363371][ T7342]  dump_stack_lvl+0x125/0x1b0
[  493.368273][ T7342]  sysfs_warn_dup+0x7f/0xa0
[  493.372901][ T7342]  sysfs_create_dir_ns+0x247/0x2a0
[  493.378120][ T7342]  ? sysfs_create_mount_point+0xb0/0xb0
[  493.383958][ T7342]  ? spin_bug+0x1c0/0x1c0
[  493.388762][ T7342]  ? net_namespace+0x12/0x40
[  493.393450][ T7342]  ? device_namespace+0x8d/0xc0
[  493.398322][ T7342]  kobject_add_internal+0x2c8/0x960
[  493.403551][ T7342]  kobject_add+0x16f/0x240
[  493.408130][ T7342]  ? kset_create_and_add+0x190/0x190
[  493.413434][ T7342]  ? do_raw_spin_unlock+0x172/0x230
[  493.418843][ T7342]  ? kobject_put+0xbe/0x440
[  493.425118][ T7342]  ? device_add+0xc35/0x1aa0
[  493.429730][ T7342]  device_add+0x289/0x1aa0
[  493.434423][ T7342]  ? device_initialize+0x510/0x510
[  493.439553][ T7342]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  493.445394][ T7342]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  493.452260][ T7342]  ? __init_waitqueue_head+0xca/0x150
[  493.457835][ T7342]  netdev_register_kobject+0x183/0x3f0
[  493.463333][ T7342]  register_netdevice+0xbdf/0x14a0
[  493.468550][ T7342]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  493.474696][ T7342]  ? alloc_netdev_mqs+0xee6/0x1290
[  493.479916][ T7342]  bpq_device_event+0x39e/0xaf0
[  493.484973][ T7342]  ? team_device_event+0x219/0x750
[  493.490120][ T7342]  notifier_call_chain+0xb6/0x3c0
[  493.495253][ T7342]  ? bpq_seq_stop+0xb0/0xb0
[  493.499953][ T7342]  call_netdevice_notifiers_info+0xbe/0x130
[  493.506564][ T7342]  dev_open+0x13c/0x150
[  493.510729][ T7342]  ? __dev_open+0x4d0/0x4d0
[  493.515239][ T7342]  ? kasan_set_track+0x24/0x30
[  493.520027][ T7342]  ? rcu_is_watching+0x12/0xb0
[  493.524994][ T7342]  team_add_slave+0xb4b/0x2130
[  493.529875][ T7342]  ? team_uninit+0x1c0/0x1c0
[  493.534541][ T7342]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  493.540706][ T7342]  ? validate_linkmsg+0x6fc/0x9c0
[  493.545841][ T7342]  ? team_uninit+0x1c0/0x1c0
[  493.550477][ T7342]  do_set_master+0x1c1/0x220
[  493.555173][ T7342]  __rtnl_newlink+0x14e4/0x1930
[  493.560053][ T7342]  ? rtnl_link_unregister+0x260/0x260
[  493.565893][ T7342]  rtnl_newlink+0x67/0xa0
[  493.570671][ T7342]  ? __rtnl_newlink+0x1930/0x1930
[  493.576089][ T7342]  rtnetlink_rcv_msg+0x3c7/0xe00
[  493.581218][ T7342]  ? rtnl_getlink+0xb40/0xb40
[  493.586045][ T7342]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  493.592167][ T7342]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  493.598251][ T7342]  ? __lock_acquire+0xc97/0x5dc0
[  493.603219][ T7342]  netlink_rcv_skb+0x16b/0x440
[  493.608087][ T7342]  ? rtnl_getlink+0xb40/0xb40
[  493.612954][ T7342]  ? netlink_ack+0x1370/0x1370
[  493.617734][ T7342]  ? lock_sync+0x180/0x180
[  493.622268][ T7342]  ? netlink_deliver_tap+0x1a0/0xd00
[  493.627826][ T7342]  ? _copy_from_iter+0x2c1/0x10f0
[  493.632877][ T7342]  netlink_unicast+0x53b/0x810
[  493.637785][ T7342]  ? netlink_attachskb+0x870/0x870
[  493.643004][ T7342]  ? __phys_addr_symbol+0x30/0x70
[  493.648223][ T7342]  ? __check_object_size+0x322/0x730
[  493.653870][ T7342]  netlink_sendmsg+0x939/0xe40
[  493.658654][ T7342]  ? netlink_unicast+0x810/0x810
[  493.663615][ T7342]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  493.669171][ T7342]  ? netlink_unicast+0x810/0x810
[  493.674310][ T7342]  __sock_sendmsg+0xd5/0x180
[  493.678946][ T7342]  ____sys_sendmsg+0x6ac/0x940
[  493.683980][ T7342]  ? copy_msghdr_from_user+0x10b/0x160
[  493.689823][ T7342]  ? kernel_sendmsg+0x50/0x50
[  493.694526][ T7342]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  493.700760][ T7342]  ___sys_sendmsg+0x135/0x1d0
[  493.705648][ T7342]  ? do_recvmmsg+0x740/0x740
[  493.710264][ T7342]  ? find_held_lock+0x2d/0x110
[  493.715193][ T7342]  ? preempt_count_sub+0x150/0x150
[  493.720504][ T7342]  ? __fget_light+0x1fa/0x260
[  493.725377][ T7342]  __sys_sendmsg+0x117/0x1e0
[  493.730073][ T7342]  ? __sys_sendmsg_sock+0x30/0x30
[  493.735164][ T7342]  ? syscall_enter_from_user_mode+0x26/0x80
[  493.741165][ T7342]  do_syscall_64+0x3f/0x110
[  493.745778][ T7342]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  493.751770][ T7342] RIP: 0033:0x7fa730b27eb9
[  493.756735][ T7342] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  493.777051][ T7342] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  493.786086][ T7342] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  493.794154][ T7342] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  493.802305][ T7342] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  493.810390][ T7342] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  493.818366][ T7342] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  493.826362][ T7342]  </TASK>
[  493.833074][ T7342] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  493.850367][ T7342] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000'
[  493.860401][ T7342] CPU: 0 PID: 7342 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  493.871823][ T7342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  493.882029][ T7342] Call Trace:
[  493.885339][ T7342]  <TASK>
[  493.888397][ T7342]  dump_stack_lvl+0x125/0x1b0
[  493.893141][ T7342]  sysfs_warn_dup+0x7f/0xa0
[  493.897702][ T7342]  sysfs_create_dir_ns+0x247/0x2a0
[  493.903209][ T7342]  ? sysfs_create_mount_point+0xb0/0xb0
[  493.909156][ T7342]  ? spin_bug+0x1c0/0x1c0
[  493.913723][ T7342]  ? net_namespace+0x12/0x40
[  493.918543][ T7342]  ? device_namespace+0x8d/0xc0
[  493.923553][ T7342]  kobject_add_internal+0x2c8/0x960
[  493.928826][ T7342]  kobject_add+0x16f/0x240
[  493.933470][ T7342]  ? kset_create_and_add+0x190/0x190
[  493.938837][ T7342]  ? do_raw_spin_unlock+0x172/0x230
[  493.944135][ T7342]  ? kobject_put+0xbe/0x440
[  493.948866][ T7342]  ? device_add+0xc35/0x1aa0
[  493.953687][ T7342]  device_add+0x289/0x1aa0
[  493.958236][ T7342]  ? device_initialize+0x510/0x510
[  493.963379][ T7342]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  493.969313][ T7342]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  493.976654][ T7342]  ? __init_waitqueue_head+0xca/0x150
[  493.982251][ T7342]  netdev_register_kobject+0x183/0x3f0
[  493.987757][ T7342]  register_netdevice+0xbdf/0x14a0
[  493.993095][ T7342]  ? lockdep_hardirqs_on+0x7c/0x100
[  493.998324][ T7342]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  494.004348][ T7342]  ? lapbeth_setup+0x170/0x170
[  494.009179][ T7342]  lapbeth_device_event+0x5b8/0xd40
[  494.014625][ T7342]  notifier_call_chain+0xb6/0x3c0
[  494.019961][ T7342]  ? lapbeth_xmit+0x290/0x290
[  494.024871][ T7342]  call_netdevice_notifiers_info+0xbe/0x130
[  494.030903][ T7342]  dev_open+0x13c/0x150
[  494.035364][ T7342]  ? __dev_open+0x4d0/0x4d0
[  494.040093][ T7342]  ? kasan_set_track+0x24/0x30
[  494.045004][ T7342]  ? rcu_is_watching+0x12/0xb0
[  494.050441][ T7342]  team_add_slave+0xb4b/0x2130
[  494.055275][ T7342]  ? team_uninit+0x1c0/0x1c0
[  494.060086][ T7342]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  494.066282][ T7342]  ? validate_linkmsg+0x6fc/0x9c0
[  494.071601][ T7342]  ? team_uninit+0x1c0/0x1c0
[  494.076790][ T7342]  do_set_master+0x1c1/0x220
[  494.081450][ T7342]  __rtnl_newlink+0x14e4/0x1930
[  494.086510][ T7342]  ? rtnl_link_unregister+0x260/0x260
[  494.092343][ T7342]  rtnl_newlink+0x67/0xa0
[  494.097079][ T7342]  ? __rtnl_newlink+0x1930/0x1930
[  494.102234][ T7342]  rtnetlink_rcv_msg+0x3c7/0xe00
[  494.109470][ T7342]  ? rtnl_getlink+0xb40/0xb40
[  494.114362][ T7342]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  494.120399][ T7342]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  494.126508][ T7342]  ? __lock_acquire+0xc97/0x5dc0
[  494.131505][ T7342]  netlink_rcv_skb+0x16b/0x440
[  494.136405][ T7342]  ? rtnl_getlink+0xb40/0xb40
[  494.141121][ T7342]  ? netlink_ack+0x1370/0x1370
[  494.146019][ T7342]  ? lock_sync+0x180/0x180
[  494.150620][ T7342]  ? netlink_deliver_tap+0x1a0/0xd00
[  494.156102][ T7342]  ? _copy_from_iter+0x2c1/0x10f0
[  494.161163][ T7342]  netlink_unicast+0x53b/0x810
[  494.166053][ T7342]  ? netlink_attachskb+0x870/0x870
[  494.171196][ T7342]  ? __phys_addr_symbol+0x30/0x70
[  494.176342][ T7342]  ? __check_object_size+0x322/0x730
[  494.181693][ T7342]  netlink_sendmsg+0x939/0xe40
[  494.186497][ T7342]  ? netlink_unicast+0x810/0x810
[  494.191467][ T7342]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  494.196809][ T7342]  ? netlink_unicast+0x810/0x810
[  494.201981][ T7342]  __sock_sendmsg+0xd5/0x180
[  494.206714][ T7342]  ____sys_sendmsg+0x6ac/0x940
[  494.211651][ T7342]  ? copy_msghdr_from_user+0x10b/0x160
[  494.217255][ T7342]  ? kernel_sendmsg+0x50/0x50
[  494.222156][ T7342]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  494.228881][ T7342]  ___sys_sendmsg+0x135/0x1d0
[  494.233629][ T7342]  ? do_recvmmsg+0x740/0x740
[  494.238424][ T7342]  ? find_held_lock+0x2d/0x110
[  494.243323][ T7342]  ? preempt_count_sub+0x150/0x150
[  494.249027][ T7342]  ? __fget_light+0x1fa/0x260
[  494.253741][ T7342]  __sys_sendmsg+0x117/0x1e0
[  494.258364][ T7342]  ? __sys_sendmsg_sock+0x30/0x30
[  494.263473][ T7342]  ? syscall_enter_from_user_mode+0x26/0x80
[  494.269466][ T7342]  do_syscall_64+0x3f/0x110
[  494.274098][ T7342]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  494.280551][ T7342] RIP: 0033:0x7fa730b27eb9
[  494.285075][ T7342] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  494.305161][ T7342] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  494.313786][ T7342] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  494.321955][ T7342] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  494.330226][ T7342] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  494.338306][ T7342] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  494.346735][ T7342] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  494.355014][ T7342]  </TASK>
[  494.362794][ T7342] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  494.385620][ T7342] 8021q: adding VLAN 0 to HW filter on device batadv96
[  494.401191][ T7342] team96: Port device batadv96 added
[  494.417223][ T7345] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  494.574836][ T7345] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000'
[  494.595500][ T7345] CPU: 0 PID: 7345 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  494.607380][ T7345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  494.617832][ T7345] Call Trace:
[  494.621242][ T7345]  <TASK>
[  494.624208][ T7345]  dump_stack_lvl+0x125/0x1b0
[  494.629288][ T7345]  sysfs_warn_dup+0x7f/0xa0
[  494.633830][ T7345]  sysfs_create_dir_ns+0x247/0x2a0
[  494.639640][ T7345]  ? sysfs_create_mount_point+0xb0/0xb0
[  494.645318][ T7345]  ? spin_bug+0x1c0/0x1c0
[  494.650165][ T7345]  ? net_namespace+0x12/0x40
[  494.654976][ T7345]  ? device_namespace+0x8d/0xc0
[  494.660325][ T7345]  kobject_add_internal+0x2c8/0x960
[  494.665746][ T7345]  kobject_add+0x16f/0x240
[  494.670468][ T7345]  ? kset_create_and_add+0x190/0x190
[  494.676735][ T7345]  ? do_raw_spin_unlock+0x172/0x230
[  494.682785][ T7345]  ? kobject_put+0xbe/0x440
[  494.687564][ T7345]  ? device_add+0xc35/0x1aa0
[  494.692375][ T7345]  device_add+0x289/0x1aa0
[  494.696927][ T7345]  ? device_initialize+0x510/0x510
[  494.702081][ T7345]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  494.707983][ T7345]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  494.715185][ T7345]  ? __init_waitqueue_head+0xca/0x150
[  494.721081][ T7345]  netdev_register_kobject+0x183/0x3f0
[  494.726778][ T7345]  register_netdevice+0xbdf/0x14a0
[  494.731942][ T7345]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  494.737875][ T7345]  ? alloc_netdev_mqs+0xee6/0x1290
[  494.743197][ T7345]  bpq_device_event+0x39e/0xaf0
[  494.748172][ T7345]  ? team_device_event+0x219/0x750
[  494.753497][ T7345]  notifier_call_chain+0xb6/0x3c0
[  494.758584][ T7345]  ? bpq_seq_stop+0xb0/0xb0
[  494.763487][ T7345]  call_netdevice_notifiers_info+0xbe/0x130
[  494.769635][ T7345]  dev_open+0x13c/0x150
[  494.773926][ T7345]  ? __dev_open+0x4d0/0x4d0
[  494.778556][ T7345]  ? kasan_set_track+0x24/0x30
[  494.783754][ T7345]  ? rcu_is_watching+0x12/0xb0
[  494.788646][ T7345]  team_add_slave+0xb4b/0x2130
[  494.793661][ T7345]  ? team_uninit+0x1c0/0x1c0
[  494.798309][ T7345]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  494.804326][ T7345]  ? validate_linkmsg+0x6fc/0x9c0
[  494.809508][ T7345]  ? team_uninit+0x1c0/0x1c0
[  494.814237][ T7345]  do_set_master+0x1c1/0x220
[  494.818890][ T7345]  __rtnl_newlink+0x14e4/0x1930
[  494.823814][ T7345]  ? rtnl_link_unregister+0x260/0x260
[  494.829372][ T7345]  rtnl_newlink+0x67/0xa0
[  494.834190][ T7345]  ? __rtnl_newlink+0x1930/0x1930
[  494.839647][ T7345]  rtnetlink_rcv_msg+0x3c7/0xe00
[  494.845451][ T7345]  ? rtnl_getlink+0xb40/0xb40
[  494.850442][ T7345]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  494.856649][ T7345]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  494.862871][ T7345]  ? __lock_acquire+0xc97/0x5dc0
[  494.868055][ T7345]  netlink_rcv_skb+0x16b/0x440
[  494.872866][ T7345]  ? rtnl_getlink+0xb40/0xb40
[  494.877579][ T7345]  ? netlink_ack+0x1370/0x1370
[  494.882552][ T7345]  ? lock_sync+0x180/0x180
[  494.887099][ T7345]  ? netlink_deliver_tap+0x1a0/0xd00
[  494.892424][ T7345]  ? _copy_from_iter+0x2c1/0x10f0
[  494.897687][ T7345]  netlink_unicast+0x53b/0x810
[  494.902600][ T7345]  ? netlink_attachskb+0x870/0x870
[  494.907760][ T7345]  ? __phys_addr_symbol+0x30/0x70
[  494.912936][ T7345]  ? __check_object_size+0x322/0x730
[  494.918447][ T7345]  netlink_sendmsg+0x939/0xe40
[  494.923264][ T7345]  ? netlink_unicast+0x810/0x810
[  494.928592][ T7345]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  494.934257][ T7345]  ? netlink_unicast+0x810/0x810
[  494.939401][ T7345]  __sock_sendmsg+0xd5/0x180
[  494.944278][ T7345]  ____sys_sendmsg+0x6ac/0x940
[  494.949161][ T7345]  ? copy_msghdr_from_user+0x10b/0x160
[  494.954747][ T7345]  ? kernel_sendmsg+0x50/0x50
[  494.959458][ T7345]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  494.965570][ T7345]  ___sys_sendmsg+0x135/0x1d0
[  494.970300][ T7345]  ? do_recvmmsg+0x740/0x740
[  494.974915][ T7345]  ? find_held_lock+0x2d/0x110
[  494.979899][ T7345]  ? preempt_count_sub+0x150/0x150
[  494.985055][ T7345]  ? __fget_light+0x1fa/0x260
[  494.990256][ T7345]  __sys_sendmsg+0x117/0x1e0
[  494.994968][ T7345]  ? __sys_sendmsg_sock+0x30/0x30
[  495.000235][ T7345]  ? syscall_enter_from_user_mode+0x26/0x80
[  495.006186][ T7345]  do_syscall_64+0x3f/0x110
[  495.010748][ T7345]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  495.017145][ T7345] RIP: 0033:0x7fa730b27eb9
[  495.021632][ T7345] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  495.042382][ T7345] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  495.051052][ T7345] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  495.059402][ T7345] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  495.067662][ T7345] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  495.075835][ T7345] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  495.084285][ T7345] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  495.092580][ T7345]  </TASK>
[  495.141074][ T7345] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  495.169795][ T7345] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000'
[  495.181169][ T7345] CPU: 0 PID: 7345 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  495.193642][ T7345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  495.203824][ T7345] Call Trace:
[  495.207390][ T7345]  <TASK>
[  495.210510][ T7345]  dump_stack_lvl+0x125/0x1b0
[  495.215325][ T7345]  sysfs_warn_dup+0x7f/0xa0
[  495.220047][ T7345]  sysfs_create_dir_ns+0x247/0x2a0
[  495.225289][ T7345]  ? sysfs_create_mount_point+0xb0/0xb0
[  495.231247][ T7345]  ? spin_bug+0x1c0/0x1c0
[  495.235711][ T7345]  ? net_namespace+0x12/0x40
[  495.240410][ T7345]  ? device_namespace+0x8d/0xc0
[  495.245515][ T7345]  kobject_add_internal+0x2c8/0x960
[  495.251054][ T7345]  kobject_add+0x16f/0x240
[  495.255788][ T7345]  ? kset_create_and_add+0x190/0x190
[  495.261210][ T7345]  ? do_raw_spin_unlock+0x172/0x230
[  495.267045][ T7345]  ? kobject_put+0xbe/0x440
[  495.271575][ T7345]  ? device_add+0xc35/0x1aa0
[  495.276469][ T7345]  device_add+0x289/0x1aa0
[  495.280900][ T7345]  ? device_initialize+0x510/0x510
[  495.286031][ T7345]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  495.292639][ T7345]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  495.299601][ T7345]  ? __init_waitqueue_head+0xca/0x150
[  495.305109][ T7345]  netdev_register_kobject+0x183/0x3f0
[  495.310679][ T7345]  register_netdevice+0xbdf/0x14a0
[  495.316452][ T7345]  ? lockdep_hardirqs_on+0x7c/0x100
[  495.321803][ T7345]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  495.328318][ T7345]  ? lapbeth_setup+0x170/0x170
[  495.333308][ T7345]  lapbeth_device_event+0x5b8/0xd40
[  495.338705][ T7345]  notifier_call_chain+0xb6/0x3c0
[  495.344360][ T7345]  ? lapbeth_xmit+0x290/0x290
[  495.349769][ T7345]  call_netdevice_notifiers_info+0xbe/0x130
[  495.356208][ T7345]  dev_open+0x13c/0x150
[  495.360550][ T7345]  ? __dev_open+0x4d0/0x4d0
[  495.365152][ T7345]  ? kasan_set_track+0x24/0x30
[  495.370389][ T7345]  ? rcu_is_watching+0x12/0xb0
[  495.375259][ T7345]  team_add_slave+0xb4b/0x2130
[  495.380331][ T7345]  ? team_uninit+0x1c0/0x1c0
[  495.385039][ T7345]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  495.391211][ T7345]  ? validate_linkmsg+0x6fc/0x9c0
[  495.396445][ T7345]  ? team_uninit+0x1c0/0x1c0
[  495.401226][ T7345]  do_set_master+0x1c1/0x220
[  495.405832][ T7345]  __rtnl_newlink+0x14e4/0x1930
[  495.410795][ T7345]  ? rtnl_link_unregister+0x260/0x260
[  495.416207][ T7345]  rtnl_newlink+0x67/0xa0
[  495.420763][ T7345]  ? __rtnl_newlink+0x1930/0x1930
[  495.426083][ T7345]  rtnetlink_rcv_msg+0x3c7/0xe00
[  495.431474][ T7345]  ? rtnl_getlink+0xb40/0xb40
[  495.436342][ T7345]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  495.442609][ T7345]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  495.449066][ T7345]  ? __lock_acquire+0xc97/0x5dc0
[  495.454646][ T7345]  netlink_rcv_skb+0x16b/0x440
[  495.459689][ T7345]  ? rtnl_getlink+0xb40/0xb40
[  495.464481][ T7345]  ? netlink_ack+0x1370/0x1370
[  495.469263][ T7345]  ? lock_sync+0x180/0x180
[  495.473973][ T7345]  ? netlink_deliver_tap+0x1a0/0xd00
[  495.479271][ T7345]  ? _copy_from_iter+0x2c1/0x10f0
[  495.484319][ T7345]  netlink_unicast+0x53b/0x810
[  495.489190][ T7345]  ? netlink_attachskb+0x870/0x870
[  495.494488][ T7345]  ? __phys_addr_symbol+0x30/0x70
[  495.499532][ T7345]  ? __check_object_size+0x322/0x730
[  495.505182][ T7345]  netlink_sendmsg+0x939/0xe40
[  495.510183][ T7345]  ? netlink_unicast+0x810/0x810
[  495.515188][ T7345]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  495.520868][ T7345]  ? netlink_unicast+0x810/0x810
[  495.525941][ T7345]  __sock_sendmsg+0xd5/0x180
[  495.530881][ T7345]  ____sys_sendmsg+0x6ac/0x940
[  495.535878][ T7345]  ? copy_msghdr_from_user+0x10b/0x160
[  495.541359][ T7345]  ? kernel_sendmsg+0x50/0x50
[  495.546053][ T7345]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  495.553403][ T7345]  ___sys_sendmsg+0x135/0x1d0
[  495.558210][ T7345]  ? do_recvmmsg+0x740/0x740
[  495.562832][ T7345]  ? find_held_lock+0x2d/0x110
[  495.567758][ T7345]  ? preempt_count_sub+0x150/0x150
[  495.572998][ T7345]  ? __fget_light+0x1fa/0x260
[  495.577824][ T7345]  __sys_sendmsg+0x117/0x1e0
[  495.582692][ T7345]  ? __sys_sendmsg_sock+0x30/0x30
[  495.587750][ T7345]  ? syscall_enter_from_user_mode+0x26/0x80
[  495.593660][ T7345]  do_syscall_64+0x3f/0x110
[  495.598271][ T7345]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  495.604360][ T7345] RIP: 0033:0x7fa730b27eb9
[  495.608961][ T7345] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  495.629504][ T7345] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  495.638129][ T7345] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  495.646286][ T7345] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  495.654801][ T7345] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  495.663047][ T7345] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  495.671212][ T7345] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  495.679230][ T7345]  </TASK>
[  495.710186][ T7345] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  495.737930][ T7345] 8021q: adding VLAN 0 to HW filter on device batadv97
[  495.768616][ T7345] team97: Port device batadv97 added
[  495.795518][ T7354] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  495.914157][ T7354] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000'
[  495.935733][ T7354] CPU: 1 PID: 7354 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  495.948072][ T7354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  495.958256][ T7354] Call Trace:
[  495.961668][ T7354]  <TASK>
[  495.964637][ T7354]  dump_stack_lvl+0x125/0x1b0
[  495.969406][ T7354]  sysfs_warn_dup+0x7f/0xa0
[  495.974042][ T7354]  sysfs_create_dir_ns+0x247/0x2a0
[  495.979409][ T7354]  ? sysfs_create_mount_point+0xb0/0xb0
[  495.985030][ T7354]  ? spin_bug+0x1c0/0x1c0
[  495.989430][ T7354]  ? net_namespace+0x12/0x40
[  495.994246][ T7354]  ? device_namespace+0x8d/0xc0
[  495.999244][ T7354]  kobject_add_internal+0x2c8/0x960
[  496.004609][ T7354]  kobject_add+0x16f/0x240
[  496.009311][ T7354]  ? kset_create_and_add+0x190/0x190
[  496.014838][ T7354]  ? do_raw_spin_unlock+0x172/0x230
[  496.020425][ T7354]  ? kobject_put+0xbe/0x440
[  496.025287][ T7354]  ? device_add+0xc35/0x1aa0
[  496.030098][ T7354]  device_add+0x289/0x1aa0
[  496.034651][ T7354]  ? device_initialize+0x510/0x510
[  496.040374][ T7354]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  496.046515][ T7354]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  496.053768][ T7354]  ? __init_waitqueue_head+0xca/0x150
[  496.059208][ T7354]  netdev_register_kobject+0x183/0x3f0
[  496.065433][ T7354]  register_netdevice+0xbdf/0x14a0
[  496.070605][ T7354]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  496.076917][ T7354]  ? alloc_netdev_mqs+0xee6/0x1290
[  496.082191][ T7354]  bpq_device_event+0x39e/0xaf0
[  496.087351][ T7354]  ? team_device_event+0x219/0x750
[  496.092602][ T7354]  notifier_call_chain+0xb6/0x3c0
[  496.097943][ T7354]  ? bpq_seq_stop+0xb0/0xb0
[  496.102528][ T7354]  call_netdevice_notifiers_info+0xbe/0x130
[  496.108570][ T7354]  dev_open+0x13c/0x150
[  496.112779][ T7354]  ? __dev_open+0x4d0/0x4d0
[  496.117508][ T7354]  ? kasan_set_track+0x24/0x30
[  496.122400][ T7354]  ? rcu_is_watching+0x12/0xb0
[  496.127198][ T7354]  team_add_slave+0xb4b/0x2130
[  496.132099][ T7354]  ? team_uninit+0x1c0/0x1c0
[  496.137000][ T7354]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  496.143061][ T7354]  ? validate_linkmsg+0x6fc/0x9c0
[  496.148235][ T7354]  ? team_uninit+0x1c0/0x1c0
[  496.152961][ T7354]  do_set_master+0x1c1/0x220
[  496.157586][ T7354]  __rtnl_newlink+0x14e4/0x1930
[  496.162501][ T7354]  ? rtnl_link_unregister+0x260/0x260
[  496.168066][ T7354]  rtnl_newlink+0x67/0xa0
[  496.172787][ T7354]  ? __rtnl_newlink+0x1930/0x1930
[  496.178379][ T7354]  rtnetlink_rcv_msg+0x3c7/0xe00
[  496.183870][ T7354]  ? rtnl_getlink+0xb40/0xb40
[  496.188585][ T7354]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  496.195390][ T7354]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  496.201397][ T7354]  ? __lock_acquire+0xc97/0x5dc0
[  496.206554][ T7354]  netlink_rcv_skb+0x16b/0x440
[  496.211348][ T7354]  ? rtnl_getlink+0xb40/0xb40
[  496.216154][ T7354]  ? netlink_ack+0x1370/0x1370
[  496.221135][ T7354]  ? lock_sync+0x180/0x180
[  496.225609][ T7354]  ? netlink_deliver_tap+0x1a0/0xd00
[  496.231009][ T7354]  ? _copy_from_iter+0x2c1/0x10f0
[  496.236168][ T7354]  netlink_unicast+0x53b/0x810
[  496.240954][ T7354]  ? netlink_attachskb+0x870/0x870
[  496.246088][ T7354]  ? __phys_addr_symbol+0x30/0x70
[  496.251274][ T7354]  ? __check_object_size+0x322/0x730
[  496.256687][ T7354]  netlink_sendmsg+0x939/0xe40
[  496.261756][ T7354]  ? netlink_unicast+0x810/0x810
[  496.267239][ T7354]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  496.272639][ T7354]  ? netlink_unicast+0x810/0x810
[  496.277688][ T7354]  __sock_sendmsg+0xd5/0x180
[  496.282493][ T7354]  ____sys_sendmsg+0x6ac/0x940
[  496.287270][ T7354]  ? copy_msghdr_from_user+0x10b/0x160
[  496.292750][ T7354]  ? kernel_sendmsg+0x50/0x50
[  496.297445][ T7354]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  496.303544][ T7354]  ___sys_sendmsg+0x135/0x1d0
[  496.308422][ T7354]  ? do_recvmmsg+0x740/0x740
[  496.313037][ T7354]  ? find_held_lock+0x2d/0x110
[  496.317833][ T7354]  ? preempt_count_sub+0x150/0x150
[  496.322981][ T7354]  ? __fget_light+0x1fa/0x260
[  496.327682][ T7354]  __sys_sendmsg+0x117/0x1e0
[  496.332313][ T7354]  ? __sys_sendmsg_sock+0x30/0x30
[  496.337419][ T7354]  ? syscall_enter_from_user_mode+0x26/0x80
[  496.343341][ T7354]  do_syscall_64+0x3f/0x110
[  496.347870][ T7354]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  496.353880][ T7354] RIP: 0033:0x7fa730b27eb9
[  496.358316][ T7354] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  496.378196][ T7354] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  496.386624][ T7354] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  496.394708][ T7354] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  496.402692][ T7354] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  496.410847][ T7354] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  496.418927][ T7354] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  496.426944][ T7354]  </TASK>
[  496.552062][ T7354] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  496.569884][ T7354] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000'
[  496.579947][ T7354] CPU: 1 PID: 7354 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  496.591538][ T7354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  496.601730][ T7354] Call Trace:
[  496.605136][ T7354]  <TASK>
[  496.608089][ T7354]  dump_stack_lvl+0x125/0x1b0
[  496.613251][ T7354]  sysfs_warn_dup+0x7f/0xa0
[  496.617972][ T7354]  sysfs_create_dir_ns+0x247/0x2a0
[  496.623163][ T7354]  ? sysfs_create_mount_point+0xb0/0xb0
[  496.629088][ T7354]  ? spin_bug+0x1c0/0x1c0
[  496.633458][ T7354]  ? net_namespace+0x12/0x40
[  496.638077][ T7354]  ? device_namespace+0x8d/0xc0
[  496.642972][ T7354]  kobject_add_internal+0x2c8/0x960
[  496.648308][ T7354]  kobject_add+0x16f/0x240
[  496.652886][ T7354]  ? kset_create_and_add+0x190/0x190
[  496.658328][ T7354]  ? do_raw_spin_unlock+0x172/0x230
[  496.663761][ T7354]  ? kobject_put+0xbe/0x440
[  496.668493][ T7354]  ? device_add+0xc35/0x1aa0
[  496.673673][ T7354]  device_add+0x289/0x1aa0
[  496.678134][ T7354]  ? device_initialize+0x510/0x510
[  496.683369][ T7354]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  496.689411][ T7354]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  496.696422][ T7354]  ? __init_waitqueue_head+0xca/0x150
[  496.701852][ T7354]  netdev_register_kobject+0x183/0x3f0
[  496.707360][ T7354]  register_netdevice+0xbdf/0x14a0
[  496.712662][ T7354]  ? lockdep_hardirqs_on+0x7c/0x100
[  496.718173][ T7354]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  496.724314][ T7354]  ? lapbeth_setup+0x170/0x170
[  496.729408][ T7354]  lapbeth_device_event+0x5b8/0xd40
[  496.735146][ T7354]  notifier_call_chain+0xb6/0x3c0
[  496.745434][ T7354]  ? lapbeth_xmit+0x290/0x290
[  496.750180][ T7354]  call_netdevice_notifiers_info+0xbe/0x130
[  496.756471][ T7354]  dev_open+0x13c/0x150
[  496.760748][ T7354]  ? __dev_open+0x4d0/0x4d0
[  496.765280][ T7354]  ? kasan_set_track+0x24/0x30
[  496.770104][ T7354]  ? rcu_is_watching+0x12/0xb0
[  496.774931][ T7354]  team_add_slave+0xb4b/0x2130
[  496.780365][ T7354]  ? team_uninit+0x1c0/0x1c0
[  496.785080][ T7354]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  496.791003][ T7354]  ? validate_linkmsg+0x6fc/0x9c0
[  496.796285][ T7354]  ? team_uninit+0x1c0/0x1c0
[  496.801085][ T7354]  do_set_master+0x1c1/0x220
[  496.805714][ T7354]  __rtnl_newlink+0x14e4/0x1930
[  496.810781][ T7354]  ? rtnl_link_unregister+0x260/0x260
[  496.816661][ T7354]  rtnl_newlink+0x67/0xa0
[  496.821195][ T7354]  ? __rtnl_newlink+0x1930/0x1930
[  496.826509][ T7354]  rtnetlink_rcv_msg+0x3c7/0xe00
[  496.831477][ T7354]  ? rtnl_getlink+0xb40/0xb40
[  496.836197][ T7354]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  496.842395][ T7354]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  496.848586][ T7354]  ? __lock_acquire+0xc97/0x5dc0
[  496.853611][ T7354]  netlink_rcv_skb+0x16b/0x440
[  496.858498][ T7354]  ? rtnl_getlink+0xb40/0xb40
[  496.863302][ T7354]  ? netlink_ack+0x1370/0x1370
[  496.868094][ T7354]  ? lock_sync+0x180/0x180
[  496.872790][ T7354]  ? netlink_deliver_tap+0x1a0/0xd00
[  496.878216][ T7354]  ? _copy_from_iter+0x2c1/0x10f0
[  496.883465][ T7354]  netlink_unicast+0x53b/0x810
[  496.888354][ T7354]  ? netlink_attachskb+0x870/0x870
[  496.893498][ T7354]  ? __phys_addr_symbol+0x30/0x70
[  496.898702][ T7354]  ? __check_object_size+0x322/0x730
[  496.904109][ T7354]  netlink_sendmsg+0x939/0xe40
[  496.909550][ T7354]  ? netlink_unicast+0x810/0x810
[  496.914644][ T7354]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  496.920079][ T7354]  ? netlink_unicast+0x810/0x810
[  496.925248][ T7354]  __sock_sendmsg+0xd5/0x180
[  496.930143][ T7354]  ____sys_sendmsg+0x6ac/0x940
[  496.935217][ T7354]  ? copy_msghdr_from_user+0x10b/0x160
[  496.941078][ T7354]  ? kernel_sendmsg+0x50/0x50
[  496.946413][ T7354]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  496.952986][ T7354]  ___sys_sendmsg+0x135/0x1d0
[  496.957709][ T7354]  ? do_recvmmsg+0x740/0x740
[  496.962427][ T7354]  ? find_held_lock+0x2d/0x110
[  496.967515][ T7354]  ? preempt_count_sub+0x150/0x150
[  496.972938][ T7354]  ? __fget_light+0x1fa/0x260
[  496.977794][ T7354]  __sys_sendmsg+0x117/0x1e0
[  496.982504][ T7354]  ? __sys_sendmsg_sock+0x30/0x30
[  496.987579][ T7354]  ? syscall_enter_from_user_mode+0x26/0x80
[  496.994031][ T7354]  do_syscall_64+0x3f/0x110
[  496.999128][ T7354]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  497.005431][ T7354] RIP: 0033:0x7fa730b27eb9
[  497.010256][ T7354] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  497.031791][ T7354] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  497.043816][ T7354] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  497.052724][ T7354] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  497.061120][ T7354] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  497.070787][ T7354] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  497.080305][ T7354] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  497.088983][ T7354]  </TASK>
[  497.096035][ T7354] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  497.121015][ T7354] 8021q: adding VLAN 0 to HW filter on device batadv98
[  497.135915][ T7354] team98: Port device batadv98 added
[  497.147665][ T4736] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000'
[  497.161907][ T4736] CPU: 1 PID: 4736 Comm: dhcpcd Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  497.172838][ T4736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  497.183040][ T4736] Call Trace:
[  497.186532][ T4736]  <TASK>
[  497.189495][ T4736]  dump_stack_lvl+0x125/0x1b0
[  497.194519][ T4736]  sysfs_warn_dup+0x7f/0xa0
[  497.199167][ T4736]  sysfs_create_dir_ns+0x247/0x2a0
[  497.204355][ T4736]  ? sysfs_create_mount_point+0xb0/0xb0
[  497.210401][ T4736]  ? spin_bug+0x1c0/0x1c0
[  497.214866][ T4736]  ? net_namespace+0x12/0x40
[  497.220167][ T4736]  ? device_namespace+0x8d/0xc0
[  497.225057][ T4736]  kobject_add_internal+0x2c8/0x960
[  497.230480][ T4736]  kobject_add+0x16f/0x240
[  497.235182][ T4736]  ? kset_create_and_add+0x190/0x190
[  497.240711][ T4736]  ? do_raw_spin_unlock+0x172/0x230
[  497.245962][ T4736]  ? kobject_put+0xbe/0x440
[  497.251246][ T4736]  ? device_add+0xc35/0x1aa0
[  497.256292][ T4736]  device_add+0x289/0x1aa0
[  497.260823][ T4736]  ? device_initialize+0x510/0x510
[  497.266217][ T4736]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  497.272605][ T4736]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  497.279829][ T4736]  ? __init_waitqueue_head+0xca/0x150
[  497.285467][ T4736]  netdev_register_kobject+0x183/0x3f0
[  497.290993][ T4736]  register_netdevice+0xbdf/0x14a0
[  497.296247][ T4736]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  497.302550][ T4736]  ? alloc_netdev_mqs+0xee6/0x1290
[  497.307781][ T4736]  bpq_device_event+0x39e/0xaf0
[  497.312918][ T4736]  ? team_device_event+0x219/0x750
[  497.318068][ T4736]  notifier_call_chain+0xb6/0x3c0
[  497.323237][ T4736]  ? bpq_seq_stop+0xb0/0xb0
[  497.327792][ T4736]  call_netdevice_notifiers_info+0xbe/0x130
[  497.333722][ T4736]  __dev_notify_flags+0x12d/0x2e0
[  497.339226][ T4736]  ? dev_change_name+0x800/0x800
[  497.344264][ T4736]  ? dev_set_allmulti+0x30/0x30
[  497.349266][ T4736]  dev_change_flags+0x122/0x170
[  497.354313][ T4736]  devinet_ioctl+0x13ef/0x1f00
[  497.359473][ T4736]  ? inet_ifa_byprefix+0x2d0/0x2d0
[  497.364949][ T4736]  ? _copy_from_user+0x5d/0xf0
[  497.370172][ T4736]  inet_ioctl+0x3a6/0x3f0
[  497.374620][ T4736]  ? find_held_lock+0x2d/0x110
[  497.379578][ T4736]  ? ipip_gro_complete+0x140/0x140
[  497.384881][ T4736]  ? tomoyo_path_number_perm+0x28e/0x580
[  497.390916][ T4736]  ? tomoyo_path_number_perm+0x463/0x580
[  497.396769][ T4736]  ? __kmem_cache_free+0xc0/0x180
[  497.401830][ T4736]  ? tomoyo_execute_permission+0x4a0/0x4a0
[  497.407689][ T4736]  ? lockdep_hardirqs_on+0x7c/0x100
[  497.413028][ T4736]  sock_do_ioctl+0x113/0x270
[  497.417743][ T4736]  ? put_user_ifreq+0x130/0x130
[  497.422630][ T4736]  ? do_vfs_ioctl+0x379/0x1920
[  497.427850][ T4736]  ? vfs_fileattr_set+0xbf0/0xbf0
[  497.432905][ T4736]  sock_ioctl+0x22e/0x6b0
[  497.437400][ T4736]  ? br_ioctl_call+0xb0/0xb0
[  497.442101][ T4736]  ? __sys_socket+0xad/0x260
[  497.447163][ T4736]  ? bpf_lsm_file_ioctl+0x9/0x10
[  497.452206][ T4736]  ? br_ioctl_call+0xb0/0xb0
[  497.457070][ T4736]  __x64_sys_ioctl+0x18f/0x210
[  497.461943][ T4736]  do_syscall_64+0x3f/0x110
[  497.466665][ T4736]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  497.472712][ T4736] RIP: 0033:0x7f25075f2d49
[  497.477241][ T4736] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8
[  497.499297][ T4736] RSP: 002b:00007fff865bddb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  497.507815][ T4736] RAX: ffffffffffffffda RBX: 00007f25075246c0 RCX: 00007f25075f2d49
[  497.515800][ T4736] RDX: 00007fff865cdfa8 RSI: 0000000000008914 RDI: 0000000000000013
[  497.523883][ T4736] RBP: 00007fff865de168 R08: 00007fff865cdf68 R09: 00007fff865cdf18
[  497.532311][ T4736] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  497.540296][ T4736] R13: 00007fff865cdfa8 R14: 0000000000000028 R15: 0000000000008914
[  497.548468][ T4736]  </TASK>
[  497.560955][ T4736] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  497.577311][ T4736] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000'
[  497.586731][ T4736] CPU: 0 PID: 4736 Comm: dhcpcd Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  497.597395][ T4736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  497.609412][ T4736] Call Trace:
[  497.612722][ T4736]  <TASK>
[  497.615688][ T4736]  dump_stack_lvl+0x125/0x1b0
[  497.620867][ T4736]  sysfs_warn_dup+0x7f/0xa0
[  497.625400][ T4736]  sysfs_create_dir_ns+0x247/0x2a0
[  497.630728][ T4736]  ? sysfs_create_mount_point+0xb0/0xb0
[  497.636476][ T4736]  ? spin_bug+0x1c0/0x1c0
[  497.641015][ T4736]  ? net_namespace+0x12/0x40
[  497.645638][ T4736]  ? device_namespace+0x8d/0xc0
[  497.650532][ T4736]  kobject_add_internal+0x2c8/0x960
[  497.655781][ T4736]  kobject_add+0x16f/0x240
[  497.660285][ T4736]  ? kset_create_and_add+0x190/0x190
[  497.665612][ T4736]  ? do_raw_spin_unlock+0x172/0x230
[  497.671024][ T4736]  ? kobject_put+0xbe/0x440
[  497.675652][ T4736]  ? device_add+0xc35/0x1aa0
[  497.680273][ T4736]  device_add+0x289/0x1aa0
[  497.684923][ T4736]  ? device_initialize+0x510/0x510
[  497.690234][ T4736]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  497.696515][ T4736]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  497.703449][ T4736]  ? __init_waitqueue_head+0xca/0x150
[  497.708867][ T4736]  netdev_register_kobject+0x183/0x3f0
[  497.714369][ T4736]  register_netdevice+0xbdf/0x14a0
[  497.719778][ T4736]  ? lockdep_hardirqs_on+0x7c/0x100
[  497.725004][ T4736]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  497.731100][ T4736]  ? lapbeth_setup+0x170/0x170
[  497.735996][ T4736]  lapbeth_device_event+0x5b8/0xd40
[  497.741322][ T4736]  notifier_call_chain+0xb6/0x3c0
[  497.746391][ T4736]  ? lapbeth_xmit+0x290/0x290
[  497.751205][ T4736]  call_netdevice_notifiers_info+0xbe/0x130
[  497.757142][ T4736]  __dev_notify_flags+0x12d/0x2e0
[  497.762363][ T4736]  ? dev_change_name+0x800/0x800
[  497.767335][ T4736]  ? dev_set_allmulti+0x30/0x30
[  497.772661][ T4736]  dev_change_flags+0x122/0x170
[  497.777717][ T4736]  devinet_ioctl+0x13ef/0x1f00
[  497.782627][ T4736]  ? inet_ifa_byprefix+0x2d0/0x2d0
[  497.787854][ T4736]  ? _copy_from_user+0x5d/0xf0
[  497.792652][ T4736]  inet_ioctl+0x3a6/0x3f0
[  497.797096][ T4736]  ? find_held_lock+0x2d/0x110
[  497.801978][ T4736]  ? ipip_gro_complete+0x140/0x140
[  497.807285][ T4736]  ? tomoyo_path_number_perm+0x28e/0x580
[  497.812965][ T4736]  ? tomoyo_path_number_perm+0x463/0x580
[  497.818726][ T4736]  ? __kmem_cache_free+0xc0/0x180
[  497.823804][ T4736]  ? tomoyo_execute_permission+0x4a0/0x4a0
[  497.829726][ T4736]  ? lockdep_hardirqs_on+0x7c/0x100
[  497.835046][ T4736]  sock_do_ioctl+0x113/0x270
[  497.839773][ T4736]  ? put_user_ifreq+0x130/0x130
[  497.844737][ T4736]  ? do_vfs_ioctl+0x379/0x1920
[  497.849683][ T4736]  ? vfs_fileattr_set+0xbf0/0xbf0
[  497.855121][ T4736]  sock_ioctl+0x22e/0x6b0
[  497.860008][ T4736]  ? br_ioctl_call+0xb0/0xb0
[  497.864659][ T4736]  ? __sys_socket+0xad/0x260
[  497.869286][ T4736]  ? bpf_lsm_file_ioctl+0x9/0x10
[  497.874351][ T4736]  ? br_ioctl_call+0xb0/0xb0
[  497.879065][ T4736]  __x64_sys_ioctl+0x18f/0x210
[  497.883875][ T4736]  do_syscall_64+0x3f/0x110
[  497.888470][ T4736]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  497.894497][ T4736] RIP: 0033:0x7f25075f2d49
[  497.899030][ T4736] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8
[  497.920506][ T4736] RSP: 002b:00007fff865bddb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  497.929147][ T4736] RAX: ffffffffffffffda RBX: 00007f25075246c0 RCX: 00007f25075f2d49
[  497.937336][ T4736] RDX: 00007fff865cdfa8 RSI: 0000000000008914 RDI: 0000000000000013
[  497.945691][ T4736] RBP: 00007fff865de168 R08: 00007fff865cdf68 R09: 00007fff865cdf18
[  497.953992][ T4736] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  497.962339][ T4736] R13: 00007fff865cdfa8 R14: 0000000000000028 R15: 0000000000008914
[  497.971408][ T4736]  </TASK>
[  497.976727][ T4736] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  497.995911][ T4736] 8021q: adding VLAN 0 to HW filter on device team0
[  498.003746][ T7360] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  498.160472][ T7360] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000'
[  498.171206][ T7360] CPU: 1 PID: 7360 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  498.183074][ T7360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  498.193441][ T7360] Call Trace:
[  498.197439][ T7360]  <TASK>
[  498.200658][ T7360]  dump_stack_lvl+0x125/0x1b0
[  498.205570][ T7360]  sysfs_warn_dup+0x7f/0xa0
[  498.210654][ T7360]  sysfs_create_dir_ns+0x247/0x2a0
[  498.215993][ T7360]  ? sysfs_create_mount_point+0xb0/0xb0
[  498.222020][ T7360]  ? spin_bug+0x1c0/0x1c0
[  498.226558][ T7360]  ? net_namespace+0x12/0x40
[  498.231694][ T7360]  ? device_namespace+0x8d/0xc0
[  498.236682][ T7360]  kobject_add_internal+0x2c8/0x960
[  498.241940][ T7360]  kobject_add+0x16f/0x240
[  498.246705][ T7360]  ? kset_create_and_add+0x190/0x190
[  498.252138][ T7360]  ? do_raw_spin_unlock+0x172/0x230
[  498.258000][ T7360]  ? kobject_put+0xbe/0x440
[  498.262740][ T7360]  ? device_add+0xc35/0x1aa0
[  498.267739][ T7360]  device_add+0x289/0x1aa0
[  498.272742][ T7360]  ? device_initialize+0x510/0x510
[  498.278065][ T7360]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  498.283912][ T7360]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  498.290981][ T7360]  ? __init_waitqueue_head+0xca/0x150
[  498.296494][ T7360]  netdev_register_kobject+0x183/0x3f0
[  498.301996][ T7360]  register_netdevice+0xbdf/0x14a0
[  498.307236][ T7360]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  498.313211][ T7360]  ? alloc_netdev_mqs+0xee6/0x1290
[  498.318549][ T7360]  bpq_device_event+0x39e/0xaf0
[  498.323442][ T7360]  ? team_device_event+0x219/0x750
[  498.328770][ T7360]  notifier_call_chain+0xb6/0x3c0
[  498.334196][ T7360]  ? bpq_seq_stop+0xb0/0xb0
[  498.339105][ T7360]  call_netdevice_notifiers_info+0xbe/0x130
[  498.345162][ T7360]  dev_open+0x13c/0x150
[  498.349380][ T7360]  ? __dev_open+0x4d0/0x4d0
[  498.354001][ T7360]  ? kasan_set_track+0x24/0x30
[  498.358817][ T7360]  ? rcu_is_watching+0x12/0xb0
[  498.363633][ T7360]  team_add_slave+0xb4b/0x2130
[  498.368539][ T7360]  ? team_uninit+0x1c0/0x1c0
[  498.373259][ T7360]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  498.379276][ T7360]  ? validate_linkmsg+0x6fc/0x9c0
[  498.384383][ T7360]  ? team_uninit+0x1c0/0x1c0
[  498.389213][ T7360]  do_set_master+0x1c1/0x220
[  498.393940][ T7360]  __rtnl_newlink+0x14e4/0x1930
[  498.398856][ T7360]  ? rtnl_link_unregister+0x260/0x260
[  498.404309][ T7360]  rtnl_newlink+0x67/0xa0
[  498.408759][ T7360]  ? __rtnl_newlink+0x1930/0x1930
[  498.413815][ T7360]  rtnetlink_rcv_msg+0x3c7/0xe00
[  498.418874][ T7360]  ? rtnl_getlink+0xb40/0xb40
[  498.423680][ T7360]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  498.429903][ T7360]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  498.436054][ T7360]  ? __lock_acquire+0xc97/0x5dc0
[  498.441623][ T7360]  netlink_rcv_skb+0x16b/0x440
[  498.446449][ T7360]  ? rtnl_getlink+0xb40/0xb40
[  498.451505][ T7360]  ? netlink_ack+0x1370/0x1370
[  498.456397][ T7360]  ? lock_sync+0x180/0x180
[  498.461152][ T7360]  ? netlink_deliver_tap+0x1a0/0xd00
[  498.466907][ T7360]  ? _copy_from_iter+0x2c1/0x10f0
[  498.472035][ T7360]  netlink_unicast+0x53b/0x810
[  498.476942][ T7360]  ? netlink_attachskb+0x870/0x870
[  498.482195][ T7360]  ? __phys_addr_symbol+0x30/0x70
[  498.487543][ T7360]  ? __check_object_size+0x322/0x730
[  498.493195][ T7360]  netlink_sendmsg+0x939/0xe40
[  498.498091][ T7360]  ? netlink_unicast+0x810/0x810
[  498.503282][ T7360]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  498.508649][ T7360]  ? netlink_unicast+0x810/0x810
[  498.513817][ T7360]  __sock_sendmsg+0xd5/0x180
[  498.519168][ T7360]  ____sys_sendmsg+0x6ac/0x940
[  498.524051][ T7360]  ? copy_msghdr_from_user+0x10b/0x160
[  498.529816][ T7360]  ? kernel_sendmsg+0x50/0x50
[  498.535076][ T7360]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  498.541376][ T7360]  ___sys_sendmsg+0x135/0x1d0
[  498.546265][ T7360]  ? do_recvmmsg+0x740/0x740
[  498.550970][ T7360]  ? find_held_lock+0x2d/0x110
[  498.555868][ T7360]  ? preempt_count_sub+0x150/0x150
[  498.561021][ T7360]  ? __fget_light+0x1fa/0x260
[  498.565745][ T7360]  __sys_sendmsg+0x117/0x1e0
[  498.570539][ T7360]  ? __sys_sendmsg_sock+0x30/0x30
[  498.576585][ T7360]  ? syscall_enter_from_user_mode+0x26/0x80
[  498.582959][ T7360]  do_syscall_64+0x3f/0x110
[  498.587588][ T7360]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  498.593839][ T7360] RIP: 0033:0x7fa730b27eb9
[  498.598539][ T7360] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  498.618477][ T7360] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  498.627289][ T7360] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  498.635383][ T7360] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  498.643771][ T7360] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  498.651955][ T7360] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  498.659958][ T7360] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  498.668071][ T7360]  </TASK>
[  498.689226][ T7360] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  498.707777][ T7360] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000'
[  498.718034][ T7360] CPU: 1 PID: 7360 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  498.730079][ T7360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  498.740698][ T7360] Call Trace:
[  498.744203][ T7360]  <TASK>
[  498.747347][ T7360]  dump_stack_lvl+0x125/0x1b0
[  498.752145][ T7360]  sysfs_warn_dup+0x7f/0xa0
[  498.756796][ T7360]  sysfs_create_dir_ns+0x247/0x2a0
[  498.762168][ T7360]  ? sysfs_create_mount_point+0xb0/0xb0
[  498.767757][ T7360]  ? spin_bug+0x1c0/0x1c0
[  498.772213][ T7360]  ? net_namespace+0x12/0x40
[  498.776830][ T7360]  ? device_namespace+0x8d/0xc0
[  498.782264][ T7360]  kobject_add_internal+0x2c8/0x960
[  498.787519][ T7360]  kobject_add+0x16f/0x240
[  498.792212][ T7360]  ? kset_create_and_add+0x190/0x190
[  498.797802][ T7360]  ? do_raw_spin_unlock+0x172/0x230
[  498.803132][ T7360]  ? kobject_put+0xbe/0x440
[  498.811162][ T7360]  ? device_add+0xc35/0x1aa0
[  498.815805][ T7360]  device_add+0x289/0x1aa0
[  498.820378][ T7360]  ? device_initialize+0x510/0x510
[  498.825698][ T7360]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  498.831653][ T7360]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  498.838643][ T7360]  ? __init_waitqueue_head+0xca/0x150
[  498.845207][ T7360]  netdev_register_kobject+0x183/0x3f0
[  498.850720][ T7360]  register_netdevice+0xbdf/0x14a0
[  498.856057][ T7360]  ? lockdep_hardirqs_on+0x7c/0x100
[  498.861465][ T7360]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  498.867831][ T7360]  ? lapbeth_setup+0x170/0x170
[  498.872655][ T7360]  lapbeth_device_event+0x5b8/0xd40
[  498.878403][ T7360]  notifier_call_chain+0xb6/0x3c0
[  498.883666][ T7360]  ? lapbeth_xmit+0x290/0x290
[  498.888389][ T7360]  call_netdevice_notifiers_info+0xbe/0x130
[  498.894506][ T7360]  dev_open+0x13c/0x150
[  498.898694][ T7360]  ? __dev_open+0x4d0/0x4d0
[  498.903244][ T7360]  ? kasan_set_track+0x24/0x30
[  498.908049][ T7360]  ? rcu_is_watching+0x12/0xb0
[  498.912853][ T7360]  team_add_slave+0xb4b/0x2130
[  498.917667][ T7360]  ? team_uninit+0x1c0/0x1c0
[  498.922689][ T7360]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  498.928806][ T7360]  ? validate_linkmsg+0x6fc/0x9c0
[  498.934146][ T7360]  ? team_uninit+0x1c0/0x1c0
[  498.938954][ T7360]  do_set_master+0x1c1/0x220
[  498.943663][ T7360]  __rtnl_newlink+0x14e4/0x1930
[  498.948735][ T7360]  ? rtnl_link_unregister+0x260/0x260
[  498.954180][ T7360]  rtnl_newlink+0x67/0xa0
[  498.958539][ T7360]  ? __rtnl_newlink+0x1930/0x1930
[  498.963607][ T7360]  rtnetlink_rcv_msg+0x3c7/0xe00
[  498.968942][ T7360]  ? rtnl_getlink+0xb40/0xb40
[  498.973668][ T7360]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  498.979889][ T7360]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  498.986054][ T7360]  ? __lock_acquire+0xc97/0x5dc0
[  498.991248][ T7360]  netlink_rcv_skb+0x16b/0x440
[  498.996154][ T7360]  ? rtnl_getlink+0xb40/0xb40
[  499.000989][ T7360]  ? netlink_ack+0x1370/0x1370
[  499.006020][ T7360]  ? lock_sync+0x180/0x180
[  499.010884][ T7360]  ? netlink_deliver_tap+0x1a0/0xd00
[  499.016311][ T7360]  ? _copy_from_iter+0x2c1/0x10f0
[  499.021598][ T7360]  netlink_unicast+0x53b/0x810
[  499.026516][ T7360]  ? netlink_attachskb+0x870/0x870
[  499.031675][ T7360]  ? __phys_addr_symbol+0x30/0x70
[  499.037100][ T7360]  ? __check_object_size+0x322/0x730
[  499.042600][ T7360]  netlink_sendmsg+0x939/0xe40
[  499.047770][ T7360]  ? netlink_unicast+0x810/0x810
[  499.052839][ T7360]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  499.058330][ T7360]  ? netlink_unicast+0x810/0x810
[  499.063393][ T7360]  __sock_sendmsg+0xd5/0x180
[  499.068188][ T7360]  ____sys_sendmsg+0x6ac/0x940
[  499.073064][ T7360]  ? copy_msghdr_from_user+0x10b/0x160
[  499.078735][ T7360]  ? kernel_sendmsg+0x50/0x50
[  499.083886][ T7360]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  499.089914][ T7360]  ___sys_sendmsg+0x135/0x1d0
[  499.094632][ T7360]  ? do_recvmmsg+0x740/0x740
[  499.099245][ T7360]  ? find_held_lock+0x2d/0x110
[  499.104054][ T7360]  ? preempt_count_sub+0x150/0x150
[  499.109213][ T7360]  ? __fget_light+0x1fa/0x260
[  499.114040][ T7360]  __sys_sendmsg+0x117/0x1e0
[  499.118834][ T7360]  ? __sys_sendmsg_sock+0x30/0x30
[  499.124267][ T7360]  ? syscall_enter_from_user_mode+0x26/0x80
[  499.130282][ T7360]  do_syscall_64+0x3f/0x110
[  499.134817][ T7360]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  499.140747][ T7360] RIP: 0033:0x7fa730b27eb9
[  499.145209][ T7360] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  499.165897][ T7360] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  499.176529][ T7360] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  499.184966][ T7360] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  499.193169][ T7360] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  499.201316][ T7360] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  499.209451][ T7360] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  499.217770][ T7360]  </TASK>
[  499.263297][ T7360] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  499.311001][ T7360] 8021q: adding VLAN 0 to HW filter on device batadv99
[  499.333306][ T7360] team99: Port device batadv99 added
[  499.363786][ T7374] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  499.515228][ T7374] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000'
[  499.535749][ T7374] CPU: 1 PID: 7374 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  499.548174][ T7374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  499.559055][ T7374] Call Trace:
[  499.563275][ T7374]  <TASK>
[  499.566238][ T7374]  dump_stack_lvl+0x125/0x1b0
[  499.571668][ T7374]  sysfs_warn_dup+0x7f/0xa0
[  499.576228][ T7374]  sysfs_create_dir_ns+0x247/0x2a0
[  499.582093][ T7374]  ? sysfs_create_mount_point+0xb0/0xb0
[  499.588064][ T7374]  ? spin_bug+0x1c0/0x1c0
[  499.592775][ T7374]  ? net_namespace+0x12/0x40
[  499.597707][ T7374]  ? device_namespace+0x8d/0xc0
[  499.602775][ T7374]  kobject_add_internal+0x2c8/0x960
[  499.608280][ T7374]  kobject_add+0x16f/0x240
[  499.613007][ T7374]  ? kset_create_and_add+0x190/0x190
[  499.618451][ T7374]  ? do_raw_spin_unlock+0x172/0x230
[  499.623685][ T7374]  ? kobject_put+0xbe/0x440
[  499.628314][ T7374]  ? device_add+0xc35/0x1aa0
[  499.633543][ T7374]  device_add+0x289/0x1aa0
[  499.637981][ T7374]  ? device_initialize+0x510/0x510
[  499.643391][ T7374]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  499.650030][ T7374]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  499.657267][ T7374]  ? __init_waitqueue_head+0xca/0x150
[  499.663521][ T7374]  netdev_register_kobject+0x183/0x3f0
[  499.669332][ T7374]  register_netdevice+0xbdf/0x14a0
[  499.674776][ T7374]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  499.680995][ T7374]  ? alloc_netdev_mqs+0xee6/0x1290
[  499.686424][ T7374]  bpq_device_event+0x39e/0xaf0
[  499.691583][ T7374]  ? team_device_event+0x219/0x750
[  499.696840][ T7374]  notifier_call_chain+0xb6/0x3c0
[  499.701955][ T7374]  ? bpq_seq_stop+0xb0/0xb0
[  499.706588][ T7374]  call_netdevice_notifiers_info+0xbe/0x130
[  499.713815][ T7374]  dev_open+0x13c/0x150
[  499.718425][ T7374]  ? __dev_open+0x4d0/0x4d0
[  499.723205][ T7374]  ? kasan_set_track+0x24/0x30
[  499.727990][ T7374]  ? rcu_is_watching+0x12/0xb0
[  499.732958][ T7374]  team_add_slave+0xb4b/0x2130
[  499.737771][ T7374]  ? team_uninit+0x1c0/0x1c0
[  499.742578][ T7374]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  499.748584][ T7374]  ? validate_linkmsg+0x6fc/0x9c0
[  499.753745][ T7374]  ? team_uninit+0x1c0/0x1c0
[  499.759018][ T7374]  do_set_master+0x1c1/0x220
[  499.763667][ T7374]  __rtnl_newlink+0x14e4/0x1930
[  499.768569][ T7374]  ? rtnl_link_unregister+0x260/0x260
[  499.774636][ T7374]  rtnl_newlink+0x67/0xa0
[  499.779035][ T7374]  ? __rtnl_newlink+0x1930/0x1930
[  499.784203][ T7374]  rtnetlink_rcv_msg+0x3c7/0xe00
[  499.790514][ T7374]  ? rtnl_getlink+0xb40/0xb40
[  499.795558][ T7374]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  499.801781][ T7374]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  499.808262][ T7374]  ? __lock_acquire+0xc97/0x5dc0
[  499.813258][ T7374]  netlink_rcv_skb+0x16b/0x440
[  499.818448][ T7374]  ? rtnl_getlink+0xb40/0xb40
[  499.823599][ T7374]  ? netlink_ack+0x1370/0x1370
[  499.828942][ T7374]  ? lock_sync+0x180/0x180
[  499.833624][ T7374]  ? netlink_deliver_tap+0x1a0/0xd00
[  499.839558][ T7374]  ? _copy_from_iter+0x2c1/0x10f0
[  499.844826][ T7374]  netlink_unicast+0x53b/0x810
[  499.849994][ T7374]  ? netlink_attachskb+0x870/0x870
[  499.855188][ T7374]  ? __phys_addr_symbol+0x30/0x70
[  499.860447][ T7374]  ? __check_object_size+0x322/0x730
[  499.866036][ T7374]  netlink_sendmsg+0x939/0xe40
[  499.871115][ T7374]  ? netlink_unicast+0x810/0x810
[  499.876467][ T7374]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  499.882327][ T7374]  ? netlink_unicast+0x810/0x810
[  499.887656][ T7374]  __sock_sendmsg+0xd5/0x180
[  499.892718][ T7374]  ____sys_sendmsg+0x6ac/0x940
[  499.898055][ T7374]  ? copy_msghdr_from_user+0x10b/0x160
[  499.904033][ T7374]  ? kernel_sendmsg+0x50/0x50
[  499.909052][ T7374]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  499.916615][ T7374]  ___sys_sendmsg+0x135/0x1d0
[  499.922311][ T7374]  ? do_recvmmsg+0x740/0x740
[  499.927831][ T7374]  ? find_held_lock+0x2d/0x110
[  499.932765][ T7374]  ? preempt_count_sub+0x150/0x150
[  499.938502][ T7374]  ? __fget_light+0x1fa/0x260
[  499.943518][ T7374]  __sys_sendmsg+0x117/0x1e0
[  499.948778][ T7374]  ? __sys_sendmsg_sock+0x30/0x30
[  499.953955][ T7374]  ? syscall_enter_from_user_mode+0x26/0x80
[  499.960314][ T7374]  do_syscall_64+0x3f/0x110
[  499.965104][ T7374]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  499.971286][ T7374] RIP: 0033:0x7fa730b27eb9
[  499.976583][ T7374] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  499.998416][ T7374] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  500.006948][ T7374] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  500.015879][ T7374] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  500.024494][ T7374] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  500.032656][ T7374] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  500.041281][ T7374] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  500.049389][ T7374]  </TASK>
[  500.070433][ T7374] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  500.090470][ T7374] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000'
[  500.100636][ T7374] CPU: 1 PID: 7374 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  500.112094][ T7374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  500.122626][ T7374] Call Trace:
[  500.126019][ T7374]  <TASK>
[  500.129073][ T7374]  dump_stack_lvl+0x125/0x1b0
[  500.134031][ T7374]  sysfs_warn_dup+0x7f/0xa0
[  500.139392][ T7374]  sysfs_create_dir_ns+0x247/0x2a0
[  500.145007][ T7374]  ? sysfs_create_mount_point+0xb0/0xb0
[  500.150611][ T7374]  ? spin_bug+0x1c0/0x1c0
[  500.155447][ T7374]  ? net_namespace+0x12/0x40
[  500.160891][ T7374]  ? device_namespace+0x8d/0xc0
[  500.167285][ T7374]  kobject_add_internal+0x2c8/0x960
[  500.173230][ T7374]  kobject_add+0x16f/0x240
[  500.178043][ T7374]  ? kset_create_and_add+0x190/0x190
[  500.183789][ T7374]  ? do_raw_spin_unlock+0x172/0x230
[  500.189066][ T7374]  ? kobject_put+0xbe/0x440
[  500.193846][ T7374]  ? device_add+0xc35/0x1aa0
[  500.199016][ T7374]  device_add+0x289/0x1aa0
[  500.203834][ T7374]  ? device_initialize+0x510/0x510
[  500.209498][ T7374]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  500.216095][ T7374]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  500.223899][ T7374]  ? __init_waitqueue_head+0xca/0x150
[  500.230155][ T7374]  netdev_register_kobject+0x183/0x3f0
[  500.236743][ T7374]  register_netdevice+0xbdf/0x14a0
[  500.241932][ T7374]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  500.247876][ T7374]  ? lapbeth_setup+0x170/0x170
[  500.252700][ T7374]  lapbeth_device_event+0x5b8/0xd40
[  500.258310][ T7374]  notifier_call_chain+0xb6/0x3c0
[  500.263658][ T7374]  ? lapbeth_xmit+0x290/0x290
[  500.268902][ T7374]  call_netdevice_notifiers_info+0xbe/0x130
[  500.275425][ T7374]  dev_open+0x13c/0x150
[  500.280071][ T7374]  ? __dev_open+0x4d0/0x4d0
[  500.284906][ T7374]  ? kasan_set_track+0x24/0x30
[  500.290330][ T7374]  ? rcu_is_watching+0x12/0xb0
[  500.296457][ T7374]  team_add_slave+0xb4b/0x2130
[  500.301366][ T7374]  ? team_uninit+0x1c0/0x1c0
[  500.306271][ T7374]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  500.312304][ T7374]  ? validate_linkmsg+0x6fc/0x9c0
[  500.318228][ T7374]  ? team_uninit+0x1c0/0x1c0
[  500.322965][ T7374]  do_set_master+0x1c1/0x220
[  500.327808][ T7374]  __rtnl_newlink+0x14e4/0x1930
[  500.333000][ T7374]  ? rtnl_link_unregister+0x260/0x260
[  500.338988][ T7374]  rtnl_newlink+0x67/0xa0
[  500.343359][ T7374]  ? __rtnl_newlink+0x1930/0x1930
[  500.348589][ T7374]  rtnetlink_rcv_msg+0x3c7/0xe00
[  500.353742][ T7374]  ? rtnl_getlink+0xb40/0xb40
[  500.358530][ T7374]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  500.364895][ T7374]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  500.371100][ T7374]  ? __lock_acquire+0xc97/0x5dc0
[  500.376360][ T7374]  netlink_rcv_skb+0x16b/0x440
[  500.381173][ T7374]  ? rtnl_getlink+0xb40/0xb40
[  500.386073][ T7374]  ? netlink_ack+0x1370/0x1370
[  500.390976][ T7374]  ? lock_sync+0x180/0x180
[  500.395473][ T7374]  ? netlink_deliver_tap+0x1a0/0xd00
[  500.401078][ T7374]  ? _copy_from_iter+0x2c1/0x10f0
[  500.406444][ T7374]  netlink_unicast+0x53b/0x810
[  500.411353][ T7374]  ? netlink_attachskb+0x870/0x870
[  500.416797][ T7374]  ? __phys_addr_symbol+0x30/0x70
[  500.422047][ T7374]  ? __check_object_size+0x322/0x730
[  500.427371][ T7374]  netlink_sendmsg+0x939/0xe40
[  500.432272][ T7374]  ? netlink_unicast+0x810/0x810
[  500.437358][ T7374]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  500.442885][ T7374]  ? netlink_unicast+0x810/0x810
[  500.447870][ T7374]  __sock_sendmsg+0xd5/0x180
[  500.452510][ T7374]  ____sys_sendmsg+0x6ac/0x940
[  500.457417][ T7374]  ? copy_msghdr_from_user+0x10b/0x160
[  500.463015][ T7374]  ? kernel_sendmsg+0x50/0x50
[  500.467990][ T7374]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  500.474208][ T7374]  ___sys_sendmsg+0x135/0x1d0
[  500.479100][ T7374]  ? do_recvmmsg+0x740/0x740
[  500.483841][ T7374]  ? find_held_lock+0x2d/0x110
[  500.489032][ T7374]  ? preempt_count_sub+0x150/0x150
[  500.494486][ T7374]  ? __fget_light+0x1fa/0x260
[  500.499484][ T7374]  __sys_sendmsg+0x117/0x1e0
[  500.504121][ T7374]  ? __sys_sendmsg_sock+0x30/0x30
[  500.509202][ T7374]  ? syscall_enter_from_user_mode+0x26/0x80
[  500.515402][ T7374]  do_syscall_64+0x3f/0x110
[  500.519960][ T7374]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  500.526167][ T7374] RIP: 0033:0x7fa730b27eb9
[  500.530788][ T7374] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  500.551182][ T7374] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  500.559642][ T7374] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  500.567924][ T7374] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  500.576033][ T7374] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  500.584120][ T7374] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  500.592291][ T7374] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  500.600488][ T7374]  </TASK>
[  500.608099][ T7374] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  500.634828][ T7374] 8021q: adding VLAN 0 to HW filter on device batadv100000000
[  500.646907][ T7374] team10000000000: Port device batadv100000000 added
[  500.657846][ T4736] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000'
[  500.670789][ T4736] CPU: 1 PID: 4736 Comm: dhcpcd Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  500.681459][ T4736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  500.691816][ T4736] Call Trace:
[  500.695127][ T4736]  <TASK>
[  500.698089][ T4736]  dump_stack_lvl+0x125/0x1b0
[  500.702991][ T4736]  sysfs_warn_dup+0x7f/0xa0
[  500.707541][ T4736]  sysfs_create_dir_ns+0x247/0x2a0
[  500.712771][ T4736]  ? sysfs_create_mount_point+0xb0/0xb0
[  500.718513][ T4736]  ? spin_bug+0x1c0/0x1c0
[  500.722871][ T4736]  ? net_namespace+0x12/0x40
[  500.727480][ T4736]  ? device_namespace+0x8d/0xc0
[  500.732457][ T4736]  kobject_add_internal+0x2c8/0x960
[  500.738493][ T4736]  kobject_add+0x16f/0x240
[  500.743111][ T4736]  ? kset_create_and_add+0x190/0x190
[  500.748591][ T4736]  ? do_raw_spin_unlock+0x172/0x230
[  500.753875][ T4736]  ? kobject_put+0xbe/0x440
[  500.758411][ T4736]  ? device_add+0xc35/0x1aa0
[  500.763114][ T4736]  device_add+0x289/0x1aa0
[  500.767757][ T4736]  ? device_initialize+0x510/0x510
[  500.772971][ T4736]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  500.778799][ T4736]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  500.785682][ T4736]  ? __init_waitqueue_head+0xca/0x150
[  500.791175][ T4736]  netdev_register_kobject+0x183/0x3f0
[  500.796746][ T4736]  register_netdevice+0xbdf/0x14a0
[  500.802054][ T4736]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  500.807960][ T4736]  ? alloc_netdev_mqs+0xee6/0x1290
[  500.813271][ T4736]  bpq_device_event+0x39e/0xaf0
[  500.818180][ T4736]  ? team_device_event+0x219/0x750
[  500.823331][ T4736]  notifier_call_chain+0xb6/0x3c0
[  500.828377][ T4736]  ? bpq_seq_stop+0xb0/0xb0
[  500.832917][ T4736]  call_netdevice_notifiers_info+0xbe/0x130
[  500.838841][ T4736]  __dev_notify_flags+0x12d/0x2e0
[  500.844066][ T4736]  ? dev_change_name+0x800/0x800
[  500.849019][ T4736]  ? dev_set_allmulti+0x30/0x30
[  500.853899][ T4736]  dev_change_flags+0x122/0x170
[  500.859030][ T4736]  devinet_ioctl+0x13ef/0x1f00
[  500.863813][ T4736]  ? inet_ifa_byprefix+0x2d0/0x2d0
[  500.869024][ T4736]  ? _copy_from_user+0x5d/0xf0
[  500.873808][ T4736]  inet_ioctl+0x3a6/0x3f0
[  500.878150][ T4736]  ? find_held_lock+0x2d/0x110
[  500.883029][ T4736]  ? ipip_gro_complete+0x140/0x140
[  500.888332][ T4736]  ? tomoyo_path_number_perm+0x28e/0x580
[  500.894165][ T4736]  ? tomoyo_path_number_perm+0x463/0x580
[  500.899986][ T4736]  ? __kmem_cache_free+0xc0/0x180
[  500.905038][ T4736]  ? tomoyo_execute_permission+0x4a0/0x4a0
[  500.913467][ T4736]  ? lockdep_hardirqs_on+0x7c/0x100
[  500.918710][ T4736]  sock_do_ioctl+0x113/0x270
[  500.923492][ T4736]  ? put_user_ifreq+0x130/0x130
[  500.928710][ T4736]  ? do_vfs_ioctl+0x379/0x1920
[  500.933975][ T4736]  ? vfs_fileattr_set+0xbf0/0xbf0
[  500.939293][ T4736]  sock_ioctl+0x22e/0x6b0
[  500.944201][ T4736]  ? br_ioctl_call+0xb0/0xb0
[  500.949454][ T4736]  ? __sys_socket+0xad/0x260
[  500.954433][ T4736]  ? bpf_lsm_file_ioctl+0x9/0x10
[  500.959400][ T4736]  ? br_ioctl_call+0xb0/0xb0
[  500.964014][ T4736]  __x64_sys_ioctl+0x18f/0x210
[  500.969001][ T4736]  do_syscall_64+0x3f/0x110
[  500.973545][ T4736]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  500.979578][ T4736] RIP: 0033:0x7f25075f2d49
[  500.984017][ T4736] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8
[  501.003908][ T4736] RSP: 002b:00007fff865bddb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  501.012683][ T4736] RAX: ffffffffffffffda RBX: 00007f25075246c0 RCX: 00007f25075f2d49
[  501.021051][ T4736] RDX: 00007fff865cdfa8 RSI: 0000000000008914 RDI: 0000000000000013
[  501.029303][ T4736] RBP: 00007fff865de168 R08: 00007fff865cdf68 R09: 00007fff865cdf18
[  501.037559][ T4736] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  501.045895][ T4736] R13: 00007fff865cdfa8 R14: 0000000000000028 R15: 0000000000008914
[  501.054588][ T4736]  </TASK>
[  501.076104][ T4736] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  501.093524][ T4736] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000'
[  501.104793][ T4736] CPU: 1 PID: 4736 Comm: dhcpcd Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  501.115524][ T4736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  501.126190][ T4736] Call Trace:
[  501.129507][ T4736]  <TASK>
[  501.132483][ T4736]  dump_stack_lvl+0x125/0x1b0
[  501.137224][ T4736]  sysfs_warn_dup+0x7f/0xa0
[  501.141941][ T4736]  sysfs_create_dir_ns+0x247/0x2a0
[  501.147160][ T4736]  ? sysfs_create_mount_point+0xb0/0xb0
[  501.152737][ T4736]  ? spin_bug+0x1c0/0x1c0
[  501.157397][ T4736]  ? net_namespace+0x12/0x40
[  501.162027][ T4736]  ? device_namespace+0x8d/0xc0
[  501.167019][ T4736]  kobject_add_internal+0x2c8/0x960
[  501.172474][ T4736]  kobject_add+0x16f/0x240
[  501.177059][ T4736]  ? kset_create_and_add+0x190/0x190
[  501.182571][ T4736]  ? do_raw_spin_unlock+0x172/0x230
[  501.188093][ T4736]  ? kobject_put+0xbe/0x440
[  501.192673][ T4736]  ? device_add+0xc35/0x1aa0
[  501.197493][ T4736]  device_add+0x289/0x1aa0
[  501.202039][ T4736]  ? device_initialize+0x510/0x510
[  501.207225][ T4736]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  501.213379][ T4736]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  501.220465][ T4736]  ? __init_waitqueue_head+0xca/0x150
[  501.226170][ T4736]  netdev_register_kobject+0x183/0x3f0
[  501.232039][ T4736]  register_netdevice+0xbdf/0x14a0
[  501.237370][ T4736]  ? lockdep_hardirqs_on+0x7c/0x100
[  501.242879][ T4736]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  501.248903][ T4736]  ? lapbeth_setup+0x170/0x170
[  501.253724][ T4736]  lapbeth_device_event+0x5b8/0xd40
[  501.258968][ T4736]  notifier_call_chain+0xb6/0x3c0
[  501.264127][ T4736]  ? lapbeth_xmit+0x290/0x290
[  501.268968][ T4736]  call_netdevice_notifiers_info+0xbe/0x130
[  501.275285][ T4736]  __dev_notify_flags+0x12d/0x2e0
[  501.280616][ T4736]  ? dev_change_name+0x800/0x800
[  501.285825][ T4736]  ? dev_set_allmulti+0x30/0x30
[  501.290801][ T4736]  dev_change_flags+0x122/0x170
[  501.295871][ T4736]  devinet_ioctl+0x13ef/0x1f00
[  501.300762][ T4736]  ? inet_ifa_byprefix+0x2d0/0x2d0
[  501.305907][ T4736]  ? _copy_from_user+0x5d/0xf0
[  501.310826][ T4736]  inet_ioctl+0x3a6/0x3f0
[  501.315454][ T4736]  ? find_held_lock+0x2d/0x110
[  501.320252][ T4736]  ? ipip_gro_complete+0x140/0x140
[  501.325397][ T4736]  ? tomoyo_path_number_perm+0x28e/0x580
[  501.331264][ T4736]  ? tomoyo_path_number_perm+0x463/0x580
[  501.337092][ T4736]  ? __kmem_cache_free+0xc0/0x180
[  501.342431][ T4736]  ? tomoyo_execute_permission+0x4a0/0x4a0
[  501.348533][ T4736]  ? lockdep_hardirqs_on+0x7c/0x100
[  501.353901][ T4736]  sock_do_ioctl+0x113/0x270
[  501.358531][ T4736]  ? put_user_ifreq+0x130/0x130
[  501.363606][ T4736]  ? do_vfs_ioctl+0x379/0x1920
[  501.368453][ T4736]  ? vfs_fileattr_set+0xbf0/0xbf0
[  501.373535][ T4736]  sock_ioctl+0x22e/0x6b0
[  501.377994][ T4736]  ? br_ioctl_call+0xb0/0xb0
[  501.382625][ T4736]  ? __sys_socket+0xad/0x260
[  501.387304][ T4736]  ? bpf_lsm_file_ioctl+0x9/0x10
[  501.392552][ T4736]  ? br_ioctl_call+0xb0/0xb0
[  501.397253][ T4736]  __x64_sys_ioctl+0x18f/0x210
[  501.402240][ T4736]  do_syscall_64+0x3f/0x110
[  501.406889][ T4736]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  501.412825][ T4736] RIP: 0033:0x7f25075f2d49
[  501.417277][ T4736] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8
[  501.437732][ T4736] RSP: 002b:00007fff865bddb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  501.446516][ T4736] RAX: ffffffffffffffda RBX: 00007f25075246c0 RCX: 00007f25075f2d49
[  501.454500][ T4736] RDX: 00007fff865cdfa8 RSI: 0000000000008914 RDI: 0000000000000013
[  501.462651][ T4736] RBP: 00007fff865de168 R08: 00007fff865cdf68 R09: 00007fff865cdf18
[  501.470729][ T4736] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  501.478728][ T4736] R13: 00007fff865cdfa8 R14: 0000000000000028 R15: 0000000000008914
[  501.487158][ T4736]  </TASK>
[  501.501979][ T4736] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  501.518762][ T4736] 8021q: adding VLAN 0 to HW filter on device team1
[  501.527130][ T7376] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  501.538875][ T7376] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  501.549496][ T7376] CPU: 1 PID: 7376 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  501.561096][ T7376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  501.571459][ T7376] Call Trace:
[  501.574935][ T7376]  <TASK>
[  501.578064][ T7376]  dump_stack_lvl+0x125/0x1b0
[  501.583416][ T7376]  sysfs_warn_dup+0x7f/0xa0
[  501.587954][ T7376]  sysfs_create_dir_ns+0x247/0x2a0
[  501.593268][ T7376]  ? sysfs_create_mount_point+0xb0/0xb0
[  501.598962][ T7376]  ? spin_bug+0x1c0/0x1c0
[  501.603342][ T7376]  ? net_namespace+0x12/0x40
[  501.608009][ T7376]  ? device_namespace+0x8d/0xc0
[  501.613096][ T7376]  kobject_add_internal+0x2c8/0x960
[  501.618353][ T7376]  kobject_add+0x16f/0x240
[  501.623864][ T7376]  ? kset_create_and_add+0x190/0x190
[  501.629380][ T7376]  ? do_raw_spin_unlock+0x172/0x230
[  501.635424][ T7376]  ? kobject_put+0xbe/0x440
[  501.640211][ T7376]  ? device_add+0xc35/0x1aa0
[  501.644951][ T7376]  device_add+0x289/0x1aa0
[  501.650630][ T7376]  ? device_initialize+0x510/0x510
[  501.655773][ T7376]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  501.662164][ T7376]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  501.669272][ T7376]  ? __init_waitqueue_head+0xca/0x150
[  501.675058][ T7376]  netdev_register_kobject+0x183/0x3f0
[  501.681406][ T7376]  register_netdevice+0xbdf/0x14a0
[  501.686764][ T7376]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  501.693319][ T7376]  ? team_nl_cmd_noop+0x280/0x280
[  501.698578][ T7376]  team_newlink+0x92/0x160
[  501.703138][ T7376]  ? team_nl_cmd_noop+0x280/0x280
[  501.708391][ T7376]  ? rtnl_create_link+0xa6d/0xfd0
[  501.713884][ T7376]  __rtnl_newlink+0x1173/0x1930
[  501.718798][ T7376]  ? rtnl_link_unregister+0x260/0x260
[  501.724432][ T7376]  rtnl_newlink+0x67/0xa0
[  501.728993][ T7376]  ? __rtnl_newlink+0x1930/0x1930
[  501.734141][ T7376]  rtnetlink_rcv_msg+0x3c7/0xe00
[  501.739556][ T7376]  ? rtnl_getlink+0xb40/0xb40
[  501.744284][ T7376]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  501.750577][ T7376]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  501.756612][ T7376]  ? __lock_acquire+0xc97/0x5dc0
[  501.761692][ T7376]  netlink_rcv_skb+0x16b/0x440
[  501.766534][ T7376]  ? rtnl_getlink+0xb40/0xb40
[  501.771260][ T7376]  ? netlink_ack+0x1370/0x1370
[  501.776287][ T7376]  ? lock_sync+0x180/0x180
[  501.781031][ T7376]  ? netlink_deliver_tap+0x1a0/0xd00
[  501.786624][ T7376]  ? _copy_from_iter+0x2c1/0x10f0
[  501.791802][ T7376]  netlink_unicast+0x53b/0x810
[  501.796787][ T7376]  ? netlink_attachskb+0x870/0x870
[  501.802038][ T7376]  ? __phys_addr_symbol+0x30/0x70
[  501.807102][ T7376]  ? __check_object_size+0x322/0x730
[  501.812423][ T7376]  netlink_sendmsg+0x939/0xe40
[  501.817236][ T7376]  ? netlink_unicast+0x810/0x810
[  501.822307][ T7376]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  501.827900][ T7376]  ? netlink_unicast+0x810/0x810
[  501.832894][ T7376]  __sock_sendmsg+0xd5/0x180
[  501.837619][ T7376]  ____sys_sendmsg+0x6ac/0x940
[  501.843176][ T7376]  ? copy_msghdr_from_user+0x10b/0x160
[  501.849407][ T7376]  ? kernel_sendmsg+0x50/0x50
[  501.854572][ T7376]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  501.861059][ T7376]  ___sys_sendmsg+0x135/0x1d0
[  501.866161][ T7376]  ? do_recvmmsg+0x740/0x740
[  501.870889][ T7376]  ? find_held_lock+0x2d/0x110
[  501.876380][ T7376]  ? preempt_count_sub+0x150/0x150
[  501.881770][ T7376]  ? __fget_light+0x1fa/0x260
[  501.887140][ T7376]  __sys_sendmsg+0x117/0x1e0
[  501.892242][ T7376]  ? __sys_sendmsg_sock+0x30/0x30
[  501.897600][ T7376]  ? syscall_enter_from_user_mode+0x26/0x80
[  501.903806][ T7376]  do_syscall_64+0x3f/0x110
[  501.908534][ T7376]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  501.914760][ T7376] RIP: 0033:0x7fa730b27eb9
[  501.919303][ T7376] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  501.940638][ T7376] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  501.953622][ T7376] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  501.961907][ T7376] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  501.970196][ T7376] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  501.978686][ T7376] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  501.986873][ T7376] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  501.995290][ T7376]  </TASK>
[  502.041607][ T7376] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  502.088630][ T7376] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  502.098408][ T7376] CPU: 1 PID: 7376 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  502.110873][ T7376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  502.121933][ T7376] Call Trace:
[  502.125356][ T7376]  <TASK>
[  502.128447][ T7376]  dump_stack_lvl+0x125/0x1b0
[  502.134155][ T7376]  sysfs_warn_dup+0x7f/0xa0
[  502.140459][ T7376]  sysfs_create_dir_ns+0x247/0x2a0
[  502.145904][ T7376]  ? sysfs_create_mount_point+0xb0/0xb0
[  502.152015][ T7376]  ? spin_bug+0x1c0/0x1c0
[  502.156431][ T7376]  ? net_namespace+0x12/0x40
[  502.161543][ T7376]  ? device_namespace+0x8d/0xc0
[  502.166548][ T7376]  kobject_add_internal+0x2c8/0x960
[  502.172242][ T7376]  kobject_add+0x16f/0x240
[  502.176983][ T7376]  ? kset_create_and_add+0x190/0x190
[  502.182447][ T7376]  ? do_raw_spin_unlock+0x172/0x230
[  502.187769][ T7376]  ? kobject_put+0xbe/0x440
[  502.192385][ T7376]  ? device_add+0xc35/0x1aa0
[  502.197307][ T7376]  device_add+0x289/0x1aa0
[  502.201959][ T7376]  ? device_initialize+0x510/0x510
[  502.207110][ T7376]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  502.213127][ T7376]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  502.220280][ T7376]  ? __init_waitqueue_head+0xca/0x150
[  502.226090][ T7376]  netdev_register_kobject+0x183/0x3f0
[  502.231661][ T7376]  register_netdevice+0xbdf/0x14a0
[  502.237400][ T7376]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  502.243336][ T7376]  ? validate_linkmsg+0x6fc/0x9c0
[  502.248667][ T7376]  ? rtnl_create_link+0xa6d/0xfd0
[  502.253764][ T7376]  ? batadv_get_sset_count+0x40/0x40
[  502.259292][ T7376]  batadv_softif_newlink+0x70/0x90
[  502.264547][ T7376]  __rtnl_newlink+0x1173/0x1930
[  502.269551][ T7376]  ? rtnl_link_unregister+0x260/0x260
[  502.275265][ T7376]  rtnl_newlink+0x67/0xa0
[  502.280152][ T7376]  ? __rtnl_newlink+0x1930/0x1930
[  502.285675][ T7376]  rtnetlink_rcv_msg+0x3c7/0xe00
[  502.290739][ T7376]  ? rtnl_getlink+0xb40/0xb40
[  502.295544][ T7376]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  502.301656][ T7376]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  502.307665][ T7376]  ? __lock_acquire+0xc97/0x5dc0
[  502.312657][ T7376]  netlink_rcv_skb+0x16b/0x440
[  502.317630][ T7376]  ? rtnl_getlink+0xb40/0xb40
[  502.322437][ T7376]  ? netlink_ack+0x1370/0x1370
[  502.327400][ T7376]  ? lock_sync+0x180/0x180
[  502.331886][ T7376]  ? netlink_deliver_tap+0x1a0/0xd00
[  502.337275][ T7376]  ? _copy_from_iter+0x2c1/0x10f0
[  502.342338][ T7376]  netlink_unicast+0x53b/0x810
[  502.347208][ T7376]  ? netlink_attachskb+0x870/0x870
[  502.352563][ T7376]  ? __phys_addr_symbol+0x30/0x70
[  502.357910][ T7376]  ? __check_object_size+0x322/0x730
[  502.363235][ T7376]  netlink_sendmsg+0x939/0xe40
[  502.368089][ T7376]  ? netlink_unicast+0x810/0x810
[  502.373590][ T7376]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  502.379003][ T7376]  ? netlink_unicast+0x810/0x810
[  502.383995][ T7376]  __sock_sendmsg+0xd5/0x180
[  502.388877][ T7376]  ____sys_sendmsg+0x6ac/0x940
[  502.393764][ T7376]  ? copy_msghdr_from_user+0x10b/0x160
[  502.399272][ T7376]  ? kernel_sendmsg+0x50/0x50
[  502.404000][ T7376]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  502.410031][ T7376]  ___sys_sendmsg+0x135/0x1d0
[  502.414855][ T7376]  ? do_recvmmsg+0x740/0x740
[  502.419555][ T7376]  ? find_held_lock+0x2d/0x110
[  502.424524][ T7376]  ? preempt_count_sub+0x150/0x150
[  502.429852][ T7376]  ? __fget_light+0x1fa/0x260
[  502.434846][ T7376]  __sys_sendmsg+0x117/0x1e0
[  502.440011][ T7376]  ? __sys_sendmsg_sock+0x30/0x30
[  502.445093][ T7376]  ? syscall_enter_from_user_mode+0x26/0x80
[  502.451251][ T7376]  do_syscall_64+0x3f/0x110
[  502.455907][ T7376]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  502.462179][ T7376] RIP: 0033:0x7fa730b27eb9
[  502.466626][ T7376] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  502.486535][ T7376] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  502.495157][ T7376] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  502.503289][ T7376] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  502.511282][ T7376] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  502.519530][ T7376] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  502.527775][ T7376] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  502.536051][ T7376]  </TASK>
[  502.557744][ T7376] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  502.646041][ T1228] ieee802154 phy0 wpan0: encryption failed: -22
[  502.652828][ T1228] ieee802154 phy1 wpan1: encryption failed: -22
[  502.790762][ T7383] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  502.824511][ T7383] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  502.847137][ T7383] CPU: 1 PID: 7383 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  502.859108][ T7383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  502.869732][ T7383] Call Trace:
[  502.873234][ T7383]  <TASK>
[  502.876260][ T7383]  dump_stack_lvl+0x125/0x1b0
[  502.882338][ T7383]  sysfs_warn_dup+0x7f/0xa0
[  502.887345][ T7383]  sysfs_create_dir_ns+0x247/0x2a0
[  502.892865][ T7383]  ? sysfs_create_mount_point+0xb0/0xb0
[  502.898665][ T7383]  ? spin_bug+0x1c0/0x1c0
[  502.903245][ T7383]  ? net_namespace+0x12/0x40
[  502.907986][ T7383]  ? device_namespace+0x8d/0xc0
[  502.913158][ T7383]  kobject_add_internal+0x2c8/0x960
[  502.918524][ T7383]  kobject_add+0x16f/0x240
[  502.923457][ T7383]  ? kset_create_and_add+0x190/0x190
[  502.928970][ T7383]  ? do_raw_spin_unlock+0x172/0x230
[  502.934658][ T7383]  ? kobject_put+0xbe/0x440
[  502.939227][ T7383]  ? device_add+0xc35/0x1aa0
[  502.944312][ T7383]  device_add+0x289/0x1aa0
[  502.949325][ T7383]  ? device_initialize+0x510/0x510
[  502.954805][ T7383]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  502.960662][ T7383]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  502.967928][ T7383]  ? __init_waitqueue_head+0xca/0x150
[  502.973536][ T7383]  netdev_register_kobject+0x183/0x3f0
[  502.979301][ T7383]  register_netdevice+0xbdf/0x14a0
[  502.984474][ T7383]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  502.990436][ T7383]  ? team_nl_cmd_noop+0x280/0x280
[  502.995869][ T7383]  team_newlink+0x92/0x160
[  503.000319][ T7383]  ? team_nl_cmd_noop+0x280/0x280
[  503.005518][ T7383]  ? rtnl_create_link+0xa6d/0xfd0
[  503.010697][ T7383]  __rtnl_newlink+0x1173/0x1930
[  503.017021][ T7383]  ? rtnl_link_unregister+0x260/0x260
[  503.023766][ T7383]  rtnl_newlink+0x67/0xa0
[  503.029832][ T7383]  ? __rtnl_newlink+0x1930/0x1930
[  503.035535][ T7383]  rtnetlink_rcv_msg+0x3c7/0xe00
[  503.040684][ T7383]  ? rtnl_getlink+0xb40/0xb40
[  503.045411][ T7383]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  503.051468][ T7383]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  503.057502][ T7383]  ? __lock_acquire+0xc97/0x5dc0
[  503.062606][ T7383]  netlink_rcv_skb+0x16b/0x440
[  503.067408][ T7383]  ? rtnl_getlink+0xb40/0xb40
[  503.072467][ T7383]  ? netlink_ack+0x1370/0x1370
[  503.077711][ T7383]  ? lock_sync+0x180/0x180
[  503.082992][ T7383]  ? netlink_deliver_tap+0x1a0/0xd00
[  503.089481][ T7383]  ? _copy_from_iter+0x2c1/0x10f0
[  503.094665][ T7383]  netlink_unicast+0x53b/0x810
[  503.099602][ T7383]  ? netlink_attachskb+0x870/0x870
[  503.105552][ T7383]  ? __phys_addr_symbol+0x30/0x70
[  503.110645][ T7383]  ? __check_object_size+0x322/0x730
[  503.116065][ T7383]  netlink_sendmsg+0x939/0xe40
[  503.120898][ T7383]  ? netlink_unicast+0x810/0x810
[  503.125886][ T7383]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  503.131380][ T7383]  ? netlink_unicast+0x810/0x810
[  503.136534][ T7383]  __sock_sendmsg+0xd5/0x180
[  503.141175][ T7383]  ____sys_sendmsg+0x6ac/0x940
[  503.146064][ T7383]  ? copy_msghdr_from_user+0x10b/0x160
[  503.151763][ T7383]  ? kernel_sendmsg+0x50/0x50
[  503.156690][ T7383]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  503.162828][ T7383]  ___sys_sendmsg+0x135/0x1d0
[  503.167837][ T7383]  ? do_recvmmsg+0x740/0x740
[  503.172643][ T7383]  ? find_held_lock+0x2d/0x110
[  503.177893][ T7383]  ? preempt_count_sub+0x150/0x150
[  503.183243][ T7383]  ? __fget_light+0x1fa/0x260
[  503.188240][ T7383]  __sys_sendmsg+0x117/0x1e0
[  503.193265][ T7383]  ? __sys_sendmsg_sock+0x30/0x30
[  503.198620][ T7383]  ? syscall_enter_from_user_mode+0x26/0x80
[  503.204768][ T7383]  do_syscall_64+0x3f/0x110
[  503.209839][ T7383]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  503.215899][ T7383] RIP: 0033:0x7fa730b27eb9
[  503.220616][ T7383] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  503.241315][ T7383] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  503.250118][ T7383] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  503.258722][ T7383] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  503.267695][ T7383] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  503.276606][ T7383] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  503.285305][ T7383] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  503.293414][ T7383]  </TASK>
[  503.343781][ T7383] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  503.390019][ T7383] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  503.400032][ T7383] CPU: 1 PID: 7383 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  503.411453][ T7383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  503.421969][ T7383] Call Trace:
[  503.425811][ T7383]  <TASK>
[  503.428747][ T7383]  dump_stack_lvl+0x125/0x1b0
[  503.433461][ T7383]  sysfs_warn_dup+0x7f/0xa0
[  503.438151][ T7383]  sysfs_create_dir_ns+0x247/0x2a0
[  503.443268][ T7383]  ? sysfs_create_mount_point+0xb0/0xb0
[  503.448817][ T7383]  ? spin_bug+0x1c0/0x1c0
[  503.453199][ T7383]  ? net_namespace+0x12/0x40
[  503.458011][ T7383]  ? device_namespace+0x8d/0xc0
[  503.463176][ T7383]  kobject_add_internal+0x2c8/0x960
[  503.468509][ T7383]  kobject_add+0x16f/0x240
[  503.472955][ T7383]  ? kset_create_and_add+0x190/0x190
[  503.478355][ T7383]  ? do_raw_spin_unlock+0x172/0x230
[  503.483677][ T7383]  ? kobject_put+0xbe/0x440
[  503.488286][ T7383]  ? device_add+0xc35/0x1aa0
[  503.492896][ T7383]  device_add+0x289/0x1aa0
[  503.497411][ T7383]  ? device_initialize+0x510/0x510
[  503.502891][ T7383]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  503.509092][ T7383]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  503.516089][ T7383]  ? __init_waitqueue_head+0xca/0x150
[  503.521625][ T7383]  netdev_register_kobject+0x183/0x3f0
[  503.527124][ T7383]  register_netdevice+0xbdf/0x14a0
[  503.532430][ T7383]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  503.538451][ T7383]  ? validate_linkmsg+0x6fc/0x9c0
[  503.543693][ T7383]  ? rtnl_create_link+0xa6d/0xfd0
[  503.549025][ T7383]  ? batadv_get_sset_count+0x40/0x40
[  503.555762][ T7383]  batadv_softif_newlink+0x70/0x90
[  503.561033][ T7383]  __rtnl_newlink+0x1173/0x1930
[  503.566357][ T7383]  ? rtnl_link_unregister+0x260/0x260
[  503.571998][ T7383]  rtnl_newlink+0x67/0xa0
[  503.577516][ T7383]  ? __rtnl_newlink+0x1930/0x1930
[  503.583456][ T7383]  rtnetlink_rcv_msg+0x3c7/0xe00
[  503.589084][ T7383]  ? rtnl_getlink+0xb40/0xb40
[  503.596199][ T7383]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  503.604271][ T7383]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  503.612742][ T7383]  ? __lock_acquire+0xc97/0x5dc0
[  503.619117][ T7383]  netlink_rcv_skb+0x16b/0x440
[  503.624212][ T7383]  ? rtnl_getlink+0xb40/0xb40
[  503.629951][ T7383]  ? netlink_ack+0x1370/0x1370
[  503.635281][ T7383]  ? lock_sync+0x180/0x180
[  503.640357][ T7383]  ? netlink_deliver_tap+0x1a0/0xd00
[  503.645866][ T7383]  ? _copy_from_iter+0x2c1/0x10f0
[  503.651028][ T7383]  netlink_unicast+0x53b/0x810
[  503.655910][ T7383]  ? netlink_attachskb+0x870/0x870
[  503.661128][ T7383]  ? __phys_addr_symbol+0x30/0x70
[  503.666454][ T7383]  ? __check_object_size+0x322/0x730
[  503.672047][ T7383]  netlink_sendmsg+0x939/0xe40
[  503.677252][ T7383]  ? netlink_unicast+0x810/0x810
[  503.683706][ T7383]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  503.689693][ T7383]  ? netlink_unicast+0x810/0x810
[  503.694860][ T7383]  __sock_sendmsg+0xd5/0x180
[  503.699767][ T7383]  ____sys_sendmsg+0x6ac/0x940
[  503.705255][ T7383]  ? copy_msghdr_from_user+0x10b/0x160
[  503.710741][ T7383]  ? kernel_sendmsg+0x50/0x50
[  503.715742][ T7383]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  503.722304][ T7383]  ___sys_sendmsg+0x135/0x1d0
[  503.727035][ T7383]  ? do_recvmmsg+0x740/0x740
[  503.731800][ T7383]  ? find_held_lock+0x2d/0x110
[  503.736630][ T7383]  ? preempt_count_sub+0x150/0x150
[  503.742124][ T7383]  ? __fget_light+0x1fa/0x260
[  503.747435][ T7383]  __sys_sendmsg+0x117/0x1e0
[  503.752382][ T7383]  ? __sys_sendmsg_sock+0x30/0x30
[  503.757807][ T7383]  ? syscall_enter_from_user_mode+0x26/0x80
[  503.763860][ T7383]  do_syscall_64+0x3f/0x110
[  503.768978][ T7383]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  503.775014][ T7383] RIP: 0033:0x7fa730b27eb9
[  503.779838][ T7383] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  503.800366][ T7383] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  503.809145][ T7383] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  503.817324][ T7383] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  503.826299][ T7383] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  503.834933][ T7383] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  503.843388][ T7383] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  503.851764][ T7383]  </TASK>
[  503.881679][ T7383] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  503.965197][ T7391] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  503.995140][ T7391] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  504.006742][ T7391] CPU: 1 PID: 7391 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  504.018353][ T7391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  504.029601][ T7391] Call Trace:
[  504.032924][ T7391]  <TASK>
[  504.036503][ T7391]  dump_stack_lvl+0x125/0x1b0
[  504.043164][ T7391]  sysfs_warn_dup+0x7f/0xa0
[  504.048002][ T7391]  sysfs_create_dir_ns+0x247/0x2a0
[  504.053262][ T7391]  ? sysfs_create_mount_point+0xb0/0xb0
[  504.059304][ T7391]  ? spin_bug+0x1c0/0x1c0
[  504.063880][ T7391]  ? net_namespace+0x12/0x40
[  504.069038][ T7391]  ? device_namespace+0x8d/0xc0
[  504.074333][ T7391]  kobject_add_internal+0x2c8/0x960
[  504.079891][ T7391]  kobject_add+0x16f/0x240
[  504.085280][ T7391]  ? kset_create_and_add+0x190/0x190
[  504.090704][ T7391]  ? do_raw_spin_unlock+0x172/0x230
[  504.096321][ T7391]  ? kobject_put+0xbe/0x440
[  504.101228][ T7391]  ? device_add+0xc35/0x1aa0
[  504.105945][ T7391]  device_add+0x289/0x1aa0
[  504.110574][ T7391]  ? device_initialize+0x510/0x510
[  504.115729][ T7391]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  504.122271][ T7391]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  504.129510][ T7391]  ? __init_waitqueue_head+0xca/0x150
[  504.135278][ T7391]  netdev_register_kobject+0x183/0x3f0
[  504.140890][ T7391]  register_netdevice+0xbdf/0x14a0
[  504.146142][ T7391]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  504.152172][ T7391]  ? team_nl_cmd_noop+0x280/0x280
[  504.157344][ T7391]  team_newlink+0x92/0x160
[  504.161885][ T7391]  ? team_nl_cmd_noop+0x280/0x280
[  504.166940][ T7391]  ? rtnl_create_link+0xa6d/0xfd0
[  504.172023][ T7391]  __rtnl_newlink+0x1173/0x1930
[  504.177068][ T7391]  ? rtnl_link_unregister+0x260/0x260
[  504.182692][ T7391]  rtnl_newlink+0x67/0xa0
[  504.187162][ T7391]  ? __rtnl_newlink+0x1930/0x1930
[  504.192411][ T7391]  rtnetlink_rcv_msg+0x3c7/0xe00
[  504.197744][ T7391]  ? rtnl_getlink+0xb40/0xb40
[  504.202536][ T7391]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  504.208729][ T7391]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  504.214835][ T7391]  ? __lock_acquire+0xc97/0x5dc0
[  504.220089][ T7391]  netlink_rcv_skb+0x16b/0x440
[  504.224987][ T7391]  ? rtnl_getlink+0xb40/0xb40
[  504.229786][ T7391]  ? netlink_ack+0x1370/0x1370
[  504.235120][ T7391]  ? lock_sync+0x180/0x180
[  504.239786][ T7391]  ? netlink_deliver_tap+0x1a0/0xd00
[  504.245303][ T7391]  ? _copy_from_iter+0x2c1/0x10f0
[  504.250472][ T7391]  netlink_unicast+0x53b/0x810
[  504.255456][ T7391]  ? netlink_attachskb+0x870/0x870
[  504.260871][ T7391]  ? __phys_addr_symbol+0x30/0x70
[  504.266059][ T7391]  ? __check_object_size+0x322/0x730
[  504.271388][ T7391]  netlink_sendmsg+0x939/0xe40
[  504.276213][ T7391]  ? netlink_unicast+0x810/0x810
[  504.281561][ T7391]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  504.286878][ T7391]  ? netlink_unicast+0x810/0x810
[  504.291940][ T7391]  __sock_sendmsg+0xd5/0x180
[  504.296660][ T7391]  ____sys_sendmsg+0x6ac/0x940
[  504.301479][ T7391]  ? copy_msghdr_from_user+0x10b/0x160
[  504.306976][ T7391]  ? kernel_sendmsg+0x50/0x50
[  504.311868][ T7391]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  504.317998][ T7391]  ___sys_sendmsg+0x135/0x1d0
[  504.322825][ T7391]  ? do_recvmmsg+0x740/0x740
[  504.327445][ T7391]  ? find_held_lock+0x2d/0x110
[  504.332951][ T7391]  ? preempt_count_sub+0x150/0x150
[  504.338381][ T7391]  ? __fget_light+0x1fa/0x260
[  504.343205][ T7391]  __sys_sendmsg+0x117/0x1e0
[  504.347844][ T7391]  ? __sys_sendmsg_sock+0x30/0x30
[  504.353017][ T7391]  ? syscall_enter_from_user_mode+0x26/0x80
[  504.359062][ T7391]  do_syscall_64+0x3f/0x110
[  504.363704][ T7391]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  504.369631][ T7391] RIP: 0033:0x7fa730b27eb9
[  504.374332][ T7391] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  504.395021][ T7391] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  504.403632][ T7391] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  504.411809][ T7391] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  504.420694][ T7391] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  504.429658][ T7391] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  504.438466][ T7391] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  504.446498][ T7391]  </TASK>
[  504.462189][ T7391] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  504.488671][ T4736] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000'
[  504.498547][ T4736] CPU: 1 PID: 4736 Comm: dhcpcd Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  504.509554][ T4736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  504.520313][ T4736] Call Trace:
[  504.523803][ T4736]  <TASK>
[  504.526842][ T4736]  dump_stack_lvl+0x125/0x1b0
[  504.531733][ T4736]  sysfs_warn_dup+0x7f/0xa0
[  504.536569][ T4736]  sysfs_create_dir_ns+0x247/0x2a0
[  504.541713][ T4736]  ? sysfs_create_mount_point+0xb0/0xb0
[  504.547377][ T4736]  ? spin_bug+0x1c0/0x1c0
[  504.551869][ T4736]  ? net_namespace+0x12/0x40
[  504.556591][ T4736]  ? device_namespace+0x8d/0xc0
[  504.561689][ T4736]  kobject_add_internal+0x2c8/0x960
[  504.566977][ T4736]  kobject_add+0x16f/0x240
[  504.571430][ T4736]  ? kset_create_and_add+0x190/0x190
[  504.576768][ T4736]  ? do_raw_spin_unlock+0x172/0x230
[  504.582186][ T4736]  ? kobject_put+0xbe/0x440
[  504.586984][ T4736]  ? device_add+0xc35/0x1aa0
[  504.591695][ T4736]  device_add+0x289/0x1aa0
[  504.596416][ T4736]  ? device_initialize+0x510/0x510
[  504.601624][ T4736]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  504.607707][ T4736]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  504.614749][ T4736]  ? __init_waitqueue_head+0xca/0x150
[  504.620148][ T4736]  netdev_register_kobject+0x183/0x3f0
[  504.625717][ T4736]  register_netdevice+0xbdf/0x14a0
[  504.631022][ T4736]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  504.637100][ T4736]  ? alloc_netdev_mqs+0xee6/0x1290
[  504.642531][ T4736]  bpq_device_event+0x39e/0xaf0
[  504.647594][ T4736]  ? team_device_event+0x219/0x750
[  504.653393][ T4736]  notifier_call_chain+0xb6/0x3c0
[  504.659516][ T4736]  ? bpq_seq_stop+0xb0/0xb0
[  504.664044][ T4736]  call_netdevice_notifiers_info+0xbe/0x130
[  504.670072][ T4736]  __dev_notify_flags+0x12d/0x2e0
[  504.675224][ T4736]  ? dev_change_name+0x800/0x800
[  504.680391][ T4736]  ? dev_set_allmulti+0x30/0x30
[  504.685712][ T4736]  dev_change_flags+0x122/0x170
[  504.690846][ T4736]  devinet_ioctl+0x13ef/0x1f00
[  504.695629][ T4736]  ? inet_ifa_byprefix+0x2d0/0x2d0
[  504.700748][ T4736]  ? _copy_from_user+0x5d/0xf0
[  504.705530][ T4736]  inet_ioctl+0x3a6/0x3f0
[  504.709870][ T4736]  ? find_held_lock+0x2d/0x110
[  504.715098][ T4736]  ? ipip_gro_complete+0x140/0x140
[  504.720393][ T4736]  ? tomoyo_path_number_perm+0x28e/0x580
[  504.726769][ T4736]  ? tomoyo_path_number_perm+0x463/0x580
[  504.732533][ T4736]  ? __kmem_cache_free+0xc0/0x180
[  504.737618][ T4736]  ? tomoyo_execute_permission+0x4a0/0x4a0
[  504.743445][ T4736]  ? lockdep_hardirqs_on+0x7c/0x100
[  504.748918][ T4736]  sock_do_ioctl+0x113/0x270
[  504.753523][ T4736]  ? put_user_ifreq+0x130/0x130
[  504.758470][ T4736]  ? do_vfs_ioctl+0x379/0x1920
[  504.763506][ T4736]  ? vfs_fileattr_set+0xbf0/0xbf0
[  504.768736][ T4736]  sock_ioctl+0x22e/0x6b0
[  504.773093][ T4736]  ? br_ioctl_call+0xb0/0xb0
[  504.777962][ T4736]  ? __sys_socket+0xad/0x260
[  504.782568][ T4736]  ? bpf_lsm_file_ioctl+0x9/0x10
[  504.787526][ T4736]  ? br_ioctl_call+0xb0/0xb0
[  504.792129][ T4736]  __x64_sys_ioctl+0x18f/0x210
[  504.797015][ T4736]  do_syscall_64+0x3f/0x110
[  504.801892][ T4736]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  504.807885][ T4736] RIP: 0033:0x7f25075f2d49
[  504.812309][ T4736] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8
[  504.832366][ T4736] RSP: 002b:00007fff865bddb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  504.842501][ T4736] RAX: ffffffffffffffda RBX: 00007f25075246c0 RCX: 00007f25075f2d49
[  504.852389][ T4736] RDX: 00007fff865cdfa8 RSI: 0000000000008914 RDI: 0000000000000013
[  504.860464][ T4736] RBP: 00007fff865de168 R08: 00007fff865cdf68 R09: 00007fff865cdf18
[  504.868709][ T4736] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  504.877001][ T4736] R13: 00007fff865cdfa8 R14: 0000000000000028 R15: 0000000000008914
[  504.885284][ T4736]  </TASK>
[  504.901017][ T4736] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  504.918987][ T4736] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000'
[  504.929196][ T4736] CPU: 1 PID: 4736 Comm: dhcpcd Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  504.940622][ T4736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  504.951758][ T4736] Call Trace:
[  504.955959][ T4736]  <TASK>
[  504.959105][ T4736]  dump_stack_lvl+0x125/0x1b0
[  504.965533][ T4736]  sysfs_warn_dup+0x7f/0xa0
[  504.970181][ T4736]  sysfs_create_dir_ns+0x247/0x2a0
[  504.975425][ T4736]  ? sysfs_create_mount_point+0xb0/0xb0
[  504.981184][ T4736]  ? spin_bug+0x1c0/0x1c0
[  504.985650][ T4736]  ? net_namespace+0x12/0x40
[  504.990557][ T4736]  ? device_namespace+0x8d/0xc0
[  504.995463][ T4736]  kobject_add_internal+0x2c8/0x960
[  505.000903][ T4736]  kobject_add+0x16f/0x240
[  505.005725][ T4736]  ? kset_create_and_add+0x190/0x190
[  505.011230][ T4736]  ? do_raw_spin_unlock+0x172/0x230
[  505.016563][ T4736]  ? kobject_put+0xbe/0x440
[  505.021208][ T4736]  ? device_add+0xc35/0x1aa0
[  505.026384][ T4736]  device_add+0x289/0x1aa0
[  505.031743][ T4736]  ? device_initialize+0x510/0x510
[  505.037598][ T4736]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  505.043810][ T4736]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  505.051107][ T4736]  ? __init_waitqueue_head+0xca/0x150
[  505.056546][ T4736]  netdev_register_kobject+0x183/0x3f0
[  505.062158][ T4736]  register_netdevice+0xbdf/0x14a0
[  505.067512][ T4736]  ? lockdep_hardirqs_on+0x7c/0x100
[  505.073118][ T4736]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  505.079593][ T4736]  ? lapbeth_setup+0x170/0x170
[  505.084416][ T4736]  lapbeth_device_event+0x5b8/0xd40
[  505.089842][ T4736]  notifier_call_chain+0xb6/0x3c0
[  505.095088][ T4736]  ? lapbeth_xmit+0x290/0x290
[  505.099984][ T4736]  call_netdevice_notifiers_info+0xbe/0x130
[  505.105970][ T4736]  __dev_notify_flags+0x12d/0x2e0
[  505.111133][ T4736]  ? dev_change_name+0x800/0x800
[  505.116104][ T4736]  ? dev_set_allmulti+0x30/0x30
[  505.121084][ T4736]  dev_change_flags+0x122/0x170
[  505.126058][ T4736]  devinet_ioctl+0x13ef/0x1f00
[  505.130954][ T4736]  ? inet_ifa_byprefix+0x2d0/0x2d0
[  505.136277][ T4736]  ? _copy_from_user+0x5d/0xf0
[  505.141101][ T4736]  inet_ioctl+0x3a6/0x3f0
[  505.145474][ T4736]  ? find_held_lock+0x2d/0x110
[  505.150374][ T4736]  ? ipip_gro_complete+0x140/0x140
[  505.155626][ T4736]  ? tomoyo_path_number_perm+0x28e/0x580
[  505.161312][ T4736]  ? tomoyo_path_number_perm+0x463/0x580
[  505.167179][ T4736]  ? __kmem_cache_free+0xc0/0x180
[  505.172256][ T4736]  ? tomoyo_execute_permission+0x4a0/0x4a0
[  505.178098][ T4736]  ? lockdep_hardirqs_on+0x7c/0x100
[  505.183337][ T4736]  sock_do_ioctl+0x113/0x270
[  505.188051][ T4736]  ? put_user_ifreq+0x130/0x130
[  505.192942][ T4736]  ? do_vfs_ioctl+0x379/0x1920
[  505.197901][ T4736]  ? vfs_fileattr_set+0xbf0/0xbf0
[  505.203168][ T4736]  sock_ioctl+0x22e/0x6b0
[  505.207552][ T4736]  ? br_ioctl_call+0xb0/0xb0
[  505.212286][ T4736]  ? __sys_socket+0xad/0x260
[  505.216920][ T4736]  ? bpf_lsm_file_ioctl+0x9/0x10
[  505.221994][ T4736]  ? br_ioctl_call+0xb0/0xb0
[  505.226615][ T4736]  __x64_sys_ioctl+0x18f/0x210
[  505.231610][ T4736]  do_syscall_64+0x3f/0x110
[  505.236164][ T4736]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  505.242203][ T4736] RIP: 0033:0x7f25075f2d49
[  505.246666][ T4736] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8
[  505.266316][ T4736] RSP: 002b:00007fff865bddb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  505.274957][ T4736] RAX: ffffffffffffffda RBX: 00007f25075246c0 RCX: 00007f25075f2d49
[  505.283221][ T4736] RDX: 00007fff865cdfa8 RSI: 0000000000008914 RDI: 0000000000000013
[  505.291220][ T4736] RBP: 00007fff865de168 R08: 00007fff865cdf68 R09: 00007fff865cdf18
[  505.299225][ T4736] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  505.307574][ T4736] R13: 00007fff865cdfa8 R14: 0000000000000028 R15: 0000000000008914
[  505.315594][ T4736]  </TASK>
[  505.330611][ T4736] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  505.347588][ T4736] 8021q: adding VLAN 0 to HW filter on device team2
[  505.358565][ T7391] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  505.369945][ T7391] CPU: 1 PID: 7391 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  505.383195][ T7391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  505.393285][ T7391] Call Trace:
[  505.396786][ T7391]  <TASK>
[  505.399840][ T7391]  dump_stack_lvl+0x125/0x1b0
[  505.404834][ T7391]  sysfs_warn_dup+0x7f/0xa0
[  505.409478][ T7391]  sysfs_create_dir_ns+0x247/0x2a0
[  505.414626][ T7391]  ? sysfs_create_mount_point+0xb0/0xb0
[  505.420297][ T7391]  ? spin_bug+0x1c0/0x1c0
[  505.424678][ T7391]  ? net_namespace+0x12/0x40
[  505.429512][ T7391]  ? device_namespace+0x8d/0xc0
[  505.434416][ T7391]  kobject_add_internal+0x2c8/0x960
[  505.439849][ T7391]  kobject_add+0x16f/0x240
[  505.444321][ T7391]  ? kset_create_and_add+0x190/0x190
[  505.449755][ T7391]  ? do_raw_spin_unlock+0x172/0x230
[  505.455349][ T7391]  ? kobject_put+0xbe/0x440
[  505.459905][ T7391]  ? device_add+0xc35/0x1aa0
[  505.464713][ T7391]  device_add+0x289/0x1aa0
[  505.469254][ T7391]  ? device_initialize+0x510/0x510
[  505.475516][ T7391]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  505.481444][ T7391]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  505.488685][ T7391]  ? __init_waitqueue_head+0xca/0x150
[  505.494196][ T7391]  netdev_register_kobject+0x183/0x3f0
[  505.499919][ T7391]  register_netdevice+0xbdf/0x14a0
[  505.505073][ T7391]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  505.511181][ T7391]  ? validate_linkmsg+0x6fc/0x9c0
[  505.516332][ T7391]  ? rtnl_create_link+0xa6d/0xfd0
[  505.521660][ T7391]  ? batadv_get_sset_count+0x40/0x40
[  505.527356][ T7391]  batadv_softif_newlink+0x70/0x90
[  505.532593][ T7391]  __rtnl_newlink+0x1173/0x1930
[  505.537642][ T7391]  ? rtnl_link_unregister+0x260/0x260
[  505.543348][ T7391]  rtnl_newlink+0x67/0xa0
[  505.547772][ T7391]  ? __rtnl_newlink+0x1930/0x1930
[  505.552922][ T7391]  rtnetlink_rcv_msg+0x3c7/0xe00
[  505.557906][ T7391]  ? rtnl_getlink+0xb40/0xb40
[  505.562624][ T7391]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  505.568659][ T7391]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  505.574699][ T7391]  ? __lock_acquire+0xc97/0x5dc0
[  505.579803][ T7391]  netlink_rcv_skb+0x16b/0x440
[  505.584799][ T7391]  ? rtnl_getlink+0xb40/0xb40
[  505.589795][ T7391]  ? netlink_ack+0x1370/0x1370
[  505.594964][ T7391]  ? lock_sync+0x180/0x180
[  505.599625][ T7391]  ? netlink_deliver_tap+0x1a0/0xd00
[  505.605030][ T7391]  ? _copy_from_iter+0x2c1/0x10f0
[  505.610539][ T7391]  netlink_unicast+0x53b/0x810
[  505.615539][ T7391]  ? netlink_attachskb+0x870/0x870
[  505.620791][ T7391]  ? __phys_addr_symbol+0x30/0x70
[  505.625855][ T7391]  ? __check_object_size+0x322/0x730
[  505.631214][ T7391]  netlink_sendmsg+0x939/0xe40
[  505.636023][ T7391]  ? netlink_unicast+0x810/0x810
[  505.641003][ T7391]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  505.646335][ T7391]  ? netlink_unicast+0x810/0x810
[  505.651399][ T7391]  __sock_sendmsg+0xd5/0x180
[  505.656027][ T7391]  ____sys_sendmsg+0x6ac/0x940
[  505.660819][ T7391]  ? copy_msghdr_from_user+0x10b/0x160
[  505.666309][ T7391]  ? kernel_sendmsg+0x50/0x50
[  505.671189][ T7391]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  505.677244][ T7391]  ___sys_sendmsg+0x135/0x1d0
[  505.682325][ T7391]  ? do_recvmmsg+0x740/0x740
[  505.686975][ T7391]  ? find_held_lock+0x2d/0x110
[  505.691781][ T7391]  ? preempt_count_sub+0x150/0x150
[  505.697126][ T7391]  ? __fget_light+0x1fa/0x260
[  505.702116][ T7391]  __sys_sendmsg+0x117/0x1e0
[  505.706927][ T7391]  ? __sys_sendmsg_sock+0x30/0x30
[  505.712013][ T7391]  ? syscall_enter_from_user_mode+0x26/0x80
[  505.717959][ T7391]  do_syscall_64+0x3f/0x110
[  505.722502][ T7391]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  505.728428][ T7391] RIP: 0033:0x7fa730b27eb9
[  505.732871][ T7391] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  505.752879][ T7391] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  505.761342][ T7391] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  505.769435][ T7391] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  505.777794][ T7391] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  505.785808][ T7391] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  505.793909][ T7391] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  505.802027][ T7391]  </TASK>
[  505.818862][ T7391] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  505.956289][ T7398] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  505.973461][ T7398] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  505.989552][ T7398] CPU: 0 PID: 7398 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  506.001087][ T7398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  506.011437][ T7398] Call Trace:
[  506.014753][ T7398]  <TASK>
[  506.017708][ T7398]  dump_stack_lvl+0x125/0x1b0
[  506.022467][ T7398]  sysfs_warn_dup+0x7f/0xa0
[  506.027290][ T7398]  sysfs_create_dir_ns+0x247/0x2a0
[  506.032431][ T7398]  ? sysfs_create_mount_point+0xb0/0xb0
[  506.038022][ T7398]  ? spin_bug+0x1c0/0x1c0
[  506.042675][ T7398]  ? net_namespace+0x12/0x40
[  506.047298][ T7398]  ? device_namespace+0x8d/0xc0
[  506.052284][ T7398]  kobject_add_internal+0x2c8/0x960
[  506.057731][ T7398]  kobject_add+0x16f/0x240
[  506.062358][ T7398]  ? kset_create_and_add+0x190/0x190
[  506.067761][ T7398]  ? do_raw_spin_unlock+0x172/0x230
[  506.072983][ T7398]  ? kobject_put+0xbe/0x440
[  506.077508][ T7398]  ? device_add+0xc35/0x1aa0
[  506.082222][ T7398]  device_add+0x289/0x1aa0
[  506.086764][ T7398]  ? device_initialize+0x510/0x510
[  506.092076][ T7398]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  506.098212][ T7398]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  506.105215][ T7398]  ? __init_waitqueue_head+0xca/0x150
[  506.110711][ T7398]  netdev_register_kobject+0x183/0x3f0
[  506.116285][ T7398]  register_netdevice+0xbdf/0x14a0
[  506.121502][ T7398]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  506.127417][ T7398]  ? team_nl_cmd_noop+0x280/0x280
[  506.132594][ T7398]  team_newlink+0x92/0x160
[  506.137371][ T7398]  ? team_nl_cmd_noop+0x280/0x280
[  506.142773][ T7398]  ? rtnl_create_link+0xa6d/0xfd0
[  506.147922][ T7398]  __rtnl_newlink+0x1173/0x1930
[  506.152887][ T7398]  ? rtnl_link_unregister+0x260/0x260
[  506.158704][ T7398]  rtnl_newlink+0x67/0xa0
[  506.163447][ T7398]  ? __rtnl_newlink+0x1930/0x1930
[  506.168506][ T7398]  rtnetlink_rcv_msg+0x3c7/0xe00
[  506.173731][ T7398]  ? rtnl_getlink+0xb40/0xb40
[  506.178446][ T7398]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  506.184480][ T7398]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  506.190753][ T7398]  ? __lock_acquire+0xc97/0x5dc0
[  506.195919][ T7398]  netlink_rcv_skb+0x16b/0x440
[  506.200800][ T7398]  ? rtnl_getlink+0xb40/0xb40
[  506.205577][ T7398]  ? netlink_ack+0x1370/0x1370
[  506.210351][ T7398]  ? lock_sync+0x180/0x180
[  506.214798][ T7398]  ? netlink_deliver_tap+0x1a0/0xd00
[  506.220364][ T7398]  ? _copy_from_iter+0x2c1/0x10f0
[  506.225441][ T7398]  netlink_unicast+0x53b/0x810
[  506.230402][ T7398]  ? netlink_attachskb+0x870/0x870
[  506.235542][ T7398]  ? __phys_addr_symbol+0x30/0x70
[  506.240781][ T7398]  ? __check_object_size+0x322/0x730
[  506.246454][ T7398]  netlink_sendmsg+0x939/0xe40
[  506.251299][ T7398]  ? netlink_unicast+0x810/0x810
[  506.256349][ T7398]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  506.261650][ T7398]  ? netlink_unicast+0x810/0x810
[  506.266603][ T7398]  __sock_sendmsg+0xd5/0x180
[  506.271296][ T7398]  ____sys_sendmsg+0x6ac/0x940
[  506.276249][ T7398]  ? copy_msghdr_from_user+0x10b/0x160
[  506.281832][ T7398]  ? kernel_sendmsg+0x50/0x50
[  506.286523][ T7398]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  506.292619][ T7398]  ___sys_sendmsg+0x135/0x1d0
[  506.297764][ T7398]  ? do_recvmmsg+0x740/0x740
[  506.302469][ T7398]  ? find_held_lock+0x2d/0x110
[  506.307446][ T7398]  ? preempt_count_sub+0x150/0x150
[  506.312750][ T7398]  ? __fget_light+0x1fa/0x260
[  506.317449][ T7398]  __sys_sendmsg+0x117/0x1e0
[  506.322140][ T7398]  ? __sys_sendmsg_sock+0x30/0x30
[  506.327192][ T7398]  ? syscall_enter_from_user_mode+0x26/0x80
[  506.333100][ T7398]  do_syscall_64+0x3f/0x110
[  506.337828][ T7398]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  506.344101][ T7398] RIP: 0033:0x7fa730b27eb9
[  506.348898][ T7398] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  506.368630][ T7398] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  506.377606][ T7398] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  506.385689][ T7398] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  506.393688][ T7398] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  506.401677][ T7398] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  506.409917][ T7398] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  506.417915][ T7398]  </TASK>
[  506.444372][ T7398] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  506.473912][ T7398] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  506.491614][ T7398] CPU: 0 PID: 7398 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  506.503141][ T7398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  506.513309][ T7398] Call Trace:
[  506.516712][ T7398]  <TASK>
[  506.520240][ T7398]  dump_stack_lvl+0x125/0x1b0
[  506.525311][ T7398]  sysfs_warn_dup+0x7f/0xa0
[  506.529844][ T7398]  sysfs_create_dir_ns+0x247/0x2a0
[  506.534988][ T7398]  ? sysfs_create_mount_point+0xb0/0xb0
[  506.540910][ T7398]  ? spin_bug+0x1c0/0x1c0
[  506.545450][ T7398]  ? net_namespace+0x12/0x40
[  506.550160][ T7398]  ? device_namespace+0x8d/0xc0
[  506.555151][ T7398]  kobject_add_internal+0x2c8/0x960
[  506.560499][ T7398]  kobject_add+0x16f/0x240
[  506.564955][ T7398]  ? kset_create_and_add+0x190/0x190
[  506.570280][ T7398]  ? do_raw_spin_unlock+0x172/0x230
[  506.575605][ T7398]  ? kobject_put+0xbe/0x440
[  506.580320][ T7398]  ? device_add+0xc35/0x1aa0
[  506.584946][ T7398]  device_add+0x289/0x1aa0
[  506.589398][ T7398]  ? device_initialize+0x510/0x510
[  506.594707][ T7398]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  506.600733][ T7398]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  506.607808][ T7398]  ? __init_waitqueue_head+0xca/0x150
[  506.613414][ T7398]  netdev_register_kobject+0x183/0x3f0
[  506.619198][ T7398]  register_netdevice+0xbdf/0x14a0
[  506.624893][ T7398]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  506.630916][ T7398]  ? validate_linkmsg+0x6fc/0x9c0
[  506.636084][ T7398]  ? rtnl_create_link+0xa6d/0xfd0
[  506.641335][ T7398]  ? batadv_get_sset_count+0x40/0x40
[  506.646839][ T7398]  batadv_softif_newlink+0x70/0x90
[  506.652094][ T7398]  __rtnl_newlink+0x1173/0x1930
[  506.656995][ T7398]  ? rtnl_link_unregister+0x260/0x260
[  506.662525][ T7398]  rtnl_newlink+0x67/0xa0
[  506.667007][ T7398]  ? __rtnl_newlink+0x1930/0x1930
[  506.672250][ T7398]  rtnetlink_rcv_msg+0x3c7/0xe00
[  506.677497][ T7398]  ? rtnl_getlink+0xb40/0xb40
[  506.682303][ T7398]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  506.688430][ T7398]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  506.694469][ T7398]  ? __lock_acquire+0xc97/0x5dc0
[  506.699545][ T7398]  netlink_rcv_skb+0x16b/0x440
[  506.704366][ T7398]  ? rtnl_getlink+0xb40/0xb40
[  506.709443][ T7398]  ? netlink_ack+0x1370/0x1370
[  506.714687][ T7398]  ? lock_sync+0x180/0x180
[  506.719525][ T7398]  ? netlink_deliver_tap+0x1a0/0xd00
[  506.724948][ T7398]  ? _copy_from_iter+0x2c1/0x10f0
[  506.730123][ T7398]  netlink_unicast+0x53b/0x810
[  506.735195][ T7398]  ? netlink_attachskb+0x870/0x870
[  506.740614][ T7398]  ? __phys_addr_symbol+0x30/0x70
[  506.745851][ T7398]  ? __check_object_size+0x322/0x730
[  506.751345][ T7398]  netlink_sendmsg+0x939/0xe40
[  506.756154][ T7398]  ? netlink_unicast+0x810/0x810
[  506.761245][ T7398]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  506.766560][ T7398]  ? netlink_unicast+0x810/0x810
[  506.771725][ T7398]  __sock_sendmsg+0xd5/0x180
[  506.776444][ T7398]  ____sys_sendmsg+0x6ac/0x940
[  506.781244][ T7398]  ? copy_msghdr_from_user+0x10b/0x160
[  506.786735][ T7398]  ? kernel_sendmsg+0x50/0x50
[  506.791549][ T7398]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  506.797762][ T7398]  ___sys_sendmsg+0x135/0x1d0
[  506.802751][ T7398]  ? do_recvmmsg+0x740/0x740
[  506.807423][ T7398]  ? find_held_lock+0x2d/0x110
[  506.812323][ T7398]  ? preempt_count_sub+0x150/0x150
[  506.817842][ T7398]  ? __fget_light+0x1fa/0x260
[  506.822648][ T7398]  __sys_sendmsg+0x117/0x1e0
[  506.827393][ T7398]  ? __sys_sendmsg_sock+0x30/0x30
[  506.832661][ T7398]  ? syscall_enter_from_user_mode+0x26/0x80
[  506.838765][ T7398]  do_syscall_64+0x3f/0x110
[  506.843911][ T7398]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  506.849923][ T7398] RIP: 0033:0x7fa730b27eb9
[  506.854537][ T7398] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  506.874560][ T7398] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  506.883985][ T7398] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  506.892796][ T7398] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  506.901333][ T7398] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  506.909444][ T7398] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  506.917810][ T7398] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  506.925914][ T7398]  </TASK>
[  506.933743][ T7398] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  507.003891][ T7404] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  507.024094][ T7404] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  507.048237][ T7404] CPU: 0 PID: 7404 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  507.060430][ T7404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  507.070920][ T7404] Call Trace:
[  507.074595][ T7404]  <TASK>
[  507.077837][ T7404]  dump_stack_lvl+0x125/0x1b0
[  507.086059][ T7404]  sysfs_warn_dup+0x7f/0xa0
[  507.090888][ T7404]  sysfs_create_dir_ns+0x247/0x2a0
[  507.096783][ T7404]  ? sysfs_create_mount_point+0xb0/0xb0
[  507.102837][ T7404]  ? spin_bug+0x1c0/0x1c0
[  507.107507][ T7404]  ? net_namespace+0x12/0x40
[  507.113308][ T7404]  ? device_namespace+0x8d/0xc0
[  507.118465][ T7404]  kobject_add_internal+0x2c8/0x960
[  507.123812][ T7404]  kobject_add+0x16f/0x240
[  507.128286][ T7404]  ? kset_create_and_add+0x190/0x190
[  507.133789][ T7404]  ? do_raw_spin_unlock+0x172/0x230
[  507.139146][ T7404]  ? kobject_put+0xbe/0x440
[  507.143978][ T7404]  ? device_add+0xc35/0x1aa0
[  507.148800][ T7404]  device_add+0x289/0x1aa0
[  507.153302][ T7404]  ? device_initialize+0x510/0x510
[  507.159573][ T7404]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  507.165510][ T7404]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  507.172709][ T7404]  ? __init_waitqueue_head+0xca/0x150
[  507.178909][ T7404]  netdev_register_kobject+0x183/0x3f0
[  507.185333][ T7404]  register_netdevice+0xbdf/0x14a0
[  507.190875][ T7404]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  507.197464][ T7404]  ? team_nl_cmd_noop+0x280/0x280
[  507.202652][ T7404]  team_newlink+0x92/0x160
[  507.207205][ T7404]  ? team_nl_cmd_noop+0x280/0x280
[  507.212725][ T7404]  ? rtnl_create_link+0xa6d/0xfd0
[  507.218911][ T7404]  __rtnl_newlink+0x1173/0x1930
[  507.224097][ T7404]  ? rtnl_link_unregister+0x260/0x260
[  507.229635][ T7404]  rtnl_newlink+0x67/0xa0
[  507.234012][ T7404]  ? __rtnl_newlink+0x1930/0x1930
[  507.239256][ T7404]  rtnetlink_rcv_msg+0x3c7/0xe00
[  507.244413][ T7404]  ? rtnl_getlink+0xb40/0xb40
[  507.249151][ T7404]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  507.255198][ T7404]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  507.261360][ T7404]  ? __lock_acquire+0xc97/0x5dc0
[  507.266711][ T7404]  netlink_rcv_skb+0x16b/0x440
[  507.271521][ T7404]  ? rtnl_getlink+0xb40/0xb40
[  507.276367][ T7404]  ? netlink_ack+0x1370/0x1370
[  507.281251][ T7404]  ? lock_sync+0x180/0x180
[  507.285721][ T7404]  ? netlink_deliver_tap+0x1a0/0xd00
[  507.291151][ T7404]  ? _copy_from_iter+0x2c1/0x10f0
[  507.296483][ T7404]  netlink_unicast+0x53b/0x810
[  507.301461][ T7404]  ? netlink_attachskb+0x870/0x870
[  507.306630][ T7404]  ? __phys_addr_symbol+0x30/0x70
[  507.311717][ T7404]  ? __check_object_size+0x322/0x730
[  507.317124][ T7404]  netlink_sendmsg+0x939/0xe40
[  507.321930][ T7404]  ? netlink_unicast+0x810/0x810
[  507.326907][ T7404]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  507.332229][ T7404]  ? netlink_unicast+0x810/0x810
[  507.337199][ T7404]  __sock_sendmsg+0xd5/0x180
[  507.341822][ T7404]  ____sys_sendmsg+0x6ac/0x940
[  507.346796][ T7404]  ? copy_msghdr_from_user+0x10b/0x160
[  507.352792][ T7404]  ? kernel_sendmsg+0x50/0x50
[  507.357645][ T7404]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  507.363684][ T7404]  ___sys_sendmsg+0x135/0x1d0
[  507.368405][ T7404]  ? do_recvmmsg+0x740/0x740
[  507.373030][ T7404]  ? find_held_lock+0x2d/0x110
[  507.377932][ T7404]  ? preempt_count_sub+0x150/0x150
[  507.383285][ T7404]  ? __fget_light+0x1fa/0x260
[  507.388033][ T7404]  __sys_sendmsg+0x117/0x1e0
[  507.392770][ T7404]  ? __sys_sendmsg_sock+0x30/0x30
[  507.397863][ T7404]  ? syscall_enter_from_user_mode+0x26/0x80
[  507.403816][ T7404]  do_syscall_64+0x3f/0x110
[  507.408640][ T7404]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  507.414663][ T7404] RIP: 0033:0x7fa730b27eb9
[  507.419105][ T7404] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  507.439095][ T7404] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  507.447643][ T7404] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  507.455836][ T7404] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  507.464021][ T7404] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  507.472022][ T7404] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  507.480034][ T7404] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  507.488614][ T7404]  </TASK>
[  507.498509][ T7404] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  507.535214][ T7404] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  507.544903][ T7404] CPU: 0 PID: 7404 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  507.556421][ T7404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  507.566788][ T7404] Call Trace:
[  507.570096][ T7404]  <TASK>
[  507.573069][ T7404]  dump_stack_lvl+0x125/0x1b0
[  507.577801][ T7404]  sysfs_warn_dup+0x7f/0xa0
[  507.582507][ T7404]  sysfs_create_dir_ns+0x247/0x2a0
[  507.587755][ T7404]  ? sysfs_create_mount_point+0xb0/0xb0
[  507.593633][ T7404]  ? spin_bug+0x1c0/0x1c0
[  507.598197][ T7404]  ? net_namespace+0x12/0x40
[  507.603090][ T7404]  ? device_namespace+0x8d/0xc0
[  507.608428][ T7404]  kobject_add_internal+0x2c8/0x960
[  507.613703][ T7404]  kobject_add+0x16f/0x240
[  507.618363][ T7404]  ? kset_create_and_add+0x190/0x190
[  507.624565][ T7404]  ? do_raw_spin_unlock+0x172/0x230
[  507.630015][ T7404]  ? kobject_put+0xbe/0x440
[  507.635523][ T7404]  ? device_add+0xc35/0x1aa0
[  507.640413][ T7404]  device_add+0x289/0x1aa0
[  507.645130][ T7404]  ? device_initialize+0x510/0x510
[  507.650341][ T7404]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  507.656472][ T7404]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  507.663928][ T7404]  ? __init_waitqueue_head+0xca/0x150
[  507.669478][ T7404]  netdev_register_kobject+0x183/0x3f0
[  507.675159][ T7404]  register_netdevice+0xbdf/0x14a0
[  507.680921][ T7404]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  507.688071][ T7404]  ? validate_linkmsg+0x6fc/0x9c0
[  507.693320][ T7404]  ? rtnl_create_link+0xa6d/0xfd0
[  507.698655][ T7404]  ? batadv_get_sset_count+0x40/0x40
[  507.704090][ T7404]  batadv_softif_newlink+0x70/0x90
[  507.709381][ T7404]  __rtnl_newlink+0x1173/0x1930
[  507.714320][ T7404]  ? rtnl_link_unregister+0x260/0x260
[  507.719960][ T7404]  rtnl_newlink+0x67/0xa0
[  507.724488][ T7404]  ? __rtnl_newlink+0x1930/0x1930
[  507.729720][ T7404]  rtnetlink_rcv_msg+0x3c7/0xe00
[  507.734723][ T7404]  ? rtnl_getlink+0xb40/0xb40
[  507.739553][ T7404]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  507.745896][ T7404]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  507.751933][ T7404]  ? __lock_acquire+0xc97/0x5dc0
[  507.756932][ T7404]  netlink_rcv_skb+0x16b/0x440
[  507.761973][ T7404]  ? rtnl_getlink+0xb40/0xb40
[  507.766796][ T7404]  ? netlink_ack+0x1370/0x1370
[  507.771610][ T7404]  ? lock_sync+0x180/0x180
[  507.776109][ T7404]  ? netlink_deliver_tap+0x1a0/0xd00
[  507.782227][ T7404]  ? _copy_from_iter+0x2c1/0x10f0
[  507.787393][ T7404]  netlink_unicast+0x53b/0x810
[  507.792477][ T7404]  ? netlink_attachskb+0x870/0x870
[  507.797634][ T7404]  ? __phys_addr_symbol+0x30/0x70
[  507.802816][ T7404]  ? __check_object_size+0x322/0x730
[  507.808333][ T7404]  netlink_sendmsg+0x939/0xe40
[  507.813331][ T7404]  ? netlink_unicast+0x810/0x810
[  507.818506][ T7404]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  507.823832][ T7404]  ? netlink_unicast+0x810/0x810
[  507.828904][ T7404]  __sock_sendmsg+0xd5/0x180
[  507.833729][ T7404]  ____sys_sendmsg+0x6ac/0x940
[  507.838919][ T7404]  ? copy_msghdr_from_user+0x10b/0x160
[  507.844517][ T7404]  ? kernel_sendmsg+0x50/0x50
[  507.849235][ T7404]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  507.855528][ T7404]  ___sys_sendmsg+0x135/0x1d0
[  507.860356][ T7404]  ? do_recvmmsg+0x740/0x740
[  507.864986][ T7404]  ? find_held_lock+0x2d/0x110
[  507.869970][ T7404]  ? preempt_count_sub+0x150/0x150
[  507.875132][ T7404]  ? __fget_light+0x1fa/0x260
[  507.879964][ T7404]  __sys_sendmsg+0x117/0x1e0
[  507.884622][ T7404]  ? __sys_sendmsg_sock+0x30/0x30
[  507.889802][ T7404]  ? syscall_enter_from_user_mode+0x26/0x80
[  507.895825][ T7404]  do_syscall_64+0x3f/0x110
[  507.900375][ T7404]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  507.906305][ T7404] RIP: 0033:0x7fa730b27eb9
[  507.910843][ T7404] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  507.930676][ T7404] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  507.939204][ T7404] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  507.947225][ T7404] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  507.955320][ T7404] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  507.963333][ T7404] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  507.971513][ T7404] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  507.979649][ T7404]  </TASK>
[  507.988388][ T7404] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  508.073975][ T7409] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  508.093436][ T7409] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  508.123200][ T7409] CPU: 0 PID: 7409 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  508.134829][ T7409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  508.145025][ T7409] Call Trace:
[  508.148433][ T7409]  <TASK>
[  508.151429][ T7409]  dump_stack_lvl+0x125/0x1b0
[  508.156343][ T7409]  sysfs_warn_dup+0x7f/0xa0
[  508.160891][ T7409]  sysfs_create_dir_ns+0x247/0x2a0
[  508.166053][ T7409]  ? sysfs_create_mount_point+0xb0/0xb0
[  508.171811][ T7409]  ? spin_bug+0x1c0/0x1c0
[  508.176277][ T7409]  ? net_namespace+0x12/0x40
[  508.181179][ T7409]  ? device_namespace+0x8d/0xc0
[  508.186090][ T7409]  kobject_add_internal+0x2c8/0x960
[  508.191521][ T7409]  kobject_add+0x16f/0x240
[  508.196182][ T7409]  ? kset_create_and_add+0x190/0x190
[  508.201542][ T7409]  ? do_raw_spin_unlock+0x172/0x230
[  508.206968][ T7409]  ? kobject_put+0xbe/0x440
[  508.211700][ T7409]  ? device_add+0xc35/0x1aa0
[  508.216861][ T7409]  device_add+0x289/0x1aa0
[  508.221404][ T7409]  ? device_initialize+0x510/0x510
[  508.227070][ T7409]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  508.232919][ T7409]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  508.240071][ T7409]  ? __init_waitqueue_head+0xca/0x150
[  508.245935][ T7409]  netdev_register_kobject+0x183/0x3f0
[  508.251531][ T7409]  register_netdevice+0xbdf/0x14a0
[  508.256865][ T7409]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  508.262823][ T7409]  ? team_nl_cmd_noop+0x280/0x280
[  508.268080][ T7409]  team_newlink+0x92/0x160
[  508.272733][ T7409]  ? team_nl_cmd_noop+0x280/0x280
[  508.277973][ T7409]  ? rtnl_create_link+0xa6d/0xfd0
[  508.283061][ T7409]  __rtnl_newlink+0x1173/0x1930
[  508.288003][ T7409]  ? rtnl_link_unregister+0x260/0x260
[  508.293486][ T7409]  rtnl_newlink+0x67/0xa0
[  508.297900][ T7409]  ? __rtnl_newlink+0x1930/0x1930
[  508.302963][ T7409]  rtnetlink_rcv_msg+0x3c7/0xe00
[  508.307949][ T7409]  ? rtnl_getlink+0xb40/0xb40
[  508.312663][ T7409]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  508.318777][ T7409]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  508.324796][ T7409]  ? __lock_acquire+0xc97/0x5dc0
[  508.329869][ T7409]  netlink_rcv_skb+0x16b/0x440
[  508.334809][ T7409]  ? rtnl_getlink+0xb40/0xb40
[  508.339516][ T7409]  ? netlink_ack+0x1370/0x1370
[  508.344402][ T7409]  ? lock_sync+0x180/0x180
[  508.348871][ T7409]  ? netlink_deliver_tap+0x1a0/0xd00
[  508.354190][ T7409]  ? _copy_from_iter+0x2c1/0x10f0
[  508.359345][ T7409]  netlink_unicast+0x53b/0x810
[  508.364148][ T7409]  ? netlink_attachskb+0x870/0x870
[  508.369288][ T7409]  ? __phys_addr_symbol+0x30/0x70
[  508.374341][ T7409]  ? __check_object_size+0x322/0x730
[  508.379752][ T7409]  netlink_sendmsg+0x939/0xe40
[  508.384644][ T7409]  ? netlink_unicast+0x810/0x810
[  508.389649][ T7409]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  508.394960][ T7409]  ? netlink_unicast+0x810/0x810
[  508.399931][ T7409]  __sock_sendmsg+0xd5/0x180
[  508.404642][ T7409]  ____sys_sendmsg+0x6ac/0x940
[  508.409522][ T7409]  ? copy_msghdr_from_user+0x10b/0x160
[  508.415244][ T7409]  ? kernel_sendmsg+0x50/0x50
[  508.420042][ T7409]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  508.426250][ T7409]  ___sys_sendmsg+0x135/0x1d0
[  508.430963][ T7409]  ? do_recvmmsg+0x740/0x740
[  508.435586][ T7409]  ? find_held_lock+0x2d/0x110
[  508.440400][ T7409]  ? preempt_count_sub+0x150/0x150
[  508.445560][ T7409]  ? __fget_light+0x1fa/0x260
[  508.450358][ T7409]  __sys_sendmsg+0x117/0x1e0
[  508.454979][ T7409]  ? __sys_sendmsg_sock+0x30/0x30
[  508.460226][ T7409]  ? syscall_enter_from_user_mode+0x26/0x80
[  508.466415][ T7409]  do_syscall_64+0x3f/0x110
[  508.471040][ T7409]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  508.477052][ T7409] RIP: 0033:0x7fa730b27eb9
[  508.481482][ T7409] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  508.501658][ T7409] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  508.510284][ T7409] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  508.518626][ T7409] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  508.527309][ T7409] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  508.535306][ T7409] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  508.543741][ T7409] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  508.551866][ T7409]  </TASK>
[  508.567139][ T7409] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  508.594730][ T4736] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000'
[  508.605129][ T4736] CPU: 0 PID: 4736 Comm: dhcpcd Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  508.616035][ T4736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  508.626142][ T4736] Call Trace:
[  508.629454][ T4736]  <TASK>
[  508.632413][ T4736]  dump_stack_lvl+0x125/0x1b0
[  508.637226][ T4736]  sysfs_warn_dup+0x7f/0xa0
[  508.641850][ T4736]  sysfs_create_dir_ns+0x247/0x2a0
[  508.646989][ T4736]  ? sysfs_create_mount_point+0xb0/0xb0
[  508.652561][ T4736]  ? spin_bug+0x1c0/0x1c0
[  508.657031][ T4736]  ? net_namespace+0x12/0x40
[  508.661646][ T4736]  ? device_namespace+0x8d/0xc0
[  508.666708][ T4736]  kobject_add_internal+0x2c8/0x960
[  508.671936][ T4736]  kobject_add+0x16f/0x240
[  508.676367][ T4736]  ? kset_create_and_add+0x190/0x190
[  508.681675][ T4736]  ? do_raw_spin_unlock+0x172/0x230
[  508.686893][ T4736]  ? kobject_put+0xbe/0x440
[  508.691595][ T4736]  ? device_add+0xc35/0x1aa0
[  508.696471][ T4736]  device_add+0x289/0x1aa0
[  508.700900][ T4736]  ? device_initialize+0x510/0x510
[  508.706363][ T4736]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  508.712190][ T4736]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  508.719142][ T4736]  ? __init_waitqueue_head+0xca/0x150
[  508.724712][ T4736]  netdev_register_kobject+0x183/0x3f0
[  508.730209][ T4736]  register_netdevice+0xbdf/0x14a0
[  508.735335][ T4736]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  508.741235][ T4736]  ? alloc_netdev_mqs+0xee6/0x1290
[  508.746627][ T4736]  bpq_device_event+0x39e/0xaf0
[  508.751509][ T4736]  ? team_device_event+0x219/0x750
[  508.756790][ T4736]  notifier_call_chain+0xb6/0x3c0
[  508.761935][ T4736]  ? bpq_seq_stop+0xb0/0xb0
[  508.766544][ T4736]  call_netdevice_notifiers_info+0xbe/0x130
[  508.772955][ T4736]  __dev_notify_flags+0x12d/0x2e0
[  508.778198][ T4736]  ? dev_change_name+0x800/0x800
[  508.783263][ T4736]  ? dev_set_allmulti+0x30/0x30
[  508.788158][ T4736]  dev_change_flags+0x122/0x170
[  508.793128][ T4736]  devinet_ioctl+0x13ef/0x1f00
[  508.797995][ T4736]  ? inet_ifa_byprefix+0x2d0/0x2d0
[  508.803115][ T4736]  ? _copy_from_user+0x5d/0xf0
[  508.807896][ T4736]  inet_ioctl+0x3a6/0x3f0
[  508.812419][ T4736]  ? find_held_lock+0x2d/0x110
[  508.817196][ T4736]  ? ipip_gro_complete+0x140/0x140
[  508.822316][ T4736]  ? tomoyo_path_number_perm+0x28e/0x580
[  508.828057][ T4736]  ? tomoyo_path_number_perm+0x463/0x580
[  508.833712][ T4736]  ? __kmem_cache_free+0xc0/0x180
[  508.838759][ T4736]  ? tomoyo_execute_permission+0x4a0/0x4a0
[  508.844578][ T4736]  ? lockdep_hardirqs_on+0x7c/0x100
[  508.849804][ T4736]  sock_do_ioctl+0x113/0x270
[  508.854407][ T4736]  ? put_user_ifreq+0x130/0x130
[  508.859285][ T4736]  ? do_vfs_ioctl+0x379/0x1920
[  508.864089][ T4736]  ? vfs_fileattr_set+0xbf0/0xbf0
[  508.869229][ T4736]  sock_ioctl+0x22e/0x6b0
[  508.873573][ T4736]  ? br_ioctl_call+0xb0/0xb0
[  508.878265][ T4736]  ? __sys_socket+0xad/0x260
[  508.883130][ T4736]  ? bpf_lsm_file_ioctl+0x9/0x10
[  508.888868][ T4736]  ? br_ioctl_call+0xb0/0xb0
[  508.893645][ T4736]  __x64_sys_ioctl+0x18f/0x210
[  508.898511][ T4736]  do_syscall_64+0x3f/0x110
[  508.903067][ T4736]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  508.908989][ T4736] RIP: 0033:0x7f25075f2d49
[  508.913424][ T4736] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8
[  508.934115][ T4736] RSP: 002b:00007fff865bddb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  508.942545][ T4736] RAX: ffffffffffffffda RBX: 00007f25075246c0 RCX: 00007f25075f2d49
[  508.950531][ T4736] RDX: 00007fff865cdfa8 RSI: 0000000000008914 RDI: 0000000000000013
[  508.958595][ T4736] RBP: 00007fff865de168 R08: 00007fff865cdf68 R09: 00007fff865cdf18
[  508.966667][ T4736] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  508.974734][ T4736] R13: 00007fff865cdfa8 R14: 0000000000000028 R15: 0000000000008914
[  508.982858][ T4736]  </TASK>
[  508.987105][ T4736] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  509.013779][ T4736] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000'
[  509.023976][ T4736] CPU: 0 PID: 4736 Comm: dhcpcd Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  509.034962][ T4736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  509.045324][ T4736] Call Trace:
[  509.048636][ T4736]  <TASK>
[  509.051586][ T4736]  dump_stack_lvl+0x125/0x1b0
[  509.056301][ T4736]  sysfs_warn_dup+0x7f/0xa0
[  509.061283][ T4736]  sysfs_create_dir_ns+0x247/0x2a0
[  509.066538][ T4736]  ? sysfs_create_mount_point+0xb0/0xb0
[  509.072225][ T4736]  ? spin_bug+0x1c0/0x1c0
[  509.076688][ T4736]  ? net_namespace+0x12/0x40
[  509.081396][ T4736]  ? device_namespace+0x8d/0xc0
[  509.086567][ T4736]  kobject_add_internal+0x2c8/0x960
[  509.091842][ T4736]  kobject_add+0x16f/0x240
[  509.096391][ T4736]  ? kset_create_and_add+0x190/0x190
[  509.101813][ T4736]  ? do_raw_spin_unlock+0x172/0x230
[  509.107157][ T4736]  ? kobject_put+0xbe/0x440
[  509.111796][ T4736]  ? device_add+0xc35/0x1aa0
[  509.116624][ T4736]  device_add+0x289/0x1aa0
[  509.121170][ T4736]  ? device_initialize+0x510/0x510
[  509.126310][ T4736]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  509.132169][ T4736]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  509.139150][ T4736]  ? __init_waitqueue_head+0xca/0x150
[  509.144657][ T4736]  netdev_register_kobject+0x183/0x3f0
[  509.150163][ T4736]  register_netdevice+0xbdf/0x14a0
[  509.155334][ T4736]  ? lockdep_hardirqs_on+0x7c/0x100
[  509.160703][ T4736]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  509.167362][ T4736]  ? lapbeth_setup+0x170/0x170
[  509.172210][ T4736]  lapbeth_device_event+0x5b8/0xd40
[  509.177652][ T4736]  notifier_call_chain+0xb6/0x3c0
[  509.182819][ T4736]  ? lapbeth_xmit+0x290/0x290
[  509.187546][ T4736]  call_netdevice_notifiers_info+0xbe/0x130
[  509.193683][ T4736]  __dev_notify_flags+0x12d/0x2e0
[  509.198758][ T4736]  ? dev_change_name+0x800/0x800
[  509.203740][ T4736]  ? dev_set_allmulti+0x30/0x30
[  509.208639][ T4736]  dev_change_flags+0x122/0x170
[  509.213633][ T4736]  devinet_ioctl+0x13ef/0x1f00
[  509.218609][ T4736]  ? inet_ifa_byprefix+0x2d0/0x2d0
[  509.224012][ T4736]  ? _copy_from_user+0x5d/0xf0
[  509.228816][ T4736]  inet_ioctl+0x3a6/0x3f0
[  509.233260][ T4736]  ? find_held_lock+0x2d/0x110
[  509.238149][ T4736]  ? ipip_gro_complete+0x140/0x140
[  509.243474][ T4736]  ? tomoyo_path_number_perm+0x28e/0x580
[  509.249151][ T4736]  ? tomoyo_path_number_perm+0x463/0x580
[  509.255082][ T4736]  ? __kmem_cache_free+0xc0/0x180
[  509.260152][ T4736]  ? tomoyo_execute_permission+0x4a0/0x4a0
[  509.266000][ T4736]  ? lockdep_hardirqs_on+0x7c/0x100
[  509.271852][ T4736]  sock_do_ioctl+0x113/0x270
[  509.276738][ T4736]  ? put_user_ifreq+0x130/0x130
[  509.281702][ T4736]  ? do_vfs_ioctl+0x379/0x1920
[  509.286509][ T4736]  ? vfs_fileattr_set+0xbf0/0xbf0
[  509.291668][ T4736]  sock_ioctl+0x22e/0x6b0
[  509.296290][ T4736]  ? br_ioctl_call+0xb0/0xb0
[  509.301042][ T4736]  ? __sys_socket+0xad/0x260
[  509.305664][ T4736]  ? bpf_lsm_file_ioctl+0x9/0x10
[  509.310632][ T4736]  ? br_ioctl_call+0xb0/0xb0
[  509.315250][ T4736]  __x64_sys_ioctl+0x18f/0x210
[  509.320148][ T4736]  do_syscall_64+0x3f/0x110
[  509.325125][ T4736]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  509.331145][ T4736] RIP: 0033:0x7f25075f2d49
[  509.335932][ T4736] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8
[  509.356185][ T4736] RSP: 002b:00007fff865bddb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  509.364639][ T4736] RAX: ffffffffffffffda RBX: 00007f25075246c0 RCX: 00007f25075f2d49
[  509.372822][ T4736] RDX: 00007fff865cdfa8 RSI: 0000000000008914 RDI: 0000000000000013
[  509.381202][ T4736] RBP: 00007fff865de168 R08: 00007fff865cdf68 R09: 00007fff865cdf18
[  509.389384][ T4736] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  509.397499][ T4736] R13: 00007fff865cdfa8 R14: 0000000000000028 R15: 0000000000008914
[  509.405609][ T4736]  </TASK>
[  509.410967][ T4736] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  509.428802][ T4736] 8021q: adding VLAN 0 to HW filter on device team3
[  509.439831][ T7409] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  509.461635][ T7409] CPU: 0 PID: 7409 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  509.473461][ T7409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  509.483665][ T7409] Call Trace:
[  509.487155][ T7409]  <TASK>
[  509.490108][ T7409]  dump_stack_lvl+0x125/0x1b0
[  509.494829][ T7409]  sysfs_warn_dup+0x7f/0xa0
[  509.499359][ T7409]  sysfs_create_dir_ns+0x247/0x2a0
[  509.504497][ T7409]  ? sysfs_create_mount_point+0xb0/0xb0
[  509.510098][ T7409]  ? spin_bug+0x1c0/0x1c0
[  509.514554][ T7409]  ? net_namespace+0x12/0x40
[  509.519170][ T7409]  ? device_namespace+0x8d/0xc0
[  509.524061][ T7409]  kobject_add_internal+0x2c8/0x960
[  509.529377][ T7409]  kobject_add+0x16f/0x240
[  509.533824][ T7409]  ? kset_create_and_add+0x190/0x190
[  509.539128][ T7409]  ? do_raw_spin_unlock+0x172/0x230
[  509.544542][ T7409]  ? kobject_put+0xbe/0x440
[  509.549060][ T7409]  ? device_add+0xc35/0x1aa0
[  509.553753][ T7409]  device_add+0x289/0x1aa0
[  509.558183][ T7409]  ? device_initialize+0x510/0x510
[  509.563385][ T7409]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  509.569384][ T7409]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  509.576454][ T7409]  ? __init_waitqueue_head+0xca/0x150
[  509.582053][ T7409]  netdev_register_kobject+0x183/0x3f0
[  509.587942][ T7409]  register_netdevice+0xbdf/0x14a0
[  509.593213][ T7409]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  509.599121][ T7409]  ? validate_linkmsg+0x6fc/0x9c0
[  509.604347][ T7409]  ? rtnl_create_link+0xa6d/0xfd0
[  509.609390][ T7409]  ? batadv_get_sset_count+0x40/0x40
[  509.615046][ T7409]  batadv_softif_newlink+0x70/0x90
[  509.620182][ T7409]  __rtnl_newlink+0x1173/0x1930
[  509.625256][ T7409]  ? rtnl_link_unregister+0x260/0x260
[  509.630803][ T7409]  rtnl_newlink+0x67/0xa0
[  509.636014][ T7409]  ? __rtnl_newlink+0x1930/0x1930
[  509.641099][ T7409]  rtnetlink_rcv_msg+0x3c7/0xe00
[  509.646109][ T7409]  ? rtnl_getlink+0xb40/0xb40
[  509.650923][ T7409]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  509.656942][ T7409]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  509.662963][ T7409]  ? __lock_acquire+0xc97/0x5dc0
[  509.668038][ T7409]  netlink_rcv_skb+0x16b/0x440
[  509.673078][ T7409]  ? rtnl_getlink+0xb40/0xb40
[  509.677795][ T7409]  ? netlink_ack+0x1370/0x1370
[  509.682667][ T7409]  ? lock_sync+0x180/0x180
[  509.687495][ T7409]  ? netlink_deliver_tap+0x1a0/0xd00
[  509.693245][ T7409]  ? _copy_from_iter+0x2c1/0x10f0
[  509.698353][ T7409]  netlink_unicast+0x53b/0x810
[  509.703265][ T7409]  ? netlink_attachskb+0x870/0x870
[  509.708391][ T7409]  ? __phys_addr_symbol+0x30/0x70
[  509.713706][ T7409]  ? __check_object_size+0x322/0x730
[  509.719005][ T7409]  netlink_sendmsg+0x939/0xe40
[  509.724077][ T7409]  ? netlink_unicast+0x810/0x810
[  509.729063][ T7409]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  509.734469][ T7409]  ? netlink_unicast+0x810/0x810
[  509.739620][ T7409]  __sock_sendmsg+0xd5/0x180
[  509.744407][ T7409]  ____sys_sendmsg+0x6ac/0x940
[  509.749189][ T7409]  ? copy_msghdr_from_user+0x10b/0x160
[  509.754924][ T7409]  ? kernel_sendmsg+0x50/0x50
[  509.759701][ T7409]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  509.765830][ T7409]  ___sys_sendmsg+0x135/0x1d0
[  509.770529][ T7409]  ? do_recvmmsg+0x740/0x740
[  509.775428][ T7409]  ? find_held_lock+0x2d/0x110
[  509.780467][ T7409]  ? preempt_count_sub+0x150/0x150
[  509.785619][ T7409]  ? __fget_light+0x1fa/0x260
[  509.790324][ T7409]  __sys_sendmsg+0x117/0x1e0
[  509.795036][ T7409]  ? __sys_sendmsg_sock+0x30/0x30
[  509.800263][ T7409]  ? syscall_enter_from_user_mode+0x26/0x80
[  509.806441][ T7409]  do_syscall_64+0x3f/0x110
[  509.810979][ T7409]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  509.817059][ T7409] RIP: 0033:0x7fa730b27eb9
[  509.821591][ T7409] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  509.841630][ T7409] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  509.850332][ T7409] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  509.858516][ T7409] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  509.866910][ T7409] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  509.874916][ T7409] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  509.882927][ T7409] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  509.890969][ T7409]  </TASK>
[  509.935644][ T7409] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  510.013840][ T7414] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  510.044387][ T7414] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  510.061577][ T7414] CPU: 0 PID: 7414 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  510.073748][ T7414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  510.086079][ T7414] Call Trace:
[  510.089547][ T7414]  <TASK>
[  510.092687][ T7414]  dump_stack_lvl+0x125/0x1b0
[  510.097978][ T7414]  sysfs_warn_dup+0x7f/0xa0
[  510.102802][ T7414]  sysfs_create_dir_ns+0x247/0x2a0
[  510.107950][ T7414]  ? sysfs_create_mount_point+0xb0/0xb0
[  510.113552][ T7414]  ? spin_bug+0x1c0/0x1c0
[  510.117932][ T7414]  ? net_namespace+0x12/0x40
[  510.122752][ T7414]  ? device_namespace+0x8d/0xc0
[  510.128352][ T7414]  kobject_add_internal+0x2c8/0x960
[  510.133694][ T7414]  kobject_add+0x16f/0x240
[  510.138360][ T7414]  ? kset_create_and_add+0x190/0x190
[  510.143792][ T7414]  ? do_raw_spin_unlock+0x172/0x230
[  510.149225][ T7414]  ? kobject_put+0xbe/0x440
[  510.153781][ T7414]  ? device_add+0xc35/0x1aa0
[  510.158545][ T7414]  device_add+0x289/0x1aa0
[  510.163533][ T7414]  ? device_initialize+0x510/0x510
[  510.169210][ T7414]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  510.176023][ T7414]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  510.183041][ T7414]  ? __init_waitqueue_head+0xca/0x150
[  510.189344][ T7414]  netdev_register_kobject+0x183/0x3f0
[  510.194948][ T7414]  register_netdevice+0xbdf/0x14a0
[  510.200554][ T7414]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  510.206604][ T7414]  ? team_nl_cmd_noop+0x280/0x280
[  510.212036][ T7414]  team_newlink+0x92/0x160
[  510.216683][ T7414]  ? team_nl_cmd_noop+0x280/0x280
[  510.221850][ T7414]  ? rtnl_create_link+0xa6d/0xfd0
[  510.226947][ T7414]  __rtnl_newlink+0x1173/0x1930
[  510.232113][ T7414]  ? rtnl_link_unregister+0x260/0x260
[  510.238003][ T7414]  rtnl_newlink+0x67/0xa0
[  510.242649][ T7414]  ? __rtnl_newlink+0x1930/0x1930
[  510.249458][ T7414]  rtnetlink_rcv_msg+0x3c7/0xe00
[  510.254445][ T7414]  ? rtnl_getlink+0xb40/0xb40
[  510.259253][ T7414]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  510.265637][ T7414]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  510.271855][ T7414]  ? __lock_acquire+0xc97/0x5dc0
[  510.276981][ T7414]  netlink_rcv_skb+0x16b/0x440
[  510.281797][ T7414]  ? rtnl_getlink+0xb40/0xb40
[  510.286615][ T7414]  ? netlink_ack+0x1370/0x1370
[  510.291504][ T7414]  ? lock_sync+0x180/0x180
[  510.296164][ T7414]  ? netlink_deliver_tap+0x1a0/0xd00
[  510.301680][ T7414]  ? _copy_from_iter+0x2c1/0x10f0
[  510.306936][ T7414]  netlink_unicast+0x53b/0x810
[  510.311853][ T7414]  ? netlink_attachskb+0x870/0x870
[  510.317190][ T7414]  ? __phys_addr_symbol+0x30/0x70
[  510.322279][ T7414]  ? __check_object_size+0x322/0x730
[  510.327796][ T7414]  netlink_sendmsg+0x939/0xe40
[  510.332800][ T7414]  ? netlink_unicast+0x810/0x810
[  510.338580][ T7414]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  510.344097][ T7414]  ? netlink_unicast+0x810/0x810
[  510.349651][ T7414]  __sock_sendmsg+0xd5/0x180
[  510.354555][ T7414]  ____sys_sendmsg+0x6ac/0x940
[  510.359425][ T7414]  ? copy_msghdr_from_user+0x10b/0x160
[  510.364937][ T7414]  ? kernel_sendmsg+0x50/0x50
[  510.369667][ T7414]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  510.375707][ T7414]  ___sys_sendmsg+0x135/0x1d0
[  510.380786][ T7414]  ? do_recvmmsg+0x740/0x740
[  510.385543][ T7414]  ? find_held_lock+0x2d/0x110
[  510.390469][ T7414]  ? preempt_count_sub+0x150/0x150
[  510.395645][ T7414]  ? __fget_light+0x1fa/0x260
[  510.400650][ T7414]  __sys_sendmsg+0x117/0x1e0
[  510.405304][ T7414]  ? __sys_sendmsg_sock+0x30/0x30
[  510.410770][ T7414]  ? syscall_enter_from_user_mode+0x26/0x80
[  510.416990][ T7414]  do_syscall_64+0x3f/0x110
[  510.421544][ T7414]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  510.427563][ T7414] RIP: 0033:0x7fa730b27eb9
[  510.432279][ T7414] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  510.451939][ T7414] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  510.460634][ T7414] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  510.468806][ T7414] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  510.476803][ T7414] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  510.485059][ T7414] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  510.493049][ T7414] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  510.501068][ T7414]  </TASK>
[  510.505399][ T7414] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  510.533566][ T4736] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000'
[  510.543352][ T4736] CPU: 1 PID: 4736 Comm: dhcpcd Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  510.554059][ T4736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  510.564247][ T4736] Call Trace:
[  510.567643][ T4736]  <TASK>
[  510.570679][ T4736]  dump_stack_lvl+0x125/0x1b0
[  510.575658][ T4736]  sysfs_warn_dup+0x7f/0xa0
[  510.580192][ T4736]  sysfs_create_dir_ns+0x247/0x2a0
[  510.585331][ T4736]  ? sysfs_create_mount_point+0xb0/0xb0
[  510.591006][ T4736]  ? spin_bug+0x1c0/0x1c0
[  510.595413][ T4736]  ? net_namespace+0x12/0x40
[  510.600029][ T4736]  ? device_namespace+0x8d/0xc0
[  510.605013][ T4736]  kobject_add_internal+0x2c8/0x960
[  510.610435][ T4736]  kobject_add+0x16f/0x240
[  510.614889][ T4736]  ? kset_create_and_add+0x190/0x190
[  510.620306][ T4736]  ? do_raw_spin_unlock+0x172/0x230
[  510.625636][ T4736]  ? kobject_put+0xbe/0x440
[  510.630172][ T4736]  ? device_add+0xc35/0x1aa0
[  510.634789][ T4736]  device_add+0x289/0x1aa0
[  510.639305][ T4736]  ? device_initialize+0x510/0x510
[  510.644531][ T4736]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  510.650353][ T4736]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  510.657222][ T4736]  ? __init_waitqueue_head+0xca/0x150
[  510.662614][ T4736]  netdev_register_kobject+0x183/0x3f0
[  510.668190][ T4736]  register_netdevice+0xbdf/0x14a0
[  510.673320][ T4736]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  510.679410][ T4736]  ? alloc_netdev_mqs+0xee6/0x1290
[  510.684902][ T4736]  bpq_device_event+0x39e/0xaf0
[  510.689777][ T4736]  ? team_device_event+0x219/0x750
[  510.694946][ T4736]  notifier_call_chain+0xb6/0x3c0
[  510.701119][ T4736]  ? bpq_seq_stop+0xb0/0xb0
[  510.705642][ T4736]  call_netdevice_notifiers_info+0xbe/0x130
[  510.711558][ T4736]  __dev_notify_flags+0x12d/0x2e0
[  510.716770][ T4736]  ? dev_change_name+0x800/0x800
[  510.721937][ T4736]  ? dev_set_allmulti+0x30/0x30
[  510.726809][ T4736]  dev_change_flags+0x122/0x170
[  510.731678][ T4736]  devinet_ioctl+0x13ef/0x1f00
[  510.736718][ T4736]  ? inet_ifa_byprefix+0x2d0/0x2d0
[  510.741940][ T4736]  ? _copy_from_user+0x5d/0xf0
[  510.746932][ T4736]  inet_ioctl+0x3a6/0x3f0
[  510.751527][ T4736]  ? find_held_lock+0x2d/0x110
[  510.760574][ T4736]  ? ipip_gro_complete+0x140/0x140
[  510.765697][ T4736]  ? tomoyo_path_number_perm+0x28e/0x580
[  510.771872][ T4736]  ? tomoyo_path_number_perm+0x463/0x580
[  510.777953][ T4736]  ? __kmem_cache_free+0xc0/0x180
[  510.783614][ T4736]  ? tomoyo_execute_permission+0x4a0/0x4a0
[  510.789703][ T4736]  ? lockdep_hardirqs_on+0x7c/0x100
[  510.794957][ T4736]  sock_do_ioctl+0x113/0x270
[  510.799563][ T4736]  ? put_user_ifreq+0x130/0x130
[  510.804490][ T4736]  ? do_vfs_ioctl+0x379/0x1920
[  510.809354][ T4736]  ? vfs_fileattr_set+0xbf0/0xbf0
[  510.814580][ T4736]  sock_ioctl+0x22e/0x6b0
[  510.818929][ T4736]  ? br_ioctl_call+0xb0/0xb0
[  510.823535][ T4736]  ? __sys_socket+0xad/0x260
[  510.828229][ T4736]  ? bpf_lsm_file_ioctl+0x9/0x10
[  510.833194][ T4736]  ? br_ioctl_call+0xb0/0xb0
[  510.837969][ T4736]  __x64_sys_ioctl+0x18f/0x210
[  510.843068][ T4736]  do_syscall_64+0x3f/0x110
[  510.847590][ T4736]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  510.853494][ T4736] RIP: 0033:0x7f25075f2d49
[  510.857914][ T4736] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8
[  510.877793][ T4736] RSP: 002b:00007fff865bddb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  510.886220][ T4736] RAX: ffffffffffffffda RBX: 00007f25075246c0 RCX: 00007f25075f2d49
[  510.894289][ T4736] RDX: 00007fff865cdfa8 RSI: 0000000000008914 RDI: 0000000000000013
[  510.902720][ T4736] RBP: 00007fff865de168 R08: 00007fff865cdf68 R09: 00007fff865cdf18
[  510.910890][ T4736] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  510.918902][ T4736] R13: 00007fff865cdfa8 R14: 0000000000000028 R15: 0000000000008914
[  510.927528][ T4736]  </TASK>
[  510.933692][ T4736] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  510.976774][ T4736] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000'
[  510.986660][ T4736] CPU: 1 PID: 4736 Comm: dhcpcd Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  510.997467][ T4736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  511.007637][ T4736] Call Trace:
[  511.011035][ T4736]  <TASK>
[  511.014171][ T4736]  dump_stack_lvl+0x125/0x1b0
[  511.018979][ T4736]  sysfs_warn_dup+0x7f/0xa0
[  511.023531][ T4736]  sysfs_create_dir_ns+0x247/0x2a0
[  511.028722][ T4736]  ? sysfs_create_mount_point+0xb0/0xb0
[  511.034314][ T4736]  ? spin_bug+0x1c0/0x1c0
[  511.038780][ T4736]  ? net_namespace+0x12/0x40
[  511.043756][ T4736]  ? device_namespace+0x8d/0xc0
[  511.048687][ T4736]  kobject_add_internal+0x2c8/0x960
[  511.054130][ T4736]  kobject_add+0x16f/0x240
[  511.058681][ T4736]  ? kset_create_and_add+0x190/0x190
[  511.064120][ T4736]  ? do_raw_spin_unlock+0x172/0x230
[  511.069463][ T4736]  ? kobject_put+0xbe/0x440
[  511.074402][ T4736]  ? device_add+0xc35/0x1aa0
[  511.079268][ T4736]  device_add+0x289/0x1aa0
[  511.083904][ T4736]  ? device_initialize+0x510/0x510
[  511.089399][ T4736]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  511.095355][ T4736]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  511.102432][ T4736]  ? __init_waitqueue_head+0xca/0x150
[  511.107852][ T4736]  netdev_register_kobject+0x183/0x3f0
[  511.113368][ T4736]  register_netdevice+0xbdf/0x14a0
[  511.118689][ T4736]  ? lockdep_hardirqs_on+0x7c/0x100
[  511.124041][ T4736]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  511.130058][ T4736]  ? lapbeth_setup+0x170/0x170
[  511.134863][ T4736]  lapbeth_device_event+0x5b8/0xd40
[  511.140207][ T4736]  notifier_call_chain+0xb6/0x3c0
[  511.145274][ T4736]  ? lapbeth_xmit+0x290/0x290
[  511.150079][ T4736]  call_netdevice_notifiers_info+0xbe/0x130
[  511.156028][ T4736]  __dev_notify_flags+0x12d/0x2e0
[  511.161197][ T4736]  ? dev_change_name+0x800/0x800
[  511.166213][ T4736]  ? dev_set_allmulti+0x30/0x30
[  511.171292][ T4736]  dev_change_flags+0x122/0x170
[  511.176399][ T4736]  devinet_ioctl+0x13ef/0x1f00
[  511.181205][ T4736]  ? inet_ifa_byprefix+0x2d0/0x2d0
[  511.186477][ T4736]  ? _copy_from_user+0x5d/0xf0
[  511.191277][ T4736]  inet_ioctl+0x3a6/0x3f0
[  511.195641][ T4736]  ? find_held_lock+0x2d/0x110
[  511.200441][ T4736]  ? ipip_gro_complete+0x140/0x140
[  511.205842][ T4736]  ? tomoyo_path_number_perm+0x28e/0x580
[  511.211685][ T4736]  ? tomoyo_path_number_perm+0x463/0x580
[  511.218131][ T4736]  ? __kmem_cache_free+0xc0/0x180
[  511.223209][ T4736]  ? tomoyo_execute_permission+0x4a0/0x4a0
[  511.229087][ T4736]  ? lockdep_hardirqs_on+0x7c/0x100
[  511.234574][ T4736]  sock_do_ioctl+0x113/0x270
[  511.239452][ T4736]  ? put_user_ifreq+0x130/0x130
[  511.244411][ T4736]  ? do_vfs_ioctl+0x379/0x1920
[  511.249210][ T4736]  ? vfs_fileattr_set+0xbf0/0xbf0
[  511.254473][ T4736]  sock_ioctl+0x22e/0x6b0
[  511.258831][ T4736]  ? br_ioctl_call+0xb0/0xb0
[  511.263469][ T4736]  ? __sys_socket+0xad/0x260
[  511.268089][ T4736]  ? bpf_lsm_file_ioctl+0x9/0x10
[  511.273345][ T4736]  ? br_ioctl_call+0xb0/0xb0
[  511.278424][ T4736]  __x64_sys_ioctl+0x18f/0x210
[  511.283427][ T4736]  do_syscall_64+0x3f/0x110
[  511.287988][ T4736]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  511.294198][ T4736] RIP: 0033:0x7f25075f2d49
[  511.298752][ T4736] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8
[  511.318587][ T4736] RSP: 002b:00007fff865bddb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  511.327308][ T4736] RAX: ffffffffffffffda RBX: 00007f25075246c0 RCX: 00007f25075f2d49
[  511.335411][ T4736] RDX: 00007fff865cdfa8 RSI: 0000000000008914 RDI: 0000000000000013
[  511.343423][ T4736] RBP: 00007fff865de168 R08: 00007fff865cdf68 R09: 00007fff865cdf18
[  511.351513][ T4736] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  511.359939][ T4736] R13: 00007fff865cdfa8 R14: 0000000000000028 R15: 0000000000008914
[  511.368046][ T4736]  </TASK>
[  511.383848][ T4736] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  511.399836][ T4736] 8021q: adding VLAN 0 to HW filter on device team4
[  511.414308][ T7414] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  511.441724][ T7414] CPU: 0 PID: 7414 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  511.453292][ T7414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  511.463390][ T7414] Call Trace:
[  511.466712][ T7414]  <TASK>
[  511.469741][ T7414]  dump_stack_lvl+0x125/0x1b0
[  511.474553][ T7414]  sysfs_warn_dup+0x7f/0xa0
[  511.479245][ T7414]  sysfs_create_dir_ns+0x247/0x2a0
[  511.484399][ T7414]  ? sysfs_create_mount_point+0xb0/0xb0
[  511.490259][ T7414]  ? spin_bug+0x1c0/0x1c0
[  511.494737][ T7414]  ? net_namespace+0x12/0x40
[  511.499799][ T7414]  ? device_namespace+0x8d/0xc0
[  511.504707][ T7414]  kobject_add_internal+0x2c8/0x960
[  511.509968][ T7414]  kobject_add+0x16f/0x240
[  511.514531][ T7414]  ? kset_create_and_add+0x190/0x190
[  511.520052][ T7414]  ? do_raw_spin_unlock+0x172/0x230
[  511.525569][ T7414]  ? kobject_put+0xbe/0x440
[  511.530329][ T7414]  ? device_add+0xc35/0x1aa0
[  511.535152][ T7414]  device_add+0x289/0x1aa0
[  511.539704][ T7414]  ? device_initialize+0x510/0x510
[  511.545807][ T7414]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  511.551851][ T7414]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  511.558849][ T7414]  ? __init_waitqueue_head+0xca/0x150
[  511.564276][ T7414]  netdev_register_kobject+0x183/0x3f0
[  511.569960][ T7414]  register_netdevice+0xbdf/0x14a0
[  511.575388][ T7414]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  511.581326][ T7414]  ? validate_linkmsg+0x6fc/0x9c0
[  511.586581][ T7414]  ? rtnl_create_link+0xa6d/0xfd0
[  511.592370][ T7414]  ? batadv_get_sset_count+0x40/0x40
[  511.597869][ T7414]  batadv_softif_newlink+0x70/0x90
[  511.603220][ T7414]  __rtnl_newlink+0x1173/0x1930
[  511.608349][ T7414]  ? rtnl_link_unregister+0x260/0x260
[  511.613930][ T7414]  rtnl_newlink+0x67/0xa0
[  511.618310][ T7414]  ? __rtnl_newlink+0x1930/0x1930
[  511.623374][ T7414]  rtnetlink_rcv_msg+0x3c7/0xe00
[  511.628444][ T7414]  ? rtnl_getlink+0xb40/0xb40
[  511.633338][ T7414]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  511.639378][ T7414]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  511.645524][ T7414]  ? __lock_acquire+0xc97/0x5dc0
[  511.650523][ T7414]  netlink_rcv_skb+0x16b/0x440
[  511.655345][ T7414]  ? rtnl_getlink+0xb40/0xb40
[  511.660165][ T7414]  ? netlink_ack+0x1370/0x1370
[  511.664973][ T7414]  ? lock_sync+0x180/0x180
[  511.669547][ T7414]  ? netlink_deliver_tap+0x1a0/0xd00
[  511.674976][ T7414]  ? _copy_from_iter+0x2c1/0x10f0
[  511.680234][ T7414]  netlink_unicast+0x53b/0x810
[  511.685066][ T7414]  ? netlink_attachskb+0x870/0x870
[  511.690321][ T7414]  ? __phys_addr_symbol+0x30/0x70
[  511.695491][ T7414]  ? __check_object_size+0x322/0x730
[  511.700825][ T7414]  netlink_sendmsg+0x939/0xe40
[  511.706090][ T7414]  ? netlink_unicast+0x810/0x810
[  511.711101][ T7414]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  511.716796][ T7414]  ? netlink_unicast+0x810/0x810
[  511.722151][ T7414]  __sock_sendmsg+0xd5/0x180
[  511.726966][ T7414]  ____sys_sendmsg+0x6ac/0x940
[  511.731953][ T7414]  ? copy_msghdr_from_user+0x10b/0x160
[  511.737548][ T7414]  ? kernel_sendmsg+0x50/0x50
[  511.742278][ T7414]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  511.748592][ T7414]  ___sys_sendmsg+0x135/0x1d0
[  511.753414][ T7414]  ? do_recvmmsg+0x740/0x740
[  511.758143][ T7414]  ? find_held_lock+0x2d/0x110
[  511.763150][ T7414]  ? preempt_count_sub+0x150/0x150
[  511.768329][ T7414]  ? __fget_light+0x1fa/0x260
[  511.773153][ T7414]  __sys_sendmsg+0x117/0x1e0
[  511.777915][ T7414]  ? __sys_sendmsg_sock+0x30/0x30
[  511.783023][ T7414]  ? syscall_enter_from_user_mode+0x26/0x80
[  511.789074][ T7414]  do_syscall_64+0x3f/0x110
[  511.793643][ T7414]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  511.799676][ T7414] RIP: 0033:0x7fa730b27eb9
[  511.804127][ T7414] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  511.823959][ T7414] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  511.832430][ T7414] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  511.840618][ T7414] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  511.848646][ T7414] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  511.856746][ T7414] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  511.864845][ T7414] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  511.873145][ T7414]  </TASK>
[  511.955072][ T7414] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  512.000894][ T4736] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000'
[  512.013815][ T4736] CPU: 1 PID: 4736 Comm: dhcpcd Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  512.024471][ T4736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  512.034834][ T4736] Call Trace:
[  512.038404][ T4736]  <TASK>
[  512.041380][ T4736]  dump_stack_lvl+0x125/0x1b0
[  512.046222][ T4736]  sysfs_warn_dup+0x7f/0xa0
[  512.050875][ T4736]  sysfs_create_dir_ns+0x247/0x2a0
[  512.056224][ T4736]  ? sysfs_create_mount_point+0xb0/0xb0
[  512.061908][ T4736]  ? spin_bug+0x1c0/0x1c0
[  512.066290][ T4736]  ? net_namespace+0x12/0x40
[  512.070912][ T4736]  ? device_namespace+0x8d/0xc0
[  512.075828][ T4736]  kobject_add_internal+0x2c8/0x960
[  512.081089][ T4736]  kobject_add+0x16f/0x240
[  512.085567][ T4736]  ? kset_create_and_add+0x190/0x190
[  512.090984][ T4736]  ? do_raw_spin_unlock+0x172/0x230
[  512.096308][ T4736]  ? kobject_put+0xbe/0x440
[  512.100956][ T4736]  ? device_add+0xc35/0x1aa0
[  512.105587][ T4736]  device_add+0x289/0x1aa0
[  512.110387][ T4736]  ? device_initialize+0x510/0x510
[  512.115642][ T4736]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  512.121923][ T4736]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  512.128914][ T4736]  ? __init_waitqueue_head+0xca/0x150
[  512.134419][ T4736]  netdev_register_kobject+0x183/0x3f0
[  512.139959][ T4736]  register_netdevice+0xbdf/0x14a0
[  512.145408][ T4736]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  512.151359][ T4736]  ? alloc_netdev_mqs+0xee6/0x1290
[  512.156778][ T4736]  bpq_device_event+0x39e/0xaf0
[  512.161765][ T4736]  ? team_device_event+0x219/0x750
[  512.167123][ T4736]  notifier_call_chain+0xb6/0x3c0
[  512.172200][ T4736]  ? bpq_seq_stop+0xb0/0xb0
[  512.176926][ T4736]  call_netdevice_notifiers_info+0xbe/0x130
[  512.183002][ T4736]  __dev_notify_flags+0x12d/0x2e0
[  512.188076][ T4736]  ? dev_change_name+0x800/0x800
[  512.193241][ T4736]  ? dev_set_allmulti+0x30/0x30
[  512.198138][ T4736]  dev_change_flags+0x122/0x170
[  512.203221][ T4736]  devinet_ioctl+0x13ef/0x1f00
[  512.209331][ T4736]  ? inet_ifa_byprefix+0x2d0/0x2d0
[  512.214508][ T4736]  ? _copy_from_user+0x5d/0xf0
[  512.219440][ T4736]  inet_ioctl+0x3a6/0x3f0
[  512.223817][ T4736]  ? find_held_lock+0x2d/0x110
[  512.228620][ T4736]  ? ipip_gro_complete+0x140/0x140
[  512.235067][ T4736]  ? tomoyo_path_number_perm+0x28e/0x580
[  512.240751][ T4736]  ? tomoyo_path_number_perm+0x463/0x580
[  512.246611][ T4736]  ? __kmem_cache_free+0xc0/0x180
[  512.251699][ T4736]  ? tomoyo_execute_permission+0x4a0/0x4a0
[  512.257656][ T4736]  sock_do_ioctl+0x113/0x270
[  512.262323][ T4736]  ? put_user_ifreq+0x130/0x130
[  512.267370][ T4736]  ? do_vfs_ioctl+0x379/0x1920
[  512.272536][ T4736]  ? vfs_fileattr_set+0xbf0/0xbf0
[  512.277631][ T4736]  sock_ioctl+0x22e/0x6b0
[  512.282068][ T4736]  ? br_ioctl_call+0xb0/0xb0
[  512.286778][ T4736]  ? kernel_fpu_begin_mask+0x260/0x260
[  512.292267][ T4736]  ? folio_memcg_unlock+0x280/0x280
[  512.297682][ T4736]  ? bpf_lsm_file_ioctl+0x9/0x10
[  512.302930][ T4736]  ? br_ioctl_call+0xb0/0xb0
[  512.307550][ T4736]  __x64_sys_ioctl+0x18f/0x210
[  512.312615][ T4736]  do_syscall_64+0x3f/0x110
[  512.317153][ T4736]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  512.323071][ T4736] RIP: 0033:0x7f25075f2d49
[  512.327590][ T4736] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8
[  512.347582][ T4736] RSP: 002b:00007fff865bddb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  512.357428][ T4736] RAX: ffffffffffffffda RBX: 00007f25075246c0 RCX: 00007f25075f2d49
[  512.365613][ T4736] RDX: 00007fff865cdfa8 RSI: 0000000000008914 RDI: 0000000000000013
[  512.373679][ T4736] RBP: 00007fff865de168 R08: 00007fff865cdf68 R09: 00007fff865cdf18
[  512.381679][ T4736] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  512.391178][ T4736] R13: 00007fff865cdfa8 R14: 0000000000000028 R15: 0000000000008914
[  512.399372][ T4736]  </TASK>
[  512.403944][ T4736] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  512.421335][ T4736] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000'
[  512.430663][ T4736] CPU: 0 PID: 4736 Comm: dhcpcd Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  512.441897][ T4736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  512.452332][ T4736] Call Trace:
[  512.455635][ T4736]  <TASK>
[  512.458583][ T4736]  dump_stack_lvl+0x125/0x1b0
[  512.464258][ T4736]  sysfs_warn_dup+0x7f/0xa0
[  512.468889][ T4736]  sysfs_create_dir_ns+0x247/0x2a0
[  512.474112][ T4736]  ? sysfs_create_mount_point+0xb0/0xb0
[  512.479860][ T4736]  ? spin_bug+0x1c0/0x1c0
[  512.484234][ T4736]  ? net_namespace+0x12/0x40
[  512.488961][ T4736]  ? device_namespace+0x8d/0xc0
[  512.493915][ T4736]  kobject_add_internal+0x2c8/0x960
[  512.499341][ T4736]  kobject_add+0x16f/0x240
[  512.503806][ T4736]  ? kset_create_and_add+0x190/0x190
[  512.509220][ T4736]  ? do_raw_spin_unlock+0x172/0x230
[  512.515047][ T4736]  ? kobject_put+0xbe/0x440
[  512.519863][ T4736]  ? device_add+0xc35/0x1aa0
[  512.524530][ T4736]  device_add+0x289/0x1aa0
[  512.528990][ T4736]  ? device_initialize+0x510/0x510
[  512.534304][ T4736]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  512.540722][ T4736]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  512.548057][ T4736]  ? __init_waitqueue_head+0xca/0x150
[  512.553650][ T4736]  netdev_register_kobject+0x183/0x3f0
[  512.559159][ T4736]  register_netdevice+0xbdf/0x14a0
[  512.564402][ T4736]  ? lockdep_hardirqs_on+0x7c/0x100
[  512.569817][ T4736]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  512.575834][ T4736]  ? lapbeth_setup+0x170/0x170
[  512.580646][ T4736]  lapbeth_device_event+0x5b8/0xd40
[  512.586154][ T4736]  notifier_call_chain+0xb6/0x3c0
[  512.591396][ T4736]  ? lapbeth_xmit+0x290/0x290
[  512.596116][ T4736]  call_netdevice_notifiers_info+0xbe/0x130
[  512.602230][ T4736]  __dev_notify_flags+0x12d/0x2e0
[  512.607476][ T4736]  ? dev_change_name+0x800/0x800
[  512.612541][ T4736]  ? dev_set_allmulti+0x30/0x30
[  512.617517][ T4736]  dev_change_flags+0x122/0x170
[  512.622413][ T4736]  devinet_ioctl+0x13ef/0x1f00
[  512.627217][ T4736]  ? inet_ifa_byprefix+0x2d0/0x2d0
[  512.632708][ T4736]  ? _copy_from_user+0x5d/0xf0
[  512.637996][ T4736]  inet_ioctl+0x3a6/0x3f0
[  512.642373][ T4736]  ? find_held_lock+0x2d/0x110
[  512.647191][ T4736]  ? ipip_gro_complete+0x140/0x140
[  512.652598][ T4736]  ? tomoyo_path_number_perm+0x28e/0x580
[  512.658968][ T4736]  ? tomoyo_path_number_perm+0x463/0x580
[  512.664640][ T4736]  ? __kmem_cache_free+0xc0/0x180
[  512.669861][ T4736]  ? tomoyo_execute_permission+0x4a0/0x4a0
[  512.675750][ T4736]  sock_do_ioctl+0x113/0x270
[  512.680470][ T4736]  ? put_user_ifreq+0x130/0x130
[  512.685354][ T4736]  ? do_vfs_ioctl+0x379/0x1920
[  512.690157][ T4736]  ? vfs_fileattr_set+0xbf0/0xbf0
[  512.695238][ T4736]  sock_ioctl+0x22e/0x6b0
[  512.699605][ T4736]  ? br_ioctl_call+0xb0/0xb0
[  512.704772][ T4736]  ? kernel_fpu_begin_mask+0x260/0x260
[  512.710465][ T4736]  ? folio_memcg_unlock+0x280/0x280
[  512.715893][ T4736]  ? bpf_lsm_file_ioctl+0x9/0x10
[  512.720876][ T4736]  ? br_ioctl_call+0xb0/0xb0
[  512.725590][ T4736]  __x64_sys_ioctl+0x18f/0x210
[  512.730406][ T4736]  do_syscall_64+0x3f/0x110
[  512.734949][ T4736]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  512.741140][ T4736] RIP: 0033:0x7f25075f2d49
[  512.746119][ T4736] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8
[  512.766736][ T4736] RSP: 002b:00007fff865bddb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  512.775463][ T4736] RAX: ffffffffffffffda RBX: 00007f25075246c0 RCX: 00007f25075f2d49
[  512.783690][ T4736] RDX: 00007fff865cdfa8 RSI: 0000000000008914 RDI: 0000000000000013
[  512.791721][ T4736] RBP: 00007fff865de168 R08: 00007fff865cdf68 R09: 00007fff865cdf18
[  512.799807][ T4736] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  512.808068][ T4736] R13: 00007fff865cdfa8 R14: 0000000000000028 R15: 0000000000008914
[  512.816088][ T4736]  </TASK>
[  512.841563][ T4736] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  512.872617][ T4736] 8021q: adding VLAN 0 to HW filter on device team5
[  512.880612][ T7439] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  512.905531][ T7439] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  512.925952][ T7439] CPU: 1 PID: 7439 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  512.938350][ T7439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  512.948775][ T7439] Call Trace:
[  512.952167][ T7439]  <TASK>
[  512.955663][ T7439]  dump_stack_lvl+0x125/0x1b0
[  512.960566][ T7439]  sysfs_warn_dup+0x7f/0xa0
[  512.965288][ T7439]  sysfs_create_dir_ns+0x247/0x2a0
[  512.970943][ T7439]  ? sysfs_create_mount_point+0xb0/0xb0
[  512.976527][ T7439]  ? spin_bug+0x1c0/0x1c0
[  512.980921][ T7439]  ? net_namespace+0x12/0x40
[  512.985567][ T7439]  ? device_namespace+0x8d/0xc0
[  512.990809][ T7439]  kobject_add_internal+0x2c8/0x960
[  512.996142][ T7439]  kobject_add+0x16f/0x240
[  513.000793][ T7439]  ? kset_create_and_add+0x190/0x190
[  513.006377][ T7439]  ? do_raw_spin_unlock+0x172/0x230
[  513.011703][ T7439]  ? kobject_put+0xbe/0x440
[  513.016689][ T7439]  ? device_add+0xc35/0x1aa0
[  513.021840][ T7439]  device_add+0x289/0x1aa0
[  513.026369][ T7439]  ? device_initialize+0x510/0x510
[  513.031589][ T7439]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  513.037770][ T7439]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  513.044838][ T7439]  ? __init_waitqueue_head+0xca/0x150
[  513.050275][ T7439]  netdev_register_kobject+0x183/0x3f0
[  513.055891][ T7439]  register_netdevice+0xbdf/0x14a0
[  513.061573][ T7439]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  513.067620][ T7439]  ? team_nl_cmd_noop+0x280/0x280
[  513.072780][ T7439]  team_newlink+0x92/0x160
[  513.077761][ T7439]  ? team_nl_cmd_noop+0x280/0x280
[  513.083513][ T7439]  ? rtnl_create_link+0xa6d/0xfd0
[  513.089161][ T7439]  __rtnl_newlink+0x1173/0x1930
[  513.094171][ T7439]  ? rtnl_link_unregister+0x260/0x260
[  513.099908][ T7439]  rtnl_newlink+0x67/0xa0
[  513.104461][ T7439]  ? __rtnl_newlink+0x1930/0x1930
[  513.109636][ T7439]  rtnetlink_rcv_msg+0x3c7/0xe00
[  513.114701][ T7439]  ? rtnl_getlink+0xb40/0xb40
[  513.119775][ T7439]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  513.125809][ T7439]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  513.132354][ T7439]  ? __lock_acquire+0xc97/0x5dc0
[  513.137892][ T7439]  netlink_rcv_skb+0x16b/0x440
[  513.143155][ T7439]  ? rtnl_getlink+0xb40/0xb40
[  513.148144][ T7439]  ? netlink_ack+0x1370/0x1370
[  513.153216][ T7439]  ? lock_sync+0x180/0x180
[  513.158213][ T7439]  ? netlink_deliver_tap+0x1a0/0xd00
[  513.163876][ T7439]  ? _copy_from_iter+0x2c1/0x10f0
[  513.169207][ T7439]  netlink_unicast+0x53b/0x810
[  513.174025][ T7439]  ? netlink_attachskb+0x870/0x870
[  513.179179][ T7439]  ? __phys_addr_symbol+0x30/0x70
[  513.184407][ T7439]  ? __check_object_size+0x322/0x730
[  513.190095][ T7439]  netlink_sendmsg+0x939/0xe40
[  513.194940][ T7439]  ? netlink_unicast+0x810/0x810
[  513.199927][ T7439]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  513.205367][ T7439]  ? netlink_unicast+0x810/0x810
[  513.210552][ T7439]  __sock_sendmsg+0xd5/0x180
[  513.215222][ T7439]  ____sys_sendmsg+0x6ac/0x940
[  513.220046][ T7439]  ? copy_msghdr_from_user+0x10b/0x160
[  513.225826][ T7439]  ? kernel_sendmsg+0x50/0x50
[  513.230627][ T7439]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  513.236740][ T7439]  ___sys_sendmsg+0x135/0x1d0
[  513.241450][ T7439]  ? do_recvmmsg+0x740/0x740
[  513.246062][ T7439]  ? find_held_lock+0x2d/0x110
[  513.250964][ T7439]  ? preempt_count_sub+0x150/0x150
[  513.256217][ T7439]  ? __fget_light+0x1fa/0x260
[  513.261026][ T7439]  __sys_sendmsg+0x117/0x1e0
[  513.265745][ T7439]  ? __sys_sendmsg_sock+0x30/0x30
[  513.271021][ T7439]  ? syscall_enter_from_user_mode+0x26/0x80
[  513.277040][ T7439]  do_syscall_64+0x3f/0x110
[  513.283411][ T7439]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  513.289459][ T7439] RIP: 0033:0x7fa730b27eb9
[  513.294015][ T7439] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  513.313669][ T7439] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  513.322395][ T7439] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  513.330573][ T7439] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  513.338932][ T7439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  513.347083][ T7439] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  513.355351][ T7439] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  513.363497][ T7439]  </TASK>
[  513.382519][ T7439] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  513.423425][ T7439] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  513.438862][ T7439] CPU: 1 PID: 7439 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  513.450922][ T7439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  513.461290][ T7439] Call Trace:
[  513.464997][ T7439]  <TASK>
[  513.467957][ T7439]  dump_stack_lvl+0x125/0x1b0
[  513.472766][ T7439]  sysfs_warn_dup+0x7f/0xa0
[  513.477282][ T7439]  sysfs_create_dir_ns+0x247/0x2a0
[  513.482404][ T7439]  ? sysfs_create_mount_point+0xb0/0xb0
[  513.488135][ T7439]  ? spin_bug+0x1c0/0x1c0
[  513.492591][ T7439]  ? net_namespace+0x12/0x40
[  513.497784][ T7439]  ? device_namespace+0x8d/0xc0
[  513.502834][ T7439]  kobject_add_internal+0x2c8/0x960
[  513.508062][ T7439]  kobject_add+0x16f/0x240
[  513.512949][ T7439]  ? kset_create_and_add+0x190/0x190
[  513.518613][ T7439]  ? do_raw_spin_unlock+0x172/0x230
[  513.523923][ T7439]  ? kobject_put+0xbe/0x440
[  513.528718][ T7439]  ? device_add+0xc35/0x1aa0
[  513.533343][ T7439]  device_add+0x289/0x1aa0
[  513.537813][ T7439]  ? device_initialize+0x510/0x510
[  513.543046][ T7439]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  513.548966][ T7439]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  513.556273][ T7439]  ? __init_waitqueue_head+0xca/0x150
[  513.561766][ T7439]  netdev_register_kobject+0x183/0x3f0
[  513.567448][ T7439]  register_netdevice+0xbdf/0x14a0
[  513.572590][ T7439]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  513.578878][ T7439]  ? validate_linkmsg+0x6fc/0x9c0
[  513.584161][ T7439]  ? rtnl_create_link+0xa6d/0xfd0
[  513.589297][ T7439]  ? batadv_get_sset_count+0x40/0x40
[  513.594732][ T7439]  batadv_softif_newlink+0x70/0x90
[  513.600042][ T7439]  __rtnl_newlink+0x1173/0x1930
[  513.605265][ T7439]  ? rtnl_link_unregister+0x260/0x260
[  513.610678][ T7439]  rtnl_newlink+0x67/0xa0
[  513.615020][ T7439]  ? __rtnl_newlink+0x1930/0x1930
[  513.620296][ T7439]  rtnetlink_rcv_msg+0x3c7/0xe00
[  513.625564][ T7439]  ? rtnl_getlink+0xb40/0xb40
[  513.630380][ T7439]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  513.636869][ T7439]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  513.643436][ T7439]  ? __lock_acquire+0xc97/0x5dc0
[  513.648441][ T7439]  netlink_rcv_skb+0x16b/0x440
[  513.654875][ T7439]  ? rtnl_getlink+0xb40/0xb40
[  513.659783][ T7439]  ? netlink_ack+0x1370/0x1370
[  513.665205][ T7439]  ? lock_sync+0x180/0x180
[  513.670131][ T7439]  ? netlink_deliver_tap+0x1a0/0xd00
[  513.676101][ T7439]  ? _copy_from_iter+0x2c1/0x10f0
[  513.681575][ T7439]  netlink_unicast+0x53b/0x810
[  513.686644][ T7439]  ? netlink_attachskb+0x870/0x870
[  513.691800][ T7439]  ? __phys_addr_symbol+0x30/0x70
[  513.697230][ T7439]  ? __check_object_size+0x322/0x730
[  513.702561][ T7439]  netlink_sendmsg+0x939/0xe40
[  513.707699][ T7439]  ? netlink_unicast+0x810/0x810
[  513.713583][ T7439]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  513.718979][ T7439]  ? netlink_unicast+0x810/0x810
[  513.723947][ T7439]  __sock_sendmsg+0xd5/0x180
[  513.729249][ T7439]  ____sys_sendmsg+0x6ac/0x940
[  513.734109][ T7439]  ? copy_msghdr_from_user+0x10b/0x160
[  513.739669][ T7439]  ? kernel_sendmsg+0x50/0x50
[  513.744369][ T7439]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  513.750671][ T7439]  ___sys_sendmsg+0x135/0x1d0
[  513.755388][ T7439]  ? do_recvmmsg+0x740/0x740
[  513.760024][ T7439]  ? find_held_lock+0x2d/0x110
[  513.764825][ T7439]  ? preempt_count_sub+0x150/0x150
[  513.770403][ T7439]  ? __fget_light+0x1fa/0x260
[  513.775395][ T7439]  __sys_sendmsg+0x117/0x1e0
[  513.780029][ T7439]  ? __sys_sendmsg_sock+0x30/0x30
[  513.785191][ T7439]  ? syscall_enter_from_user_mode+0x26/0x80
[  513.791116][ T7439]  do_syscall_64+0x3f/0x110
[  513.795646][ T7439]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  513.801638][ T7439] RIP: 0033:0x7fa730b27eb9
[  513.806234][ T7439] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  513.826808][ T7439] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  513.835323][ T7439] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  513.843303][ T7439] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  513.851282][ T7439] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  513.859273][ T7439] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  513.867426][ T7439] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  513.875597][ T7439]  </TASK>
[  513.965820][ T7439] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  514.051762][ T7441] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  514.063468][ T7441] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  514.075189][ T7441] CPU: 0 PID: 7441 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  514.087050][ T7441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  514.097234][ T7441] Call Trace:
[  514.100601][ T7441]  <TASK>
[  514.103562][ T7441]  dump_stack_lvl+0x125/0x1b0
[  514.108375][ T7441]  sysfs_warn_dup+0x7f/0xa0
[  514.112994][ T7441]  sysfs_create_dir_ns+0x247/0x2a0
[  514.118140][ T7441]  ? sysfs_create_mount_point+0xb0/0xb0
[  514.123814][ T7441]  ? spin_bug+0x1c0/0x1c0
[  514.128364][ T7441]  ? net_namespace+0x12/0x40
[  514.133020][ T7441]  ? device_namespace+0x8d/0xc0
[  514.138239][ T7441]  kobject_add_internal+0x2c8/0x960
[  514.143755][ T7441]  kobject_add+0x16f/0x240
[  514.148217][ T7441]  ? kset_create_and_add+0x190/0x190
[  514.154070][ T7441]  ? do_raw_spin_unlock+0x172/0x230
[  514.159407][ T7441]  ? kobject_put+0xbe/0x440
[  514.167891][ T7441]  ? device_add+0xc35/0x1aa0
[  514.172654][ T7441]  device_add+0x289/0x1aa0
[  514.177213][ T7441]  ? device_initialize+0x510/0x510
[  514.182443][ T7441]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  514.188376][ T7441]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  514.195439][ T7441]  ? __init_waitqueue_head+0xca/0x150
[  514.200921][ T7441]  netdev_register_kobject+0x183/0x3f0
[  514.206552][ T7441]  register_netdevice+0xbdf/0x14a0
[  514.211700][ T7441]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  514.218424][ T7441]  ? team_nl_cmd_noop+0x280/0x280
[  514.224276][ T7441]  team_newlink+0x92/0x160
[  514.229320][ T7441]  ? team_nl_cmd_noop+0x280/0x280
[  514.234676][ T7441]  ? rtnl_create_link+0xa6d/0xfd0
[  514.239892][ T7441]  __rtnl_newlink+0x1173/0x1930
[  514.244898][ T7441]  ? rtnl_link_unregister+0x260/0x260
[  514.250610][ T7441]  rtnl_newlink+0x67/0xa0
[  514.255232][ T7441]  ? __rtnl_newlink+0x1930/0x1930
[  514.260730][ T7441]  rtnetlink_rcv_msg+0x3c7/0xe00
[  514.265726][ T7441]  ? rtnl_getlink+0xb40/0xb40
[  514.270533][ T7441]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  514.276942][ T7441]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  514.283346][ T7441]  ? __lock_acquire+0xc97/0x5dc0
[  514.288424][ T7441]  netlink_rcv_skb+0x16b/0x440
[  514.293236][ T7441]  ? rtnl_getlink+0xb40/0xb40
[  514.298051][ T7441]  ? netlink_ack+0x1370/0x1370
[  514.302942][ T7441]  ? lock_sync+0x180/0x180
[  514.307424][ T7441]  ? netlink_deliver_tap+0x1a0/0xd00
[  514.312752][ T7441]  ? _copy_from_iter+0x2c1/0x10f0
[  514.317829][ T7441]  netlink_unicast+0x53b/0x810
[  514.323803][ T7441]  ? netlink_attachskb+0x870/0x870
[  514.329343][ T7441]  ? __phys_addr_symbol+0x30/0x70
[  514.334421][ T7441]  ? __check_object_size+0x322/0x730
[  514.339749][ T7441]  netlink_sendmsg+0x939/0xe40
[  514.344580][ T7441]  ? netlink_unicast+0x810/0x810
[  514.349582][ T7441]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  514.354919][ T7441]  ? netlink_unicast+0x810/0x810
[  514.360175][ T7441]  __sock_sendmsg+0xd5/0x180
[  514.364996][ T7441]  ____sys_sendmsg+0x6ac/0x940
[  514.370403][ T7441]  ? copy_msghdr_from_user+0x10b/0x160
[  514.375893][ T7441]  ? kernel_sendmsg+0x50/0x50
[  514.380871][ T7441]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  514.387000][ T7441]  ___sys_sendmsg+0x135/0x1d0
[  514.391784][ T7441]  ? do_recvmmsg+0x740/0x740
[  514.396424][ T7441]  ? find_held_lock+0x2d/0x110
[  514.401332][ T7441]  ? preempt_count_sub+0x150/0x150
[  514.406510][ T7441]  ? __fget_light+0x1fa/0x260
[  514.411406][ T7441]  __sys_sendmsg+0x117/0x1e0
[  514.416215][ T7441]  ? __sys_sendmsg_sock+0x30/0x30
[  514.421311][ T7441]  ? syscall_enter_from_user_mode+0x26/0x80
[  514.427342][ T7441]  do_syscall_64+0x3f/0x110
[  514.432178][ T7441]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  514.438211][ T7441] RIP: 0033:0x7fa730b27eb9
[  514.442661][ T7441] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  514.462890][ T7441] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  514.471341][ T7441] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  514.479556][ T7441] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  514.487848][ T7441] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  514.495875][ T7441] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  514.503895][ T7441] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  514.511913][ T7441]  </TASK>
[  514.528042][ T7441] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  514.561138][ T7441] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  514.582172][ T7441] CPU: 0 PID: 7441 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  514.593881][ T7441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  514.604065][ T7441] Call Trace:
[  514.607545][ T7441]  <TASK>
[  514.610496][ T7441]  dump_stack_lvl+0x125/0x1b0
[  514.615313][ T7441]  sysfs_warn_dup+0x7f/0xa0
[  514.620047][ T7441]  sysfs_create_dir_ns+0x247/0x2a0
[  514.625472][ T7441]  ? sysfs_create_mount_point+0xb0/0xb0
[  514.631245][ T7441]  ? spin_bug+0x1c0/0x1c0
[  514.635828][ T7441]  ? net_namespace+0x12/0x40
[  514.640454][ T7441]  ? device_namespace+0x8d/0xc0
[  514.645634][ T7441]  kobject_add_internal+0x2c8/0x960
[  514.650899][ T7441]  kobject_add+0x16f/0x240
[  514.655467][ T7441]  ? kset_create_and_add+0x190/0x190
[  514.660823][ T7441]  ? do_raw_spin_unlock+0x172/0x230
[  514.666174][ T7441]  ? kobject_put+0xbe/0x440
[  514.670893][ T7441]  ? device_add+0xc35/0x1aa0
[  514.675826][ T7441]  device_add+0x289/0x1aa0
[  514.680565][ T7441]  ? device_initialize+0x510/0x510
[  514.685914][ T7441]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  514.691892][ T7441]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  514.699220][ T7441]  ? __init_waitqueue_head+0xca/0x150
[  514.704704][ T7441]  netdev_register_kobject+0x183/0x3f0
[  514.710562][ T7441]  register_netdevice+0xbdf/0x14a0
[  514.716329][ T7441]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  514.722760][ T7441]  ? validate_linkmsg+0x6fc/0x9c0
[  514.727806][ T7441]  ? rtnl_create_link+0xa6d/0xfd0
[  514.732849][ T7441]  ? batadv_get_sset_count+0x40/0x40
[  514.738264][ T7441]  batadv_softif_newlink+0x70/0x90
[  514.744066][ T7441]  __rtnl_newlink+0x1173/0x1930
[  514.749123][ T7441]  ? rtnl_link_unregister+0x260/0x260
[  514.754793][ T7441]  rtnl_newlink+0x67/0xa0
[  514.759159][ T7441]  ? __rtnl_newlink+0x1930/0x1930
[  514.764307][ T7441]  rtnetlink_rcv_msg+0x3c7/0xe00
[  514.769286][ T7441]  ? rtnl_getlink+0xb40/0xb40
[  514.773982][ T7441]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  514.779995][ T7441]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  514.785998][ T7441]  ? __lock_acquire+0xc97/0x5dc0
[  514.791161][ T7441]  netlink_rcv_skb+0x16b/0x440
[  514.796068][ T7441]  ? rtnl_getlink+0xb40/0xb40
[  514.800867][ T7441]  ? netlink_ack+0x1370/0x1370
[  514.805683][ T7441]  ? lock_sync+0x180/0x180
[  514.810173][ T7441]  ? netlink_deliver_tap+0x1a0/0xd00
[  514.815584][ T7441]  ? _copy_from_iter+0x2c1/0x10f0
[  514.820661][ T7441]  netlink_unicast+0x53b/0x810
[  514.825546][ T7441]  ? netlink_attachskb+0x870/0x870
[  514.830851][ T7441]  ? __phys_addr_symbol+0x30/0x70
[  514.836065][ T7441]  ? __check_object_size+0x322/0x730
[  514.841714][ T7441]  netlink_sendmsg+0x939/0xe40
[  514.846501][ T7441]  ? netlink_unicast+0x810/0x810
[  514.851460][ T7441]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  514.856889][ T7441]  ? netlink_unicast+0x810/0x810
[  514.861898][ T7441]  __sock_sendmsg+0xd5/0x180
[  514.866878][ T7441]  ____sys_sendmsg+0x6ac/0x940
[  514.871742][ T7441]  ? copy_msghdr_from_user+0x10b/0x160
[  514.877526][ T7441]  ? kernel_sendmsg+0x50/0x50
[  514.882410][ T7441]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  514.888769][ T7441]  ___sys_sendmsg+0x135/0x1d0
[  514.893468][ T7441]  ? do_recvmmsg+0x740/0x740
[  514.898442][ T7441]  ? find_held_lock+0x2d/0x110
[  514.903434][ T7441]  ? preempt_count_sub+0x150/0x150
[  514.908845][ T7441]  ? __fget_light+0x1fa/0x260
[  514.913897][ T7441]  __sys_sendmsg+0x117/0x1e0
[  514.918637][ T7441]  ? __sys_sendmsg_sock+0x30/0x30
[  514.924078][ T7441]  ? syscall_enter_from_user_mode+0x26/0x80
[  514.931053][ T7441]  do_syscall_64+0x3f/0x110
[  514.936499][ T7441]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  514.942619][ T7441] RIP: 0033:0x7fa730b27eb9
[  514.947714][ T7441] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  514.968922][ T7441] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  514.977617][ T7441] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  514.985627][ T7441] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  514.993772][ T7441] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  515.002249][ T7441] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  515.010411][ T7441] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  515.019331][ T7441]  </TASK>
[  515.081871][ T7441] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  515.153906][ T7448] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  515.183150][ T7448] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  515.200748][ T7448] CPU: 1 PID: 7448 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  515.212987][ T7448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  515.223165][ T7448] Call Trace:
[  515.226661][ T7448]  <TASK>
[  515.229871][ T7448]  dump_stack_lvl+0x125/0x1b0
[  515.234660][ T7448]  sysfs_warn_dup+0x7f/0xa0
[  515.239434][ T7448]  sysfs_create_dir_ns+0x247/0x2a0
[  515.244734][ T7448]  ? sysfs_create_mount_point+0xb0/0xb0
[  515.250985][ T7448]  ? spin_bug+0x1c0/0x1c0
[  515.255338][ T7448]  ? net_namespace+0x12/0x40
[  515.259938][ T7448]  ? device_namespace+0x8d/0xc0
[  515.264892][ T7448]  kobject_add_internal+0x2c8/0x960
[  515.270314][ T7448]  kobject_add+0x16f/0x240
[  515.274752][ T7448]  ? kset_create_and_add+0x190/0x190
[  515.280082][ T7448]  ? do_raw_spin_unlock+0x172/0x230
[  515.285474][ T7448]  ? kobject_put+0xbe/0x440
[  515.289997][ T7448]  ? device_add+0xc35/0x1aa0
[  515.294649][ T7448]  device_add+0x289/0x1aa0
[  515.299168][ T7448]  ? device_initialize+0x510/0x510
[  515.304375][ T7448]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  515.310198][ T7448]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  515.317155][ T7448]  ? __init_waitqueue_head+0xca/0x150
[  515.322555][ T7448]  netdev_register_kobject+0x183/0x3f0
[  515.328039][ T7448]  register_netdevice+0xbdf/0x14a0
[  515.333169][ T7448]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  515.339096][ T7448]  ? team_nl_cmd_noop+0x280/0x280
[  515.344410][ T7448]  team_newlink+0x92/0x160
[  515.348934][ T7448]  ? team_nl_cmd_noop+0x280/0x280
[  515.354324][ T7448]  ? rtnl_create_link+0xa6d/0xfd0
[  515.359461][ T7448]  __rtnl_newlink+0x1173/0x1930
[  515.364335][ T7448]  ? rtnl_link_unregister+0x260/0x260
[  515.369843][ T7448]  rtnl_newlink+0x67/0xa0
[  515.374268][ T7448]  ? __rtnl_newlink+0x1930/0x1930
[  515.379303][ T7448]  rtnetlink_rcv_msg+0x3c7/0xe00
[  515.384350][ T7448]  ? rtnl_getlink+0xb40/0xb40
[  515.389035][ T7448]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  515.395036][ T7448]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  515.401062][ T7448]  ? __lock_acquire+0xc97/0x5dc0
[  515.406212][ T7448]  netlink_rcv_skb+0x16b/0x440
[  515.410990][ T7448]  ? rtnl_getlink+0xb40/0xb40
[  515.415766][ T7448]  ? netlink_ack+0x1370/0x1370
[  515.420725][ T7448]  ? lock_sync+0x180/0x180
[  515.425285][ T7448]  ? netlink_deliver_tap+0x1a0/0xd00
[  515.430713][ T7448]  ? _copy_from_iter+0x2c1/0x10f0
[  515.435780][ T7448]  netlink_unicast+0x53b/0x810
[  515.440579][ T7448]  ? netlink_attachskb+0x870/0x870
[  515.445704][ T7448]  ? __phys_addr_symbol+0x30/0x70
[  515.450916][ T7448]  ? __check_object_size+0x322/0x730
[  515.456384][ T7448]  netlink_sendmsg+0x939/0xe40
[  515.461183][ T7448]  ? netlink_unicast+0x810/0x810
[  515.466338][ T7448]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  515.471931][ T7448]  ? netlink_unicast+0x810/0x810
[  515.476979][ T7448]  __sock_sendmsg+0xd5/0x180
[  515.481859][ T7448]  ____sys_sendmsg+0x6ac/0x940
[  515.486639][ T7448]  ? copy_msghdr_from_user+0x10b/0x160
[  515.492197][ T7448]  ? kernel_sendmsg+0x50/0x50
[  515.496890][ T7448]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  515.502904][ T7448]  ___sys_sendmsg+0x135/0x1d0
[  515.507612][ T7448]  ? do_recvmmsg+0x740/0x740
[  515.512309][ T7448]  ? find_held_lock+0x2d/0x110
[  515.517278][ T7448]  ? preempt_count_sub+0x150/0x150
[  515.522601][ T7448]  ? __fget_light+0x1fa/0x260
[  515.527383][ T7448]  __sys_sendmsg+0x117/0x1e0
[  515.531996][ T7448]  ? __sys_sendmsg_sock+0x30/0x30
[  515.537315][ T7448]  ? syscall_enter_from_user_mode+0x26/0x80
[  515.543312][ T7448]  do_syscall_64+0x3f/0x110
[  515.547922][ T7448]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  515.554090][ T7448] RIP: 0033:0x7fa730b27eb9
[  515.558596][ T7448] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  515.578917][ T7448] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  515.587518][ T7448] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  515.595626][ T7448] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  515.603779][ T7448] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  515.612018][ T7448] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  515.620428][ T7448] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  515.628635][ T7448]  </TASK>
[  515.674361][ T7448] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  515.710774][ T7448] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  515.725694][ T7448] CPU: 1 PID: 7448 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  515.737314][ T7448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  515.747668][ T7448] Call Trace:
[  515.751066][ T7448]  <TASK>
[  515.754031][ T7448]  dump_stack_lvl+0x125/0x1b0
[  515.758842][ T7448]  sysfs_warn_dup+0x7f/0xa0
[  515.763632][ T7448]  sysfs_create_dir_ns+0x247/0x2a0
[  515.768912][ T7448]  ? sysfs_create_mount_point+0xb0/0xb0
[  515.774604][ T7448]  ? spin_bug+0x1c0/0x1c0
[  515.779238][ T7448]  ? net_namespace+0x12/0x40
[  515.783950][ T7448]  ? device_namespace+0x8d/0xc0
[  515.789876][ T7448]  kobject_add_internal+0x2c8/0x960
[  515.795229][ T7448]  kobject_add+0x16f/0x240
[  515.799870][ T7448]  ? kset_create_and_add+0x190/0x190
[  515.805207][ T7448]  ? do_raw_spin_unlock+0x172/0x230
[  515.810449][ T7448]  ? kobject_put+0xbe/0x440
[  515.815084][ T7448]  ? device_add+0xc35/0x1aa0
[  515.819816][ T7448]  device_add+0x289/0x1aa0
[  515.824732][ T7448]  ? device_initialize+0x510/0x510
[  515.830229][ T7448]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  515.836420][ T7448]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  515.843417][ T7448]  ? __init_waitqueue_head+0xca/0x150
[  515.849017][ T7448]  netdev_register_kobject+0x183/0x3f0
[  515.854577][ T7448]  register_netdevice+0xbdf/0x14a0
[  515.859737][ T7448]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  515.865679][ T7448]  ? validate_linkmsg+0x6fc/0x9c0
[  515.870757][ T7448]  ? rtnl_create_link+0xa6d/0xfd0
[  515.875821][ T7448]  ? batadv_get_sset_count+0x40/0x40
[  515.881236][ T7448]  batadv_softif_newlink+0x70/0x90
[  515.886510][ T7448]  __rtnl_newlink+0x1173/0x1930
[  515.891542][ T7448]  ? rtnl_link_unregister+0x260/0x260
[  515.897356][ T7448]  rtnl_newlink+0x67/0xa0
[  515.901730][ T7448]  ? __rtnl_newlink+0x1930/0x1930
[  515.906785][ T7448]  rtnetlink_rcv_msg+0x3c7/0xe00
[  515.911763][ T7448]  ? rtnl_getlink+0xb40/0xb40
[  515.916464][ T7448]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  515.923816][ T7448]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  515.931056][ T7448]  ? __lock_acquire+0xc97/0x5dc0
[  515.936337][ T7448]  netlink_rcv_skb+0x16b/0x440
[  515.941327][ T7448]  ? rtnl_getlink+0xb40/0xb40
[  515.946803][ T7448]  ? netlink_ack+0x1370/0x1370
[  515.952396][ T7448]  ? lock_sync+0x180/0x180
[  515.956885][ T7448]  ? netlink_deliver_tap+0x1a0/0xd00
[  515.962210][ T7448]  ? _copy_from_iter+0x2c1/0x10f0
[  515.967281][ T7448]  netlink_unicast+0x53b/0x810
[  515.972086][ T7448]  ? netlink_attachskb+0x870/0x870
[  515.977233][ T7448]  ? __phys_addr_symbol+0x30/0x70
[  515.982555][ T7448]  ? __check_object_size+0x322/0x730
[  515.988349][ T7448]  netlink_sendmsg+0x939/0xe40
[  515.993372][ T7448]  ? netlink_unicast+0x810/0x810
[  515.998361][ T7448]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  516.003685][ T7448]  ? netlink_unicast+0x810/0x810
[  516.009011][ T7448]  __sock_sendmsg+0xd5/0x180
[  516.013722][ T7448]  ____sys_sendmsg+0x6ac/0x940
[  516.018797][ T7448]  ? copy_msghdr_from_user+0x10b/0x160
[  516.024526][ T7448]  ? kernel_sendmsg+0x50/0x50
[  516.030148][ T7448]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  516.036354][ T7448]  ___sys_sendmsg+0x135/0x1d0
[  516.041245][ T7448]  ? do_recvmmsg+0x740/0x740
[  516.045978][ T7448]  ? find_held_lock+0x2d/0x110
[  516.050892][ T7448]  ? preempt_count_sub+0x150/0x150
[  516.056139][ T7448]  ? __fget_light+0x1fa/0x260
[  516.060954][ T7448]  __sys_sendmsg+0x117/0x1e0
[  516.065674][ T7448]  ? __sys_sendmsg_sock+0x30/0x30
[  516.070761][ T7448]  ? syscall_enter_from_user_mode+0x26/0x80
[  516.076721][ T7448]  do_syscall_64+0x3f/0x110
[  516.081442][ T7448]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  516.087625][ T7448] RIP: 0033:0x7fa730b27eb9
[  516.092080][ T7448] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  516.111898][ T7448] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  516.120783][ T7448] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  516.129303][ T7448] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  516.138285][ T7448] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  516.146896][ T7448] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  516.154991][ T7448] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  516.163124][ T7448]  </TASK>
[  516.177404][ T7448] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  516.309592][ T7457] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  516.329310][ T7457] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  516.354458][ T7457] CPU: 0 PID: 7457 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  516.365989][ T7457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  516.376083][ T7457] Call Trace:
[  516.379381][ T7457]  <TASK>
[  516.382517][ T7457]  dump_stack_lvl+0x125/0x1b0
[  516.387244][ T7457]  sysfs_warn_dup+0x7f/0xa0
[  516.391794][ T7457]  sysfs_create_dir_ns+0x247/0x2a0
[  516.397028][ T7457]  ? sysfs_create_mount_point+0xb0/0xb0
[  516.402688][ T7457]  ? spin_bug+0x1c0/0x1c0
[  516.407061][ T7457]  ? net_namespace+0x12/0x40
[  516.411690][ T7457]  ? device_namespace+0x8d/0xc0
[  516.416586][ T7457]  kobject_add_internal+0x2c8/0x960
[  516.421910][ T7457]  kobject_add+0x16f/0x240
[  516.426382][ T7457]  ? kset_create_and_add+0x190/0x190
[  516.431810][ T7457]  ? do_raw_spin_unlock+0x172/0x230
[  516.437507][ T7457]  ? kobject_put+0xbe/0x440
[  516.442050][ T7457]  ? device_add+0xc35/0x1aa0
[  516.446704][ T7457]  device_add+0x289/0x1aa0
[  516.451145][ T7457]  ? device_initialize+0x510/0x510
[  516.456352][ T7457]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  516.462173][ T7457]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  516.469072][ T7457]  ? __init_waitqueue_head+0xca/0x150
[  516.474569][ T7457]  netdev_register_kobject+0x183/0x3f0
[  516.480233][ T7457]  register_netdevice+0xbdf/0x14a0
[  516.485368][ T7457]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  516.491319][ T7457]  ? team_nl_cmd_noop+0x280/0x280
[  516.496449][ T7457]  team_newlink+0x92/0x160
[  516.500885][ T7457]  ? team_nl_cmd_noop+0x280/0x280
[  516.505930][ T7457]  ? rtnl_create_link+0xa6d/0xfd0
[  516.510979][ T7457]  __rtnl_newlink+0x1173/0x1930
[  516.515946][ T7457]  ? rtnl_link_unregister+0x260/0x260
[  516.521356][ T7457]  rtnl_newlink+0x67/0xa0
[  516.525783][ T7457]  ? __rtnl_newlink+0x1930/0x1930
[  516.530903][ T7457]  rtnetlink_rcv_msg+0x3c7/0xe00
[  516.535856][ T7457]  ? rtnl_getlink+0xb40/0xb40
[  516.540628][ T7457]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  516.546802][ T7457]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  516.552887][ T7457]  ? __lock_acquire+0xc97/0x5dc0
[  516.557850][ T7457]  netlink_rcv_skb+0x16b/0x440
[  516.562802][ T7457]  ? rtnl_getlink+0xb40/0xb40
[  516.567490][ T7457]  ? netlink_ack+0x1370/0x1370
[  516.572384][ T7457]  ? lock_sync+0x180/0x180
[  516.577034][ T7457]  ? netlink_deliver_tap+0x1a0/0xd00
[  516.582472][ T7457]  ? _copy_from_iter+0x2c1/0x10f0
[  516.587690][ T7457]  netlink_unicast+0x53b/0x810
[  516.592651][ T7457]  ? netlink_attachskb+0x870/0x870
[  516.597879][ T7457]  ? __phys_addr_symbol+0x30/0x70
[  516.603295][ T7457]  ? __check_object_size+0x322/0x730
[  516.608616][ T7457]  netlink_sendmsg+0x939/0xe40
[  516.613597][ T7457]  ? netlink_unicast+0x810/0x810
[  516.619549][ T7457]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  516.625694][ T7457]  ? netlink_unicast+0x810/0x810
[  516.631004][ T7457]  __sock_sendmsg+0xd5/0x180
[  516.636167][ T7457]  ____sys_sendmsg+0x6ac/0x940
[  516.641588][ T7457]  ? copy_msghdr_from_user+0x10b/0x160
[  516.647792][ T7457]  ? kernel_sendmsg+0x50/0x50
[  516.652874][ T7457]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  516.659343][ T7457]  ___sys_sendmsg+0x135/0x1d0
[  516.664263][ T7457]  ? do_recvmmsg+0x740/0x740
[  516.668991][ T7457]  ? find_held_lock+0x2d/0x110
[  516.674369][ T7457]  ? preempt_count_sub+0x150/0x150
[  516.680210][ T7457]  ? __fget_light+0x1fa/0x260
[  516.684930][ T7457]  __sys_sendmsg+0x117/0x1e0
[  516.689701][ T7457]  ? __sys_sendmsg_sock+0x30/0x30
[  516.695193][ T7457]  ? syscall_enter_from_user_mode+0x26/0x80
[  516.701661][ T7457]  do_syscall_64+0x3f/0x110
[  516.706914][ T7457]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  516.713018][ T7457] RIP: 0033:0x7fa730b27eb9
[  516.718250][ T7457] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  516.740816][ T7457] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  516.750189][ T7457] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  516.758562][ T7457] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  516.766562][ T7457] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  516.774633][ T7457] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  516.782640][ T7457] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  516.790766][ T7457]  </TASK>
[  516.811640][ T7457] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  516.842760][ T4736] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000'
[  516.853687][ T4736] CPU: 0 PID: 4736 Comm: dhcpcd Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  516.864424][ T4736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  516.874797][ T4736] Call Trace:
[  516.878458][ T4736]  <TASK>
[  516.881430][ T4736]  dump_stack_lvl+0x125/0x1b0
[  516.886498][ T4736]  sysfs_warn_dup+0x7f/0xa0
[  516.891057][ T4736]  sysfs_create_dir_ns+0x247/0x2a0
[  516.896225][ T4736]  ? sysfs_create_mount_point+0xb0/0xb0
[  516.901941][ T4736]  ? spin_bug+0x1c0/0x1c0
[  516.906507][ T4736]  ? net_namespace+0x12/0x40
[  516.911230][ T4736]  ? device_namespace+0x8d/0xc0
[  516.916149][ T4736]  kobject_add_internal+0x2c8/0x960
[  516.921759][ T4736]  kobject_add+0x16f/0x240
[  516.926603][ T4736]  ? kset_create_and_add+0x190/0x190
[  516.932121][ T4736]  ? do_raw_spin_unlock+0x172/0x230
[  516.937544][ T4736]  ? kobject_put+0xbe/0x440
[  516.942222][ T4736]  ? device_add+0xc35/0x1aa0
[  516.947431][ T4736]  device_add+0x289/0x1aa0
[  516.951991][ T4736]  ? device_initialize+0x510/0x510
[  516.957568][ T4736]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  516.963771][ T4736]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  516.970847][ T4736]  ? __init_waitqueue_head+0xca/0x150
[  516.976276][ T4736]  netdev_register_kobject+0x183/0x3f0
[  516.981875][ T4736]  register_netdevice+0xbdf/0x14a0
[  516.987063][ T4736]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  516.993020][ T4736]  ? alloc_netdev_mqs+0xee6/0x1290
[  516.998392][ T4736]  bpq_device_event+0x39e/0xaf0
[  517.003558][ T4736]  ? team_device_event+0x219/0x750
[  517.008818][ T4736]  notifier_call_chain+0xb6/0x3c0
[  517.014691][ T4736]  ? bpq_seq_stop+0xb0/0xb0
[  517.019364][ T4736]  call_netdevice_notifiers_info+0xbe/0x130
[  517.025673][ T4736]  __dev_notify_flags+0x12d/0x2e0
[  517.031815][ T4736]  ? dev_change_name+0x800/0x800
[  517.037754][ T4736]  ? dev_set_allmulti+0x30/0x30
[  517.043124][ T4736]  dev_change_flags+0x122/0x170
[  517.048151][ T4736]  devinet_ioctl+0x13ef/0x1f00
[  517.053173][ T4736]  ? inet_ifa_byprefix+0x2d0/0x2d0
[  517.058765][ T4736]  ? _copy_from_user+0x5d/0xf0
[  517.064286][ T4736]  inet_ioctl+0x3a6/0x3f0
[  517.069013][ T4736]  ? find_held_lock+0x2d/0x110
[  517.073914][ T4736]  ? ipip_gro_complete+0x140/0x140
[  517.080742][ T4736]  ? tomoyo_path_number_perm+0x28e/0x580
[  517.086750][ T4736]  ? tomoyo_path_number_perm+0x463/0x580
[  517.092523][ T4736]  ? __kmem_cache_free+0xc0/0x180
[  517.097874][ T4736]  ? tomoyo_execute_permission+0x4a0/0x4a0
[  517.104554][ T4736]  ? lockdep_hardirqs_on+0x7c/0x100
[  517.110423][ T4736]  sock_do_ioctl+0x113/0x270
[  517.115067][ T4736]  ? put_user_ifreq+0x130/0x130
[  517.119981][ T4736]  ? do_vfs_ioctl+0x379/0x1920
[  517.124890][ T4736]  ? vfs_fileattr_set+0xbf0/0xbf0
[  517.130412][ T4736]  sock_ioctl+0x22e/0x6b0
[  517.135020][ T4736]  ? br_ioctl_call+0xb0/0xb0
[  517.139837][ T4736]  ? __sys_socket+0xad/0x260
[  517.144736][ T4736]  ? bpf_lsm_file_ioctl+0x9/0x10
[  517.149980][ T4736]  ? br_ioctl_call+0xb0/0xb0
[  517.154911][ T4736]  __x64_sys_ioctl+0x18f/0x210
[  517.163659][ T4736]  do_syscall_64+0x3f/0x110
[  517.168459][ T4736]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  517.174676][ T4736] RIP: 0033:0x7f25075f2d49
[  517.179217][ T4736] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8
[  517.200004][ T4736] RSP: 002b:00007fff865bddb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  517.209695][ T4736] RAX: ffffffffffffffda RBX: 00007f25075246c0 RCX: 00007f25075f2d49
[  517.218054][ T4736] RDX: 00007fff865cdfa8 RSI: 0000000000008914 RDI: 0000000000000013
[  517.226974][ T4736] RBP: 00007fff865de168 R08: 00007fff865cdf68 R09: 00007fff865cdf18
[  517.235251][ T4736] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  517.243345][ T4736] R13: 00007fff865cdfa8 R14: 0000000000000028 R15: 0000000000008914
[  517.251524][ T4736]  </TASK>
[  517.266394][ T4736] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  517.283743][ T4736] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000'
[  517.293825][ T4736] CPU: 0 PID: 4736 Comm: dhcpcd Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  517.305152][ T4736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  517.315330][ T4736] Call Trace:
[  517.318730][ T4736]  <TASK>
[  517.321695][ T4736]  dump_stack_lvl+0x125/0x1b0
[  517.326506][ T4736]  sysfs_warn_dup+0x7f/0xa0
[  517.331328][ T4736]  sysfs_create_dir_ns+0x247/0x2a0
[  517.336760][ T4736]  ? sysfs_create_mount_point+0xb0/0xb0
[  517.342697][ T4736]  ? spin_bug+0x1c0/0x1c0
[  517.347168][ T4736]  ? net_namespace+0x12/0x40
[  517.352051][ T4736]  ? device_namespace+0x8d/0xc0
[  517.357124][ T4736]  kobject_add_internal+0x2c8/0x960
[  517.362639][ T4736]  kobject_add+0x16f/0x240
[  517.367621][ T4736]  ? kset_create_and_add+0x190/0x190
[  517.373119][ T4736]  ? do_raw_spin_unlock+0x172/0x230
[  517.378703][ T4736]  ? kobject_put+0xbe/0x440
[  517.387766][ T4736]  ? device_add+0xc35/0x1aa0
[  517.392484][ T4736]  device_add+0x289/0x1aa0
[  517.396976][ T4736]  ? device_initialize+0x510/0x510
[  517.402220][ T4736]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  517.408059][ T4736]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  517.415020][ T4736]  ? __init_waitqueue_head+0xca/0x150
[  517.420516][ T4736]  netdev_register_kobject+0x183/0x3f0
[  517.425998][ T4736]  register_netdevice+0xbdf/0x14a0
[  517.431527][ T4736]  ? lockdep_hardirqs_on+0x7c/0x100
[  517.437123][ T4736]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  517.443181][ T4736]  ? lapbeth_setup+0x170/0x170
[  517.448385][ T4736]  lapbeth_device_event+0x5b8/0xd40
[  517.453820][ T4736]  notifier_call_chain+0xb6/0x3c0
[  517.459147][ T4736]  ? lapbeth_xmit+0x290/0x290
[  517.464116][ T4736]  call_netdevice_notifiers_info+0xbe/0x130
[  517.470307][ T4736]  __dev_notify_flags+0x12d/0x2e0
[  517.475437][ T4736]  ? dev_change_name+0x800/0x800
[  517.480388][ T4736]  ? dev_set_allmulti+0x30/0x30
[  517.485257][ T4736]  dev_change_flags+0x122/0x170
[  517.490315][ T4736]  devinet_ioctl+0x13ef/0x1f00
[  517.495133][ T4736]  ? inet_ifa_byprefix+0x2d0/0x2d0
[  517.500307][ T4736]  ? _copy_from_user+0x5d/0xf0
[  517.505109][ T4736]  inet_ioctl+0x3a6/0x3f0
[  517.509448][ T4736]  ? find_held_lock+0x2d/0x110
[  517.514279][ T4736]  ? ipip_gro_complete+0x140/0x140
[  517.519411][ T4736]  ? tomoyo_path_number_perm+0x28e/0x580
[  517.525070][ T4736]  ? tomoyo_path_number_perm+0x463/0x580
[  517.530715][ T4736]  ? __kmem_cache_free+0xc0/0x180
[  517.535945][ T4736]  ? tomoyo_execute_permission+0x4a0/0x4a0
[  517.541941][ T4736]  ? lockdep_hardirqs_on+0x7c/0x100
[  517.547445][ T4736]  sock_do_ioctl+0x113/0x270
[  517.552053][ T4736]  ? put_user_ifreq+0x130/0x130
[  517.557037][ T4736]  ? do_vfs_ioctl+0x379/0x1920
[  517.562000][ T4736]  ? vfs_fileattr_set+0xbf0/0xbf0
[  517.567484][ T4736]  sock_ioctl+0x22e/0x6b0
[  517.571829][ T4736]  ? br_ioctl_call+0xb0/0xb0
[  517.576693][ T4736]  ? __sys_socket+0xad/0x260
[  517.581314][ T4736]  ? bpf_lsm_file_ioctl+0x9/0x10
[  517.586442][ T4736]  ? br_ioctl_call+0xb0/0xb0
[  517.591047][ T4736]  __x64_sys_ioctl+0x18f/0x210
[  517.596088][ T4736]  do_syscall_64+0x3f/0x110
[  517.600610][ T4736]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  517.606604][ T4736] RIP: 0033:0x7f25075f2d49
[  517.611031][ T4736] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8
[  517.631875][ T4736] RSP: 002b:00007fff865bddb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  517.640566][ T4736] RAX: ffffffffffffffda RBX: 00007f25075246c0 RCX: 00007f25075f2d49
[  517.649898][ T4736] RDX: 00007fff865cdfa8 RSI: 0000000000008914 RDI: 0000000000000013
[  517.658237][ T4736] RBP: 00007fff865de168 R08: 00007fff865cdf68 R09: 00007fff865cdf18
[  517.666845][ T4736] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  517.676337][ T4736] R13: 00007fff865cdfa8 R14: 0000000000000028 R15: 0000000000008914
[  517.684615][ T4736]  </TASK>
[  517.689112][ T4736] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  517.717208][ T4736] 8021q: adding VLAN 0 to HW filter on device team6
[  517.727489][ T7457] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  517.739189][ T7457] CPU: 0 PID: 7457 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  517.751417][ T7457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  517.761941][ T7457] Call Trace:
[  517.765867][ T7457]  <TASK>
[  517.768829][ T7457]  dump_stack_lvl+0x125/0x1b0
[  517.774205][ T7457]  sysfs_warn_dup+0x7f/0xa0
[  517.779819][ T7457]  sysfs_create_dir_ns+0x247/0x2a0
[  517.785669][ T7457]  ? sysfs_create_mount_point+0xb0/0xb0
[  517.791966][ T7457]  ? spin_bug+0x1c0/0x1c0
[  517.796632][ T7457]  ? net_namespace+0x12/0x40
[  517.802164][ T7457]  ? device_namespace+0x8d/0xc0
[  517.807327][ T7457]  kobject_add_internal+0x2c8/0x960
[  517.812765][ T7457]  kobject_add+0x16f/0x240
[  517.817774][ T7457]  ? kset_create_and_add+0x190/0x190
[  517.823218][ T7457]  ? do_raw_spin_unlock+0x172/0x230
[  517.828666][ T7457]  ? kobject_put+0xbe/0x440
[  517.833306][ T7457]  ? device_add+0xc35/0x1aa0
[  517.838488][ T7457]  device_add+0x289/0x1aa0
[  517.844809][ T7457]  ? device_initialize+0x510/0x510
[  517.850937][ T7457]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  517.856807][ T7457]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  517.863907][ T7457]  ? __init_waitqueue_head+0xca/0x150
[  517.869588][ T7457]  netdev_register_kobject+0x183/0x3f0
[  517.875541][ T7457]  register_netdevice+0xbdf/0x14a0
[  517.880986][ T7457]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  517.887569][ T7457]  ? validate_linkmsg+0x6fc/0x9c0
[  517.892847][ T7457]  ? rtnl_create_link+0xa6d/0xfd0
[  517.898008][ T7457]  ? batadv_get_sset_count+0x40/0x40
[  517.904605][ T7457]  batadv_softif_newlink+0x70/0x90
[  517.910397][ T7457]  __rtnl_newlink+0x1173/0x1930
[  517.915412][ T7457]  ? rtnl_link_unregister+0x260/0x260
[  517.923079][ T7457]  rtnl_newlink+0x67/0xa0
[  517.928619][ T7457]  ? __rtnl_newlink+0x1930/0x1930
[  517.936445][ T7457]  rtnetlink_rcv_msg+0x3c7/0xe00
[  517.943201][ T7457]  ? rtnl_getlink+0xb40/0xb40
[  517.948833][ T7457]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  517.956455][ T7457]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  517.963448][ T7457]  ? __lock_acquire+0xc97/0x5dc0
[  517.968613][ T7457]  netlink_rcv_skb+0x16b/0x440
[  517.973540][ T7457]  ? rtnl_getlink+0xb40/0xb40
[  517.979234][ T7457]  ? netlink_ack+0x1370/0x1370
[  517.984948][ T7457]  ? lock_sync+0x180/0x180
[  517.990537][ T7457]  ? netlink_deliver_tap+0x1a0/0xd00
[  517.996161][ T7457]  ? _copy_from_iter+0x2c1/0x10f0
[  518.001858][ T7457]  netlink_unicast+0x53b/0x810
[  518.007679][ T7457]  ? netlink_attachskb+0x870/0x870
[  518.013296][ T7457]  ? __phys_addr_symbol+0x30/0x70
[  518.019068][ T7457]  ? __check_object_size+0x322/0x730
[  518.024836][ T7457]  netlink_sendmsg+0x939/0xe40
[  518.030466][ T7457]  ? netlink_unicast+0x810/0x810
[  518.036094][ T7457]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  518.041650][ T7457]  ? netlink_unicast+0x810/0x810
[  518.046630][ T7457]  __sock_sendmsg+0xd5/0x180
[  518.051427][ T7457]  ____sys_sendmsg+0x6ac/0x940
[  518.056850][ T7457]  ? copy_msghdr_from_user+0x10b/0x160
[  518.063434][ T7457]  ? kernel_sendmsg+0x50/0x50
[  518.068282][ T7457]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  518.074645][ T7457]  ___sys_sendmsg+0x135/0x1d0
[  518.080550][ T7457]  ? do_recvmmsg+0x740/0x740
[  518.086175][ T7457]  ? find_held_lock+0x2d/0x110
[  518.091184][ T7457]  ? preempt_count_sub+0x150/0x150
[  518.096789][ T7457]  ? __fget_light+0x1fa/0x260
[  518.101900][ T7457]  __sys_sendmsg+0x117/0x1e0
[  518.106612][ T7457]  ? __sys_sendmsg_sock+0x30/0x30
[  518.111690][ T7457]  ? syscall_enter_from_user_mode+0x26/0x80
[  518.118140][ T7457]  do_syscall_64+0x3f/0x110
[  518.122772][ T7457]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  518.129090][ T7457] RIP: 0033:0x7fa730b27eb9
[  518.135320][ T7457] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  518.158097][ T7457] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  518.167374][ T7457] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  518.175463][ T7457] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  518.183481][ T7457] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  518.192189][ T7457] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  518.201081][ T7457] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  518.210454][ T7457]  </TASK>
[  518.226130][ T7457] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  518.274831][ T7460] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  518.299216][ T7460] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  518.322657][ T7460] CPU: 1 PID: 7460 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  518.334881][ T7460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  518.345579][ T7460] Call Trace:
[  518.349245][ T7460]  <TASK>
[  518.352215][ T7460]  dump_stack_lvl+0x125/0x1b0
[  518.357072][ T7460]  sysfs_warn_dup+0x7f/0xa0
[  518.361613][ T7460]  sysfs_create_dir_ns+0x247/0x2a0
[  518.366856][ T7460]  ? sysfs_create_mount_point+0xb0/0xb0
[  518.372454][ T7460]  ? spin_bug+0x1c0/0x1c0
[  518.376838][ T7460]  ? net_namespace+0x12/0x40
[  518.381482][ T7460]  ? device_namespace+0x8d/0xc0
[  518.386382][ T7460]  kobject_add_internal+0x2c8/0x960
[  518.391661][ T7460]  kobject_add+0x16f/0x240
[  518.396121][ T7460]  ? kset_create_and_add+0x190/0x190
[  518.401619][ T7460]  ? do_raw_spin_unlock+0x172/0x230
[  518.406858][ T7460]  ? kobject_put+0xbe/0x440
[  518.411398][ T7460]  ? device_add+0xc35/0x1aa0
[  518.416640][ T7460]  device_add+0x289/0x1aa0
[  518.421418][ T7460]  ? device_initialize+0x510/0x510
[  518.426755][ T7460]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  518.432687][ T7460]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  518.439847][ T7460]  ? __init_waitqueue_head+0xca/0x150
[  518.445283][ T7460]  netdev_register_kobject+0x183/0x3f0
[  518.451226][ T7460]  register_netdevice+0xbdf/0x14a0
[  518.456366][ T7460]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  518.462282][ T7460]  ? team_nl_cmd_noop+0x280/0x280
[  518.467404][ T7460]  team_newlink+0x92/0x160
[  518.471918][ T7460]  ? team_nl_cmd_noop+0x280/0x280
[  518.476956][ T7460]  ? rtnl_create_link+0xa6d/0xfd0
[  518.482002][ T7460]  __rtnl_newlink+0x1173/0x1930
[  518.486871][ T7460]  ? rtnl_link_unregister+0x260/0x260
[  518.492436][ T7460]  rtnl_newlink+0x67/0xa0
[  518.497104][ T7460]  ? __rtnl_newlink+0x1930/0x1930
[  518.502348][ T7460]  rtnetlink_rcv_msg+0x3c7/0xe00
[  518.507407][ T7460]  ? rtnl_getlink+0xb40/0xb40
[  518.512465][ T7460]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  518.518565][ T7460]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  518.524962][ T7460]  ? __lock_acquire+0xc97/0x5dc0
[  518.529942][ T7460]  netlink_rcv_skb+0x16b/0x440
[  518.534775][ T7460]  ? rtnl_getlink+0xb40/0xb40
[  518.539494][ T7460]  ? netlink_ack+0x1370/0x1370
[  518.544641][ T7460]  ? lock_sync+0x180/0x180
[  518.549277][ T7460]  ? netlink_deliver_tap+0x1a0/0xd00
[  518.554671][ T7460]  ? _copy_from_iter+0x2c1/0x10f0
[  518.559720][ T7460]  netlink_unicast+0x53b/0x810
[  518.564617][ T7460]  ? netlink_attachskb+0x870/0x870
[  518.569760][ T7460]  ? __phys_addr_symbol+0x30/0x70
[  518.574887][ T7460]  ? __check_object_size+0x322/0x730
[  518.580355][ T7460]  netlink_sendmsg+0x939/0xe40
[  518.585310][ T7460]  ? netlink_unicast+0x810/0x810
[  518.590275][ T7460]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  518.595570][ T7460]  ? netlink_unicast+0x810/0x810
[  518.600530][ T7460]  __sock_sendmsg+0xd5/0x180
[  518.605130][ T7460]  ____sys_sendmsg+0x6ac/0x940
[  518.610393][ T7460]  ? copy_msghdr_from_user+0x10b/0x160
[  518.616033][ T7460]  ? kernel_sendmsg+0x50/0x50
[  518.620981][ T7460]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  518.627192][ T7460]  ___sys_sendmsg+0x135/0x1d0
[  518.632088][ T7460]  ? do_recvmmsg+0x740/0x740
[  518.636715][ T7460]  ? find_held_lock+0x2d/0x110
[  518.641527][ T7460]  ? preempt_count_sub+0x150/0x150
[  518.646849][ T7460]  ? __fget_light+0x1fa/0x260
[  518.651802][ T7460]  __sys_sendmsg+0x117/0x1e0
[  518.656404][ T7460]  ? __sys_sendmsg_sock+0x30/0x30
[  518.661540][ T7460]  ? syscall_enter_from_user_mode+0x26/0x80
[  518.667532][ T7460]  do_syscall_64+0x3f/0x110
[  518.672134][ T7460]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  518.678034][ T7460] RIP: 0033:0x7fa730b27eb9
[  518.682625][ T7460] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  518.702420][ T7460] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  518.710839][ T7460] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  518.718851][ T7460] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  518.726927][ T7460] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  518.734897][ T7460] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  518.742867][ T7460] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  518.750943][ T7460]  </TASK>
[  518.766904][ T7460] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  518.809614][ T7460] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  518.819778][ T7460] CPU: 0 PID: 7460 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  518.831478][ T7460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  518.841831][ T7460] Call Trace:
[  518.845308][ T7460]  <TASK>
[  518.848250][ T7460]  dump_stack_lvl+0x125/0x1b0
[  518.853056][ T7460]  sysfs_warn_dup+0x7f/0xa0
[  518.857599][ T7460]  sysfs_create_dir_ns+0x247/0x2a0
[  518.862855][ T7460]  ? sysfs_create_mount_point+0xb0/0xb0
[  518.868776][ T7460]  ? spin_bug+0x1c0/0x1c0
[  518.873451][ T7460]  ? net_namespace+0x12/0x40
[  518.878171][ T7460]  ? device_namespace+0x8d/0xc0
[  518.883271][ T7460]  kobject_add_internal+0x2c8/0x960
[  518.888611][ T7460]  kobject_add+0x16f/0x240
[  518.893237][ T7460]  ? kset_create_and_add+0x190/0x190
[  518.898665][ T7460]  ? do_raw_spin_unlock+0x172/0x230
[  518.903996][ T7460]  ? kobject_put+0xbe/0x440
[  518.908546][ T7460]  ? device_add+0xc35/0x1aa0
[  518.913206][ T7460]  device_add+0x289/0x1aa0
[  518.917661][ T7460]  ? device_initialize+0x510/0x510
[  518.922989][ T7460]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  518.929534][ T7460]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  518.936423][ T7460]  ? __init_waitqueue_head+0xca/0x150
[  518.942459][ T7460]  netdev_register_kobject+0x183/0x3f0
[  518.948461][ T7460]  register_netdevice+0xbdf/0x14a0
[  518.953847][ T7460]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  518.959746][ T7460]  ? validate_linkmsg+0x6fc/0x9c0
[  518.964785][ T7460]  ? rtnl_create_link+0xa6d/0xfd0
[  518.970096][ T7460]  ? batadv_get_sset_count+0x40/0x40
[  518.975482][ T7460]  batadv_softif_newlink+0x70/0x90
[  518.980716][ T7460]  __rtnl_newlink+0x1173/0x1930
[  518.985673][ T7460]  ? rtnl_link_unregister+0x260/0x260
[  518.991164][ T7460]  rtnl_newlink+0x67/0xa0
[  518.995500][ T7460]  ? __rtnl_newlink+0x1930/0x1930
[  519.000616][ T7460]  rtnetlink_rcv_msg+0x3c7/0xe00
[  519.005576][ T7460]  ? rtnl_getlink+0xb40/0xb40
[  519.010257][ T7460]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  519.016786][ T7460]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  519.022870][ T7460]  ? __lock_acquire+0xc97/0x5dc0
[  519.028642][ T7460]  netlink_rcv_skb+0x16b/0x440
[  519.033806][ T7460]  ? rtnl_getlink+0xb40/0xb40
[  519.039473][ T7460]  ? netlink_ack+0x1370/0x1370
[  519.044619][ T7460]  ? lock_sync+0x180/0x180
[  519.049107][ T7460]  ? netlink_deliver_tap+0x1a0/0xd00
[  519.054610][ T7460]  ? _copy_from_iter+0x2c1/0x10f0
[  519.059747][ T7460]  netlink_unicast+0x53b/0x810
[  519.064569][ T7460]  ? netlink_attachskb+0x870/0x870
[  519.069688][ T7460]  ? __phys_addr_symbol+0x30/0x70
[  519.074722][ T7460]  ? __check_object_size+0x322/0x730
[  519.080192][ T7460]  netlink_sendmsg+0x939/0xe40
[  519.085153][ T7460]  ? netlink_unicast+0x810/0x810
[  519.090220][ T7460]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  519.095636][ T7460]  ? netlink_unicast+0x810/0x810
[  519.100615][ T7460]  __sock_sendmsg+0xd5/0x180
[  519.105246][ T7460]  ____sys_sendmsg+0x6ac/0x940
[  519.110030][ T7460]  ? copy_msghdr_from_user+0x10b/0x160
[  519.115679][ T7460]  ? kernel_sendmsg+0x50/0x50
[  519.120637][ T7460]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  519.126734][ T7460]  ___sys_sendmsg+0x135/0x1d0
[  519.131520][ T7460]  ? do_recvmmsg+0x740/0x740
[  519.136731][ T7460]  ? find_held_lock+0x2d/0x110
[  519.141617][ T7460]  ? preempt_count_sub+0x150/0x150
[  519.146922][ T7460]  ? __fget_light+0x1fa/0x260
[  519.151621][ T7460]  __sys_sendmsg+0x117/0x1e0
[  519.156492][ T7460]  ? __sys_sendmsg_sock+0x30/0x30
[  519.161543][ T7460]  ? syscall_enter_from_user_mode+0x26/0x80
[  519.167544][ T7460]  do_syscall_64+0x3f/0x110
[  519.172083][ T7460]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  519.178082][ T7460] RIP: 0033:0x7fa730b27eb9
[  519.182501][ T7460] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  519.202466][ T7460] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  519.211154][ T7460] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  519.219403][ T7460] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  519.227550][ T7460] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  519.235836][ T7460] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  519.243985][ T7460] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  519.251972][ T7460]  </TASK>
[  519.266955][ T7460] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  519.334753][ T7464] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  519.353261][ T7464] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  519.375876][ T7464] CPU: 1 PID: 7464 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  519.387216][ T7464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  519.397292][ T7464] Call Trace:
[  519.400683][ T7464]  <TASK>
[  519.403721][ T7464]  dump_stack_lvl+0x125/0x1b0
[  519.408532][ T7464]  sysfs_warn_dup+0x7f/0xa0
[  519.413146][ T7464]  sysfs_create_dir_ns+0x247/0x2a0
[  519.418280][ T7464]  ? sysfs_create_mount_point+0xb0/0xb0
[  519.423852][ T7464]  ? spin_bug+0x1c0/0x1c0
[  519.428307][ T7464]  ? net_namespace+0x12/0x40
[  519.433010][ T7464]  ? device_namespace+0x8d/0xc0
[  519.438074][ T7464]  kobject_add_internal+0x2c8/0x960
[  519.443319][ T7464]  kobject_add+0x16f/0x240
[  519.447774][ T7464]  ? kset_create_and_add+0x190/0x190
[  519.453115][ T7464]  ? do_raw_spin_unlock+0x172/0x230
[  519.458523][ T7464]  ? kobject_put+0xbe/0x440
[  519.463067][ T7464]  ? device_add+0xc35/0x1aa0
[  519.467787][ T7464]  device_add+0x289/0x1aa0
[  519.472251][ T7464]  ? device_initialize+0x510/0x510
[  519.477543][ T7464]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  519.483535][ T7464]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  519.490432][ T7464]  ? __init_waitqueue_head+0xca/0x150
[  519.496289][ T7464]  netdev_register_kobject+0x183/0x3f0
[  519.501853][ T7464]  register_netdevice+0xbdf/0x14a0
[  519.506976][ T7464]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  519.512974][ T7464]  ? team_nl_cmd_noop+0x280/0x280
[  519.519124][ T7464]  team_newlink+0x92/0x160
[  519.523960][ T7464]  ? team_nl_cmd_noop+0x280/0x280
[  519.529334][ T7464]  ? rtnl_create_link+0xa6d/0xfd0
[  519.534987][ T7464]  __rtnl_newlink+0x1173/0x1930
[  519.540163][ T7464]  ? rtnl_link_unregister+0x260/0x260
[  519.545876][ T7464]  rtnl_newlink+0x67/0xa0
[  519.550318][ T7464]  ? __rtnl_newlink+0x1930/0x1930
[  519.555440][ T7464]  rtnetlink_rcv_msg+0x3c7/0xe00
[  519.560479][ T7464]  ? rtnl_getlink+0xb40/0xb40
[  519.565283][ T7464]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  519.571379][ T7464]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  519.577464][ T7464]  ? __lock_acquire+0xc97/0x5dc0
[  519.582425][ T7464]  netlink_rcv_skb+0x16b/0x440
[  519.587214][ T7464]  ? rtnl_getlink+0xb40/0xb40
[  519.591902][ T7464]  ? netlink_ack+0x1370/0x1370
[  519.596761][ T7464]  ? lock_sync+0x180/0x180
[  519.602854][ T7464]  ? netlink_deliver_tap+0x1a0/0xd00
[  519.608147][ T7464]  ? _copy_from_iter+0x2c1/0x10f0
[  519.613192][ T7464]  netlink_unicast+0x53b/0x810
[  519.618233][ T7464]  ? netlink_attachskb+0x870/0x870
[  519.623358][ T7464]  ? __phys_addr_symbol+0x30/0x70
[  519.628397][ T7464]  ? __check_object_size+0x322/0x730
[  519.633783][ T7464]  netlink_sendmsg+0x939/0xe40
[  519.638651][ T7464]  ? netlink_unicast+0x810/0x810
[  519.643606][ T7464]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  519.648901][ T7464]  ? netlink_unicast+0x810/0x810
[  519.654023][ T7464]  __sock_sendmsg+0xd5/0x180
[  519.658624][ T7464]  ____sys_sendmsg+0x6ac/0x940
[  519.663659][ T7464]  ? copy_msghdr_from_user+0x10b/0x160
[  519.669311][ T7464]  ? kernel_sendmsg+0x50/0x50
[  519.674002][ T7464]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  519.680510][ T7464]  ___sys_sendmsg+0x135/0x1d0
[  519.685487][ T7464]  ? do_recvmmsg+0x740/0x740
[  519.690276][ T7464]  ? find_held_lock+0x2d/0x110
[  519.695210][ T7464]  ? preempt_count_sub+0x150/0x150
[  519.700538][ T7464]  ? __fget_light+0x1fa/0x260
[  519.705321][ T7464]  __sys_sendmsg+0x117/0x1e0
[  519.709926][ T7464]  ? __sys_sendmsg_sock+0x30/0x30
[  519.715150][ T7464]  ? syscall_enter_from_user_mode+0x26/0x80
[  519.721061][ T7464]  do_syscall_64+0x3f/0x110
[  519.725855][ T7464]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  519.732045][ T7464] RIP: 0033:0x7fa730b27eb9
[  519.736467][ T7464] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  519.756908][ T7464] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  519.765423][ T7464] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  519.773940][ T7464] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  519.781915][ T7464] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  519.789985][ T7464] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  519.798047][ T7464] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  519.806238][ T7464]  </TASK>
[  519.823296][ T7464] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  519.883404][ T7464] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  519.901570][ T7464] CPU: 1 PID: 7464 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  519.913530][ T7464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  519.924145][ T7464] Call Trace:
[  519.927896][ T7464]  <TASK>
[  519.930976][ T7464]  dump_stack_lvl+0x125/0x1b0
[  519.935990][ T7464]  sysfs_warn_dup+0x7f/0xa0
[  519.940901][ T7464]  sysfs_create_dir_ns+0x247/0x2a0
[  519.946491][ T7464]  ? sysfs_create_mount_point+0xb0/0xb0
[  519.952870][ T7464]  ? spin_bug+0x1c0/0x1c0
[  519.957515][ T7464]  ? net_namespace+0x12/0x40
[  519.962145][ T7464]  ? device_namespace+0x8d/0xc0
[  519.967129][ T7464]  kobject_add_internal+0x2c8/0x960
[  519.972692][ T7464]  kobject_add+0x16f/0x240
[  519.977199][ T7464]  ? kset_create_and_add+0x190/0x190
[  519.982886][ T7464]  ? do_raw_spin_unlock+0x172/0x230
[  519.988748][ T7464]  ? kobject_put+0xbe/0x440
[  519.993404][ T7464]  ? device_add+0xc35/0x1aa0
[  519.998138][ T7464]  device_add+0x289/0x1aa0
[  520.002696][ T7464]  ? device_initialize+0x510/0x510
[  520.008895][ T7464]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  520.014886][ T7464]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  520.021817][ T7464]  ? __init_waitqueue_head+0xca/0x150
[  520.027692][ T7464]  netdev_register_kobject+0x183/0x3f0
[  520.035118][ T7464]  register_netdevice+0xbdf/0x14a0
[  520.040367][ T7464]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  520.046839][ T7464]  ? validate_linkmsg+0x6fc/0x9c0
[  520.052309][ T7464]  ? rtnl_create_link+0xa6d/0xfd0
[  520.057559][ T7464]  ? batadv_get_sset_count+0x40/0x40
[  520.063149][ T7464]  batadv_softif_newlink+0x70/0x90
[  520.068502][ T7464]  __rtnl_newlink+0x1173/0x1930
[  520.073491][ T7464]  ? rtnl_link_unregister+0x260/0x260
[  520.079125][ T7464]  rtnl_newlink+0x67/0xa0
[  520.083494][ T7464]  ? __rtnl_newlink+0x1930/0x1930
[  520.088821][ T7464]  rtnetlink_rcv_msg+0x3c7/0xe00
[  520.093799][ T7464]  ? rtnl_getlink+0xb40/0xb40
[  520.098758][ T7464]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  520.104784][ T7464]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  520.110891][ T7464]  ? __lock_acquire+0xc97/0x5dc0
[  520.115984][ T7464]  netlink_rcv_skb+0x16b/0x440
[  520.120881][ T7464]  ? rtnl_getlink+0xb40/0xb40
[  520.125603][ T7464]  ? netlink_ack+0x1370/0x1370
[  520.130583][ T7464]  ? lock_sync+0x180/0x180
[  520.135156][ T7464]  ? netlink_deliver_tap+0x1a0/0xd00
[  520.140477][ T7464]  ? _copy_from_iter+0x2c1/0x10f0
[  520.145577][ T7464]  netlink_unicast+0x53b/0x810
[  520.150509][ T7464]  ? netlink_attachskb+0x870/0x870
[  520.156276][ T7464]  ? __phys_addr_symbol+0x30/0x70
[  520.161434][ T7464]  ? __check_object_size+0x322/0x730
[  520.166761][ T7464]  netlink_sendmsg+0x939/0xe40
[  520.171703][ T7464]  ? netlink_unicast+0x810/0x810
[  520.176952][ T7464]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  520.182282][ T7464]  ? netlink_unicast+0x810/0x810
[  520.187623][ T7464]  __sock_sendmsg+0xd5/0x180
[  520.192427][ T7464]  ____sys_sendmsg+0x6ac/0x940
[  520.197308][ T7464]  ? copy_msghdr_from_user+0x10b/0x160
[  520.203060][ T7464]  ? kernel_sendmsg+0x50/0x50
[  520.208035][ T7464]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  520.214357][ T7464]  ___sys_sendmsg+0x135/0x1d0
[  520.219164][ T7464]  ? do_recvmmsg+0x740/0x740
[  520.223778][ T7464]  ? find_held_lock+0x2d/0x110
[  520.229194][ T7464]  ? preempt_count_sub+0x150/0x150
[  520.234528][ T7464]  ? __fget_light+0x1fa/0x260
[  520.239337][ T7464]  __sys_sendmsg+0x117/0x1e0
[  520.243957][ T7464]  ? __sys_sendmsg_sock+0x30/0x30
[  520.249734][ T7464]  ? syscall_enter_from_user_mode+0x26/0x80
[  520.255747][ T7464]  do_syscall_64+0x3f/0x110
[  520.260282][ T7464]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  520.266201][ T7464] RIP: 0033:0x7fa730b27eb9
[  520.270636][ T7464] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  520.290793][ T7464] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  520.299238][ T7464] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  520.307251][ T7464] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  520.315702][ T7464] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  520.323716][ T7464] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  520.332024][ T7464] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  520.340146][ T7464]  </TASK>
[  520.454715][ T7464] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  520.545803][ T7475] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  520.563875][ T7475] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  520.573205][ T7475] CPU: 1 PID: 7475 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  520.584621][ T7475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  520.595052][ T7475] Call Trace:
[  520.598361][ T7475]  <TASK>
[  520.601489][ T7475]  dump_stack_lvl+0x125/0x1b0
[  520.606480][ T7475]  sysfs_warn_dup+0x7f/0xa0
[  520.611011][ T7475]  sysfs_create_dir_ns+0x247/0x2a0
[  520.616242][ T7475]  ? sysfs_create_mount_point+0xb0/0xb0
[  520.621815][ T7475]  ? spin_bug+0x1c0/0x1c0
[  520.626267][ T7475]  ? net_namespace+0x12/0x40
[  520.630878][ T7475]  ? device_namespace+0x8d/0xc0
[  520.635768][ T7475]  kobject_add_internal+0x2c8/0x960
[  520.641365][ T7475]  kobject_add+0x16f/0x240
[  520.645916][ T7475]  ? kset_create_and_add+0x190/0x190
[  520.651420][ T7475]  ? do_raw_spin_unlock+0x172/0x230
[  520.656665][ T7475]  ? kobject_put+0xbe/0x440
[  520.661386][ T7475]  ? device_add+0xc35/0x1aa0
[  520.666293][ T7475]  device_add+0x289/0x1aa0
[  520.670762][ T7475]  ? device_initialize+0x510/0x510
[  520.675919][ T7475]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  520.682014][ T7475]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  520.688887][ T7475]  ? __init_waitqueue_head+0xca/0x150
[  520.694280][ T7475]  netdev_register_kobject+0x183/0x3f0
[  520.699844][ T7475]  register_netdevice+0xbdf/0x14a0
[  520.704973][ T7475]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  520.710882][ T7475]  ? team_nl_cmd_noop+0x280/0x280
[  520.716092][ T7475]  team_newlink+0x92/0x160
[  520.720823][ T7475]  ? team_nl_cmd_noop+0x280/0x280
[  520.725877][ T7475]  ? rtnl_create_link+0xa6d/0xfd0
[  520.730934][ T7475]  __rtnl_newlink+0x1173/0x1930
[  520.735815][ T7475]  ? rtnl_link_unregister+0x260/0x260
[  520.741252][ T7475]  rtnl_newlink+0x67/0xa0
[  520.745595][ T7475]  ? __rtnl_newlink+0x1930/0x1930
[  520.750628][ T7475]  rtnetlink_rcv_msg+0x3c7/0xe00
[  520.755575][ T7475]  ? rtnl_getlink+0xb40/0xb40
[  520.760343][ T7475]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  520.766427][ T7475]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  520.772429][ T7475]  ? __lock_acquire+0xc97/0x5dc0
[  520.777411][ T7475]  netlink_rcv_skb+0x16b/0x440
[  520.782368][ T7475]  ? rtnl_getlink+0xb40/0xb40
[  520.787139][ T7475]  ? netlink_ack+0x1370/0x1370
[  520.791995][ T7475]  ? lock_sync+0x180/0x180
[  520.796437][ T7475]  ? netlink_deliver_tap+0x1a0/0xd00
[  520.801732][ T7475]  ? _copy_from_iter+0x2c1/0x10f0
[  520.806900][ T7475]  netlink_unicast+0x53b/0x810
[  520.811779][ T7475]  ? netlink_attachskb+0x870/0x870
[  520.816924][ T7475]  ? __phys_addr_symbol+0x30/0x70
[  520.821973][ T7475]  ? __check_object_size+0x322/0x730
[  520.827294][ T7475]  netlink_sendmsg+0x939/0xe40
[  520.832104][ T7475]  ? netlink_unicast+0x810/0x810
[  520.837075][ T7475]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  520.842472][ T7475]  ? netlink_unicast+0x810/0x810
[  520.847432][ T7475]  __sock_sendmsg+0xd5/0x180
[  520.852043][ T7475]  ____sys_sendmsg+0x6ac/0x940
[  520.856836][ T7475]  ? copy_msghdr_from_user+0x10b/0x160
[  520.862400][ T7475]  ? kernel_sendmsg+0x50/0x50
[  520.867087][ T7475]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  520.873088][ T7475]  ___sys_sendmsg+0x135/0x1d0
[  520.878002][ T7475]  ? do_recvmmsg+0x740/0x740
[  520.882597][ T7475]  ? find_held_lock+0x2d/0x110
[  520.887474][ T7475]  ? preempt_count_sub+0x150/0x150
[  520.892634][ T7475]  ? __fget_light+0x1fa/0x260
[  520.897337][ T7475]  __sys_sendmsg+0x117/0x1e0
[  520.902117][ T7475]  ? __sys_sendmsg_sock+0x30/0x30
[  520.907255][ T7475]  ? syscall_enter_from_user_mode+0x26/0x80
[  520.913290][ T7475]  do_syscall_64+0x3f/0x110
[  520.917909][ T7475]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  520.923902][ T7475] RIP: 0033:0x7fa730b27eb9
[  520.928323][ T7475] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  520.948318][ T7475] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  520.956841][ T7475] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  520.964830][ T7475] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  520.972824][ T7475] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  520.980902][ T7475] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  520.988973][ T7475] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  520.997104][ T7475]  </TASK>
[  521.017758][ T7475] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  521.049426][ T7475] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  521.071626][ T7475] CPU: 1 PID: 7475 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  521.083069][ T7475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  521.093210][ T7475] Call Trace:
[  521.096505][ T7475]  <TASK>
[  521.099448][ T7475]  dump_stack_lvl+0x125/0x1b0
[  521.104167][ T7475]  sysfs_warn_dup+0x7f/0xa0
[  521.108702][ T7475]  sysfs_create_dir_ns+0x247/0x2a0
[  521.114020][ T7475]  ? sysfs_create_mount_point+0xb0/0xb0
[  521.119607][ T7475]  ? spin_bug+0x1c0/0x1c0
[  521.123998][ T7475]  ? net_namespace+0x12/0x40
[  521.128877][ T7475]  ? device_namespace+0x8d/0xc0
[  521.133775][ T7475]  kobject_add_internal+0x2c8/0x960
[  521.139471][ T7475]  kobject_add+0x16f/0x240
[  521.143941][ T7475]  ? kset_create_and_add+0x190/0x190
[  521.149287][ T7475]  ? do_raw_spin_unlock+0x172/0x230
[  521.154795][ T7475]  ? kobject_put+0xbe/0x440
[  521.159342][ T7475]  ? device_add+0xc35/0x1aa0
[  521.164187][ T7475]  device_add+0x289/0x1aa0
[  521.168634][ T7475]  ? device_initialize+0x510/0x510
[  521.173774][ T7475]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  521.179726][ T7475]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  521.186626][ T7475]  ? __init_waitqueue_head+0xca/0x150
[  521.192044][ T7475]  netdev_register_kobject+0x183/0x3f0
[  521.197633][ T7475]  register_netdevice+0xbdf/0x14a0
[  521.202795][ T7475]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  521.208839][ T7475]  ? validate_linkmsg+0x6fc/0x9c0
[  521.214019][ T7475]  ? rtnl_create_link+0xa6d/0xfd0
[  521.219101][ T7475]  ? batadv_get_sset_count+0x40/0x40
[  521.224488][ T7475]  batadv_softif_newlink+0x70/0x90
[  521.229871][ T7475]  __rtnl_newlink+0x1173/0x1930
[  521.234817][ T7475]  ? rtnl_link_unregister+0x260/0x260
[  521.240346][ T7475]  rtnl_newlink+0x67/0xa0
[  521.244707][ T7475]  ? __rtnl_newlink+0x1930/0x1930
[  521.249806][ T7475]  rtnetlink_rcv_msg+0x3c7/0xe00
[  521.254962][ T7475]  ? rtnl_getlink+0xb40/0xb40
[  521.259665][ T7475]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  521.265789][ T7475]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  521.271823][ T7475]  ? __lock_acquire+0xc97/0x5dc0
[  521.276807][ T7475]  netlink_rcv_skb+0x16b/0x440
[  521.281612][ T7475]  ? rtnl_getlink+0xb40/0xb40
[  521.286343][ T7475]  ? netlink_ack+0x1370/0x1370
[  521.291146][ T7475]  ? lock_sync+0x180/0x180
[  521.295617][ T7475]  ? netlink_deliver_tap+0x1a0/0xd00
[  521.301019][ T7475]  ? _copy_from_iter+0x2c1/0x10f0
[  521.306087][ T7475]  netlink_unicast+0x53b/0x810
[  521.311100][ T7475]  ? netlink_attachskb+0x870/0x870
[  521.316246][ T7475]  ? __phys_addr_symbol+0x30/0x70
[  521.321301][ T7475]  ? __check_object_size+0x322/0x730
[  521.326616][ T7475]  netlink_sendmsg+0x939/0xe40
[  521.331436][ T7475]  ? netlink_unicast+0x810/0x810
[  521.336419][ T7475]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  521.341738][ T7475]  ? netlink_unicast+0x810/0x810
[  521.346837][ T7475]  __sock_sendmsg+0xd5/0x180
[  521.351541][ T7475]  ____sys_sendmsg+0x6ac/0x940
[  521.356853][ T7475]  ? copy_msghdr_from_user+0x10b/0x160
[  521.362516][ T7475]  ? kernel_sendmsg+0x50/0x50
[  521.367228][ T7475]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  521.373350][ T7475]  ___sys_sendmsg+0x135/0x1d0
[  521.378079][ T7475]  ? do_recvmmsg+0x740/0x740
[  521.382785][ T7475]  ? find_held_lock+0x2d/0x110
[  521.387596][ T7475]  ? preempt_count_sub+0x150/0x150
[  521.392837][ T7475]  ? __fget_light+0x1fa/0x260
[  521.397562][ T7475]  __sys_sendmsg+0x117/0x1e0
[  521.402182][ T7475]  ? __sys_sendmsg_sock+0x30/0x30
[  521.407253][ T7475]  ? syscall_enter_from_user_mode+0x26/0x80
[  521.413197][ T7475]  do_syscall_64+0x3f/0x110
[  521.417738][ T7475]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  521.423663][ T7475] RIP: 0033:0x7fa730b27eb9
[  521.428187][ T7475] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  521.448005][ T7475] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  521.456539][ T7475] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  521.464713][ T7475] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  521.472795][ T7475] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  521.480794][ T7475] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  521.488784][ T7475] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  521.497147][ T7475]  </TASK>
[  521.516198][ T7475] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  521.564607][ T4736] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000'
[  521.573959][ T4736] CPU: 1 PID: 4736 Comm: dhcpcd Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  521.584674][ T4736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  521.594778][ T4736] Call Trace:
[  521.598084][ T4736]  <TASK>
[  521.601122][ T4736]  dump_stack_lvl+0x125/0x1b0
[  521.605844][ T4736]  sysfs_warn_dup+0x7f/0xa0
[  521.610388][ T4736]  sysfs_create_dir_ns+0x247/0x2a0
[  521.615523][ T4736]  ? sysfs_create_mount_point+0xb0/0xb0
[  521.621343][ T4736]  ? spin_bug+0x1c0/0x1c0
[  521.625690][ T4736]  ? net_namespace+0x12/0x40
[  521.630291][ T4736]  ? device_namespace+0x8d/0xc0
[  521.635163][ T4736]  kobject_add_internal+0x2c8/0x960
[  521.640388][ T4736]  kobject_add+0x16f/0x240
[  521.644842][ T4736]  ? kset_create_and_add+0x190/0x190
[  521.650234][ T4736]  ? do_raw_spin_unlock+0x172/0x230
[  521.655472][ T4736]  ? kobject_put+0xbe/0x440
[  521.660067][ T4736]  ? device_add+0xc35/0x1aa0
[  521.664773][ T4736]  device_add+0x289/0x1aa0
[  521.669307][ T4736]  ? device_initialize+0x510/0x510
[  521.674443][ T4736]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  521.680466][ T4736]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  521.687447][ T4736]  ? __init_waitqueue_head+0xca/0x150
[  521.692932][ T4736]  netdev_register_kobject+0x183/0x3f0
[  521.698507][ T4736]  register_netdevice+0xbdf/0x14a0
[  521.703634][ T4736]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  521.709549][ T4736]  ? alloc_netdev_mqs+0xee6/0x1290
[  521.714766][ T4736]  bpq_device_event+0x39e/0xaf0
[  521.719630][ T4736]  ? team_device_event+0x219/0x750
[  521.724950][ T4736]  notifier_call_chain+0xb6/0x3c0
[  521.730076][ T4736]  ? bpq_seq_stop+0xb0/0xb0
[  521.734596][ T4736]  call_netdevice_notifiers_info+0xbe/0x130
[  521.740507][ T4736]  __dev_notify_flags+0x12d/0x2e0
[  521.745818][ T4736]  ? dev_change_name+0x800/0x800
[  521.750765][ T4736]  ? dev_set_allmulti+0x30/0x30
[  521.755638][ T4736]  dev_change_flags+0x122/0x170
[  521.760765][ T4736]  devinet_ioctl+0x13ef/0x1f00
[  521.765566][ T4736]  ? inet_ifa_byprefix+0x2d0/0x2d0
[  521.770708][ T4736]  ? _copy_from_user+0x5d/0xf0
[  521.775495][ T4736]  inet_ioctl+0x3a6/0x3f0
[  521.779833][ T4736]  ? find_held_lock+0x2d/0x110
[  521.784698][ T4736]  ? ipip_gro_complete+0x140/0x140
[  521.789813][ T4736]  ? tomoyo_path_number_perm+0x28e/0x580
[  521.795548][ T4736]  ? tomoyo_path_number_perm+0x463/0x580
[  521.801193][ T4736]  ? __kmem_cache_free+0xc0/0x180
[  521.806498][ T4736]  ? tomoyo_execute_permission+0x4a0/0x4a0
[  521.812313][ T4736]  ? lockdep_hardirqs_on+0x7c/0x100
[  521.817530][ T4736]  sock_do_ioctl+0x113/0x270
[  521.822135][ T4736]  ? put_user_ifreq+0x130/0x130
[  521.826987][ T4736]  ? do_vfs_ioctl+0x379/0x1920
[  521.831866][ T4736]  ? vfs_fileattr_set+0xbf0/0xbf0
[  521.836922][ T4736]  sock_ioctl+0x22e/0x6b0
[  521.841261][ T4736]  ? br_ioctl_call+0xb0/0xb0
[  521.845872][ T4736]  ? __sys_socket+0xad/0x260
[  521.850496][ T4736]  ? bpf_lsm_file_ioctl+0x9/0x10
[  521.855448][ T4736]  ? br_ioctl_call+0xb0/0xb0
[  521.860049][ T4736]  __x64_sys_ioctl+0x18f/0x210
[  521.864923][ T4736]  do_syscall_64+0x3f/0x110
[  521.869442][ T4736]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  521.875343][ T4736] RIP: 0033:0x7f25075f2d49
[  521.879764][ T4736] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8
[  521.899986][ T4736] RSP: 002b:00007fff865bddb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  521.908437][ T4736] RAX: ffffffffffffffda RBX: 00007f25075246c0 RCX: 00007f25075f2d49
[  521.916709][ T4736] RDX: 00007fff865cdfa8 RSI: 0000000000008914 RDI: 0000000000000013
[  521.924783][ T4736] RBP: 00007fff865de168 R08: 00007fff865cdf68 R09: 00007fff865cdf18
[  521.933061][ T4736] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  521.941236][ T4736] R13: 00007fff865cdfa8 R14: 0000000000000028 R15: 0000000000008914
[  521.949403][ T4736]  </TASK>
[  521.967089][ T4736] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  521.983323][ T4736] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000'
[  521.994241][ T4736] CPU: 1 PID: 4736 Comm: dhcpcd Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  522.004951][ T4736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  522.015120][ T4736] Call Trace:
[  522.018513][ T4736]  <TASK>
[  522.021549][ T4736]  dump_stack_lvl+0x125/0x1b0
[  522.026784][ T4736]  sysfs_warn_dup+0x7f/0xa0
[  522.031341][ T4736]  sysfs_create_dir_ns+0x247/0x2a0
[  522.036783][ T4736]  ? sysfs_create_mount_point+0xb0/0xb0
[  522.042627][ T4736]  ? spin_bug+0x1c0/0x1c0
[  522.047091][ T4736]  ? net_namespace+0x12/0x40
[  522.051702][ T4736]  ? device_namespace+0x8d/0xc0
[  522.056588][ T4736]  kobject_add_internal+0x2c8/0x960
[  522.061841][ T4736]  kobject_add+0x16f/0x240
[  522.066906][ T4736]  ? kset_create_and_add+0x190/0x190
[  522.072226][ T4736]  ? do_raw_spin_unlock+0x172/0x230
[  522.077632][ T4736]  ? kobject_put+0xbe/0x440
[  522.082175][ T4736]  ? device_add+0xc35/0x1aa0
[  522.086798][ T4736]  device_add+0x289/0x1aa0
[  522.091322][ T4736]  ? device_initialize+0x510/0x510
[  522.096451][ T4736]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  522.102314][ T4736]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  522.109197][ T4736]  ? __init_waitqueue_head+0xca/0x150
[  522.114787][ T4736]  netdev_register_kobject+0x183/0x3f0
[  522.120414][ T4736]  register_netdevice+0xbdf/0x14a0
[  522.125743][ T4736]  ? lockdep_hardirqs_on+0x7c/0x100
[  522.130970][ T4736]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  522.136972][ T4736]  ? lapbeth_setup+0x170/0x170
[  522.141874][ T4736]  lapbeth_device_event+0x5b8/0xd40
[  522.147195][ T4736]  notifier_call_chain+0xb6/0x3c0
[  522.152339][ T4736]  ? lapbeth_xmit+0x290/0x290
[  522.157142][ T4736]  call_netdevice_notifiers_info+0xbe/0x130
[  522.163086][ T4736]  __dev_notify_flags+0x12d/0x2e0
[  522.168234][ T4736]  ? dev_change_name+0x800/0x800
[  522.173238][ T4736]  ? dev_set_allmulti+0x30/0x30
[  522.178216][ T4736]  dev_change_flags+0x122/0x170
[  522.183189][ T4736]  devinet_ioctl+0x13ef/0x1f00
[  522.187987][ T4736]  ? inet_ifa_byprefix+0x2d0/0x2d0
[  522.193219][ T4736]  ? _copy_from_user+0x5d/0xf0
[  522.198043][ T4736]  inet_ioctl+0x3a6/0x3f0
[  522.202495][ T4736]  ? find_held_lock+0x2d/0x110
[  522.207412][ T4736]  ? ipip_gro_complete+0x140/0x140
[  522.212743][ T4736]  ? tomoyo_path_number_perm+0x28e/0x580
[  522.218423][ T4736]  ? tomoyo_path_number_perm+0x463/0x580
[  522.224096][ T4736]  ? __kmem_cache_free+0xc0/0x180
[  522.229171][ T4736]  ? tomoyo_execute_permission+0x4a0/0x4a0
[  522.235541][ T4736]  ? lockdep_hardirqs_on+0x7c/0x100
[  522.241043][ T4736]  sock_do_ioctl+0x113/0x270
[  522.245747][ T4736]  ? put_user_ifreq+0x130/0x130
[  522.250619][ T4736]  ? do_vfs_ioctl+0x379/0x1920
[  522.255512][ T4736]  ? vfs_fileattr_set+0xbf0/0xbf0
[  522.260597][ T4736]  sock_ioctl+0x22e/0x6b0
[  522.265020][ T4736]  ? br_ioctl_call+0xb0/0xb0
[  522.269822][ T4736]  ? __sys_socket+0xad/0x260
[  522.274539][ T4736]  ? bpf_lsm_file_ioctl+0x9/0x10
[  522.279512][ T4736]  ? br_ioctl_call+0xb0/0xb0
[  522.284131][ T4736]  __x64_sys_ioctl+0x18f/0x210
[  522.289017][ T4736]  do_syscall_64+0x3f/0x110
[  522.293552][ T4736]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  522.299644][ T4736] RIP: 0033:0x7f25075f2d49
[  522.304176][ T4736] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8
[  522.324089][ T4736] RSP: 002b:00007fff865bddb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  522.332535][ T4736] RAX: ffffffffffffffda RBX: 00007f25075246c0 RCX: 00007f25075f2d49
[  522.340538][ T4736] RDX: 00007fff865cdfa8 RSI: 0000000000008914 RDI: 0000000000000013
[  522.349052][ T4736] RBP: 00007fff865de168 R08: 00007fff865cdf68 R09: 00007fff865cdf18
[  522.357081][ T4736] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  522.365185][ T4736] R13: 00007fff865cdfa8 R14: 0000000000000028 R15: 0000000000008914
[  522.373296][ T4736]  </TASK>
[  522.377589][ T4736] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  522.395579][ T4736] 8021q: adding VLAN 0 to HW filter on device team7
[  522.403196][ T7477] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  522.414858][ T7477] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  522.424860][ T7477] CPU: 0 PID: 7477 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  522.436799][ T7477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  522.447079][ T7477] Call Trace:
[  522.450389][ T7477]  <TASK>
[  522.453462][ T7477]  dump_stack_lvl+0x125/0x1b0
[  522.458207][ T7477]  sysfs_warn_dup+0x7f/0xa0
[  522.462929][ T7477]  sysfs_create_dir_ns+0x247/0x2a0
[  522.468169][ T7477]  ? sysfs_create_mount_point+0xb0/0xb0
[  522.474015][ T7477]  ? spin_bug+0x1c0/0x1c0
[  522.478480][ T7477]  ? net_namespace+0x12/0x40
[  522.483103][ T7477]  ? device_namespace+0x8d/0xc0
[  522.488000][ T7477]  kobject_add_internal+0x2c8/0x960
[  522.493244][ T7477]  kobject_add+0x16f/0x240
[  522.497870][ T7477]  ? kset_create_and_add+0x190/0x190
[  522.503370][ T7477]  ? do_raw_spin_unlock+0x172/0x230
[  522.508709][ T7477]  ? kobject_put+0xbe/0x440
[  522.513280][ T7477]  ? device_add+0xc35/0x1aa0
[  522.517920][ T7477]  device_add+0x289/0x1aa0
[  522.522374][ T7477]  ? device_initialize+0x510/0x510
[  522.527519][ T7477]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  522.533454][ T7477]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  522.540406][ T7477]  ? __init_waitqueue_head+0xca/0x150
[  522.545972][ T7477]  netdev_register_kobject+0x183/0x3f0
[  522.551447][ T7477]  register_netdevice+0xbdf/0x14a0
[  522.556578][ T7477]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  522.562573][ T7477]  ? team_nl_cmd_noop+0x280/0x280
[  522.567869][ T7477]  team_newlink+0x92/0x160
[  522.572385][ T7477]  ? team_nl_cmd_noop+0x280/0x280
[  522.577419][ T7477]  ? rtnl_create_link+0xa6d/0xfd0
[  522.582463][ T7477]  __rtnl_newlink+0x1173/0x1930
[  522.587428][ T7477]  ? rtnl_link_unregister+0x260/0x260
[  522.592834][ T7477]  rtnl_newlink+0x67/0xa0
[  522.597260][ T7477]  ? __rtnl_newlink+0x1930/0x1930
[  522.602304][ T7477]  rtnetlink_rcv_msg+0x3c7/0xe00
[  522.607254][ T7477]  ? rtnl_getlink+0xb40/0xb40
[  522.612029][ T7477]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  522.618069][ T7477]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  522.624096][ T7477]  ? __lock_acquire+0xc97/0x5dc0
[  522.631511][ T7477]  netlink_rcv_skb+0x16b/0x440
[  522.636383][ T7477]  ? rtnl_getlink+0xb40/0xb40
[  522.641073][ T7477]  ? netlink_ack+0x1370/0x1370
[  522.645891][ T7477]  ? lock_sync+0x180/0x180
[  522.650335][ T7477]  ? netlink_deliver_tap+0x1a0/0xd00
[  522.655633][ T7477]  ? _copy_from_iter+0x2c1/0x10f0
[  522.660680][ T7477]  netlink_unicast+0x53b/0x810
[  522.665460][ T7477]  ? netlink_attachskb+0x870/0x870
[  522.670592][ T7477]  ? __phys_addr_symbol+0x30/0x70
[  522.675641][ T7477]  ? __check_object_size+0x322/0x730
[  522.681385][ T7477]  netlink_sendmsg+0x939/0xe40
[  522.686169][ T7477]  ? netlink_unicast+0x810/0x810
[  522.691342][ T7477]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  522.696636][ T7477]  ? netlink_unicast+0x810/0x810
[  522.701591][ T7477]  __sock_sendmsg+0xd5/0x180
[  522.706196][ T7477]  ____sys_sendmsg+0x6ac/0x940
[  522.711144][ T7477]  ? copy_msghdr_from_user+0x10b/0x160
[  522.716612][ T7477]  ? kernel_sendmsg+0x50/0x50
[  522.721397][ T7477]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  522.727486][ T7477]  ___sys_sendmsg+0x135/0x1d0
[  522.732265][ T7477]  ? do_recvmmsg+0x740/0x740
[  522.737017][ T7477]  ? find_held_lock+0x2d/0x110
[  522.741808][ T7477]  ? preempt_count_sub+0x150/0x150
[  522.746939][ T7477]  ? __fget_light+0x1fa/0x260
[  522.751636][ T7477]  __sys_sendmsg+0x117/0x1e0
[  522.756255][ T7477]  ? __sys_sendmsg_sock+0x30/0x30
[  522.761314][ T7477]  ? syscall_enter_from_user_mode+0x26/0x80
[  522.768995][ T7477]  do_syscall_64+0x3f/0x110
[  522.773514][ T7477]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  522.779508][ T7477] RIP: 0033:0x7fa730b27eb9
[  522.784031][ T7477] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  522.803655][ T7477] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  522.812086][ T7477] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  522.820143][ T7477] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  522.828115][ T7477] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  522.836175][ T7477] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  522.844170][ T7477] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  522.852186][ T7477]  </TASK>
[  522.863252][ T7477] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  522.903860][ T7477] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  522.913574][ T7477] CPU: 0 PID: 7477 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  522.925171][ T7477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  522.935359][ T7477] Call Trace:
[  522.938660][ T7477]  <TASK>
[  522.942130][ T7477]  dump_stack_lvl+0x125/0x1b0
[  522.946849][ T7477]  sysfs_warn_dup+0x7f/0xa0
[  522.951388][ T7477]  sysfs_create_dir_ns+0x247/0x2a0
[  522.956588][ T7477]  ? sysfs_create_mount_point+0xb0/0xb0
[  522.962238][ T7477]  ? spin_bug+0x1c0/0x1c0
[  522.966879][ T7477]  ? net_namespace+0x12/0x40
[  522.971589][ T7477]  ? device_namespace+0x8d/0xc0
[  522.977207][ T7477]  kobject_add_internal+0x2c8/0x960
[  522.982552][ T7477]  kobject_add+0x16f/0x240
[  522.987003][ T7477]  ? kset_create_and_add+0x190/0x190
[  522.992321][ T7477]  ? do_raw_spin_unlock+0x172/0x230
[  522.998427][ T7477]  ? kobject_put+0xbe/0x440
[  523.002975][ T7477]  ? device_add+0xc35/0x1aa0
[  523.007913][ T7477]  device_add+0x289/0x1aa0
[  523.012485][ T7477]  ? device_initialize+0x510/0x510
[  523.017801][ T7477]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  523.023917][ T7477]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  523.031069][ T7477]  ? __init_waitqueue_head+0xca/0x150
[  523.036526][ T7477]  netdev_register_kobject+0x183/0x3f0
[  523.042561][ T7477]  register_netdevice+0xbdf/0x14a0
[  523.047858][ T7477]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  523.053896][ T7477]  ? validate_linkmsg+0x6fc/0x9c0
[  523.059239][ T7477]  ? rtnl_create_link+0xa6d/0xfd0
[  523.064314][ T7477]  ? batadv_get_sset_count+0x40/0x40
[  523.069639][ T7477]  batadv_softif_newlink+0x70/0x90
[  523.074792][ T7477]  __rtnl_newlink+0x1173/0x1930
[  523.079736][ T7477]  ? rtnl_link_unregister+0x260/0x260
[  523.085266][ T7477]  rtnl_newlink+0x67/0xa0
[  523.089677][ T7477]  ? __rtnl_newlink+0x1930/0x1930
[  523.094818][ T7477]  rtnetlink_rcv_msg+0x3c7/0xe00
[  523.099793][ T7477]  ? rtnl_getlink+0xb40/0xb40
[  523.104645][ T7477]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  523.110857][ T7477]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  523.116993][ T7477]  ? __lock_acquire+0xc97/0x5dc0
[  523.122098][ T7477]  netlink_rcv_skb+0x16b/0x440
[  523.127256][ T7477]  ? rtnl_getlink+0xb40/0xb40
[  523.131973][ T7477]  ? netlink_ack+0x1370/0x1370
[  523.136941][ T7477]  ? lock_sync+0x180/0x180
[  523.141606][ T7477]  ? netlink_deliver_tap+0x1a0/0xd00
[  523.147003][ T7477]  ? _copy_from_iter+0x2c1/0x10f0
[  523.152082][ T7477]  netlink_unicast+0x53b/0x810
[  523.157064][ T7477]  ? netlink_attachskb+0x870/0x870
[  523.162212][ T7477]  ? __phys_addr_symbol+0x30/0x70
[  523.167391][ T7477]  ? __check_object_size+0x322/0x730
[  523.172794][ T7477]  netlink_sendmsg+0x939/0xe40
[  523.177682][ T7477]  ? netlink_unicast+0x810/0x810
[  523.183356][ T7477]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  523.189289][ T7477]  ? netlink_unicast+0x810/0x810
[  523.195547][ T7477]  __sock_sendmsg+0xd5/0x180
[  523.200153][ T7477]  ____sys_sendmsg+0x6ac/0x940
[  523.205110][ T7477]  ? copy_msghdr_from_user+0x10b/0x160
[  523.210953][ T7477]  ? kernel_sendmsg+0x50/0x50
[  523.215642][ T7477]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  523.223307][ T7477]  ___sys_sendmsg+0x135/0x1d0
[  523.228172][ T7477]  ? do_recvmmsg+0x740/0x740
[  523.233139][ T7477]  ? find_held_lock+0x2d/0x110
[  523.238139][ T7477]  ? preempt_count_sub+0x150/0x150
[  523.243712][ T7477]  ? __fget_light+0x1fa/0x260
[  523.248407][ T7477]  __sys_sendmsg+0x117/0x1e0
[  523.253129][ T7477]  ? __sys_sendmsg_sock+0x30/0x30
[  523.258267][ T7477]  ? syscall_enter_from_user_mode+0x26/0x80
[  523.264529][ T7477]  do_syscall_64+0x3f/0x110
[  523.269135][ T7477]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  523.275563][ T7477] RIP: 0033:0x7fa730b27eb9
[  523.280010][ T7477] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  523.299715][ T7477] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  523.308219][ T7477] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  523.316206][ T7477] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  523.324263][ T7477] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  523.332336][ T7477] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  523.340431][ T7477] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  523.348417][ T7477]  </TASK>
[  523.363974][ T7477] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  523.405033][ T7479] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  523.423034][ T7479] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  523.444355][ T7479] CPU: 0 PID: 7479 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  523.456147][ T7479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  523.466486][ T7479] Call Trace:
[  523.469953][ T7479]  <TASK>
[  523.472897][ T7479]  dump_stack_lvl+0x125/0x1b0
[  523.477668][ T7479]  sysfs_warn_dup+0x7f/0xa0
[  523.482294][ T7479]  sysfs_create_dir_ns+0x247/0x2a0
[  523.487427][ T7479]  ? sysfs_create_mount_point+0xb0/0xb0
[  523.493016][ T7479]  ? spin_bug+0x1c0/0x1c0
[  523.497395][ T7479]  ? net_namespace+0x12/0x40
[  523.502099][ T7479]  ? device_namespace+0x8d/0xc0
[  523.507012][ T7479]  kobject_add_internal+0x2c8/0x960
[  523.512247][ T7479]  kobject_add+0x16f/0x240
[  523.516690][ T7479]  ? kset_create_and_add+0x190/0x190
[  523.522168][ T7479]  ? do_raw_spin_unlock+0x172/0x230
[  523.527554][ T7479]  ? kobject_put+0xbe/0x440
[  523.532100][ T7479]  ? device_add+0xc35/0x1aa0
[  523.536934][ T7479]  device_add+0x289/0x1aa0
[  523.541445][ T7479]  ? device_initialize+0x510/0x510
[  523.546655][ T7479]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  523.552567][ T7479]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  523.559445][ T7479]  ? __init_waitqueue_head+0xca/0x150
[  523.564855][ T7479]  netdev_register_kobject+0x183/0x3f0
[  523.570594][ T7479]  register_netdevice+0xbdf/0x14a0
[  523.575736][ T7479]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  523.581997][ T7479]  ? team_nl_cmd_noop+0x280/0x280
[  523.587218][ T7479]  team_newlink+0x92/0x160
[  523.591919][ T7479]  ? team_nl_cmd_noop+0x280/0x280
[  523.597675][ T7479]  ? rtnl_create_link+0xa6d/0xfd0
[  523.602922][ T7479]  __rtnl_newlink+0x1173/0x1930
[  523.608017][ T7479]  ? rtnl_link_unregister+0x260/0x260
[  523.613833][ T7479]  rtnl_newlink+0x67/0xa0
[  523.618216][ T7479]  ? __rtnl_newlink+0x1930/0x1930
[  523.623539][ T7479]  rtnetlink_rcv_msg+0x3c7/0xe00
[  523.628521][ T7479]  ? rtnl_getlink+0xb40/0xb40
[  523.633350][ T7479]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  523.639494][ T7479]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  523.645522][ T7479]  ? __lock_acquire+0xc97/0x5dc0
[  523.650523][ T7479]  netlink_rcv_skb+0x16b/0x440
[  523.655404][ T7479]  ? rtnl_getlink+0xb40/0xb40
[  523.660278][ T7479]  ? netlink_ack+0x1370/0x1370
[  523.665227][ T7479]  ? lock_sync+0x180/0x180
[  523.669695][ T7479]  ? netlink_deliver_tap+0x1a0/0xd00
[  523.675312][ T7479]  ? _copy_from_iter+0x2c1/0x10f0
[  523.680372][ T7479]  netlink_unicast+0x53b/0x810
[  523.685159][ T7479]  ? netlink_attachskb+0x870/0x870
[  523.690379][ T7479]  ? __phys_addr_symbol+0x30/0x70
[  523.695413][ T7479]  ? __check_object_size+0x322/0x730
[  523.700929][ T7479]  netlink_sendmsg+0x939/0xe40
[  523.705821][ T7479]  ? netlink_unicast+0x810/0x810
[  523.710805][ T7479]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  523.716193][ T7479]  ? netlink_unicast+0x810/0x810
[  523.721150][ T7479]  __sock_sendmsg+0xd5/0x180
[  523.725778][ T7479]  ____sys_sendmsg+0x6ac/0x940
[  523.730656][ T7479]  ? copy_msghdr_from_user+0x10b/0x160
[  523.736312][ T7479]  ? kernel_sendmsg+0x50/0x50
[  523.741005][ T7479]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  523.747009][ T7479]  ___sys_sendmsg+0x135/0x1d0
[  523.751792][ T7479]  ? do_recvmmsg+0x740/0x740
[  523.756489][ T7479]  ? find_held_lock+0x2d/0x110
[  523.761365][ T7479]  ? preempt_count_sub+0x150/0x150
[  523.766671][ T7479]  ? __fget_light+0x1fa/0x260
[  523.771366][ T7479]  __sys_sendmsg+0x117/0x1e0
[  523.775973][ T7479]  ? __sys_sendmsg_sock+0x30/0x30
[  523.781117][ T7479]  ? syscall_enter_from_user_mode+0x26/0x80
[  523.787137][ T7479]  do_syscall_64+0x3f/0x110
[  523.791665][ T7479]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  523.797653][ T7479] RIP: 0033:0x7fa730b27eb9
[  523.802071][ T7479] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  523.821771][ T7479] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  523.830458][ T7479] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  523.838554][ T7479] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  523.846531][ T7479] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  523.854525][ T7479] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  523.862497][ T7479] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  523.870572][ T7479]  </TASK>
[  523.902250][ T7479] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  523.940246][ T7479] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  523.949531][ T7479] CPU: 0 PID: 7479 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  523.961191][ T7479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  523.971441][ T7479] Call Trace:
[  523.974738][ T7479]  <TASK>
[  523.977692][ T7479]  dump_stack_lvl+0x125/0x1b0
[  523.982590][ T7479]  sysfs_warn_dup+0x7f/0xa0
[  523.987648][ T7479]  sysfs_create_dir_ns+0x247/0x2a0
[  523.992788][ T7479]  ? sysfs_create_mount_point+0xb0/0xb0
[  523.998964][ T7479]  ? spin_bug+0x1c0/0x1c0
[  524.003416][ T7479]  ? net_namespace+0x12/0x40
[  524.008041][ T7479]  ? device_namespace+0x8d/0xc0
[  524.013045][ T7479]  kobject_add_internal+0x2c8/0x960
[  524.018560][ T7479]  kobject_add+0x16f/0x240
[  524.023040][ T7479]  ? kset_create_and_add+0x190/0x190
[  524.028377][ T7479]  ? do_raw_spin_unlock+0x172/0x230
[  524.033652][ T7479]  ? kobject_put+0xbe/0x440
[  524.038456][ T7479]  ? device_add+0xc35/0x1aa0
[  524.043093][ T7479]  device_add+0x289/0x1aa0
[  524.047642][ T7479]  ? device_initialize+0x510/0x510
[  524.052869][ T7479]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  524.058723][ T7479]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  524.065786][ T7479]  ? __init_waitqueue_head+0xca/0x150
[  524.071289][ T7479]  netdev_register_kobject+0x183/0x3f0
[  524.076784][ T7479]  register_netdevice+0xbdf/0x14a0
[  524.081951][ T7479]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  524.088071][ T7479]  ? validate_linkmsg+0x6fc/0x9c0
[  524.093323][ T7479]  ? rtnl_create_link+0xa6d/0xfd0
[  524.098393][ T7479]  ? batadv_get_sset_count+0x40/0x40
[  524.103770][ T7479]  batadv_softif_newlink+0x70/0x90
[  524.108933][ T7479]  __rtnl_newlink+0x1173/0x1930
[  524.113864][ T7479]  ? rtnl_link_unregister+0x260/0x260
[  524.119326][ T7479]  rtnl_newlink+0x67/0xa0
[  524.123687][ T7479]  ? __rtnl_newlink+0x1930/0x1930
[  524.128745][ T7479]  rtnetlink_rcv_msg+0x3c7/0xe00
[  524.133987][ T7479]  ? rtnl_getlink+0xb40/0xb40
[  524.138779][ T7479]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  524.144878][ T7479]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  524.150889][ T7479]  ? __lock_acquire+0xc97/0x5dc0
[  524.155888][ T7479]  netlink_rcv_skb+0x16b/0x440
[  524.160773][ T7479]  ? rtnl_getlink+0xb40/0xb40
[  524.165566][ T7479]  ? netlink_ack+0x1370/0x1370
[  524.170442][ T7479]  ? lock_sync+0x180/0x180
[  524.175003][ T7479]  ? netlink_deliver_tap+0x1a0/0xd00
[  524.180313][ T7479]  ? _copy_from_iter+0x2c1/0x10f0
[  524.185373][ T7479]  netlink_unicast+0x53b/0x810
[  524.190263][ T7479]  ? netlink_attachskb+0x870/0x870
[  524.195750][ T7479]  ? __phys_addr_symbol+0x30/0x70
[  524.200975][ T7479]  ? __check_object_size+0x322/0x730
[  524.206292][ T7479]  netlink_sendmsg+0x939/0xe40
[  524.211095][ T7479]  ? netlink_unicast+0x810/0x810
[  524.216066][ T7479]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  524.221378][ T7479]  ? netlink_unicast+0x810/0x810
[  524.226350][ T7479]  __sock_sendmsg+0xd5/0x180
[  524.231400][ T7479]  ____sys_sendmsg+0x6ac/0x940
[  524.236287][ T7479]  ? copy_msghdr_from_user+0x10b/0x160
[  524.241772][ T7479]  ? kernel_sendmsg+0x50/0x50
[  524.246488][ T7479]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  524.252510][ T7479]  ___sys_sendmsg+0x135/0x1d0
[  524.257215][ T7479]  ? do_recvmmsg+0x740/0x740
[  524.261832][ T7479]  ? find_held_lock+0x2d/0x110
[  524.266723][ T7479]  ? preempt_count_sub+0x150/0x150
[  524.271884][ T7479]  ? __fget_light+0x1fa/0x260
[  524.276680][ T7479]  __sys_sendmsg+0x117/0x1e0
[  524.281292][ T7479]  ? __sys_sendmsg_sock+0x30/0x30
[  524.286361][ T7479]  ? syscall_enter_from_user_mode+0x26/0x80
[  524.292290][ T7479]  do_syscall_64+0x3f/0x110
[  524.296826][ T7479]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  524.302748][ T7479] RIP: 0033:0x7fa730b27eb9
[  524.307183][ T7479] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  524.326990][ T7479] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  524.335606][ T7479] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  524.343606][ T7479] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  524.351612][ T7479] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  524.359709][ T7479] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  524.367852][ T7479] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  524.379813][ T7479]  </TASK>
[  524.384280][ T7479] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  524.473442][ T7483] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  524.492202][ T7483] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  524.515905][ T7483] CPU: 0 PID: 7483 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  524.527695][ T7483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  524.537837][ T7483] Call Trace:
[  524.541314][ T7483]  <TASK>
[  524.544355][ T7483]  dump_stack_lvl+0x125/0x1b0
[  524.549173][ T7483]  sysfs_warn_dup+0x7f/0xa0
[  524.553805][ T7483]  sysfs_create_dir_ns+0x247/0x2a0
[  524.559036][ T7483]  ? sysfs_create_mount_point+0xb0/0xb0
[  524.565301][ T7483]  ? spin_bug+0x1c0/0x1c0
[  524.569672][ T7483]  ? net_namespace+0x12/0x40
[  524.574292][ T7483]  ? device_namespace+0x8d/0xc0
[  524.579279][ T7483]  kobject_add_internal+0x2c8/0x960
[  524.584567][ T7483]  kobject_add+0x16f/0x240
[  524.589016][ T7483]  ? kset_create_and_add+0x190/0x190
[  524.594528][ T7483]  ? do_raw_spin_unlock+0x172/0x230
[  524.599848][ T7483]  ? kobject_put+0xbe/0x440
[  524.604515][ T7483]  ? device_add+0xc35/0x1aa0
[  524.609249][ T7483]  device_add+0x289/0x1aa0
[  524.613873][ T7483]  ? device_initialize+0x510/0x510
[  524.619006][ T7483]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  524.625033][ T7483]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  524.631923][ T7483]  ? __init_waitqueue_head+0xca/0x150
[  524.637323][ T7483]  netdev_register_kobject+0x183/0x3f0
[  524.642885][ T7483]  register_netdevice+0xbdf/0x14a0
[  524.648190][ T7483]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  524.654191][ T7483]  ? team_nl_cmd_noop+0x280/0x280
[  524.659411][ T7483]  team_newlink+0x92/0x160
[  524.663927][ T7483]  ? team_nl_cmd_noop+0x280/0x280
[  524.668962][ T7483]  ? rtnl_create_link+0xa6d/0xfd0
[  524.674100][ T7483]  __rtnl_newlink+0x1173/0x1930
[  524.679431][ T7483]  ? rtnl_link_unregister+0x260/0x260
[  524.685459][ T7483]  rtnl_newlink+0x67/0xa0
[  524.689915][ T7483]  ? __rtnl_newlink+0x1930/0x1930
[  524.695065][ T7483]  rtnetlink_rcv_msg+0x3c7/0xe00
[  524.700129][ T7483]  ? rtnl_getlink+0xb40/0xb40
[  524.705019][ T7483]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  524.711115][ T7483]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  524.717123][ T7483]  ? __lock_acquire+0xc97/0x5dc0
[  524.722094][ T7483]  netlink_rcv_skb+0x16b/0x440
[  524.727168][ T7483]  ? rtnl_getlink+0xb40/0xb40
[  524.731874][ T7483]  ? netlink_ack+0x1370/0x1370
[  524.736842][ T7483]  ? lock_sync+0x180/0x180
[  524.741489][ T7483]  ? netlink_deliver_tap+0x1a0/0xd00
[  524.747059][ T7483]  ? _copy_from_iter+0x2c1/0x10f0
[  524.752367][ T7483]  netlink_unicast+0x53b/0x810
[  524.757155][ T7483]  ? netlink_attachskb+0x870/0x870
[  524.762298][ T7483]  ? __phys_addr_symbol+0x30/0x70
[  524.767467][ T7483]  ? __check_object_size+0x322/0x730
[  524.772875][ T7483]  netlink_sendmsg+0x939/0xe40
[  524.777764][ T7483]  ? netlink_unicast+0x810/0x810
[  524.783012][ T7483]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  524.788331][ T7483]  ? netlink_unicast+0x810/0x810
[  524.793460][ T7483]  __sock_sendmsg+0xd5/0x180
[  524.798074][ T7483]  ____sys_sendmsg+0x6ac/0x940
[  524.803019][ T7483]  ? copy_msghdr_from_user+0x10b/0x160
[  524.808576][ T7483]  ? kernel_sendmsg+0x50/0x50
[  524.813267][ T7483]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  524.819287][ T7483]  ___sys_sendmsg+0x135/0x1d0
[  524.823993][ T7483]  ? do_recvmmsg+0x740/0x740
[  524.828592][ T7483]  ? find_held_lock+0x2d/0x110
[  524.833489][ T7483]  ? preempt_count_sub+0x150/0x150
[  524.838631][ T7483]  ? __fget_light+0x1fa/0x260
[  524.843327][ T7483]  __sys_sendmsg+0x117/0x1e0
[  524.847929][ T7483]  ? __sys_sendmsg_sock+0x30/0x30
[  524.852989][ T7483]  ? syscall_enter_from_user_mode+0x26/0x80
[  524.858895][ T7483]  do_syscall_64+0x3f/0x110
[  524.863507][ T7483]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  524.869679][ T7483] RIP: 0033:0x7fa730b27eb9
[  524.874293][ T7483] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  524.894459][ T7483] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  524.903091][ T7483] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  524.911089][ T7483] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  524.919163][ T7483] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  524.927151][ T7483] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  524.935340][ T7483] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  524.943790][ T7483]  </TASK>
[  524.949395][ T7483] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  524.984923][ T7483] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  524.998785][ T7483] CPU: 1 PID: 7483 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  525.010320][ T7483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  525.020431][ T7483] Call Trace:
[  525.023786][ T7483]  <TASK>
[  525.026774][ T7483]  dump_stack_lvl+0x125/0x1b0
[  525.031695][ T7483]  sysfs_warn_dup+0x7f/0xa0
[  525.036772][ T7483]  sysfs_create_dir_ns+0x247/0x2a0
[  525.041921][ T7483]  ? sysfs_create_mount_point+0xb0/0xb0
[  525.047587][ T7483]  ? spin_bug+0x1c0/0x1c0
[  525.052478][ T7483]  ? net_namespace+0x12/0x40
[  525.058841][ T7483]  ? device_namespace+0x8d/0xc0
[  525.063770][ T7483]  kobject_add_internal+0x2c8/0x960
[  525.069031][ T7483]  kobject_add+0x16f/0x240
[  525.073679][ T7483]  ? kset_create_and_add+0x190/0x190
[  525.079035][ T7483]  ? do_raw_spin_unlock+0x172/0x230
[  525.084302][ T7483]  ? kobject_put+0xbe/0x440
[  525.088886][ T7483]  ? device_add+0xc35/0x1aa0
[  525.093564][ T7483]  device_add+0x289/0x1aa0
[  525.098104][ T7483]  ? device_initialize+0x510/0x510
[  525.103248][ T7483]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  525.109445][ T7483]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  525.116333][ T7483]  ? __init_waitqueue_head+0xca/0x150
[  525.121748][ T7483]  netdev_register_kobject+0x183/0x3f0
[  525.127248][ T7483]  register_netdevice+0xbdf/0x14a0
[  525.132396][ T7483]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  525.138310][ T7483]  ? validate_linkmsg+0x6fc/0x9c0
[  525.143380][ T7483]  ? rtnl_create_link+0xa6d/0xfd0
[  525.148443][ T7483]  ? batadv_get_sset_count+0x40/0x40
[  525.153764][ T7483]  batadv_softif_newlink+0x70/0x90
[  525.158914][ T7483]  __rtnl_newlink+0x1173/0x1930
[  525.163907][ T7483]  ? rtnl_link_unregister+0x260/0x260
[  525.169453][ T7483]  rtnl_newlink+0x67/0xa0
[  525.173828][ T7483]  ? __rtnl_newlink+0x1930/0x1930
[  525.178899][ T7483]  rtnetlink_rcv_msg+0x3c7/0xe00
[  525.183975][ T7483]  ? rtnl_getlink+0xb40/0xb40
[  525.188767][ T7483]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  525.194999][ T7483]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  525.201043][ T7483]  ? __lock_acquire+0xc97/0x5dc0
[  525.206054][ T7483]  netlink_rcv_skb+0x16b/0x440
[  525.210869][ T7483]  ? rtnl_getlink+0xb40/0xb40
[  525.215604][ T7483]  ? netlink_ack+0x1370/0x1370
[  525.220501][ T7483]  ? lock_sync+0x180/0x180
[  525.225168][ T7483]  ? netlink_deliver_tap+0x1a0/0xd00
[  525.230515][ T7483]  ? _copy_from_iter+0x2c1/0x10f0
[  525.236065][ T7483]  netlink_unicast+0x53b/0x810
[  525.240872][ T7483]  ? netlink_attachskb+0x870/0x870
[  525.246285][ T7483]  ? __phys_addr_symbol+0x30/0x70
[  525.251422][ T7483]  ? __check_object_size+0x322/0x730
[  525.256736][ T7483]  netlink_sendmsg+0x939/0xe40
[  525.261534][ T7483]  ? netlink_unicast+0x810/0x810
[  525.266588][ T7483]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  525.272096][ T7483]  ? netlink_unicast+0x810/0x810
[  525.277118][ T7483]  __sock_sendmsg+0xd5/0x180
[  525.281754][ T7483]  ____sys_sendmsg+0x6ac/0x940
[  525.286561][ T7483]  ? copy_msghdr_from_user+0x10b/0x160
[  525.292163][ T7483]  ? kernel_sendmsg+0x50/0x50
[  525.296882][ T7483]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  525.303000][ T7483]  ___sys_sendmsg+0x135/0x1d0
[  525.307740][ T7483]  ? do_recvmmsg+0x740/0x740
[  525.312373][ T7483]  ? find_held_lock+0x2d/0x110
[  525.317373][ T7483]  ? preempt_count_sub+0x150/0x150
[  525.322555][ T7483]  ? __fget_light+0x1fa/0x260
[  525.327294][ T7483]  __sys_sendmsg+0x117/0x1e0
[  525.332033][ T7483]  ? __sys_sendmsg_sock+0x30/0x30
[  525.337195][ T7483]  ? syscall_enter_from_user_mode+0x26/0x80
[  525.343231][ T7483]  do_syscall_64+0x3f/0x110
[  525.348310][ T7483]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  525.354411][ T7483] RIP: 0033:0x7fa730b27eb9
[  525.358851][ T7483] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  525.378589][ T7483] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  525.387124][ T7483] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  525.395315][ T7483] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  525.403335][ T7483] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  525.411439][ T7483] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  525.419439][ T7483] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  525.427557][ T7483]  </TASK>
[  525.463794][ T7483] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  525.543706][ T7491] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  525.564684][ T7491] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  525.586914][ T7491] CPU: 1 PID: 7491 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  525.599304][ T7491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  525.609392][ T7491] Call Trace:
[  525.612785][ T7491]  <TASK>
[  525.615731][ T7491]  dump_stack_lvl+0x125/0x1b0
[  525.620548][ T7491]  sysfs_warn_dup+0x7f/0xa0
[  525.625083][ T7491]  sysfs_create_dir_ns+0x247/0x2a0
[  525.630222][ T7491]  ? sysfs_create_mount_point+0xb0/0xb0
[  525.635967][ T7491]  ? spin_bug+0x1c0/0x1c0
[  525.640422][ T7491]  ? net_namespace+0x12/0x40
[  525.645067][ T7491]  ? device_namespace+0x8d/0xc0
[  525.650386][ T7491]  kobject_add_internal+0x2c8/0x960
[  525.655711][ T7491]  kobject_add+0x16f/0x240
[  525.660145][ T7491]  ? kset_create_and_add+0x190/0x190
[  525.665535][ T7491]  ? do_raw_spin_unlock+0x172/0x230
[  525.670759][ T7491]  ? kobject_put+0xbe/0x440
[  525.675283][ T7491]  ? device_add+0xc35/0x1aa0
[  525.680077][ T7491]  device_add+0x289/0x1aa0
[  525.684532][ T7491]  ? device_initialize+0x510/0x510
[  525.689775][ T7491]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  525.695867][ T7491]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  525.702840][ T7491]  ? __init_waitqueue_head+0xca/0x150
[  525.708439][ T7491]  netdev_register_kobject+0x183/0x3f0
[  525.713931][ T7491]  register_netdevice+0xbdf/0x14a0
[  525.719059][ T7491]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  525.724968][ T7491]  ? team_nl_cmd_noop+0x280/0x280
[  525.730004][ T7491]  team_newlink+0x92/0x160
[  525.734955][ T7491]  ? team_nl_cmd_noop+0x280/0x280
[  525.740447][ T7491]  ? rtnl_create_link+0xa6d/0xfd0
[  525.745489][ T7491]  __rtnl_newlink+0x1173/0x1930
[  525.750545][ T7491]  ? rtnl_link_unregister+0x260/0x260
[  525.755955][ T7491]  rtnl_newlink+0x67/0xa0
[  525.760553][ T7491]  ? __rtnl_newlink+0x1930/0x1930
[  525.765592][ T7491]  rtnetlink_rcv_msg+0x3c7/0xe00
[  525.770631][ T7491]  ? rtnl_getlink+0xb40/0xb40
[  525.775497][ T7491]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  525.781593][ T7491]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  525.788193][ T7491]  ? __lock_acquire+0xc97/0x5dc0
[  525.793154][ T7491]  netlink_rcv_skb+0x16b/0x440
[  525.797933][ T7491]  ? rtnl_getlink+0xb40/0xb40
[  525.802636][ T7491]  ? netlink_ack+0x1370/0x1370
[  525.807614][ T7491]  ? lock_sync+0x180/0x180
[  525.812616][ T7491]  ? netlink_deliver_tap+0x1a0/0xd00
[  525.818119][ T7491]  ? _copy_from_iter+0x2c1/0x10f0
[  525.823449][ T7491]  netlink_unicast+0x53b/0x810
[  525.828599][ T7491]  ? netlink_attachskb+0x870/0x870
[  525.833927][ T7491]  ? __phys_addr_symbol+0x30/0x70
[  525.838996][ T7491]  ? __check_object_size+0x322/0x730
[  525.844300][ T7491]  netlink_sendmsg+0x939/0xe40
[  525.849175][ T7491]  ? netlink_unicast+0x810/0x810
[  525.854807][ T7491]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  525.860224][ T7491]  ? netlink_unicast+0x810/0x810
[  525.865388][ T7491]  __sock_sendmsg+0xd5/0x180
[  525.870244][ T7491]  ____sys_sendmsg+0x6ac/0x940
[  525.875133][ T7491]  ? copy_msghdr_from_user+0x10b/0x160
[  525.881054][ T7491]  ? kernel_sendmsg+0x50/0x50
[  525.886031][ T7491]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  525.892046][ T7491]  ___sys_sendmsg+0x135/0x1d0
[  525.897004][ T7491]  ? do_recvmmsg+0x740/0x740
[  525.901620][ T7491]  ? find_held_lock+0x2d/0x110
[  525.906430][ T7491]  ? preempt_count_sub+0x150/0x150
[  525.911760][ T7491]  ? __fget_light+0x1fa/0x260
[  525.916569][ T7491]  __sys_sendmsg+0x117/0x1e0
[  525.921269][ T7491]  ? __sys_sendmsg_sock+0x30/0x30
[  525.926322][ T7491]  ? syscall_enter_from_user_mode+0x26/0x80
[  525.932326][ T7491]  do_syscall_64+0x3f/0x110
[  525.936845][ T7491]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  525.942925][ T7491] RIP: 0033:0x7fa730b27eb9
[  525.947350][ T7491] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  525.966966][ T7491] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  525.975448][ T7491] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  525.983426][ T7491] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  525.991406][ T7491] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  525.999381][ T7491] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  526.007440][ T7491] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  526.016043][ T7491]  </TASK>
[  526.090683][ T7491] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  526.146225][ T7491] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  526.171860][ T7491] CPU: 0 PID: 7491 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  526.183218][ T7491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  526.193311][ T7491] Call Trace:
[  526.196619][ T7491]  <TASK>
[  526.199578][ T7491]  dump_stack_lvl+0x125/0x1b0
[  526.204308][ T7491]  sysfs_warn_dup+0x7f/0xa0
[  526.208855][ T7491]  sysfs_create_dir_ns+0x247/0x2a0
[  526.214002][ T7491]  ? sysfs_create_mount_point+0xb0/0xb0
[  526.219673][ T7491]  ? spin_bug+0x1c0/0x1c0
[  526.224069][ T7491]  ? net_namespace+0x12/0x40
[  526.228690][ T7491]  ? device_namespace+0x8d/0xc0
[  526.233575][ T7491]  kobject_add_internal+0x2c8/0x960
[  526.238992][ T7491]  kobject_add+0x16f/0x240
[  526.243448][ T7491]  ? kset_create_and_add+0x190/0x190
[  526.248769][ T7491]  ? do_raw_spin_unlock+0x172/0x230
[  526.254001][ T7491]  ? kobject_put+0xbe/0x440
[  526.258549][ T7491]  ? device_add+0xc35/0x1aa0
[  526.263327][ T7491]  device_add+0x289/0x1aa0
[  526.267768][ T7491]  ? device_initialize+0x510/0x510
[  526.273332][ T7491]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  526.279154][ T7491]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  526.286479][ T7491]  ? __init_waitqueue_head+0xca/0x150
[  526.291872][ T7491]  netdev_register_kobject+0x183/0x3f0
[  526.297435][ T7491]  register_netdevice+0xbdf/0x14a0
[  526.302560][ T7491]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  526.308457][ T7491]  ? validate_linkmsg+0x6fc/0x9c0
[  526.313501][ T7491]  ? rtnl_create_link+0xa6d/0xfd0
[  526.318541][ T7491]  ? batadv_get_sset_count+0x40/0x40
[  526.323847][ T7491]  batadv_softif_newlink+0x70/0x90
[  526.328989][ T7491]  __rtnl_newlink+0x1173/0x1930
[  526.333951][ T7491]  ? rtnl_link_unregister+0x260/0x260
[  526.339365][ T7491]  rtnl_newlink+0x67/0xa0
[  526.343700][ T7491]  ? __rtnl_newlink+0x1930/0x1930
[  526.348732][ T7491]  rtnetlink_rcv_msg+0x3c7/0xe00
[  526.353680][ T7491]  ? rtnl_getlink+0xb40/0xb40
[  526.358450][ T7491]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  526.364538][ T7491]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  526.370532][ T7491]  ? __lock_acquire+0xc97/0x5dc0
[  526.375490][ T7491]  netlink_rcv_skb+0x16b/0x440
[  526.380267][ T7491]  ? rtnl_getlink+0xb40/0xb40
[  526.385127][ T7491]  ? netlink_ack+0x1370/0x1370
[  526.389988][ T7491]  ? lock_sync+0x180/0x180
[  526.394612][ T7491]  ? netlink_deliver_tap+0x1a0/0xd00
[  526.400173][ T7491]  ? _copy_from_iter+0x2c1/0x10f0
[  526.405222][ T7491]  netlink_unicast+0x53b/0x810
[  526.410357][ T7491]  ? netlink_attachskb+0x870/0x870
[  526.415566][ T7491]  ? __phys_addr_symbol+0x30/0x70
[  526.420688][ T7491]  ? __check_object_size+0x322/0x730
[  526.425983][ T7491]  netlink_sendmsg+0x939/0xe40
[  526.431044][ T7491]  ? netlink_unicast+0x810/0x810
[  526.435993][ T7491]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  526.441384][ T7491]  ? netlink_unicast+0x810/0x810
[  526.446359][ T7491]  __sock_sendmsg+0xd5/0x180
[  526.451343][ T7491]  ____sys_sendmsg+0x6ac/0x940
[  526.456321][ T7491]  ? copy_msghdr_from_user+0x10b/0x160
[  526.461879][ T7491]  ? kernel_sendmsg+0x50/0x50
[  526.466613][ T7491]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  526.472622][ T7491]  ___sys_sendmsg+0x135/0x1d0
[  526.477487][ T7491]  ? do_recvmmsg+0x740/0x740
[  526.482349][ T7491]  ? find_held_lock+0x2d/0x110
[  526.487137][ T7491]  ? preempt_count_sub+0x150/0x150
[  526.492282][ T7491]  ? __fget_light+0x1fa/0x260
[  526.497015][ T7491]  __sys_sendmsg+0x117/0x1e0
[  526.501946][ T7491]  ? __sys_sendmsg_sock+0x30/0x30
[  526.507885][ T7491]  ? syscall_enter_from_user_mode+0x26/0x80
[  526.513831][ T7491]  do_syscall_64+0x3f/0x110
[  526.518376][ T7491]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  526.524297][ T7491] RIP: 0033:0x7fa730b27eb9
[  526.528810][ T7491] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  526.548428][ T7491] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  526.556874][ T7491] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  526.564863][ T7491] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  526.572861][ T7491] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  526.580845][ T7491] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  526.588907][ T7491] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  526.596908][ T7491]  </TASK>
[  526.612910][ T7491] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  526.704858][ T4736] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000'
[  526.714447][ T4736] CPU: 0 PID: 4736 Comm: dhcpcd Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  526.725261][ T4736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  526.735441][ T4736] Call Trace:
[  526.738742][ T4736]  <TASK>
[  526.741704][ T4736]  dump_stack_lvl+0x125/0x1b0
[  526.748292][ T4736]  sysfs_warn_dup+0x7f/0xa0
[  526.752922][ T4736]  sysfs_create_dir_ns+0x247/0x2a0
[  526.758077][ T4736]  ? sysfs_create_mount_point+0xb0/0xb0
[  526.763661][ T4736]  ? spin_bug+0x1c0/0x1c0
[  526.768118][ T4736]  ? net_namespace+0x12/0x40
[  526.772732][ T4736]  ? device_namespace+0x8d/0xc0
[  526.777632][ T4736]  kobject_add_internal+0x2c8/0x960
[  526.782882][ T4736]  kobject_add+0x16f/0x240
[  526.787337][ T4736]  ? kset_create_and_add+0x190/0x190
[  526.792836][ T4736]  ? do_raw_spin_unlock+0x172/0x230
[  526.798072][ T4736]  ? kobject_put+0xbe/0x440
[  526.802705][ T4736]  ? device_add+0xc35/0x1aa0
[  526.807415][ T4736]  device_add+0x289/0x1aa0
[  526.811869][ T4736]  ? device_initialize+0x510/0x510
[  526.816999][ T4736]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  526.822841][ T4736]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  526.829723][ T4736]  ? __init_waitqueue_head+0xca/0x150
[  526.835402][ T4736]  netdev_register_kobject+0x183/0x3f0
[  526.840990][ T4736]  register_netdevice+0xbdf/0x14a0
[  526.846151][ T4736]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  526.852089][ T4736]  ? alloc_netdev_mqs+0xee6/0x1290
[  526.857327][ T4736]  bpq_device_event+0x39e/0xaf0
[  526.862293][ T4736]  ? team_device_event+0x219/0x750
[  526.867440][ T4736]  notifier_call_chain+0xb6/0x3c0
[  526.872497][ T4736]  ? bpq_seq_stop+0xb0/0xb0
[  526.877043][ T4736]  call_netdevice_notifiers_info+0xbe/0x130
[  526.882977][ T4736]  __dev_notify_flags+0x12d/0x2e0
[  526.888033][ T4736]  ? dev_change_name+0x800/0x800
[  526.893006][ T4736]  ? dev_set_allmulti+0x30/0x30
[  526.897891][ T4736]  dev_change_flags+0x122/0x170
[  526.902859][ T4736]  devinet_ioctl+0x13ef/0x1f00
[  526.907920][ T4736]  ? inet_ifa_byprefix+0x2d0/0x2d0
[  526.913243][ T4736]  ? _copy_from_user+0x5d/0xf0
[  526.918043][ T4736]  inet_ioctl+0x3a6/0x3f0
[  526.922571][ T4736]  ? find_held_lock+0x2d/0x110
[  526.927375][ T4736]  ? ipip_gro_complete+0x140/0x140
[  526.932516][ T4736]  ? tomoyo_path_number_perm+0x28e/0x580
[  526.938355][ T4736]  ? tomoyo_path_number_perm+0x463/0x580
[  526.944103][ T4736]  ? __kmem_cache_free+0xc0/0x180
[  526.949279][ T4736]  ? tomoyo_execute_permission+0x4a0/0x4a0
[  526.955205][ T4736]  ? lockdep_hardirqs_on+0x7c/0x100
[  526.960442][ T4736]  sock_do_ioctl+0x113/0x270
[  526.965080][ T4736]  ? put_user_ifreq+0x130/0x130
[  526.970167][ T4736]  ? do_vfs_ioctl+0x379/0x1920
[  526.974991][ T4736]  ? vfs_fileattr_set+0xbf0/0xbf0
[  526.980071][ T4736]  sock_ioctl+0x22e/0x6b0
[  526.984487][ T4736]  ? br_ioctl_call+0xb0/0xb0
[  526.989117][ T4736]  ? __sys_socket+0xad/0x260
[  526.993814][ T4736]  ? bpf_lsm_file_ioctl+0x9/0x10
[  526.998791][ T4736]  ? br_ioctl_call+0xb0/0xb0
[  527.003508][ T4736]  __x64_sys_ioctl+0x18f/0x210
[  527.008597][ T4736]  do_syscall_64+0x3f/0x110
[  527.013349][ T4736]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  527.019298][ T4736] RIP: 0033:0x7f25075f2d49
[  527.023920][ T4736] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8
[  527.044096][ T4736] RSP: 002b:00007fff865bddb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  527.052827][ T4736] RAX: ffffffffffffffda RBX: 00007f25075246c0 RCX: 00007f25075f2d49
[  527.060830][ T4736] RDX: 00007fff865cdfa8 RSI: 0000000000008914 RDI: 0000000000000013
[  527.068829][ T4736] RBP: 00007fff865de168 R08: 00007fff865cdf68 R09: 00007fff865cdf18
[  527.076913][ T4736] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  527.085348][ T4736] R13: 00007fff865cdfa8 R14: 0000000000000028 R15: 0000000000008914
[  527.093544][ T4736]  </TASK>
[  527.100065][ T4736] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  527.120481][ T4736] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000'
[  527.129886][ T4736] CPU: 1 PID: 4736 Comm: dhcpcd Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  527.140779][ T4736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  527.151045][ T4736] Call Trace:
[  527.154545][ T4736]  <TASK>
[  527.157610][ T4736]  dump_stack_lvl+0x125/0x1b0
[  527.162429][ T4736]  sysfs_warn_dup+0x7f/0xa0
[  527.166972][ T4736]  sysfs_create_dir_ns+0x247/0x2a0
[  527.172136][ T4736]  ? sysfs_create_mount_point+0xb0/0xb0
[  527.177804][ T4736]  ? spin_bug+0x1c0/0x1c0
[  527.182206][ T4736]  ? net_namespace+0x12/0x40
[  527.187901][ T4736]  ? device_namespace+0x8d/0xc0
[  527.192973][ T4736]  kobject_add_internal+0x2c8/0x960
[  527.198315][ T4736]  kobject_add+0x16f/0x240
[  527.202796][ T4736]  ? kset_create_and_add+0x190/0x190
[  527.208230][ T4736]  ? do_raw_spin_unlock+0x172/0x230
[  527.213568][ T4736]  ? kobject_put+0xbe/0x440
[  527.218316][ T4736]  ? device_add+0xc35/0x1aa0
[  527.222986][ T4736]  device_add+0x289/0x1aa0
[  527.227453][ T4736]  ? device_initialize+0x510/0x510
[  527.232606][ T4736]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  527.238647][ T4736]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  527.246512][ T4736]  ? __init_waitqueue_head+0xca/0x150
[  527.251937][ T4736]  netdev_register_kobject+0x183/0x3f0
[  527.257458][ T4736]  register_netdevice+0xbdf/0x14a0
[  527.262800][ T4736]  ? lockdep_hardirqs_on+0x7c/0x100
[  527.268215][ T4736]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  527.274300][ T4736]  ? lapbeth_setup+0x170/0x170
[  527.279280][ T4736]  lapbeth_device_event+0x5b8/0xd40
[  527.284540][ T4736]  notifier_call_chain+0xb6/0x3c0
[  527.289864][ T4736]  ? lapbeth_xmit+0x290/0x290
[  527.294576][ T4736]  call_netdevice_notifiers_info+0xbe/0x130
[  527.300505][ T4736]  __dev_notify_flags+0x12d/0x2e0
[  527.305727][ T4736]  ? dev_change_name+0x800/0x800
[  527.310786][ T4736]  ? dev_set_allmulti+0x30/0x30
[  527.315667][ T4736]  dev_change_flags+0x122/0x170
[  527.320544][ T4736]  devinet_ioctl+0x13ef/0x1f00
[  527.325520][ T4736]  ? inet_ifa_byprefix+0x2d0/0x2d0
[  527.330826][ T4736]  ? _copy_from_user+0x5d/0xf0
[  527.335723][ T4736]  inet_ioctl+0x3a6/0x3f0
[  527.340246][ T4736]  ? find_held_lock+0x2d/0x110
[  527.345474][ T4736]  ? ipip_gro_complete+0x140/0x140
[  527.350606][ T4736]  ? tomoyo_path_number_perm+0x28e/0x580
[  527.356267][ T4736]  ? tomoyo_path_number_perm+0x463/0x580
[  527.362097][ T4736]  ? __kmem_cache_free+0xc0/0x180
[  527.367264][ T4736]  ? tomoyo_execute_permission+0x4a0/0x4a0
[  527.373362][ T4736]  ? lockdep_hardirqs_on+0x7c/0x100
[  527.378595][ T4736]  sock_do_ioctl+0x113/0x270
[  527.383735][ T4736]  ? put_user_ifreq+0x130/0x130
[  527.388625][ T4736]  ? do_vfs_ioctl+0x379/0x1920
[  527.393414][ T4736]  ? vfs_fileattr_set+0xbf0/0xbf0
[  527.398480][ T4736]  sock_ioctl+0x22e/0x6b0
[  527.402830][ T4736]  ? br_ioctl_call+0xb0/0xb0
[  527.407444][ T4736]  ? __sys_socket+0xad/0x260
[  527.412057][ T4736]  ? bpf_lsm_file_ioctl+0x9/0x10
[  527.417025][ T4736]  ? br_ioctl_call+0xb0/0xb0
[  527.421823][ T4736]  __x64_sys_ioctl+0x18f/0x210
[  527.426715][ T4736]  do_syscall_64+0x3f/0x110
[  527.431340][ T4736]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  527.437259][ T4736] RIP: 0033:0x7f25075f2d49
[  527.441799][ T4736] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8
[  527.462049][ T4736] RSP: 002b:00007fff865bddb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  527.470617][ T4736] RAX: ffffffffffffffda RBX: 00007f25075246c0 RCX: 00007f25075f2d49
[  527.478625][ T4736] RDX: 00007fff865cdfa8 RSI: 0000000000008914 RDI: 0000000000000013
[  527.486625][ T4736] RBP: 00007fff865de168 R08: 00007fff865cdf68 R09: 00007fff865cdf18
[  527.494970][ T4736] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  527.503044][ T4736] R13: 00007fff865cdfa8 R14: 0000000000000028 R15: 0000000000008914
[  527.511136][ T4736]  </TASK>
[  527.528809][ T4736] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  527.544635][ T4736] 8021q: adding VLAN 0 to HW filter on device team8
[  527.551862][ T7496] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  527.564338][ T7496] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  527.574891][ T7496] CPU: 1 PID: 7496 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  527.586306][ T7496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  527.596385][ T7496] Call Trace:
[  527.599681][ T7496]  <TASK>
[  527.602630][ T7496]  dump_stack_lvl+0x125/0x1b0
[  527.607354][ T7496]  sysfs_warn_dup+0x7f/0xa0
[  527.611879][ T7496]  sysfs_create_dir_ns+0x247/0x2a0
[  527.617186][ T7496]  ? sysfs_create_mount_point+0xb0/0xb0
[  527.622763][ T7496]  ? spin_bug+0x1c0/0x1c0
[  527.627167][ T7496]  ? net_namespace+0x12/0x40
[  527.631894][ T7496]  ? device_namespace+0x8d/0xc0
[  527.636791][ T7496]  kobject_add_internal+0x2c8/0x960
[  527.642193][ T7496]  kobject_add+0x16f/0x240
[  527.646718][ T7496]  ? kset_create_and_add+0x190/0x190
[  527.652033][ T7496]  ? do_raw_spin_unlock+0x172/0x230
[  527.657256][ T7496]  ? kobject_put+0xbe/0x440
[  527.661797][ T7496]  ? device_add+0xc35/0x1aa0
[  527.666420][ T7496]  device_add+0x289/0x1aa0
[  527.670934][ T7496]  ? device_initialize+0x510/0x510
[  527.676512][ T7496]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  527.682429][ T7496]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  527.689390][ T7496]  ? __init_waitqueue_head+0xca/0x150
[  527.694781][ T7496]  netdev_register_kobject+0x183/0x3f0
[  527.700259][ T7496]  register_netdevice+0xbdf/0x14a0
[  527.705492][ T7496]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  527.711413][ T7496]  ? team_nl_cmd_noop+0x280/0x280
[  527.716457][ T7496]  team_newlink+0x92/0x160
[  527.720894][ T7496]  ? team_nl_cmd_noop+0x280/0x280
[  527.725931][ T7496]  ? rtnl_create_link+0xa6d/0xfd0
[  527.731004][ T7496]  __rtnl_newlink+0x1173/0x1930
[  527.735990][ T7496]  ? rtnl_link_unregister+0x260/0x260
[  527.741594][ T7496]  rtnl_newlink+0x67/0xa0
[  527.746045][ T7496]  ? __rtnl_newlink+0x1930/0x1930
[  527.751344][ T7496]  rtnetlink_rcv_msg+0x3c7/0xe00
[  527.756296][ T7496]  ? rtnl_getlink+0xb40/0xb40
[  527.761074][ T7496]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  527.767603][ T7496]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  527.773857][ T7496]  ? __lock_acquire+0xc97/0x5dc0
[  527.778817][ T7496]  netlink_rcv_skb+0x16b/0x440
[  527.783603][ T7496]  ? rtnl_getlink+0xb40/0xb40
[  527.788374][ T7496]  ? netlink_ack+0x1370/0x1370
[  527.793236][ T7496]  ? lock_sync+0x180/0x180
[  527.797853][ T7496]  ? netlink_deliver_tap+0x1a0/0xd00
[  527.803255][ T7496]  ? _copy_from_iter+0x2c1/0x10f0
[  527.808830][ T7496]  netlink_unicast+0x53b/0x810
[  527.813609][ T7496]  ? netlink_attachskb+0x870/0x870
[  527.818740][ T7496]  ? __phys_addr_symbol+0x30/0x70
[  527.823861][ T7496]  ? __check_object_size+0x322/0x730
[  527.829335][ T7496]  netlink_sendmsg+0x939/0xe40
[  527.834146][ T7496]  ? netlink_unicast+0x810/0x810
[  527.839099][ T7496]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  527.844486][ T7496]  ? netlink_unicast+0x810/0x810
[  527.849436][ T7496]  __sock_sendmsg+0xd5/0x180
[  527.854036][ T7496]  ____sys_sendmsg+0x6ac/0x940
[  527.859027][ T7496]  ? copy_msghdr_from_user+0x10b/0x160
[  527.864584][ T7496]  ? kernel_sendmsg+0x50/0x50
[  527.869284][ T7496]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  527.875290][ T7496]  ___sys_sendmsg+0x135/0x1d0
[  527.880069][ T7496]  ? do_recvmmsg+0x740/0x740
[  527.884666][ T7496]  ? find_held_lock+0x2d/0x110
[  527.889487][ T7496]  ? preempt_count_sub+0x150/0x150
[  527.894645][ T7496]  ? __fget_light+0x1fa/0x260
[  527.899701][ T7496]  __sys_sendmsg+0x117/0x1e0
[  527.904305][ T7496]  ? __sys_sendmsg_sock+0x30/0x30
[  527.909357][ T7496]  ? syscall_enter_from_user_mode+0x26/0x80
[  527.915363][ T7496]  do_syscall_64+0x3f/0x110
[  527.919907][ T7496]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  527.925944][ T7496] RIP: 0033:0x7fa730b27eb9
[  527.930450][ T7496] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  527.950332][ T7496] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  527.958926][ T7496] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  527.966986][ T7496] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  527.975045][ T7496] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  527.983023][ T7496] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  527.991173][ T7496] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  527.999255][ T7496]  </TASK>
[  528.009429][ T7496] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  528.035891][ T7496] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  528.048927][ T7496] CPU: 1 PID: 7496 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  528.060277][ T7496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  528.070455][ T7496] Call Trace:
[  528.073759][ T7496]  <TASK>
[  528.076715][ T7496]  dump_stack_lvl+0x125/0x1b0
[  528.081435][ T7496]  sysfs_warn_dup+0x7f/0xa0
[  528.085967][ T7496]  sysfs_create_dir_ns+0x247/0x2a0
[  528.091100][ T7496]  ? sysfs_create_mount_point+0xb0/0xb0
[  528.096759][ T7496]  ? spin_bug+0x1c0/0x1c0
[  528.101359][ T7496]  ? net_namespace+0x12/0x40
[  528.106686][ T7496]  ? device_namespace+0x8d/0xc0
[  528.111588][ T7496]  kobject_add_internal+0x2c8/0x960
[  528.116880][ T7496]  kobject_add+0x16f/0x240
[  528.121426][ T7496]  ? kset_create_and_add+0x190/0x190
[  528.126760][ T7496]  ? do_raw_spin_unlock+0x172/0x230
[  528.132275][ T7496]  ? kobject_put+0xbe/0x440
[  528.136821][ T7496]  ? device_add+0xc35/0x1aa0
[  528.141630][ T7496]  device_add+0x289/0x1aa0
[  528.146255][ T7496]  ? device_initialize+0x510/0x510
[  528.151486][ T7496]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  528.157411][ T7496]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  528.164395][ T7496]  ? __init_waitqueue_head+0xca/0x150
[  528.170114][ T7496]  netdev_register_kobject+0x183/0x3f0
[  528.175621][ T7496]  register_netdevice+0xbdf/0x14a0
[  528.181141][ T7496]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  528.187140][ T7496]  ? validate_linkmsg+0x6fc/0x9c0
[  528.192223][ T7496]  ? rtnl_create_link+0xa6d/0xfd0
[  528.197484][ T7496]  ? batadv_get_sset_count+0x40/0x40
[  528.202914][ T7496]  batadv_softif_newlink+0x70/0x90
[  528.208164][ T7496]  __rtnl_newlink+0x1173/0x1930
[  528.213259][ T7496]  ? rtnl_link_unregister+0x260/0x260
[  528.218699][ T7496]  rtnl_newlink+0x67/0xa0
[  528.223145][ T7496]  ? __rtnl_newlink+0x1930/0x1930
[  528.228381][ T7496]  rtnetlink_rcv_msg+0x3c7/0xe00
[  528.233358][ T7496]  ? rtnl_getlink+0xb40/0xb40
[  528.238058][ T7496]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  528.244252][ T7496]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  528.250284][ T7496]  ? __lock_acquire+0xc97/0x5dc0
[  528.255273][ T7496]  netlink_rcv_skb+0x16b/0x440
[  528.260096][ T7496]  ? rtnl_getlink+0xb40/0xb40
[  528.265140][ T7496]  ? netlink_ack+0x1370/0x1370
[  528.270369][ T7496]  ? lock_sync+0x180/0x180
[  528.274848][ T7496]  ? netlink_deliver_tap+0x1a0/0xd00
[  528.280699][ T7496]  ? _copy_from_iter+0x2c1/0x10f0
[  528.286041][ T7496]  netlink_unicast+0x53b/0x810
[  528.290849][ T7496]  ? netlink_attachskb+0x870/0x870
[  528.296156][ T7496]  ? __phys_addr_symbol+0x30/0x70
[  528.301220][ T7496]  ? __check_object_size+0x322/0x730
[  528.306541][ T7496]  netlink_sendmsg+0x939/0xe40
[  528.311350][ T7496]  ? netlink_unicast+0x810/0x810
[  528.316340][ T7496]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  528.321653][ T7496]  ? netlink_unicast+0x810/0x810
[  528.326623][ T7496]  __sock_sendmsg+0xd5/0x180
[  528.331323][ T7496]  ____sys_sendmsg+0x6ac/0x940
[  528.336113][ T7496]  ? copy_msghdr_from_user+0x10b/0x160
[  528.341594][ T7496]  ? kernel_sendmsg+0x50/0x50
[  528.346345][ T7496]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  528.352455][ T7496]  ___sys_sendmsg+0x135/0x1d0
[  528.357173][ T7496]  ? do_recvmmsg+0x740/0x740
[  528.361969][ T7496]  ? find_held_lock+0x2d/0x110
[  528.366772][ T7496]  ? preempt_count_sub+0x150/0x150
[  528.372098][ T7496]  ? __fget_light+0x1fa/0x260
[  528.376808][ T7496]  __sys_sendmsg+0x117/0x1e0
[  528.381430][ T7496]  ? __sys_sendmsg_sock+0x30/0x30
[  528.386490][ T7496]  ? syscall_enter_from_user_mode+0x26/0x80
[  528.392496][ T7496]  do_syscall_64+0x3f/0x110
[  528.397023][ T7496]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  528.402944][ T7496] RIP: 0033:0x7fa730b27eb9
[  528.407388][ T7496] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  528.428676][ T7496] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  528.437149][ T7496] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  528.445454][ T7496] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  528.453705][ T7496] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  528.461870][ T7496] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  528.469947][ T7496] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  528.478041][ T7496]  </TASK>
[  528.512003][ T7496] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  528.580995][ T7504] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  528.606968][ T7504] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  528.625643][ T7504] CPU: 1 PID: 7504 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  528.637003][ T7504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  528.647100][ T7504] Call Trace:
[  528.650405][ T7504]  <TASK>
[  528.653353][ T7504]  dump_stack_lvl+0x125/0x1b0
[  528.658181][ T7504]  sysfs_warn_dup+0x7f/0xa0
[  528.662795][ T7504]  sysfs_create_dir_ns+0x247/0x2a0
[  528.667926][ T7504]  ? sysfs_create_mount_point+0xb0/0xb0
[  528.673508][ T7504]  ? spin_bug+0x1c0/0x1c0
[  528.677962][ T7504]  ? net_namespace+0x12/0x40
[  528.682664][ T7504]  ? device_namespace+0x8d/0xc0
[  528.687560][ T7504]  kobject_add_internal+0x2c8/0x960
[  528.693077][ T7504]  kobject_add+0x16f/0x240
[  528.697536][ T7504]  ? kset_create_and_add+0x190/0x190
[  528.702947][ T7504]  ? do_raw_spin_unlock+0x172/0x230
[  528.708266][ T7504]  ? kobject_put+0xbe/0x440
[  528.712802][ T7504]  ? device_add+0xc35/0x1aa0
[  528.717689][ T7504]  device_add+0x289/0x1aa0
[  528.722138][ T7504]  ? device_initialize+0x510/0x510
[  528.727383][ T7504]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  528.733295][ T7504]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  528.740188][ T7504]  ? __init_waitqueue_head+0xca/0x150
[  528.745604][ T7504]  netdev_register_kobject+0x183/0x3f0
[  528.751103][ T7504]  register_netdevice+0xbdf/0x14a0
[  528.756258][ T7504]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  528.762276][ T7504]  ? team_nl_cmd_noop+0x280/0x280
[  528.767344][ T7504]  team_newlink+0x92/0x160
[  528.771796][ T7504]  ? team_nl_cmd_noop+0x280/0x280
[  528.776850][ T7504]  ? rtnl_create_link+0xa6d/0xfd0
[  528.782021][ T7504]  __rtnl_newlink+0x1173/0x1930
[  528.787011][ T7504]  ? rtnl_link_unregister+0x260/0x260
[  528.792723][ T7504]  rtnl_newlink+0x67/0xa0
[  528.797087][ T7504]  ? __rtnl_newlink+0x1930/0x1930
[  528.802146][ T7504]  rtnetlink_rcv_msg+0x3c7/0xe00
[  528.807119][ T7504]  ? rtnl_getlink+0xb40/0xb40
[  528.811830][ T7504]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  528.817930][ T7504]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  528.823937][ T7504]  ? __lock_acquire+0xc97/0x5dc0
[  528.829001][ T7504]  netlink_rcv_skb+0x16b/0x440
[  528.833881][ T7504]  ? rtnl_getlink+0xb40/0xb40
[  528.838583][ T7504]  ? netlink_ack+0x1370/0x1370
[  528.843544][ T7504]  ? lock_sync+0x180/0x180
[  528.848098][ T7504]  ? netlink_deliver_tap+0x1a0/0xd00
[  528.853406][ T7504]  ? _copy_from_iter+0x2c1/0x10f0
[  528.858476][ T7504]  netlink_unicast+0x53b/0x810
[  528.863360][ T7504]  ? netlink_attachskb+0x870/0x870
[  528.868507][ T7504]  ? __phys_addr_symbol+0x30/0x70
[  528.873642][ T7504]  ? __check_object_size+0x322/0x730
[  528.879042][ T7504]  netlink_sendmsg+0x939/0xe40
[  528.883849][ T7504]  ? netlink_unicast+0x810/0x810
[  528.888821][ T7504]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  528.894128][ T7504]  ? netlink_unicast+0x810/0x810
[  528.899183][ T7504]  __sock_sendmsg+0xd5/0x180
[  528.903977][ T7504]  ____sys_sendmsg+0x6ac/0x940
[  528.908785][ T7504]  ? copy_msghdr_from_user+0x10b/0x160
[  528.914456][ T7504]  ? kernel_sendmsg+0x50/0x50
[  528.919420][ T7504]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  528.925450][ T7504]  ___sys_sendmsg+0x135/0x1d0
[  528.930431][ T7504]  ? do_recvmmsg+0x740/0x740
[  528.935063][ T7504]  ? find_held_lock+0x2d/0x110
[  528.940185][ T7504]  ? preempt_count_sub+0x150/0x150
[  528.945911][ T7504]  ? __fget_light+0x1fa/0x260
[  528.950916][ T7504]  __sys_sendmsg+0x117/0x1e0
[  528.955908][ T7504]  ? __sys_sendmsg_sock+0x30/0x30
[  528.961085][ T7504]  ? syscall_enter_from_user_mode+0x26/0x80
[  528.967036][ T7504]  do_syscall_64+0x3f/0x110
[  528.971838][ T7504]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  528.978102][ T7504] RIP: 0033:0x7fa730b27eb9
[  528.982568][ T7504] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  529.002358][ T7504] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  529.011009][ T7504] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  529.019206][ T7504] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  529.027772][ T7504] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  529.035778][ T7504] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  529.043870][ T7504] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  529.052332][ T7504]  </TASK>
[  529.064330][ T7504] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  529.093107][ T7504] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  529.108357][ T7504] CPU: 1 PID: 7504 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  529.119800][ T7504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  529.130055][ T7504] Call Trace:
[  529.133617][ T7504]  <TASK>
[  529.136583][ T7504]  dump_stack_lvl+0x125/0x1b0
[  529.141320][ T7504]  sysfs_warn_dup+0x7f/0xa0
[  529.145975][ T7504]  sysfs_create_dir_ns+0x247/0x2a0
[  529.151221][ T7504]  ? sysfs_create_mount_point+0xb0/0xb0
[  529.156821][ T7504]  ? spin_bug+0x1c0/0x1c0
[  529.161399][ T7504]  ? net_namespace+0x12/0x40
[  529.166021][ T7504]  ? device_namespace+0x8d/0xc0
[  529.170922][ T7504]  kobject_add_internal+0x2c8/0x960
[  529.176344][ T7504]  kobject_add+0x16f/0x240
[  529.180967][ T7504]  ? kset_create_and_add+0x190/0x190
[  529.186383][ T7504]  ? do_raw_spin_unlock+0x172/0x230
[  529.191882][ T7504]  ? kobject_put+0xbe/0x440
[  529.196434][ T7504]  ? device_add+0xc35/0x1aa0
[  529.201331][ T7504]  device_add+0x289/0x1aa0
[  529.205881][ T7504]  ? device_initialize+0x510/0x510
[  529.211030][ T7504]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  529.216884][ T7504]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  529.223784][ T7504]  ? __init_waitqueue_head+0xca/0x150
[  529.229208][ T7504]  netdev_register_kobject+0x183/0x3f0
[  529.234758][ T7504]  register_netdevice+0xbdf/0x14a0
[  529.239992][ T7504]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  529.245913][ T7504]  ? validate_linkmsg+0x6fc/0x9c0
[  529.250971][ T7504]  ? rtnl_create_link+0xa6d/0xfd0
[  529.256121][ T7504]  ? batadv_get_sset_count+0x40/0x40
[  529.261525][ T7504]  batadv_softif_newlink+0x70/0x90
[  529.266675][ T7504]  __rtnl_newlink+0x1173/0x1930
[  529.271750][ T7504]  ? rtnl_link_unregister+0x260/0x260
[  529.277326][ T7504]  rtnl_newlink+0x67/0xa0
[  529.281766][ T7504]  ? __rtnl_newlink+0x1930/0x1930
[  529.286818][ T7504]  rtnetlink_rcv_msg+0x3c7/0xe00
[  529.291784][ T7504]  ? rtnl_getlink+0xb40/0xb40
[  529.296755][ T7504]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  529.302873][ T7504]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  529.309081][ T7504]  ? __lock_acquire+0xc97/0x5dc0
[  529.314079][ T7504]  netlink_rcv_skb+0x16b/0x440
[  529.318901][ T7504]  ? rtnl_getlink+0xb40/0xb40
[  529.323604][ T7504]  ? netlink_ack+0x1370/0x1370
[  529.328394][ T7504]  ? lock_sync+0x180/0x180
[  529.332856][ T7504]  ? netlink_deliver_tap+0x1a0/0xd00
[  529.338162][ T7504]  ? _copy_from_iter+0x2c1/0x10f0
[  529.343222][ T7504]  netlink_unicast+0x53b/0x810
[  529.348024][ T7504]  ? netlink_attachskb+0x870/0x870
[  529.353158][ T7504]  ? __phys_addr_symbol+0x30/0x70
[  529.358207][ T7504]  ? __check_object_size+0x322/0x730
[  529.363525][ T7504]  netlink_sendmsg+0x939/0xe40
[  529.368327][ T7504]  ? netlink_unicast+0x810/0x810
[  529.373297][ T7504]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  529.378604][ T7504]  ? netlink_unicast+0x810/0x810
[  529.383574][ T7504]  __sock_sendmsg+0xd5/0x180
[  529.388194][ T7504]  ____sys_sendmsg+0x6ac/0x940
[  529.392982][ T7504]  ? copy_msghdr_from_user+0x10b/0x160
[  529.398468][ T7504]  ? kernel_sendmsg+0x50/0x50
[  529.403258][ T7504]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  529.409313][ T7504]  ___sys_sendmsg+0x135/0x1d0
[  529.414195][ T7504]  ? do_recvmmsg+0x740/0x740
[  529.418905][ T7504]  ? find_held_lock+0x2d/0x110
[  529.423975][ T7504]  ? preempt_count_sub+0x150/0x150
[  529.429217][ T7504]  ? __fget_light+0x1fa/0x260
[  529.434017][ T7504]  __sys_sendmsg+0x117/0x1e0
[  529.438726][ T7504]  ? __sys_sendmsg_sock+0x30/0x30
[  529.443911][ T7504]  ? syscall_enter_from_user_mode+0x26/0x80
[  529.449927][ T7504]  do_syscall_64+0x3f/0x110
[  529.454468][ T7504]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  529.460391][ T7504] RIP: 0033:0x7fa730b27eb9
[  529.464834][ T7504] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  529.484483][ T7504] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  529.493028][ T7504] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  529.501109][ T7504] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  529.509097][ T7504] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  529.517087][ T7504] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  529.525424][ T7504] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  529.533712][ T7504]  </TASK>
[  529.572865][ T7504] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  529.664201][ T7512] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  529.691987][ T7512] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  529.701418][ T7512] CPU: 1 PID: 7512 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  529.712907][ T7512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  529.723160][ T7512] Call Trace:
[  529.726545][ T7512]  <TASK>
[  529.729491][ T7512]  dump_stack_lvl+0x125/0x1b0
[  529.734304][ T7512]  sysfs_warn_dup+0x7f/0xa0
[  529.738856][ T7512]  sysfs_create_dir_ns+0x247/0x2a0
[  529.744318][ T7512]  ? sysfs_create_mount_point+0xb0/0xb0
[  529.749990][ T7512]  ? spin_bug+0x1c0/0x1c0
[  529.754362][ T7512]  ? net_namespace+0x12/0x40
[  529.759068][ T7512]  ? device_namespace+0x8d/0xc0
[  529.764053][ T7512]  kobject_add_internal+0x2c8/0x960
[  529.769754][ T7512]  kobject_add+0x16f/0x240
[  529.774400][ T7512]  ? kset_create_and_add+0x190/0x190
[  529.779908][ T7512]  ? do_raw_spin_unlock+0x172/0x230
[  529.785165][ T7512]  ? kobject_put+0xbe/0x440
[  529.789810][ T7512]  ? device_add+0xc35/0x1aa0
[  529.794523][ T7512]  device_add+0x289/0x1aa0
[  529.798975][ T7512]  ? device_initialize+0x510/0x510
[  529.804119][ T7512]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  529.810141][ T7512]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  529.817378][ T7512]  ? __init_waitqueue_head+0xca/0x150
[  529.822967][ T7512]  netdev_register_kobject+0x183/0x3f0
[  529.828729][ T7512]  register_netdevice+0xbdf/0x14a0
[  529.834156][ T7512]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  529.840643][ T7512]  ? team_nl_cmd_noop+0x280/0x280
[  529.845709][ T7512]  team_newlink+0x92/0x160
[  529.850260][ T7512]  ? team_nl_cmd_noop+0x280/0x280
[  529.855508][ T7512]  ? rtnl_create_link+0xa6d/0xfd0
[  529.860733][ T7512]  __rtnl_newlink+0x1173/0x1930
[  529.865635][ T7512]  ? rtnl_link_unregister+0x260/0x260
[  529.871175][ T7512]  rtnl_newlink+0x67/0xa0
[  529.875586][ T7512]  ? __rtnl_newlink+0x1930/0x1930
[  529.881004][ T7512]  rtnetlink_rcv_msg+0x3c7/0xe00
[  529.886718][ T7512]  ? rtnl_getlink+0xb40/0xb40
[  529.892179][ T7512]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  529.898473][ T7512]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  529.904523][ T7512]  ? __lock_acquire+0xc97/0x5dc0
[  529.909610][ T7512]  netlink_rcv_skb+0x16b/0x440
[  529.914520][ T7512]  ? rtnl_getlink+0xb40/0xb40
[  529.919353][ T7512]  ? netlink_ack+0x1370/0x1370
[  529.924438][ T7512]  ? lock_sync+0x180/0x180
[  529.928912][ T7512]  ? netlink_deliver_tap+0x1a0/0xd00
[  529.934489][ T7512]  ? _copy_from_iter+0x2c1/0x10f0
[  529.939881][ T7512]  netlink_unicast+0x53b/0x810
[  529.944867][ T7512]  ? netlink_attachskb+0x870/0x870
[  529.950272][ T7512]  ? __phys_addr_symbol+0x30/0x70
[  529.955851][ T7512]  ? __check_object_size+0x322/0x730
[  529.961556][ T7512]  netlink_sendmsg+0x939/0xe40
[  529.966463][ T7512]  ? netlink_unicast+0x810/0x810
[  529.971531][ T7512]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  529.977025][ T7512]  ? netlink_unicast+0x810/0x810
[  529.982092][ T7512]  __sock_sendmsg+0xd5/0x180
[  529.986883][ T7512]  ____sys_sendmsg+0x6ac/0x940
[  529.991684][ T7512]  ? copy_msghdr_from_user+0x10b/0x160
[  529.997259][ T7512]  ? kernel_sendmsg+0x50/0x50
[  530.001962][ T7512]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  530.007998][ T7512]  ___sys_sendmsg+0x135/0x1d0
[  530.012715][ T7512]  ? do_recvmmsg+0x740/0x740
[  530.017332][ T7512]  ? find_held_lock+0x2d/0x110
[  530.022236][ T7512]  ? preempt_count_sub+0x150/0x150
[  530.027408][ T7512]  ? __fget_light+0x1fa/0x260
[  530.032407][ T7512]  __sys_sendmsg+0x117/0x1e0
[  530.037223][ T7512]  ? __sys_sendmsg_sock+0x30/0x30
[  530.042309][ T7512]  ? syscall_enter_from_user_mode+0x26/0x80
[  530.048250][ T7512]  do_syscall_64+0x3f/0x110
[  530.053056][ T7512]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  530.058994][ T7512] RIP: 0033:0x7fa730b27eb9
[  530.063445][ T7512] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  530.083087][ T7512] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  530.091980][ T7512] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  530.100085][ T7512] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  530.108176][ T7512] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  530.116284][ T7512] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  530.124376][ T7512] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  530.132493][ T7512]  </TASK>
[  530.161585][ T7512] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  530.206107][ T7512] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  530.215596][ T7512] CPU: 1 PID: 7512 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  530.227265][ T7512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  530.237359][ T7512] Call Trace:
[  530.240756][ T7512]  <TASK>
[  530.244928][ T7512]  dump_stack_lvl+0x125/0x1b0
[  530.249661][ T7512]  sysfs_warn_dup+0x7f/0xa0
[  530.254205][ T7512]  sysfs_create_dir_ns+0x247/0x2a0
[  530.259615][ T7512]  ? sysfs_create_mount_point+0xb0/0xb0
[  530.265200][ T7512]  ? spin_bug+0x1c0/0x1c0
[  530.269656][ T7512]  ? net_namespace+0x12/0x40
[  530.274701][ T7512]  ? device_namespace+0x8d/0xc0
[  530.279667][ T7512]  kobject_add_internal+0x2c8/0x960
[  530.284894][ T7512]  kobject_add+0x16f/0x240
[  530.289415][ T7512]  ? kset_create_and_add+0x190/0x190
[  530.294805][ T7512]  ? do_raw_spin_unlock+0x172/0x230
[  530.300103][ T7512]  ? kobject_put+0xbe/0x440
[  530.304619][ T7512]  ? device_add+0xc35/0x1aa0
[  530.309241][ T7512]  device_add+0x289/0x1aa0
[  530.313866][ T7512]  ? device_initialize+0x510/0x510
[  530.319009][ T7512]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  530.324921][ T7512]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  530.331787][ T7512]  ? __init_waitqueue_head+0xca/0x150
[  530.337183][ T7512]  netdev_register_kobject+0x183/0x3f0
[  530.342749][ T7512]  register_netdevice+0xbdf/0x14a0
[  530.347881][ T7512]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  530.353781][ T7512]  ? validate_linkmsg+0x6fc/0x9c0
[  530.358823][ T7512]  ? rtnl_create_link+0xa6d/0xfd0
[  530.363866][ T7512]  ? batadv_get_sset_count+0x40/0x40
[  530.369276][ T7512]  batadv_softif_newlink+0x70/0x90
[  530.374423][ T7512]  __rtnl_newlink+0x1173/0x1930
[  530.379332][ T7512]  ? rtnl_link_unregister+0x260/0x260
[  530.384932][ T7512]  rtnl_newlink+0x67/0xa0
[  530.389282][ T7512]  ? __rtnl_newlink+0x1930/0x1930
[  530.394323][ T7512]  rtnetlink_rcv_msg+0x3c7/0xe00
[  530.399312][ T7512]  ? rtnl_getlink+0xb40/0xb40
[  530.404140][ T7512]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  530.410154][ T7512]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  530.416174][ T7512]  ? __lock_acquire+0xc97/0x5dc0
[  530.421143][ T7512]  netlink_rcv_skb+0x16b/0x440
[  530.425927][ T7512]  ? rtnl_getlink+0xb40/0xb40
[  530.430618][ T7512]  ? netlink_ack+0x1370/0x1370
[  530.435395][ T7512]  ? lock_sync+0x180/0x180
[  530.439843][ T7512]  ? netlink_deliver_tap+0x1a0/0xd00
[  530.445134][ T7512]  ? _copy_from_iter+0x2c1/0x10f0
[  530.450192][ T7512]  netlink_unicast+0x53b/0x810
[  530.455064][ T7512]  ? netlink_attachskb+0x870/0x870
[  530.460189][ T7512]  ? __phys_addr_symbol+0x30/0x70
[  530.465230][ T7512]  ? __check_object_size+0x322/0x730
[  530.470619][ T7512]  netlink_sendmsg+0x939/0xe40
[  530.475405][ T7512]  ? netlink_unicast+0x810/0x810
[  530.480447][ T7512]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  530.485741][ T7512]  ? netlink_unicast+0x810/0x810
[  530.490776][ T7512]  __sock_sendmsg+0xd5/0x180
[  530.495384][ T7512]  ____sys_sendmsg+0x6ac/0x940
[  530.500156][ T7512]  ? copy_msghdr_from_user+0x10b/0x160
[  530.505627][ T7512]  ? kernel_sendmsg+0x50/0x50
[  530.510313][ T7512]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  530.516519][ T7512]  ___sys_sendmsg+0x135/0x1d0
[  530.521313][ T7512]  ? do_recvmmsg+0x740/0x740
[  530.526357][ T7512]  ? find_held_lock+0x2d/0x110
[  530.531673][ T7512]  ? preempt_count_sub+0x150/0x150
[  530.536860][ T7512]  ? __fget_light+0x1fa/0x260
[  530.541576][ T7512]  __sys_sendmsg+0x117/0x1e0
[  530.546199][ T7512]  ? __sys_sendmsg_sock+0x30/0x30
[  530.551257][ T7512]  ? syscall_enter_from_user_mode+0x26/0x80
[  530.557252][ T7512]  do_syscall_64+0x3f/0x110
[  530.561772][ T7512]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  530.567760][ T7512] RIP: 0033:0x7fa730b27eb9
[  530.572189][ T7512] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  530.592704][ T7512] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  530.601567][ T7512] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  530.609986][ T7512] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  530.618067][ T7512] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  530.626337][ T7512] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  530.634957][ T7512] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  530.643067][ T7512]  </TASK>
[  530.648604][ T7512] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  530.813918][ T7520] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  530.833458][ T7520] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  530.851586][ T7520] CPU: 1 PID: 7520 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  530.863115][ T7520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  530.873302][ T7520] Call Trace:
[  530.876696][ T7520]  <TASK>
[  530.879666][ T7520]  dump_stack_lvl+0x125/0x1b0
[  530.884390][ T7520]  sysfs_warn_dup+0x7f/0xa0
[  530.889107][ T7520]  sysfs_create_dir_ns+0x247/0x2a0
[  530.894427][ T7520]  ? sysfs_create_mount_point+0xb0/0xb0
[  530.900018][ T7520]  ? spin_bug+0x1c0/0x1c0
[  530.904396][ T7520]  ? net_namespace+0x12/0x40
[  530.909299][ T7520]  ? device_namespace+0x8d/0xc0
[  530.914265][ T7520]  kobject_add_internal+0x2c8/0x960
[  530.919529][ T7520]  kobject_add+0x16f/0x240
[  530.924267][ T7520]  ? kset_create_and_add+0x190/0x190
[  530.929842][ T7520]  ? do_raw_spin_unlock+0x172/0x230
[  530.935060][ T7520]  ? kobject_put+0xbe/0x440
[  530.939586][ T7520]  ? device_add+0xc35/0x1aa0
[  530.944386][ T7520]  device_add+0x289/0x1aa0
[  530.948812][ T7520]  ? device_initialize+0x510/0x510
[  530.954031][ T7520]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  530.959894][ T7520]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  530.966964][ T7520]  ? __init_waitqueue_head+0xca/0x150
[  530.972570][ T7520]  netdev_register_kobject+0x183/0x3f0
[  530.978151][ T7520]  register_netdevice+0xbdf/0x14a0
[  530.983368][ T7520]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  530.989543][ T7520]  ? team_nl_cmd_noop+0x280/0x280
[  530.994597][ T7520]  team_newlink+0x92/0x160
[  530.999114][ T7520]  ? team_nl_cmd_noop+0x280/0x280
[  531.004152][ T7520]  ? rtnl_create_link+0xa6d/0xfd0
[  531.009324][ T7520]  __rtnl_newlink+0x1173/0x1930
[  531.014217][ T7520]  ? rtnl_link_unregister+0x260/0x260
[  531.020072][ T7520]  rtnl_newlink+0x67/0xa0
[  531.024413][ T7520]  ? __rtnl_newlink+0x1930/0x1930
[  531.029445][ T7520]  rtnetlink_rcv_msg+0x3c7/0xe00
[  531.034419][ T7520]  ? rtnl_getlink+0xb40/0xb40
[  531.039104][ T7520]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  531.045136][ T7520]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  531.051135][ T7520]  ? __lock_acquire+0xc97/0x5dc0
[  531.056115][ T7520]  netlink_rcv_skb+0x16b/0x440
[  531.060908][ T7520]  ? rtnl_getlink+0xb40/0xb40
[  531.065614][ T7520]  ? netlink_ack+0x1370/0x1370
[  531.070482][ T7520]  ? lock_sync+0x180/0x180
[  531.074930][ T7520]  ? netlink_deliver_tap+0x1a0/0xd00
[  531.080660][ T7520]  ? _copy_from_iter+0x2c1/0x10f0
[  531.085711][ T7520]  netlink_unicast+0x53b/0x810
[  531.090579][ T7520]  ? netlink_attachskb+0x870/0x870
[  531.095846][ T7520]  ? __phys_addr_symbol+0x30/0x70
[  531.100891][ T7520]  ? __check_object_size+0x322/0x730
[  531.106188][ T7520]  netlink_sendmsg+0x939/0xe40
[  531.110968][ T7520]  ? netlink_unicast+0x810/0x810
[  531.115922][ T7520]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  531.121390][ T7520]  ? netlink_unicast+0x810/0x810
[  531.126539][ T7520]  __sock_sendmsg+0xd5/0x180
[  531.131315][ T7520]  ____sys_sendmsg+0x6ac/0x940
[  531.136642][ T7520]  ? copy_msghdr_from_user+0x10b/0x160
[  531.142198][ T7520]  ? kernel_sendmsg+0x50/0x50
[  531.146887][ T7520]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  531.152896][ T7520]  ___sys_sendmsg+0x135/0x1d0
[  531.157586][ T7520]  ? do_recvmmsg+0x740/0x740
[  531.162186][ T7520]  ? find_held_lock+0x2d/0x110
[  531.167084][ T7520]  ? preempt_count_sub+0x150/0x150
[  531.172307][ T7520]  ? __fget_light+0x1fa/0x260
[  531.177173][ T7520]  __sys_sendmsg+0x117/0x1e0
[  531.182237][ T7520]  ? __sys_sendmsg_sock+0x30/0x30
[  531.187311][ T7520]  ? syscall_enter_from_user_mode+0x26/0x80
[  531.193765][ T7520]  do_syscall_64+0x3f/0x110
[  531.198383][ T7520]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  531.204284][ T7520] RIP: 0033:0x7fa730b27eb9
[  531.208704][ T7520] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  531.229802][ T7520] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  531.238222][ T7520] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  531.246456][ T7520] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  531.254517][ T7520] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  531.262664][ T7520] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  531.270766][ T7520] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  531.279117][ T7520]  </TASK>
[  531.420244][ T7520] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  531.480891][ T7520] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  531.493660][ T7520] CPU: 0 PID: 7520 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  531.505335][ T7520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  531.515594][ T7520] Call Trace:
[  531.518998][ T7520]  <TASK>
[  531.521939][ T7520]  dump_stack_lvl+0x125/0x1b0
[  531.526643][ T7520]  sysfs_warn_dup+0x7f/0xa0
[  531.531154][ T7520]  sysfs_create_dir_ns+0x247/0x2a0
[  531.536284][ T7520]  ? sysfs_create_mount_point+0xb0/0xb0
[  531.541982][ T7520]  ? spin_bug+0x1c0/0x1c0
[  531.546325][ T7520]  ? net_namespace+0x12/0x40
[  531.551004][ T7520]  ? device_namespace+0x8d/0xc0
[  531.555872][ T7520]  kobject_add_internal+0x2c8/0x960
[  531.561096][ T7520]  kobject_add+0x16f/0x240
[  531.565528][ T7520]  ? kset_create_and_add+0x190/0x190
[  531.570877][ T7520]  ? do_raw_spin_unlock+0x172/0x230
[  531.576197][ T7520]  ? kobject_put+0xbe/0x440
[  531.580735][ T7520]  ? device_add+0xc35/0x1aa0
[  531.585526][ T7520]  device_add+0x289/0x1aa0
[  531.589957][ T7520]  ? device_initialize+0x510/0x510
[  531.595209][ T7520]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  531.601040][ T7520]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  531.608023][ T7520]  ? __init_waitqueue_head+0xca/0x150
[  531.613800][ T7520]  netdev_register_kobject+0x183/0x3f0
[  531.619458][ T7520]  register_netdevice+0xbdf/0x14a0
[  531.624936][ T7520]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  531.630954][ T7520]  ? validate_linkmsg+0x6fc/0x9c0
[  531.636346][ T7520]  ? rtnl_create_link+0xa6d/0xfd0
[  531.641996][ T7520]  ? batadv_get_sset_count+0x40/0x40
[  531.647307][ T7520]  batadv_softif_newlink+0x70/0x90
[  531.652694][ T7520]  __rtnl_newlink+0x1173/0x1930
[  531.658015][ T7520]  ? rtnl_link_unregister+0x260/0x260
[  531.663790][ T7520]  rtnl_newlink+0x67/0xa0
[  531.668236][ T7520]  ? __rtnl_newlink+0x1930/0x1930
[  531.674136][ T7520]  rtnetlink_rcv_msg+0x3c7/0xe00
[  531.679116][ T7520]  ? rtnl_getlink+0xb40/0xb40
[  531.683906][ T7520]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  531.689941][ T7520]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  531.696141][ T7520]  ? __lock_acquire+0xc97/0x5dc0
[  531.701301][ T7520]  netlink_rcv_skb+0x16b/0x440
[  531.706098][ T7520]  ? rtnl_getlink+0xb40/0xb40
[  531.710901][ T7520]  ? netlink_ack+0x1370/0x1370
[  531.715848][ T7520]  ? lock_sync+0x180/0x180
[  531.720599][ T7520]  ? netlink_deliver_tap+0x1a0/0xd00
[  531.725939][ T7520]  ? _copy_from_iter+0x2c1/0x10f0
[  531.731013][ T7520]  netlink_unicast+0x53b/0x810
[  531.735826][ T7520]  ? netlink_attachskb+0x870/0x870
[  531.740968][ T7520]  ? __phys_addr_symbol+0x30/0x70
[  531.746100][ T7520]  ? __check_object_size+0x322/0x730
[  531.751395][ T7520]  netlink_sendmsg+0x939/0xe40
[  531.756561][ T7520]  ? netlink_unicast+0x810/0x810
[  531.761545][ T7520]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  531.766977][ T7520]  ? netlink_unicast+0x810/0x810
[  531.772218][ T7520]  __sock_sendmsg+0xd5/0x180
[  531.777133][ T7520]  ____sys_sendmsg+0x6ac/0x940
[  531.781929][ T7520]  ? copy_msghdr_from_user+0x10b/0x160
[  531.787530][ T7520]  ? kernel_sendmsg+0x50/0x50
[  531.792228][ T7520]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  531.798637][ T7520]  ___sys_sendmsg+0x135/0x1d0
[  531.803348][ T7520]  ? do_recvmmsg+0x740/0x740
[  531.807983][ T7520]  ? find_held_lock+0x2d/0x110
[  531.812780][ T7520]  ? preempt_count_sub+0x150/0x150
[  531.818089][ T7520]  ? __fget_light+0x1fa/0x260
[  531.823042][ T7520]  __sys_sendmsg+0x117/0x1e0
[  531.827823][ T7520]  ? __sys_sendmsg_sock+0x30/0x30
[  531.833055][ T7520]  ? syscall_enter_from_user_mode+0x26/0x80
[  531.838961][ T7520]  do_syscall_64+0x3f/0x110
[  531.843566][ T7520]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  531.849468][ T7520] RIP: 0033:0x7fa730b27eb9
[  531.853889][ T7520] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  531.873728][ T7520] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  531.882246][ T7520] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  531.890935][ T7520] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  531.899467][ T7520] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  531.907552][ T7520] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  531.916841][ T7520] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  531.925386][ T7520]  </TASK>
[  531.944183][ T7520] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  531.994154][ T7529] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  532.023666][ T7529] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  532.037010][ T7529] CPU: 0 PID: 7529 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  532.048730][ T7529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  532.059360][ T7529] Call Trace:
[  532.062660][ T7529]  <TASK>
[  532.065702][ T7529]  dump_stack_lvl+0x125/0x1b0
[  532.070527][ T7529]  sysfs_warn_dup+0x7f/0xa0
[  532.075085][ T7529]  sysfs_create_dir_ns+0x247/0x2a0
[  532.080432][ T7529]  ? sysfs_create_mount_point+0xb0/0xb0
[  532.086018][ T7529]  ? spin_bug+0x1c0/0x1c0
[  532.090399][ T7529]  ? net_namespace+0x12/0x40
[  532.095465][ T7529]  ? device_namespace+0x8d/0xc0
[  532.100800][ T7529]  kobject_add_internal+0x2c8/0x960
[  532.106163][ T7529]  kobject_add+0x16f/0x240
[  532.110748][ T7529]  ? kset_create_and_add+0x190/0x190
[  532.116182][ T7529]  ? do_raw_spin_unlock+0x172/0x230
[  532.121712][ T7529]  ? kobject_put+0xbe/0x440
[  532.126281][ T7529]  ? device_add+0xc35/0x1aa0
[  532.130917][ T7529]  device_add+0x289/0x1aa0
[  532.135631][ T7529]  ? device_initialize+0x510/0x510
[  532.140797][ T7529]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  532.146776][ T7529]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  532.153699][ T7529]  ? __init_waitqueue_head+0xca/0x150
[  532.159487][ T7529]  netdev_register_kobject+0x183/0x3f0
[  532.166582][ T7529]  register_netdevice+0xbdf/0x14a0
[  532.171793][ T7529]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  532.178445][ T7529]  ? team_nl_cmd_noop+0x280/0x280
[  532.184308][ T7529]  team_newlink+0x92/0x160
[  532.188772][ T7529]  ? team_nl_cmd_noop+0x280/0x280
[  532.194064][ T7529]  ? rtnl_create_link+0xa6d/0xfd0
[  532.199225][ T7529]  __rtnl_newlink+0x1173/0x1930
[  532.204121][ T7529]  ? rtnl_link_unregister+0x260/0x260
[  532.209737][ T7529]  rtnl_newlink+0x67/0xa0
[  532.214096][ T7529]  ? __rtnl_newlink+0x1930/0x1930
[  532.219589][ T7529]  rtnetlink_rcv_msg+0x3c7/0xe00
[  532.224571][ T7529]  ? rtnl_getlink+0xb40/0xb40
[  532.229363][ T7529]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  532.235381][ T7529]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  532.241530][ T7529]  ? __lock_acquire+0xc97/0x5dc0
[  532.246525][ T7529]  netlink_rcv_skb+0x16b/0x440
[  532.251604][ T7529]  ? rtnl_getlink+0xb40/0xb40
[  532.256426][ T7529]  ? netlink_ack+0x1370/0x1370
[  532.261385][ T7529]  ? lock_sync+0x180/0x180
[  532.265936][ T7529]  ? netlink_deliver_tap+0x1a0/0xd00
[  532.271680][ T7529]  ? _copy_from_iter+0x2c1/0x10f0
[  532.276802][ T7529]  netlink_unicast+0x53b/0x810
[  532.281622][ T7529]  ? netlink_attachskb+0x870/0x870
[  532.286864][ T7529]  ? __phys_addr_symbol+0x30/0x70
[  532.292042][ T7529]  ? __check_object_size+0x322/0x730
[  532.297450][ T7529]  netlink_sendmsg+0x939/0xe40
[  532.302252][ T7529]  ? netlink_unicast+0x810/0x810
[  532.307236][ T7529]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  532.312561][ T7529]  ? netlink_unicast+0x810/0x810
[  532.317539][ T7529]  __sock_sendmsg+0xd5/0x180
[  532.322174][ T7529]  ____sys_sendmsg+0x6ac/0x940
[  532.327057][ T7529]  ? copy_msghdr_from_user+0x10b/0x160
[  532.332822][ T7529]  ? kernel_sendmsg+0x50/0x50
[  532.337536][ T7529]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  532.343660][ T7529]  ___sys_sendmsg+0x135/0x1d0
[  532.348365][ T7529]  ? do_recvmmsg+0x740/0x740
[  532.353084][ T7529]  ? find_held_lock+0x2d/0x110
[  532.358128][ T7529]  ? preempt_count_sub+0x150/0x150
[  532.363395][ T7529]  ? __fget_light+0x1fa/0x260
[  532.368296][ T7529]  __sys_sendmsg+0x117/0x1e0
[  532.372936][ T7529]  ? __sys_sendmsg_sock+0x30/0x30
[  532.378194][ T7529]  ? syscall_enter_from_user_mode+0x26/0x80
[  532.384128][ T7529]  do_syscall_64+0x3f/0x110
[  532.388679][ T7529]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  532.394696][ T7529] RIP: 0033:0x7fa730b27eb9
[  532.399221][ T7529] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  532.419120][ T7529] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  532.427663][ T7529] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  532.435932][ T7529] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  532.444031][ T7529] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  532.452033][ T7529] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  532.460029][ T7529] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  532.468046][ T7529]  </TASK>
[  532.474449][ T7529] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  532.508659][ T7529] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  532.518297][ T7529] CPU: 1 PID: 7529 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  532.529717][ T7529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  532.540073][ T7529] Call Trace:
[  532.543395][ T7529]  <TASK>
[  532.546357][ T7529]  dump_stack_lvl+0x125/0x1b0
[  532.551184][ T7529]  sysfs_warn_dup+0x7f/0xa0
[  532.555732][ T7529]  sysfs_create_dir_ns+0x247/0x2a0
[  532.561146][ T7529]  ? sysfs_create_mount_point+0xb0/0xb0
[  532.566821][ T7529]  ? spin_bug+0x1c0/0x1c0
[  532.571286][ T7529]  ? net_namespace+0x12/0x40
[  532.575994][ T7529]  ? device_namespace+0x8d/0xc0
[  532.580900][ T7529]  kobject_add_internal+0x2c8/0x960
[  532.586156][ T7529]  kobject_add+0x16f/0x240
[  532.590892][ T7529]  ? kset_create_and_add+0x190/0x190
[  532.596241][ T7529]  ? do_raw_spin_unlock+0x172/0x230
[  532.601487][ T7529]  ? kobject_put+0xbe/0x440
[  532.606067][ T7529]  ? device_add+0xc35/0x1aa0
[  532.610715][ T7529]  device_add+0x289/0x1aa0
[  532.615458][ T7529]  ? device_initialize+0x510/0x510
[  532.620605][ T7529]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  532.626548][ T7529]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  532.633440][ T7529]  ? __init_waitqueue_head+0xca/0x150
[  532.638943][ T7529]  netdev_register_kobject+0x183/0x3f0
[  532.644621][ T7529]  register_netdevice+0xbdf/0x14a0
[  532.650128][ T7529]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  532.656146][ T7529]  ? validate_linkmsg+0x6fc/0x9c0
[  532.661209][ T7529]  ? rtnl_create_link+0xa6d/0xfd0
[  532.666273][ T7529]  ? batadv_get_sset_count+0x40/0x40
[  532.671615][ T7529]  batadv_softif_newlink+0x70/0x90
[  532.676802][ T7529]  __rtnl_newlink+0x1173/0x1930
[  532.682152][ T7529]  ? rtnl_link_unregister+0x260/0x260
[  532.687598][ T7529]  rtnl_newlink+0x67/0xa0
[  532.692055][ T7529]  ? __rtnl_newlink+0x1930/0x1930
[  532.697285][ T7529]  rtnetlink_rcv_msg+0x3c7/0xe00
[  532.702267][ T7529]  ? rtnl_getlink+0xb40/0xb40
[  532.706983][ T7529]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  532.713188][ T7529]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  532.719418][ T7529]  ? __lock_acquire+0xc97/0x5dc0
[  532.724436][ T7529]  netlink_rcv_skb+0x16b/0x440
[  532.729254][ T7529]  ? rtnl_getlink+0xb40/0xb40
[  532.734088][ T7529]  ? netlink_ack+0x1370/0x1370
[  532.740025][ T7529]  ? lock_sync+0x180/0x180
[  532.744774][ T7529]  ? netlink_deliver_tap+0x1a0/0xd00
[  532.750103][ T7529]  ? _copy_from_iter+0x2c1/0x10f0
[  532.755442][ T7529]  netlink_unicast+0x53b/0x810
[  532.760618][ T7529]  ? netlink_attachskb+0x870/0x870
[  532.765776][ T7529]  ? __phys_addr_symbol+0x30/0x70
[  532.770921][ T7529]  ? __check_object_size+0x322/0x730
[  532.776256][ T7529]  netlink_sendmsg+0x939/0xe40
[  532.781074][ T7529]  ? netlink_unicast+0x810/0x810
[  532.786231][ T7529]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  532.791770][ T7529]  ? netlink_unicast+0x810/0x810
[  532.796833][ T7529]  __sock_sendmsg+0xd5/0x180
[  532.801907][ T7529]  ____sys_sendmsg+0x6ac/0x940
[  532.806831][ T7529]  ? copy_msghdr_from_user+0x10b/0x160
[  532.812554][ T7529]  ? kernel_sendmsg+0x50/0x50
[  532.817556][ T7529]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  532.824285][ T7529]  ___sys_sendmsg+0x135/0x1d0
[  532.829089][ T7529]  ? do_recvmmsg+0x740/0x740
[  532.834051][ T7529]  ? find_held_lock+0x2d/0x110
[  532.839404][ T7529]  ? preempt_count_sub+0x150/0x150
[  532.844690][ T7529]  ? __fget_light+0x1fa/0x260
[  532.849512][ T7529]  __sys_sendmsg+0x117/0x1e0
[  532.854499][ T7529]  ? __sys_sendmsg_sock+0x30/0x30
[  532.859781][ T7529]  ? syscall_enter_from_user_mode+0x26/0x80
[  532.865909][ T7529]  do_syscall_64+0x3f/0x110
[  532.870634][ T7529]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  532.876669][ T7529] RIP: 0033:0x7fa730b27eb9
[  532.881294][ T7529] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  532.901667][ T7529] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  532.910308][ T7529] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  532.918536][ T7529] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  532.926765][ T7529] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  532.934974][ T7529] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  532.943773][ T7529] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  532.951906][ T7529]  </TASK>
[  533.012094][ T7529] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  533.110114][ T7539] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  533.126782][ T7539] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  533.137172][ T7539] CPU: 0 PID: 7539 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  533.149303][ T7539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  533.160188][ T7539] Call Trace:
[  533.164477][ T7539]  <TASK>
[  533.167705][ T7539]  dump_stack_lvl+0x125/0x1b0
[  533.172449][ T7539]  sysfs_warn_dup+0x7f/0xa0
[  533.177076][ T7539]  sysfs_create_dir_ns+0x247/0x2a0
[  533.182447][ T7539]  ? sysfs_create_mount_point+0xb0/0xb0
[  533.188395][ T7539]  ? spin_bug+0x1c0/0x1c0
[  533.193047][ T7539]  ? net_namespace+0x12/0x40
[  533.198587][ T7539]  ? device_namespace+0x8d/0xc0
[  533.203496][ T7539]  kobject_add_internal+0x2c8/0x960
[  533.208793][ T7539]  kobject_add+0x16f/0x240
[  533.213367][ T7539]  ? kset_create_and_add+0x190/0x190
[  533.219512][ T7539]  ? do_raw_spin_unlock+0x172/0x230
[  533.225489][ T7539]  ? kobject_put+0xbe/0x440
[  533.230053][ T7539]  ? device_add+0xc35/0x1aa0
[  533.234895][ T7539]  device_add+0x289/0x1aa0
[  533.239567][ T7539]  ? device_initialize+0x510/0x510
[  533.244992][ T7539]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  533.251207][ T7539]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  533.258560][ T7539]  ? __init_waitqueue_head+0xca/0x150
[  533.264787][ T7539]  netdev_register_kobject+0x183/0x3f0
[  533.271419][ T7539]  register_netdevice+0xbdf/0x14a0
[  533.277110][ T7539]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  533.284203][ T7539]  ? team_nl_cmd_noop+0x280/0x280
[  533.289466][ T7539]  team_newlink+0x92/0x160
[  533.294294][ T7539]  ? team_nl_cmd_noop+0x280/0x280
[  533.299999][ T7539]  ? rtnl_create_link+0xa6d/0xfd0
[  533.305198][ T7539]  __rtnl_newlink+0x1173/0x1930
[  533.310122][ T7539]  ? rtnl_link_unregister+0x260/0x260
[  533.315769][ T7539]  rtnl_newlink+0x67/0xa0
[  533.320141][ T7539]  ? __rtnl_newlink+0x1930/0x1930
[  533.325461][ T7539]  rtnetlink_rcv_msg+0x3c7/0xe00
[  533.330449][ T7539]  ? rtnl_getlink+0xb40/0xb40
[  533.335220][ T7539]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  533.341644][ T7539]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  533.347686][ T7539]  ? __lock_acquire+0xc97/0x5dc0
[  533.352701][ T7539]  netlink_rcv_skb+0x16b/0x440
[  533.357606][ T7539]  ? rtnl_getlink+0xb40/0xb40
[  533.362937][ T7539]  ? netlink_ack+0x1370/0x1370
[  533.367795][ T7539]  ? lock_sync+0x180/0x180
[  533.372325][ T7539]  ? netlink_deliver_tap+0x1a0/0xd00
[  533.377840][ T7539]  ? _copy_from_iter+0x2c1/0x10f0
[  533.383111][ T7539]  netlink_unicast+0x53b/0x810
[  533.387942][ T7539]  ? netlink_attachskb+0x870/0x870
[  533.393611][ T7539]  ? __phys_addr_symbol+0x30/0x70
[  533.398757][ T7539]  ? __check_object_size+0x322/0x730
[  533.404176][ T7539]  netlink_sendmsg+0x939/0xe40
[  533.408978][ T7539]  ? netlink_unicast+0x810/0x810
[  533.413972][ T7539]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  533.419658][ T7539]  ? netlink_unicast+0x810/0x810
[  533.424743][ T7539]  __sock_sendmsg+0xd5/0x180
[  533.429457][ T7539]  ____sys_sendmsg+0x6ac/0x940
[  533.434354][ T7539]  ? copy_msghdr_from_user+0x10b/0x160
[  533.439847][ T7539]  ? kernel_sendmsg+0x50/0x50
[  533.444828][ T7539]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  533.451027][ T7539]  ___sys_sendmsg+0x135/0x1d0
[  533.456042][ T7539]  ? do_recvmmsg+0x740/0x740
[  533.460758][ T7539]  ? find_held_lock+0x2d/0x110
[  533.465666][ T7539]  ? preempt_count_sub+0x150/0x150
[  533.470832][ T7539]  ? __fget_light+0x1fa/0x260
[  533.475570][ T7539]  __sys_sendmsg+0x117/0x1e0
[  533.480336][ T7539]  ? __sys_sendmsg_sock+0x30/0x30
[  533.485700][ T7539]  ? syscall_enter_from_user_mode+0x26/0x80
[  533.492007][ T7539]  do_syscall_64+0x3f/0x110
[  533.496741][ T7539]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  533.502668][ T7539] RIP: 0033:0x7fa730b27eb9
[  533.507191][ T7539] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  533.527275][ T7539] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  533.535816][ T7539] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  533.543829][ T7539] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  533.552098][ T7539] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  533.560204][ T7539] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  533.568899][ T7539] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  533.577796][ T7539]  </TASK>
[  533.588458][ T7539] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  533.627619][ T7539] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  533.637695][ T7539] CPU: 0 PID: 7539 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  533.649720][ T7539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  533.659810][ T7539] Call Trace:
[  533.663228][ T7539]  <TASK>
[  533.666263][ T7539]  dump_stack_lvl+0x125/0x1b0
[  533.671075][ T7539]  sysfs_warn_dup+0x7f/0xa0
[  533.675783][ T7539]  sysfs_create_dir_ns+0x247/0x2a0
[  533.681209][ T7539]  ? sysfs_create_mount_point+0xb0/0xb0
[  533.687332][ T7539]  ? spin_bug+0x1c0/0x1c0
[  533.692289][ T7539]  ? net_namespace+0x12/0x40
[  533.697447][ T7539]  ? device_namespace+0x8d/0xc0
[  533.702440][ T7539]  kobject_add_internal+0x2c8/0x960
[  533.707864][ T7539]  kobject_add+0x16f/0x240
[  533.712620][ T7539]  ? kset_create_and_add+0x190/0x190
[  533.718126][ T7539]  ? do_raw_spin_unlock+0x172/0x230
[  533.723814][ T7539]  ? kobject_put+0xbe/0x440
[  533.729049][ T7539]  ? device_add+0xc35/0x1aa0
[  533.734021][ T7539]  device_add+0x289/0x1aa0
[  533.738665][ T7539]  ? device_initialize+0x510/0x510
[  533.744088][ T7539]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  533.750211][ T7539]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  533.757179][ T7539]  ? __init_waitqueue_head+0xca/0x150
[  533.762576][ T7539]  netdev_register_kobject+0x183/0x3f0
[  533.769198][ T7539]  register_netdevice+0xbdf/0x14a0
[  533.780077][ T7539]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  533.786174][ T7539]  ? validate_linkmsg+0x6fc/0x9c0
[  533.792012][ T7539]  ? rtnl_create_link+0xa6d/0xfd0
[  533.797258][ T7539]  ? batadv_get_sset_count+0x40/0x40
[  533.802573][ T7539]  batadv_softif_newlink+0x70/0x90
[  533.807709][ T7539]  __rtnl_newlink+0x1173/0x1930
[  533.812939][ T7539]  ? rtnl_link_unregister+0x260/0x260
[  533.818551][ T7539]  rtnl_newlink+0x67/0xa0
[  533.822934][ T7539]  ? __rtnl_newlink+0x1930/0x1930
[  533.828062][ T7539]  rtnetlink_rcv_msg+0x3c7/0xe00
[  533.833187][ T7539]  ? rtnl_getlink+0xb40/0xb40
[  533.838415][ T7539]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  533.844681][ T7539]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  533.851199][ T7539]  ? __lock_acquire+0xc97/0x5dc0
[  533.856245][ T7539]  netlink_rcv_skb+0x16b/0x440
[  533.861378][ T7539]  ? rtnl_getlink+0xb40/0xb40
[  533.866238][ T7539]  ? netlink_ack+0x1370/0x1370
[  533.871611][ T7539]  ? lock_sync+0x180/0x180
[  533.876428][ T7539]  ? netlink_deliver_tap+0x1a0/0xd00
[  533.881928][ T7539]  ? _copy_from_iter+0x2c1/0x10f0
[  533.887423][ T7539]  netlink_unicast+0x53b/0x810
[  533.892645][ T7539]  ? netlink_attachskb+0x870/0x870
[  533.897940][ T7539]  ? __phys_addr_symbol+0x30/0x70
[  533.903027][ T7539]  ? __check_object_size+0x322/0x730
[  533.908805][ T7539]  netlink_sendmsg+0x939/0xe40
[  533.914614][ T7539]  ? netlink_unicast+0x810/0x810
[  533.920777][ T7539]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  533.926695][ T7539]  ? netlink_unicast+0x810/0x810
[  533.932541][ T7539]  __sock_sendmsg+0xd5/0x180
[  533.938917][ T7539]  ____sys_sendmsg+0x6ac/0x940
[  533.944755][ T7539]  ? copy_msghdr_from_user+0x10b/0x160
[  533.950269][ T7539]  ? kernel_sendmsg+0x50/0x50
[  533.955613][ T7539]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  533.961718][ T7539]  ___sys_sendmsg+0x135/0x1d0
[  533.966499][ T7539]  ? do_recvmmsg+0x740/0x740
[  533.971273][ T7539]  ? find_held_lock+0x2d/0x110
[  533.976172][ T7539]  ? preempt_count_sub+0x150/0x150
[  533.981390][ T7539]  ? __fget_light+0x1fa/0x260
[  533.987412][ T7539]  __sys_sendmsg+0x117/0x1e0
[  533.992107][ T7539]  ? __sys_sendmsg_sock+0x30/0x30
[  533.997260][ T7539]  ? syscall_enter_from_user_mode+0x26/0x80
[  534.003174][ T7539]  do_syscall_64+0x3f/0x110
[  534.008045][ T7539]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  534.014214][ T7539] RIP: 0033:0x7fa730b27eb9
[  534.018848][ T7539] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  534.039357][ T7539] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  534.048157][ T7539] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  534.056495][ T7539] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  534.065015][ T7539] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  534.073123][ T7539] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  534.081195][ T7539] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  534.089302][ T7539]  </TASK>
[  534.096284][ T7539] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  534.193761][ T7546] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  534.213888][ T7546] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  534.225741][ T7546] CPU: 0 PID: 7546 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  534.237862][ T7546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  534.248309][ T7546] Call Trace:
[  534.251608][ T7546]  <TASK>
[  534.254637][ T7546]  dump_stack_lvl+0x125/0x1b0
[  534.259537][ T7546]  sysfs_warn_dup+0x7f/0xa0
[  534.264063][ T7546]  sysfs_create_dir_ns+0x247/0x2a0
[  534.269199][ T7546]  ? sysfs_create_mount_point+0xb0/0xb0
[  534.275207][ T7546]  ? spin_bug+0x1c0/0x1c0
[  534.279920][ T7546]  ? net_namespace+0x12/0x40
[  534.284532][ T7546]  ? device_namespace+0x8d/0xc0
[  534.289420][ T7546]  kobject_add_internal+0x2c8/0x960
[  534.294832][ T7546]  kobject_add+0x16f/0x240
[  534.299293][ T7546]  ? kset_create_and_add+0x190/0x190
[  534.304696][ T7546]  ? do_raw_spin_unlock+0x172/0x230
[  534.310022][ T7546]  ? kobject_put+0xbe/0x440
[  534.322384][ T7546]  ? device_add+0xc35/0x1aa0
[  534.327174][ T7546]  device_add+0x289/0x1aa0
[  534.331605][ T7546]  ? device_initialize+0x510/0x510
[  534.336826][ T7546]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  534.342668][ T7546]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  534.350836][ T7546]  ? __init_waitqueue_head+0xca/0x150
[  534.356582][ T7546]  netdev_register_kobject+0x183/0x3f0
[  534.362317][ T7546]  register_netdevice+0xbdf/0x14a0
[  534.367460][ T7546]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  534.373392][ T7546]  ? team_nl_cmd_noop+0x280/0x280
[  534.378430][ T7546]  team_newlink+0x92/0x160
[  534.382873][ T7546]  ? team_nl_cmd_noop+0x280/0x280
[  534.387910][ T7546]  ? rtnl_create_link+0xa6d/0xfd0
[  534.393276][ T7546]  __rtnl_newlink+0x1173/0x1930
[  534.398413][ T7546]  ? rtnl_link_unregister+0x260/0x260
[  534.403823][ T7546]  rtnl_newlink+0x67/0xa0
[  534.408162][ T7546]  ? __rtnl_newlink+0x1930/0x1930
[  534.413195][ T7546]  rtnetlink_rcv_msg+0x3c7/0xe00
[  534.418402][ T7546]  ? rtnl_getlink+0xb40/0xb40
[  534.423097][ T7546]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  534.429205][ T7546]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  534.435314][ T7546]  ? __lock_acquire+0xc97/0x5dc0
[  534.440300][ T7546]  netlink_rcv_skb+0x16b/0x440
[  534.446411][ T7546]  ? rtnl_getlink+0xb40/0xb40
[  534.451236][ T7546]  ? netlink_ack+0x1370/0x1370
[  534.456163][ T7546]  ? lock_sync+0x180/0x180
[  534.460793][ T7546]  ? netlink_deliver_tap+0x1a0/0xd00
[  534.466178][ T7546]  ? _copy_from_iter+0x2c1/0x10f0
[  534.471495][ T7546]  netlink_unicast+0x53b/0x810
[  534.476470][ T7546]  ? netlink_attachskb+0x870/0x870
[  534.481880][ T7546]  ? __phys_addr_symbol+0x30/0x70
[  534.486961][ T7546]  ? __check_object_size+0x322/0x730
[  534.492632][ T7546]  netlink_sendmsg+0x939/0xe40
[  534.497516][ T7546]  ? netlink_unicast+0x810/0x810
[  534.502469][ T7546]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  534.508215][ T7546]  ? netlink_unicast+0x810/0x810
[  534.514516][ T7546]  __sock_sendmsg+0xd5/0x180
[  534.519496][ T7546]  ____sys_sendmsg+0x6ac/0x940
[  534.524269][ T7546]  ? copy_msghdr_from_user+0x10b/0x160
[  534.529915][ T7546]  ? kernel_sendmsg+0x50/0x50
[  534.536204][ T7546]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  534.542268][ T7546]  ___sys_sendmsg+0x135/0x1d0
[  534.546965][ T7546]  ? do_recvmmsg+0x740/0x740
[  534.551665][ T7546]  ? find_held_lock+0x2d/0x110
[  534.556743][ T7546]  ? preempt_count_sub+0x150/0x150
[  534.562339][ T7546]  ? __fget_light+0x1fa/0x260
[  534.567331][ T7546]  __sys_sendmsg+0x117/0x1e0
[  534.572044][ T7546]  ? __sys_sendmsg_sock+0x30/0x30
[  534.577189][ T7546]  ? syscall_enter_from_user_mode+0x26/0x80
[  534.583218][ T7546]  do_syscall_64+0x3f/0x110
[  534.587839][ T7546]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  534.594266][ T7546] RIP: 0033:0x7fa730b27eb9
[  534.599036][ T7546] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  534.618759][ T7546] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  534.627188][ T7546] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  534.635861][ T7546] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  534.644400][ T7546] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  534.652924][ T7546] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  534.660907][ T7546] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  534.669432][ T7546]  </TASK>
[  534.683597][ T7546] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  534.716554][ T7546] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  534.726422][ T7546] CPU: 0 PID: 7546 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  534.738367][ T7546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  534.748538][ T7546] Call Trace:
[  534.752009][ T7546]  <TASK>
[  534.754979][ T7546]  dump_stack_lvl+0x125/0x1b0
[  534.759712][ T7546]  sysfs_warn_dup+0x7f/0xa0
[  534.764340][ T7546]  sysfs_create_dir_ns+0x247/0x2a0
[  534.769578][ T7546]  ? sysfs_create_mount_point+0xb0/0xb0
[  534.775269][ T7546]  ? spin_bug+0x1c0/0x1c0
[  534.779749][ T7546]  ? net_namespace+0x12/0x40
[  534.784545][ T7546]  ? device_namespace+0x8d/0xc0
[  534.789522][ T7546]  kobject_add_internal+0x2c8/0x960
[  534.794777][ T7546]  kobject_add+0x16f/0x240
[  534.799504][ T7546]  ? kset_create_and_add+0x190/0x190
[  534.805134][ T7546]  ? do_raw_spin_unlock+0x172/0x230
[  534.810382][ T7546]  ? kobject_put+0xbe/0x440
[  534.814941][ T7546]  ? device_add+0xc35/0x1aa0
[  534.819566][ T7546]  device_add+0x289/0x1aa0
[  534.824028][ T7546]  ? device_initialize+0x510/0x510
[  534.829178][ T7546]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  534.835465][ T7546]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  534.842636][ T7546]  ? __init_waitqueue_head+0xca/0x150
[  534.848159][ T7546]  netdev_register_kobject+0x183/0x3f0
[  534.854449][ T7546]  register_netdevice+0xbdf/0x14a0
[  534.859698][ T7546]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  534.865717][ T7546]  ? validate_linkmsg+0x6fc/0x9c0
[  534.870890][ T7546]  ? rtnl_create_link+0xa6d/0xfd0
[  534.875993][ T7546]  ? batadv_get_sset_count+0x40/0x40
[  534.881597][ T7546]  batadv_softif_newlink+0x70/0x90
[  534.886851][ T7546]  __rtnl_newlink+0x1173/0x1930
[  534.891784][ T7546]  ? rtnl_link_unregister+0x260/0x260
[  534.898191][ T7546]  rtnl_newlink+0x67/0xa0
[  534.902749][ T7546]  ? __rtnl_newlink+0x1930/0x1930
[  534.907805][ T7546]  rtnetlink_rcv_msg+0x3c7/0xe00
[  534.912882][ T7546]  ? rtnl_getlink+0xb40/0xb40
[  534.917584][ T7546]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  534.923944][ T7546]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  534.929967][ T7546]  ? __lock_acquire+0xc97/0x5dc0
[  534.937910][ T7546]  netlink_rcv_skb+0x16b/0x440
[  534.942904][ T7546]  ? rtnl_getlink+0xb40/0xb40
[  534.947891][ T7546]  ? netlink_ack+0x1370/0x1370
[  534.952803][ T7546]  ? lock_sync+0x180/0x180
[  534.957465][ T7546]  ? netlink_deliver_tap+0x1a0/0xd00
[  534.962815][ T7546]  ? _copy_from_iter+0x2c1/0x10f0
[  534.968068][ T7546]  netlink_unicast+0x53b/0x810
[  534.973484][ T7546]  ? netlink_attachskb+0x870/0x870
[  534.978909][ T7546]  ? __phys_addr_symbol+0x30/0x70
[  534.984873][ T7546]  ? __check_object_size+0x322/0x730
[  534.990397][ T7546]  netlink_sendmsg+0x939/0xe40
[  534.995579][ T7546]  ? netlink_unicast+0x810/0x810
[  535.000746][ T7546]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  535.006167][ T7546]  ? netlink_unicast+0x810/0x810
[  535.011166][ T7546]  __sock_sendmsg+0xd5/0x180
[  535.015803][ T7546]  ____sys_sendmsg+0x6ac/0x940
[  535.021303][ T7546]  ? copy_msghdr_from_user+0x10b/0x160
[  535.026810][ T7546]  ? kernel_sendmsg+0x50/0x50
[  535.031628][ T7546]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  535.038365][ T7546]  ___sys_sendmsg+0x135/0x1d0
[  535.043343][ T7546]  ? do_recvmmsg+0x740/0x740
[  535.048137][ T7546]  ? find_held_lock+0x2d/0x110
[  535.053473][ T7546]  ? preempt_count_sub+0x150/0x150
[  535.058799][ T7546]  ? __fget_light+0x1fa/0x260
[  535.063515][ T7546]  __sys_sendmsg+0x117/0x1e0
[  535.068587][ T7546]  ? __sys_sendmsg_sock+0x30/0x30
[  535.073875][ T7546]  ? syscall_enter_from_user_mode+0x26/0x80
[  535.079972][ T7546]  do_syscall_64+0x3f/0x110
[  535.084689][ T7546]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  535.090631][ T7546] RIP: 0033:0x7fa730b27eb9
[  535.095358][ T7546] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  535.115755][ T7546] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  535.124831][ T7546] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  535.133119][ T7546] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  535.141390][ T7546] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  535.149763][ T7546] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  535.157769][ T7546] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  535.166057][ T7546]  </TASK>
[  535.170515][ T7546] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  535.265483][ T7554] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  535.293858][ T7554] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  535.321750][ T7554] CPU: 1 PID: 7554 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  535.333364][ T7554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  535.343536][ T7554] Call Trace:
[  535.346841][ T7554]  <TASK>
[  535.349797][ T7554]  dump_stack_lvl+0x125/0x1b0
[  535.354540][ T7554]  sysfs_warn_dup+0x7f/0xa0
[  535.359079][ T7554]  sysfs_create_dir_ns+0x247/0x2a0
[  535.364834][ T7554]  ? sysfs_create_mount_point+0xb0/0xb0
[  535.370410][ T7554]  ? spin_bug+0x1c0/0x1c0
[  535.374781][ T7554]  ? net_namespace+0x12/0x40
[  535.379403][ T7554]  ? device_namespace+0x8d/0xc0
[  535.384389][ T7554]  kobject_add_internal+0x2c8/0x960
[  535.389731][ T7554]  kobject_add+0x16f/0x240
[  535.394192][ T7554]  ? kset_create_and_add+0x190/0x190
[  535.399524][ T7554]  ? do_raw_spin_unlock+0x172/0x230
[  535.404864][ T7554]  ? kobject_put+0xbe/0x440
[  535.409415][ T7554]  ? device_add+0xc35/0x1aa0
[  535.414395][ T7554]  device_add+0x289/0x1aa0
[  535.418853][ T7554]  ? device_initialize+0x510/0x510
[  535.424089][ T7554]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  535.430032][ T7554]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  535.437194][ T7554]  ? __init_waitqueue_head+0xca/0x150
[  535.444718][ T7554]  netdev_register_kobject+0x183/0x3f0
[  535.450376][ T7554]  register_netdevice+0xbdf/0x14a0
[  535.455538][ T7554]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  535.461501][ T7554]  ? team_nl_cmd_noop+0x280/0x280
[  535.466575][ T7554]  team_newlink+0x92/0x160
[  535.471059][ T7554]  ? team_nl_cmd_noop+0x280/0x280
[  535.476130][ T7554]  ? rtnl_create_link+0xa6d/0xfd0
[  535.481209][ T7554]  __rtnl_newlink+0x1173/0x1930
[  535.486291][ T7554]  ? rtnl_link_unregister+0x260/0x260
[  535.491828][ T7554]  rtnl_newlink+0x67/0xa0
[  535.496461][ T7554]  ? __rtnl_newlink+0x1930/0x1930
[  535.501701][ T7554]  rtnetlink_rcv_msg+0x3c7/0xe00
[  535.506735][ T7554]  ? rtnl_getlink+0xb40/0xb40
[  535.511450][ T7554]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  535.517485][ T7554]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  535.523598][ T7554]  ? __lock_acquire+0xc97/0x5dc0
[  535.528596][ T7554]  netlink_rcv_skb+0x16b/0x440
[  535.533403][ T7554]  ? rtnl_getlink+0xb40/0xb40
[  535.538246][ T7554]  ? netlink_ack+0x1370/0x1370
[  535.543136][ T7554]  ? lock_sync+0x180/0x180
[  535.547608][ T7554]  ? netlink_deliver_tap+0x1a0/0xd00
[  535.552920][ T7554]  ? _copy_from_iter+0x2c1/0x10f0
[  535.557998][ T7554]  netlink_unicast+0x53b/0x810
[  535.562980][ T7554]  ? netlink_attachskb+0x870/0x870
[  535.568316][ T7554]  ? __phys_addr_symbol+0x30/0x70
[  535.573455][ T7554]  ? __check_object_size+0x322/0x730
[  535.578777][ T7554]  netlink_sendmsg+0x939/0xe40
[  535.583587][ T7554]  ? netlink_unicast+0x810/0x810
[  535.588650][ T7554]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  535.594051][ T7554]  ? netlink_unicast+0x810/0x810
[  535.599022][ T7554]  __sock_sendmsg+0xd5/0x180
[  535.603645][ T7554]  ____sys_sendmsg+0x6ac/0x940
[  535.608435][ T7554]  ? copy_msghdr_from_user+0x10b/0x160
[  535.615138][ T7554]  ? kernel_sendmsg+0x50/0x50
[  535.620025][ T7554]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  535.626311][ T7554]  ___sys_sendmsg+0x135/0x1d0
[  535.631053][ T7554]  ? do_recvmmsg+0x740/0x740
[  535.636050][ T7554]  ? find_held_lock+0x2d/0x110
[  535.640860][ T7554]  ? preempt_count_sub+0x150/0x150
[  535.646196][ T7554]  ? __fget_light+0x1fa/0x260
[  535.651107][ T7554]  __sys_sendmsg+0x117/0x1e0
[  535.655759][ T7554]  ? __sys_sendmsg_sock+0x30/0x30
[  535.661010][ T7554]  ? syscall_enter_from_user_mode+0x26/0x80
[  535.666986][ T7554]  do_syscall_64+0x3f/0x110
[  535.671721][ T7554]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  535.677738][ T7554] RIP: 0033:0x7fa730b27eb9
[  535.682362][ T7554] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  535.702403][ T7554] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  535.711115][ T7554] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  535.719200][ T7554] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  535.727766][ T7554] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  535.735761][ T7554] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  535.743858][ T7554] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  535.751879][ T7554]  </TASK>
[  535.770404][ T7554] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  535.802749][ T7554] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  535.821571][ T7554] CPU: 0 PID: 7554 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  535.833611][ T7554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  535.843760][ T7554] Call Trace:
[  535.847055][ T7554]  <TASK>
[  535.849997][ T7554]  dump_stack_lvl+0x125/0x1b0
[  535.854719][ T7554]  sysfs_warn_dup+0x7f/0xa0
[  535.859260][ T7554]  sysfs_create_dir_ns+0x247/0x2a0
[  535.864412][ T7554]  ? sysfs_create_mount_point+0xb0/0xb0
[  535.870069][ T7554]  ? spin_bug+0x1c0/0x1c0
[  535.874436][ T7554]  ? net_namespace+0x12/0x40
[  535.879161][ T7554]  ? device_namespace+0x8d/0xc0
[  535.884156][ T7554]  kobject_add_internal+0x2c8/0x960
[  535.889429][ T7554]  kobject_add+0x16f/0x240
[  535.894068][ T7554]  ? kset_create_and_add+0x190/0x190
[  535.899758][ T7554]  ? do_raw_spin_unlock+0x172/0x230
[  535.905089][ T7554]  ? kobject_put+0xbe/0x440
[  535.909803][ T7554]  ? device_add+0xc35/0x1aa0
[  535.914667][ T7554]  device_add+0x289/0x1aa0
[  535.919232][ T7554]  ? device_initialize+0x510/0x510
[  535.924739][ T7554]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  535.931118][ T7554]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  535.938017][ T7554]  ? __init_waitqueue_head+0xca/0x150
[  535.943439][ T7554]  netdev_register_kobject+0x183/0x3f0
[  535.949113][ T7554]  register_netdevice+0xbdf/0x14a0
[  535.954358][ T7554]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  535.960291][ T7554]  ? validate_linkmsg+0x6fc/0x9c0
[  535.965466][ T7554]  ? rtnl_create_link+0xa6d/0xfd0
[  535.970612][ T7554]  ? batadv_get_sset_count+0x40/0x40
[  535.976114][ T7554]  batadv_softif_newlink+0x70/0x90
[  535.981374][ T7554]  __rtnl_newlink+0x1173/0x1930
[  535.986385][ T7554]  ? rtnl_link_unregister+0x260/0x260
[  535.991839][ T7554]  rtnl_newlink+0x67/0xa0
[  535.996492][ T7554]  ? __rtnl_newlink+0x1930/0x1930
[  536.001539][ T7554]  rtnetlink_rcv_msg+0x3c7/0xe00
[  536.006686][ T7554]  ? rtnl_getlink+0xb40/0xb40
[  536.011747][ T7554]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  536.018190][ T7554]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  536.024249][ T7554]  ? __lock_acquire+0xc97/0x5dc0
[  536.029352][ T7554]  netlink_rcv_skb+0x16b/0x440
[  536.034235][ T7554]  ? rtnl_getlink+0xb40/0xb40
[  536.038946][ T7554]  ? netlink_ack+0x1370/0x1370
[  536.043832][ T7554]  ? lock_sync+0x180/0x180
[  536.048306][ T7554]  ? netlink_deliver_tap+0x1a0/0xd00
[  536.053718][ T7554]  ? _copy_from_iter+0x2c1/0x10f0
[  536.058789][ T7554]  netlink_unicast+0x53b/0x810
[  536.063686][ T7554]  ? netlink_attachskb+0x870/0x870
[  536.068831][ T7554]  ? __phys_addr_symbol+0x30/0x70
[  536.073900][ T7554]  ? __check_object_size+0x322/0x730
[  536.079219][ T7554]  netlink_sendmsg+0x939/0xe40
[  536.084036][ T7554]  ? netlink_unicast+0x810/0x810
[  536.089019][ T7554]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  536.094505][ T7554]  ? netlink_unicast+0x810/0x810
[  536.099468][ T7554]  __sock_sendmsg+0xd5/0x180
[  536.104082][ T7554]  ____sys_sendmsg+0x6ac/0x940
[  536.108951][ T7554]  ? copy_msghdr_from_user+0x10b/0x160
[  536.114632][ T7554]  ? kernel_sendmsg+0x50/0x50
[  536.119362][ T7554]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  536.125417][ T7554]  ___sys_sendmsg+0x135/0x1d0
[  536.130145][ T7554]  ? do_recvmmsg+0x740/0x740
[  536.134859][ T7554]  ? find_held_lock+0x2d/0x110
[  536.139847][ T7554]  ? preempt_count_sub+0x150/0x150
[  536.145091][ T7554]  ? __fget_light+0x1fa/0x260
[  536.149803][ T7554]  __sys_sendmsg+0x117/0x1e0
[  536.154508][ T7554]  ? __sys_sendmsg_sock+0x30/0x30
[  536.159852][ T7554]  ? syscall_enter_from_user_mode+0x26/0x80
[  536.165781][ T7554]  do_syscall_64+0x3f/0x110
[  536.170323][ T7554]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  536.176349][ T7554] RIP: 0033:0x7fa730b27eb9
[  536.180906][ T7554] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  536.200648][ T7554] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  536.209542][ T7554] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  536.217642][ T7554] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  536.226001][ T7554] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  536.235232][ T7554] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  536.245412][ T7554] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  536.253627][ T7554]  </TASK>
[  536.264182][ T7554] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  536.354670][ T7566] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  536.373431][ T7566] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  536.394801][ T7566] CPU: 1 PID: 7566 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  536.406929][ T7566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  536.417375][ T7566] Call Trace:
[  536.420765][ T7566]  <TASK>
[  536.423713][ T7566]  dump_stack_lvl+0x125/0x1b0
[  536.428443][ T7566]  sysfs_warn_dup+0x7f/0xa0
[  536.433322][ T7566]  sysfs_create_dir_ns+0x247/0x2a0
[  536.438550][ T7566]  ? sysfs_create_mount_point+0xb0/0xb0
[  536.444549][ T7566]  ? spin_bug+0x1c0/0x1c0
[  536.449257][ T7566]  ? net_namespace+0x12/0x40
[  536.453954][ T7566]  ? device_namespace+0x8d/0xc0
[  536.458848][ T7566]  kobject_add_internal+0x2c8/0x960
[  536.464178][ T7566]  kobject_add+0x16f/0x240
[  536.468890][ T7566]  ? kset_create_and_add+0x190/0x190
[  536.474244][ T7566]  ? do_raw_spin_unlock+0x172/0x230
[  536.479565][ T7566]  ? kobject_put+0xbe/0x440
[  536.484112][ T7566]  ? device_add+0xc35/0x1aa0
[  536.488866][ T7566]  device_add+0x289/0x1aa0
[  536.493414][ T7566]  ? device_initialize+0x510/0x510
[  536.498576][ T7566]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  536.504597][ T7566]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  536.511579][ T7566]  ? __init_waitqueue_head+0xca/0x150
[  536.516973][ T7566]  netdev_register_kobject+0x183/0x3f0
[  536.522562][ T7566]  register_netdevice+0xbdf/0x14a0
[  536.528381][ T7566]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  536.534323][ T7566]  ? team_nl_cmd_noop+0x280/0x280
[  536.539387][ T7566]  team_newlink+0x92/0x160
[  536.543843][ T7566]  ? team_nl_cmd_noop+0x280/0x280
[  536.548905][ T7566]  ? rtnl_create_link+0xa6d/0xfd0
[  536.554079][ T7566]  __rtnl_newlink+0x1173/0x1930
[  536.558989][ T7566]  ? rtnl_link_unregister+0x260/0x260
[  536.564492][ T7566]  rtnl_newlink+0x67/0xa0
[  536.568926][ T7566]  ? __rtnl_newlink+0x1930/0x1930
[  536.574003][ T7566]  rtnetlink_rcv_msg+0x3c7/0xe00
[  536.579178][ T7566]  ? rtnl_getlink+0xb40/0xb40
[  536.584050][ T7566]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  536.590139][ T7566]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  536.596234][ T7566]  ? __lock_acquire+0xc97/0x5dc0
[  536.601413][ T7566]  netlink_rcv_skb+0x16b/0x440
[  536.606416][ T7566]  ? rtnl_getlink+0xb40/0xb40
[  536.611286][ T7566]  ? netlink_ack+0x1370/0x1370
[  536.616068][ T7566]  ? lock_sync+0x180/0x180
[  536.620693][ T7566]  ? netlink_deliver_tap+0x1a0/0xd00
[  536.626249][ T7566]  ? _copy_from_iter+0x2c1/0x10f0
[  536.631753][ T7566]  netlink_unicast+0x53b/0x810
[  536.636621][ T7566]  ? netlink_attachskb+0x870/0x870
[  536.642444][ T7566]  ? __phys_addr_symbol+0x30/0x70
[  536.647480][ T7566]  ? __check_object_size+0x322/0x730
[  536.652781][ T7566]  netlink_sendmsg+0x939/0xe40
[  536.657564][ T7566]  ? netlink_unicast+0x810/0x810
[  536.662715][ T7566]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  536.668194][ T7566]  ? netlink_unicast+0x810/0x810
[  536.673179][ T7566]  __sock_sendmsg+0xd5/0x180
[  536.677800][ T7566]  ____sys_sendmsg+0x6ac/0x940
[  536.682675][ T7566]  ? copy_msghdr_from_user+0x10b/0x160
[  536.688420][ T7566]  ? kernel_sendmsg+0x50/0x50
[  536.693224][ T7566]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  536.699349][ T7566]  ___sys_sendmsg+0x135/0x1d0
[  536.704146][ T7566]  ? do_recvmmsg+0x740/0x740
[  536.708840][ T7566]  ? find_held_lock+0x2d/0x110
[  536.713804][ T7566]  ? preempt_count_sub+0x150/0x150
[  536.719153][ T7566]  ? __fget_light+0x1fa/0x260
[  536.723945][ T7566]  __sys_sendmsg+0x117/0x1e0
[  536.728754][ T7566]  ? __sys_sendmsg_sock+0x30/0x30
[  536.734164][ T7566]  ? syscall_enter_from_user_mode+0x26/0x80
[  536.740424][ T7566]  do_syscall_64+0x3f/0x110
[  536.745420][ T7566]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  536.751380][ T7566] RIP: 0033:0x7fa730b27eb9
[  536.755922][ T7566] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  536.776185][ T7566] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  536.784796][ T7566] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  536.792773][ T7566] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  536.800923][ T7566] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  536.808906][ T7566] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  536.816881][ T7566] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  536.824961][ T7566]  </TASK>
[  536.877271][ T7566] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  536.916320][ T7566] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  536.931873][ T7566] CPU: 0 PID: 7566 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  536.943468][ T7566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  536.953827][ T7566] Call Trace:
[  536.957211][ T7566]  <TASK>
[  536.960158][ T7566]  dump_stack_lvl+0x125/0x1b0
[  536.964874][ T7566]  sysfs_warn_dup+0x7f/0xa0
[  536.969435][ T7566]  sysfs_create_dir_ns+0x247/0x2a0
[  536.974778][ T7566]  ? sysfs_create_mount_point+0xb0/0xb0
[  536.980561][ T7566]  ? spin_bug+0x1c0/0x1c0
[  536.985210][ T7566]  ? net_namespace+0x12/0x40
[  536.989938][ T7566]  ? device_namespace+0x8d/0xc0
[  536.994959][ T7566]  kobject_add_internal+0x2c8/0x960
[  537.000822][ T7566]  kobject_add+0x16f/0x240
[  537.005374][ T7566]  ? kset_create_and_add+0x190/0x190
[  537.011080][ T7566]  ? do_raw_spin_unlock+0x172/0x230
[  537.017185][ T7566]  ? kobject_put+0xbe/0x440
[  537.021825][ T7566]  ? device_add+0xc35/0x1aa0
[  537.026486][ T7566]  device_add+0x289/0x1aa0
[  537.031125][ T7566]  ? device_initialize+0x510/0x510
[  537.036469][ T7566]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  537.042602][ T7566]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  537.049742][ T7566]  ? __init_waitqueue_head+0xca/0x150
[  537.055445][ T7566]  netdev_register_kobject+0x183/0x3f0
[  537.061169][ T7566]  register_netdevice+0xbdf/0x14a0
[  537.068758][ T7566]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  537.074797][ T7566]  ? validate_linkmsg+0x6fc/0x9c0
[  537.080342][ T7566]  ? rtnl_create_link+0xa6d/0xfd0
[  537.085956][ T7566]  ? batadv_get_sset_count+0x40/0x40
[  537.092106][ T7566]  batadv_softif_newlink+0x70/0x90
[  537.097471][ T7566]  __rtnl_newlink+0x1173/0x1930
[  537.102745][ T7566]  ? rtnl_link_unregister+0x260/0x260
[  537.108195][ T7566]  rtnl_newlink+0x67/0xa0
[  537.113010][ T7566]  ? __rtnl_newlink+0x1930/0x1930
[  537.118638][ T7566]  rtnetlink_rcv_msg+0x3c7/0xe00
[  537.123614][ T7566]  ? rtnl_getlink+0xb40/0xb40
[  537.128306][ T7566]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  537.134332][ T7566]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  537.140470][ T7566]  ? __lock_acquire+0xc97/0x5dc0
[  537.145645][ T7566]  netlink_rcv_skb+0x16b/0x440
[  537.150812][ T7566]  ? rtnl_getlink+0xb40/0xb40
[  537.156066][ T7566]  ? netlink_ack+0x1370/0x1370
[  537.160861][ T7566]  ? lock_sync+0x180/0x180
[  537.165544][ T7566]  ? netlink_deliver_tap+0x1a0/0xd00
[  537.171151][ T7566]  ? _copy_from_iter+0x2c1/0x10f0
[  537.176565][ T7566]  netlink_unicast+0x53b/0x810
[  537.182418][ T7566]  ? netlink_attachskb+0x870/0x870
[  537.188739][ T7566]  ? __phys_addr_symbol+0x30/0x70
[  537.194629][ T7566]  ? __check_object_size+0x322/0x730
[  537.200586][ T7566]  netlink_sendmsg+0x939/0xe40
[  537.205790][ T7566]  ? netlink_unicast+0x810/0x810
[  537.211143][ T7566]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  537.217012][ T7566]  ? netlink_unicast+0x810/0x810
[  537.222649][ T7566]  __sock_sendmsg+0xd5/0x180
[  537.227454][ T7566]  ____sys_sendmsg+0x6ac/0x940
[  537.232319][ T7566]  ? copy_msghdr_from_user+0x10b/0x160
[  537.238368][ T7566]  ? kernel_sendmsg+0x50/0x50
[  537.244140][ T7566]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  537.250558][ T7566]  ___sys_sendmsg+0x135/0x1d0
[  537.255362][ T7566]  ? do_recvmmsg+0x740/0x740
[  537.259978][ T7566]  ? find_held_lock+0x2d/0x110
[  537.264855][ T7566]  ? preempt_count_sub+0x150/0x150
[  537.270079][ T7566]  ? __fget_light+0x1fa/0x260
[  537.275469][ T7566]  __sys_sendmsg+0x117/0x1e0
[  537.282868][ T7566]  ? __sys_sendmsg_sock+0x30/0x30
[  537.288009][ T7566]  ? syscall_enter_from_user_mode+0x26/0x80
[  537.293923][ T7566]  do_syscall_64+0x3f/0x110
[  537.298443][ T7566]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  537.304367][ T7566] RIP: 0033:0x7fa730b27eb9
[  537.308892][ T7566] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  537.329833][ T7566] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  537.338359][ T7566] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  537.346428][ T7566] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  537.354842][ T7566] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  537.363217][ T7566] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  537.372778][ T7566] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  537.380871][ T7566]  </TASK>
[  537.419140][ T7566] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  537.484794][ T7572] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  537.498168][ T7572] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  537.521538][ T7572] CPU: 1 PID: 7572 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  537.533240][ T7572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  537.543425][ T7572] Call Trace:
[  537.546725][ T7572]  <TASK>
[  537.549679][ T7572]  dump_stack_lvl+0x125/0x1b0
[  537.554744][ T7572]  sysfs_warn_dup+0x7f/0xa0
[  537.559559][ T7572]  sysfs_create_dir_ns+0x247/0x2a0
[  537.564728][ T7572]  ? sysfs_create_mount_point+0xb0/0xb0
[  537.570586][ T7572]  ? spin_bug+0x1c0/0x1c0
[  537.575153][ T7572]  ? net_namespace+0x12/0x40
[  537.579862][ T7572]  ? device_namespace+0x8d/0xc0
[  537.584847][ T7572]  kobject_add_internal+0x2c8/0x960
[  537.590184][ T7572]  kobject_add+0x16f/0x240
[  537.594721][ T7572]  ? kset_create_and_add+0x190/0x190
[  537.600166][ T7572]  ? do_raw_spin_unlock+0x172/0x230
[  537.605685][ T7572]  ? kobject_put+0xbe/0x440
[  537.610401][ T7572]  ? device_add+0xc35/0x1aa0
[  537.615031][ T7572]  device_add+0x289/0x1aa0
[  537.619495][ T7572]  ? device_initialize+0x510/0x510
[  537.624813][ T7572]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  537.631013][ T7572]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  537.637990][ T7572]  ? __init_waitqueue_head+0xca/0x150
[  537.643512][ T7572]  netdev_register_kobject+0x183/0x3f0
[  537.648991][ T7572]  register_netdevice+0xbdf/0x14a0
[  537.654130][ T7572]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  537.660824][ T7572]  ? team_nl_cmd_noop+0x280/0x280
[  537.665880][ T7572]  team_newlink+0x92/0x160
[  537.670311][ T7572]  ? team_nl_cmd_noop+0x280/0x280
[  537.675561][ T7572]  ? rtnl_create_link+0xa6d/0xfd0
[  537.681051][ T7572]  __rtnl_newlink+0x1173/0x1930
[  537.686187][ T7572]  ? rtnl_link_unregister+0x260/0x260
[  537.691596][ T7572]  rtnl_newlink+0x67/0xa0
[  537.695940][ T7572]  ? __rtnl_newlink+0x1930/0x1930
[  537.700976][ T7572]  rtnetlink_rcv_msg+0x3c7/0xe00
[  537.706107][ T7572]  ? rtnl_getlink+0xb40/0xb40
[  537.710789][ T7572]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  537.716912][ T7572]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  537.722906][ T7572]  ? __lock_acquire+0xc97/0x5dc0
[  537.727951][ T7572]  netlink_rcv_skb+0x16b/0x440
[  537.733105][ T7572]  ? rtnl_getlink+0xb40/0xb40
[  537.737965][ T7572]  ? netlink_ack+0x1370/0x1370
[  537.742757][ T7572]  ? lock_sync+0x180/0x180
[  537.747822][ T7572]  ? netlink_deliver_tap+0x1a0/0xd00
[  537.753201][ T7572]  ? _copy_from_iter+0x2c1/0x10f0
[  537.758336][ T7572]  netlink_unicast+0x53b/0x810
[  537.763461][ T7572]  ? netlink_attachskb+0x870/0x870
[  537.768757][ T7572]  ? __phys_addr_symbol+0x30/0x70
[  537.773787][ T7572]  ? __check_object_size+0x322/0x730
[  537.779143][ T7572]  netlink_sendmsg+0x939/0xe40
[  537.783941][ T7572]  ? netlink_unicast+0x810/0x810
[  537.788987][ T7572]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  537.794279][ T7572]  ? netlink_unicast+0x810/0x810
[  537.799315][ T7572]  __sock_sendmsg+0xd5/0x180
[  537.803915][ T7572]  ____sys_sendmsg+0x6ac/0x940
[  537.808770][ T7572]  ? copy_msghdr_from_user+0x10b/0x160
[  537.814328][ T7572]  ? kernel_sendmsg+0x50/0x50
[  537.819054][ T7572]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  537.825269][ T7572]  ___sys_sendmsg+0x135/0x1d0
[  537.831463][ T7572]  ? do_recvmmsg+0x740/0x740
[  537.836182][ T7572]  ? find_held_lock+0x2d/0x110
[  537.840981][ T7572]  ? preempt_count_sub+0x150/0x150
[  537.846311][ T7572]  ? __fget_light+0x1fa/0x260
[  537.851214][ T7572]  __sys_sendmsg+0x117/0x1e0
[  537.855928][ T7572]  ? __sys_sendmsg_sock+0x30/0x30
[  537.861864][ T7572]  ? syscall_enter_from_user_mode+0x26/0x80
[  537.867793][ T7572]  do_syscall_64+0x3f/0x110
[  537.872349][ T7572]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  537.878279][ T7572] RIP: 0033:0x7fa730b27eb9
[  537.882797][ T7572] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  537.902859][ T7572] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  537.911634][ T7572] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  537.919880][ T7572] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  537.927874][ T7572] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  537.936209][ T7572] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  537.944448][ T7572] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  537.952449][ T7572]  </TASK>
[  537.976652][ T7572] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  538.035337][ T7572] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  538.061525][ T7572] CPU: 1 PID: 7572 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  538.072886][ T7572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  538.083240][ T7572] Call Trace:
[  538.086717][ T7572]  <TASK>
[  538.089759][ T7572]  dump_stack_lvl+0x125/0x1b0
[  538.094499][ T7572]  sysfs_warn_dup+0x7f/0xa0
[  538.099060][ T7572]  sysfs_create_dir_ns+0x247/0x2a0
[  538.104295][ T7572]  ? sysfs_create_mount_point+0xb0/0xb0
[  538.110131][ T7572]  ? spin_bug+0x1c0/0x1c0
[  538.114505][ T7572]  ? net_namespace+0x12/0x40
[  538.119134][ T7572]  ? device_namespace+0x8d/0xc0
[  538.124026][ T7572]  kobject_add_internal+0x2c8/0x960
[  538.129276][ T7572]  kobject_add+0x16f/0x240
[  538.133818][ T7572]  ? kset_create_and_add+0x190/0x190
[  538.139233][ T7572]  ? do_raw_spin_unlock+0x172/0x230
[  538.144643][ T7572]  ? kobject_put+0xbe/0x440
[  538.149185][ T7572]  ? device_add+0xc35/0x1aa0
[  538.153814][ T7572]  device_add+0x289/0x1aa0
[  538.158547][ T7572]  ? device_initialize+0x510/0x510
[  538.163711][ T7572]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  538.169567][ T7572]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  538.176822][ T7572]  ? __init_waitqueue_head+0xca/0x150
[  538.182245][ T7572]  netdev_register_kobject+0x183/0x3f0
[  538.187750][ T7572]  register_netdevice+0xbdf/0x14a0
[  538.192994][ T7572]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  538.199176][ T7572]  ? validate_linkmsg+0x6fc/0x9c0
[  538.204243][ T7572]  ? rtnl_create_link+0xa6d/0xfd0
[  538.209309][ T7572]  ? batadv_get_sset_count+0x40/0x40
[  538.214633][ T7572]  batadv_softif_newlink+0x70/0x90
[  538.220215][ T7572]  __rtnl_newlink+0x1173/0x1930
[  538.225209][ T7572]  ? rtnl_link_unregister+0x260/0x260
[  538.230741][ T7572]  rtnl_newlink+0x67/0xa0
[  538.235192][ T7572]  ? __rtnl_newlink+0x1930/0x1930
[  538.240245][ T7572]  rtnetlink_rcv_msg+0x3c7/0xe00
[  538.245303][ T7572]  ? rtnl_getlink+0xb40/0xb40
[  538.250453][ T7572]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  538.256473][ T7572]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  538.262580][ T7572]  ? __lock_acquire+0xc97/0x5dc0
[  538.267568][ T7572]  netlink_rcv_skb+0x16b/0x440
[  538.272368][ T7572]  ? rtnl_getlink+0xb40/0xb40
[  538.277085][ T7572]  ? netlink_ack+0x1370/0x1370
[  538.281892][ T7572]  ? lock_sync+0x180/0x180
[  538.286553][ T7572]  ? netlink_deliver_tap+0x1a0/0xd00
[  538.291892][ T7572]  ? _copy_from_iter+0x2c1/0x10f0
[  538.297090][ T7572]  netlink_unicast+0x53b/0x810
[  538.301897][ T7572]  ? netlink_attachskb+0x870/0x870
[  538.307188][ T7572]  ? __phys_addr_symbol+0x30/0x70
[  538.312504][ T7572]  ? __check_object_size+0x322/0x730
[  538.318002][ T7572]  netlink_sendmsg+0x939/0xe40
[  538.322906][ T7572]  ? netlink_unicast+0x810/0x810
[  538.327986][ T7572]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  538.333399][ T7572]  ? netlink_unicast+0x810/0x810
[  538.338375][ T7572]  __sock_sendmsg+0xd5/0x180
[  538.342998][ T7572]  ____sys_sendmsg+0x6ac/0x940
[  538.347788][ T7572]  ? copy_msghdr_from_user+0x10b/0x160
[  538.353536][ T7572]  ? kernel_sendmsg+0x50/0x50
[  538.358245][ T7572]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  538.364391][ T7572]  ___sys_sendmsg+0x135/0x1d0
[  538.369107][ T7572]  ? do_recvmmsg+0x740/0x740
[  538.373900][ T7572]  ? find_held_lock+0x2d/0x110
[  538.378715][ T7572]  ? preempt_count_sub+0x150/0x150
[  538.383964][ T7572]  ? __fget_light+0x1fa/0x260
[  538.388685][ T7572]  __sys_sendmsg+0x117/0x1e0
[  538.393308][ T7572]  ? __sys_sendmsg_sock+0x30/0x30
[  538.398905][ T7572]  ? syscall_enter_from_user_mode+0x26/0x80
[  538.404839][ T7572]  do_syscall_64+0x3f/0x110
[  538.409380][ T7572]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  538.415391][ T7572] RIP: 0033:0x7fa730b27eb9
[  538.420529][ T7572] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  538.440350][ T7572] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  538.448839][ T7572] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  538.456924][ T7572] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  538.464926][ T7572] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  538.473012][ T7572] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  538.481103][ T7572] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  538.489289][ T7572]  </TASK>
[  538.500392][ T7572] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  538.581045][ T7579] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  538.604486][ T7579] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  538.628268][ T7579] CPU: 0 PID: 7579 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  538.639808][ T7579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  538.650000][ T7579] Call Trace:
[  538.653400][ T7579]  <TASK>
[  538.656532][ T7579]  dump_stack_lvl+0x125/0x1b0
[  538.661452][ T7579]  sysfs_warn_dup+0x7f/0xa0
[  538.666062][ T7579]  sysfs_create_dir_ns+0x247/0x2a0
[  538.671812][ T7579]  ? sysfs_create_mount_point+0xb0/0xb0
[  538.677389][ T7579]  ? spin_bug+0x1c0/0x1c0
[  538.681861][ T7579]  ? net_namespace+0x12/0x40
[  538.686574][ T7579]  ? device_namespace+0x8d/0xc0
[  538.691561][ T7579]  kobject_add_internal+0x2c8/0x960
[  538.696897][ T7579]  kobject_add+0x16f/0x240
[  538.701350][ T7579]  ? kset_create_and_add+0x190/0x190
[  538.706936][ T7579]  ? do_raw_spin_unlock+0x172/0x230
[  538.712173][ T7579]  ? kobject_put+0xbe/0x440
[  538.716748][ T7579]  ? device_add+0xc35/0x1aa0
[  538.721357][ T7579]  device_add+0x289/0x1aa0
[  538.726047][ T7579]  ? device_initialize+0x510/0x510
[  538.731173][ T7579]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  538.737035][ T7579]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  538.744198][ T7579]  ? __init_waitqueue_head+0xca/0x150
[  538.749729][ T7579]  netdev_register_kobject+0x183/0x3f0
[  538.755482][ T7579]  register_netdevice+0xbdf/0x14a0
[  538.760612][ T7579]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  538.766523][ T7579]  ? team_nl_cmd_noop+0x280/0x280
[  538.771739][ T7579]  team_newlink+0x92/0x160
[  538.776304][ T7579]  ? team_nl_cmd_noop+0x280/0x280
[  538.781338][ T7579]  ? rtnl_create_link+0xa6d/0xfd0
[  538.786652][ T7579]  __rtnl_newlink+0x1173/0x1930
[  538.791698][ T7579]  ? rtnl_link_unregister+0x260/0x260
[  538.797109][ T7579]  rtnl_newlink+0x67/0xa0
[  538.801445][ T7579]  ? __rtnl_newlink+0x1930/0x1930
[  538.806477][ T7579]  rtnetlink_rcv_msg+0x3c7/0xe00
[  538.811597][ T7579]  ? rtnl_getlink+0xb40/0xb40
[  538.816452][ T7579]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  538.822461][ T7579]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  538.828542][ T7579]  ? __lock_acquire+0xc97/0x5dc0
[  538.833673][ T7579]  netlink_rcv_skb+0x16b/0x440
[  538.838648][ T7579]  ? rtnl_getlink+0xb40/0xb40
[  538.843429][ T7579]  ? netlink_ack+0x1370/0x1370
[  538.848291][ T7579]  ? lock_sync+0x180/0x180
[  538.852883][ T7579]  ? netlink_deliver_tap+0x1a0/0xd00
[  538.858232][ T7579]  ? _copy_from_iter+0x2c1/0x10f0
[  538.863286][ T7579]  netlink_unicast+0x53b/0x810
[  538.868425][ T7579]  ? netlink_attachskb+0x870/0x870
[  538.873548][ T7579]  ? __phys_addr_symbol+0x30/0x70
[  538.879148][ T7579]  ? __check_object_size+0x322/0x730
[  538.884619][ T7579]  netlink_sendmsg+0x939/0xe40
[  538.889431][ T7579]  ? netlink_unicast+0x810/0x810
[  538.894489][ T7579]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  538.899784][ T7579]  ? netlink_unicast+0x810/0x810
[  538.904735][ T7579]  __sock_sendmsg+0xd5/0x180
[  538.909337][ T7579]  ____sys_sendmsg+0x6ac/0x940
[  538.914120][ T7579]  ? copy_msghdr_from_user+0x10b/0x160
[  538.919684][ T7579]  ? kernel_sendmsg+0x50/0x50
[  538.924491][ T7579]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  538.930549][ T7579]  ___sys_sendmsg+0x135/0x1d0
[  538.935416][ T7579]  ? do_recvmmsg+0x740/0x740
[  538.940623][ T7579]  ? find_held_lock+0x2d/0x110
[  538.945417][ T7579]  ? preempt_count_sub+0x150/0x150
[  538.950549][ T7579]  ? __fget_light+0x1fa/0x260
[  538.955243][ T7579]  __sys_sendmsg+0x117/0x1e0
[  538.959848][ T7579]  ? __sys_sendmsg_sock+0x30/0x30
[  538.964897][ T7579]  ? syscall_enter_from_user_mode+0x26/0x80
[  538.970805][ T7579]  do_syscall_64+0x3f/0x110
[  538.975331][ T7579]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  538.981508][ T7579] RIP: 0033:0x7fa730b27eb9
[  538.986032][ T7579] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  539.005736][ T7579] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  539.014332][ T7579] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  539.022487][ T7579] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  539.031166][ T7579] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  539.039135][ T7579] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  539.047315][ T7579] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  539.055513][ T7579]  </TASK>
[  539.080247][ T7579] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  539.110977][ T7579] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  539.120331][ T7579] CPU: 0 PID: 7579 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  539.132004][ T7579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  539.142694][ T7579] Call Trace:
[  539.146003][ T7579]  <TASK>
[  539.148951][ T7579]  dump_stack_lvl+0x125/0x1b0
[  539.153930][ T7579]  sysfs_warn_dup+0x7f/0xa0
[  539.158457][ T7579]  sysfs_create_dir_ns+0x247/0x2a0
[  539.163863][ T7579]  ? sysfs_create_mount_point+0xb0/0xb0
[  539.169606][ T7579]  ? spin_bug+0x1c0/0x1c0
[  539.174299][ T7579]  ? net_namespace+0x12/0x40
[  539.178908][ T7579]  ? device_namespace+0x8d/0xc0
[  539.183884][ T7579]  kobject_add_internal+0x2c8/0x960
[  539.189122][ T7579]  kobject_add+0x16f/0x240
[  539.196963][ T7579]  ? kset_create_and_add+0x190/0x190
[  539.202372][ T7579]  ? do_raw_spin_unlock+0x172/0x230
[  539.207605][ T7579]  ? kobject_put+0xbe/0x440
[  539.212499][ T7579]  ? device_add+0xc35/0x1aa0
[  539.217218][ T7579]  device_add+0x289/0x1aa0
[  539.221848][ T7579]  ? device_initialize+0x510/0x510
[  539.227066][ T7579]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  539.233088][ T7579]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  539.240163][ T7579]  ? __init_waitqueue_head+0xca/0x150
[  539.245579][ T7579]  netdev_register_kobject+0x183/0x3f0
[  539.251249][ T7579]  register_netdevice+0xbdf/0x14a0
[  539.256415][ T7579]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  539.262358][ T7579]  ? validate_linkmsg+0x6fc/0x9c0
[  539.267429][ T7579]  ? rtnl_create_link+0xa6d/0xfd0
[  539.272676][ T7579]  ? batadv_get_sset_count+0x40/0x40
[  539.278098][ T7579]  batadv_softif_newlink+0x70/0x90
[  539.283287][ T7579]  __rtnl_newlink+0x1173/0x1930
[  539.288180][ T7579]  ? rtnl_link_unregister+0x260/0x260
[  539.293621][ T7579]  rtnl_newlink+0x67/0xa0
[  539.297982][ T7579]  ? __rtnl_newlink+0x1930/0x1930
[  539.303035][ T7579]  rtnetlink_rcv_msg+0x3c7/0xe00
[  539.308010][ T7579]  ? rtnl_getlink+0xb40/0xb40
[  539.312805][ T7579]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  539.318821][ T7579]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  539.324838][ T7579]  ? __lock_acquire+0xc97/0x5dc0
[  539.329828][ T7579]  netlink_rcv_skb+0x16b/0x440
[  539.334639][ T7579]  ? rtnl_getlink+0xb40/0xb40
[  539.339375][ T7579]  ? netlink_ack+0x1370/0x1370
[  539.344171][ T7579]  ? lock_sync+0x180/0x180
[  539.348644][ T7579]  ? netlink_deliver_tap+0x1a0/0xd00
[  539.353956][ T7579]  ? _copy_from_iter+0x2c1/0x10f0
[  539.359019][ T7579]  netlink_unicast+0x53b/0x810
[  539.363822][ T7579]  ? netlink_attachskb+0x870/0x870
[  539.369049][ T7579]  ? __phys_addr_symbol+0x30/0x70
[  539.374116][ T7579]  ? __check_object_size+0x322/0x730
[  539.379533][ T7579]  netlink_sendmsg+0x939/0xe40
[  539.384437][ T7579]  ? netlink_unicast+0x810/0x810
[  539.389414][ T7579]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  539.394743][ T7579]  ? netlink_unicast+0x810/0x810
[  539.399733][ T7579]  __sock_sendmsg+0xd5/0x180
[  539.404530][ T7579]  ____sys_sendmsg+0x6ac/0x940
[  539.409691][ T7579]  ? copy_msghdr_from_user+0x10b/0x160
[  539.415189][ T7579]  ? kernel_sendmsg+0x50/0x50
[  539.419903][ T7579]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  539.426025][ T7579]  ___sys_sendmsg+0x135/0x1d0
[  539.431057][ T7579]  ? do_recvmmsg+0x740/0x740
[  539.435769][ T7579]  ? find_held_lock+0x2d/0x110
[  539.440761][ T7579]  ? preempt_count_sub+0x150/0x150
[  539.446054][ T7579]  ? __fget_light+0x1fa/0x260
[  539.450855][ T7579]  __sys_sendmsg+0x117/0x1e0
[  539.455485][ T7579]  ? __sys_sendmsg_sock+0x30/0x30
[  539.460819][ T7579]  ? syscall_enter_from_user_mode+0x26/0x80
[  539.466765][ T7579]  do_syscall_64+0x3f/0x110
[  539.471411][ T7579]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  539.477339][ T7579] RIP: 0033:0x7fa730b27eb9
[  539.481864][ T7579] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  539.501526][ T7579] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  539.510051][ T7579] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  539.518041][ T7579] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  539.526035][ T7579] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  539.534299][ T7579] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  539.542552][ T7579] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  539.550833][ T7579]  </TASK>
[  539.565666][ T7579] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  539.612738][ T7582] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  539.628870][ T7582] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  539.652146][ T7582] CPU: 0 PID: 7582 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  539.663779][ T7582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  539.674479][ T7582] Call Trace:
[  539.677869][ T7582]  <TASK>
[  539.680930][ T7582]  dump_stack_lvl+0x125/0x1b0
[  539.685655][ T7582]  sysfs_warn_dup+0x7f/0xa0
[  539.690309][ T7582]  sysfs_create_dir_ns+0x247/0x2a0
[  539.695639][ T7582]  ? sysfs_create_mount_point+0xb0/0xb0
[  539.701387][ T7582]  ? spin_bug+0x1c0/0x1c0
[  539.705837][ T7582]  ? net_namespace+0x12/0x40
[  539.710535][ T7582]  ? device_namespace+0x8d/0xc0
[  539.715597][ T7582]  kobject_add_internal+0x2c8/0x960
[  539.720848][ T7582]  kobject_add+0x16f/0x240
[  539.725556][ T7582]  ? kset_create_and_add+0x190/0x190
[  539.731218][ T7582]  ? do_raw_spin_unlock+0x172/0x230
[  539.737014][ T7582]  ? kobject_put+0xbe/0x440
[  539.742973][ T7582]  ? device_add+0xc35/0x1aa0
[  539.748999][ T7582]  device_add+0x289/0x1aa0
[  539.753445][ T7582]  ? device_initialize+0x510/0x510
[  539.758585][ T7582]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  539.764686][ T7582]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  539.772098][ T7582]  ? __init_waitqueue_head+0xca/0x150
[  539.777514][ T7582]  netdev_register_kobject+0x183/0x3f0
[  539.783014][ T7582]  register_netdevice+0xbdf/0x14a0
[  539.788176][ T7582]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  539.794299][ T7582]  ? team_nl_cmd_noop+0x280/0x280
[  539.799387][ T7582]  team_newlink+0x92/0x160
[  539.803955][ T7582]  ? team_nl_cmd_noop+0x280/0x280
[  539.809124][ T7582]  ? rtnl_create_link+0xa6d/0xfd0
[  539.814209][ T7582]  __rtnl_newlink+0x1173/0x1930
[  539.819109][ T7582]  ? rtnl_link_unregister+0x260/0x260
[  539.824639][ T7582]  rtnl_newlink+0x67/0xa0
[  539.829007][ T7582]  ? __rtnl_newlink+0x1930/0x1930
[  539.834430][ T7582]  rtnetlink_rcv_msg+0x3c7/0xe00
[  539.839395][ T7582]  ? rtnl_getlink+0xb40/0xb40
[  539.844093][ T7582]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  539.850118][ T7582]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  539.856341][ T7582]  ? __lock_acquire+0xc97/0x5dc0
[  539.861508][ T7582]  netlink_rcv_skb+0x16b/0x440
[  539.866310][ T7582]  ? rtnl_getlink+0xb40/0xb40
[  539.871146][ T7582]  ? netlink_ack+0x1370/0x1370
[  539.876092][ T7582]  ? lock_sync+0x180/0x180
[  539.881089][ T7582]  ? netlink_deliver_tap+0x1a0/0xd00
[  539.886600][ T7582]  ? _copy_from_iter+0x2c1/0x10f0
[  539.891707][ T7582]  netlink_unicast+0x53b/0x810
[  539.896522][ T7582]  ? netlink_attachskb+0x870/0x870
[  539.901754][ T7582]  ? __phys_addr_symbol+0x30/0x70
[  539.907088][ T7582]  ? __check_object_size+0x322/0x730
[  539.912511][ T7582]  netlink_sendmsg+0x939/0xe40
[  539.917505][ T7582]  ? netlink_unicast+0x810/0x810
[  539.922655][ T7582]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  539.928486][ T7582]  ? netlink_unicast+0x810/0x810
[  539.933542][ T7582]  __sock_sendmsg+0xd5/0x180
[  539.938335][ T7582]  ____sys_sendmsg+0x6ac/0x940
[  539.943142][ T7582]  ? copy_msghdr_from_user+0x10b/0x160
[  539.948715][ T7582]  ? kernel_sendmsg+0x50/0x50
[  539.953613][ T7582]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  539.959725][ T7582]  ___sys_sendmsg+0x135/0x1d0
[  539.964536][ T7582]  ? do_recvmmsg+0x740/0x740
[  539.969246][ T7582]  ? find_held_lock+0x2d/0x110
[  539.974062][ T7582]  ? preempt_count_sub+0x150/0x150
[  539.979216][ T7582]  ? __fget_light+0x1fa/0x260
[  539.983923][ T7582]  __sys_sendmsg+0x117/0x1e0
[  539.988738][ T7582]  ? __sys_sendmsg_sock+0x30/0x30
[  539.993896][ T7582]  ? syscall_enter_from_user_mode+0x26/0x80
[  539.999819][ T7582]  do_syscall_64+0x3f/0x110
[  540.004351][ T7582]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  540.010271][ T7582] RIP: 0033:0x7fa730b27eb9
[  540.014804][ T7582] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  540.035062][ T7582] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  540.045363][ T7582] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  540.053815][ T7582] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  540.062002][ T7582] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  540.070091][ T7582] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  540.078274][ T7582] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  540.086395][ T7582]  </TASK>
[  540.107122][ T7582] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  540.133365][ T7582] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  540.142719][ T7582] CPU: 1 PID: 7582 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  540.154302][ T7582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  540.167959][ T7582] Call Trace:
[  540.171440][ T7582]  <TASK>
[  540.174490][ T7582]  dump_stack_lvl+0x125/0x1b0
[  540.179300][ T7582]  sysfs_warn_dup+0x7f/0xa0
[  540.184064][ T7582]  sysfs_create_dir_ns+0x247/0x2a0
[  540.189391][ T7582]  ? sysfs_create_mount_point+0xb0/0xb0
[  540.195081][ T7582]  ? spin_bug+0x1c0/0x1c0
[  540.199453][ T7582]  ? net_namespace+0x12/0x40
[  540.204072][ T7582]  ? device_namespace+0x8d/0xc0
[  540.209150][ T7582]  kobject_add_internal+0x2c8/0x960
[  540.214591][ T7582]  kobject_add+0x16f/0x240
[  540.219062][ T7582]  ? kset_create_and_add+0x190/0x190
[  540.224582][ T7582]  ? do_raw_spin_unlock+0x172/0x230
[  540.230016][ T7582]  ? kobject_put+0xbe/0x440
[  540.234653][ T7582]  ? device_add+0xc35/0x1aa0
[  540.239292][ T7582]  device_add+0x289/0x1aa0
[  540.243913][ T7582]  ? device_initialize+0x510/0x510
[  540.249051][ T7582]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  540.254904][ T7582]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  540.261795][ T7582]  ? __init_waitqueue_head+0xca/0x150
[  540.267305][ T7582]  netdev_register_kobject+0x183/0x3f0
[  540.273246][ T7582]  register_netdevice+0xbdf/0x14a0
[  540.278661][ T7582]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  540.284577][ T7582]  ? validate_linkmsg+0x6fc/0x9c0
[  540.289647][ T7582]  ? rtnl_create_link+0xa6d/0xfd0
[  540.294717][ T7582]  ? batadv_get_sset_count+0x40/0x40
[  540.300132][ T7582]  batadv_softif_newlink+0x70/0x90
[  540.305373][ T7582]  __rtnl_newlink+0x1173/0x1930
[  540.310450][ T7582]  ? rtnl_link_unregister+0x260/0x260
[  540.316152][ T7582]  rtnl_newlink+0x67/0xa0
[  540.320521][ T7582]  ? __rtnl_newlink+0x1930/0x1930
[  540.325750][ T7582]  rtnetlink_rcv_msg+0x3c7/0xe00
[  540.330816][ T7582]  ? rtnl_getlink+0xb40/0xb40
[  540.335963][ T7582]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  540.341993][ T7582]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  540.348198][ T7582]  ? __lock_acquire+0xc97/0x5dc0
[  540.353270][ T7582]  netlink_rcv_skb+0x16b/0x440
[  540.358279][ T7582]  ? rtnl_getlink+0xb40/0xb40
[  540.362993][ T7582]  ? netlink_ack+0x1370/0x1370
[  540.367956][ T7582]  ? lock_sync+0x180/0x180
[  540.372431][ T7582]  ? netlink_deliver_tap+0x1a0/0xd00
[  540.378020][ T7582]  ? _copy_from_iter+0x2c1/0x10f0
[  540.383144][ T7582]  netlink_unicast+0x53b/0x810
[  540.387960][ T7582]  ? netlink_attachskb+0x870/0x870
[  540.393368][ T7582]  ? __phys_addr_symbol+0x30/0x70
[  540.398901][ T7582]  ? __check_object_size+0x322/0x730
[  540.404326][ T7582]  netlink_sendmsg+0x939/0xe40
[  540.409239][ T7582]  ? netlink_unicast+0x810/0x810
[  540.414324][ T7582]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  540.419818][ T7582]  ? netlink_unicast+0x810/0x810
[  540.424913][ T7582]  __sock_sendmsg+0xd5/0x180
[  540.429895][ T7582]  ____sys_sendmsg+0x6ac/0x940
[  540.434790][ T7582]  ? copy_msghdr_from_user+0x10b/0x160
[  540.440297][ T7582]  ? kernel_sendmsg+0x50/0x50
[  540.445016][ T7582]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  540.451138][ T7582]  ___sys_sendmsg+0x135/0x1d0
[  540.456031][ T7582]  ? do_recvmmsg+0x740/0x740
[  540.460735][ T7582]  ? find_held_lock+0x2d/0x110
[  540.465817][ T7582]  ? preempt_count_sub+0x150/0x150
[  540.471076][ T7582]  ? __fget_light+0x1fa/0x260
[  540.475791][ T7582]  __sys_sendmsg+0x117/0x1e0
[  540.480579][ T7582]  ? __sys_sendmsg_sock+0x30/0x30
[  540.486174][ T7582]  ? syscall_enter_from_user_mode+0x26/0x80
[  540.492191][ T7582]  do_syscall_64+0x3f/0x110
[  540.496817][ T7582]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  540.502921][ T7582] RIP: 0033:0x7fa730b27eb9
[  540.507450][ T7582] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  540.527357][ T7582] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  540.536006][ T7582] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  540.544031][ T7582] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  540.552464][ T7582] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  540.560554][ T7582] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  540.568551][ T7582] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  540.576568][ T7582]  </TASK>
[  540.622335][ T7582] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  540.730207][ T7591] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  540.756908][ T7591] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  540.774941][ T7591] CPU: 0 PID: 7591 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  540.787015][ T7591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  540.797459][ T7591] Call Trace:
[  540.800760][ T7591]  <TASK>
[  540.803714][ T7591]  dump_stack_lvl+0x125/0x1b0
[  540.808433][ T7591]  sysfs_warn_dup+0x7f/0xa0
[  540.812957][ T7591]  sysfs_create_dir_ns+0x247/0x2a0
[  540.818101][ T7591]  ? sysfs_create_mount_point+0xb0/0xb0
[  540.823670][ T7591]  ? spin_bug+0x1c0/0x1c0
[  540.828209][ T7591]  ? net_namespace+0x12/0x40
[  540.832905][ T7591]  ? device_namespace+0x8d/0xc0
[  540.837969][ T7591]  kobject_add_internal+0x2c8/0x960
[  540.843217][ T7591]  kobject_add+0x16f/0x240
[  540.847672][ T7591]  ? kset_create_and_add+0x190/0x190
[  540.853085][ T7591]  ? do_raw_spin_unlock+0x172/0x230
[  540.858445][ T7591]  ? kobject_put+0xbe/0x440
[  540.863066][ T7591]  ? device_add+0xc35/0x1aa0
[  540.867871][ T7591]  device_add+0x289/0x1aa0
[  540.872312][ T7591]  ? device_initialize+0x510/0x510
[  540.877621][ T7591]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  540.883571][ T7591]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  540.891169][ T7591]  ? __init_waitqueue_head+0xca/0x150
[  540.896602][ T7591]  netdev_register_kobject+0x183/0x3f0
[  540.902218][ T7591]  register_netdevice+0xbdf/0x14a0
[  540.907479][ T7591]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  540.913426][ T7591]  ? team_nl_cmd_noop+0x280/0x280
[  540.919293][ T7591]  team_newlink+0x92/0x160
[  540.923779][ T7591]  ? team_nl_cmd_noop+0x280/0x280
[  540.929010][ T7591]  ? rtnl_create_link+0xa6d/0xfd0
[  540.934080][ T7591]  __rtnl_newlink+0x1173/0x1930
[  540.939071][ T7591]  ? rtnl_link_unregister+0x260/0x260
[  540.944603][ T7591]  rtnl_newlink+0x67/0xa0
[  540.948966][ T7591]  ? __rtnl_newlink+0x1930/0x1930
[  540.954018][ T7591]  rtnetlink_rcv_msg+0x3c7/0xe00
[  540.958987][ T7591]  ? rtnl_getlink+0xb40/0xb40
[  540.963860][ T7591]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  540.969869][ T7591]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  540.975904][ T7591]  ? __lock_acquire+0xc97/0x5dc0
[  540.980922][ T7591]  netlink_rcv_skb+0x16b/0x440
[  540.985737][ T7591]  ? rtnl_getlink+0xb40/0xb40
[  540.990543][ T7591]  ? netlink_ack+0x1370/0x1370
[  540.995426][ T7591]  ? lock_sync+0x180/0x180
[  540.999902][ T7591]  ? netlink_deliver_tap+0x1a0/0xd00
[  541.005302][ T7591]  ? _copy_from_iter+0x2c1/0x10f0
[  541.010456][ T7591]  netlink_unicast+0x53b/0x810
[  541.015347][ T7591]  ? netlink_attachskb+0x870/0x870
[  541.020492][ T7591]  ? __phys_addr_symbol+0x30/0x70
[  541.025546][ T7591]  ? __check_object_size+0x322/0x730
[  541.030857][ T7591]  netlink_sendmsg+0x939/0xe40
[  541.035752][ T7591]  ? netlink_unicast+0x810/0x810
[  541.040829][ T7591]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  541.046159][ T7591]  ? netlink_unicast+0x810/0x810
[  541.051157][ T7591]  __sock_sendmsg+0xd5/0x180
[  541.055858][ T7591]  ____sys_sendmsg+0x6ac/0x940
[  541.060802][ T7591]  ? copy_msghdr_from_user+0x10b/0x160
[  541.066370][ T7591]  ? kernel_sendmsg+0x50/0x50
[  541.071146][ T7591]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  541.077268][ T7591]  ___sys_sendmsg+0x135/0x1d0
[  541.082067][ T7591]  ? do_recvmmsg+0x740/0x740
[  541.086680][ T7591]  ? find_held_lock+0x2d/0x110
[  541.091660][ T7591]  ? preempt_count_sub+0x150/0x150
[  541.096912][ T7591]  ? __fget_light+0x1fa/0x260
[  541.101625][ T7591]  __sys_sendmsg+0x117/0x1e0
[  541.106450][ T7591]  ? __sys_sendmsg_sock+0x30/0x30
[  541.111607][ T7591]  ? syscall_enter_from_user_mode+0x26/0x80
[  541.117620][ T7591]  do_syscall_64+0x3f/0x110
[  541.122256][ T7591]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  541.128172][ T7591] RIP: 0033:0x7fa730b27eb9
[  541.132698][ T7591] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  541.152514][ T7591] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  541.160962][ T7591] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  541.168969][ T7591] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  541.177420][ T7591] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  541.185440][ T7591] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  541.194245][ T7591] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  541.202462][ T7591]  </TASK>
[  541.207030][ T7591] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  541.268447][ T7591] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  541.291689][ T7591] CPU: 1 PID: 7591 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  541.303125][ T7591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  541.313220][ T7591] Call Trace:
[  541.316525][ T7591]  <TASK>
[  541.319479][ T7591]  dump_stack_lvl+0x125/0x1b0
[  541.324380][ T7591]  sysfs_warn_dup+0x7f/0xa0
[  541.328918][ T7591]  sysfs_create_dir_ns+0x247/0x2a0
[  541.334074][ T7591]  ? sysfs_create_mount_point+0xb0/0xb0
[  541.339657][ T7591]  ? spin_bug+0x1c0/0x1c0
[  541.344026][ T7591]  ? net_namespace+0x12/0x40
[  541.348649][ T7591]  ? device_namespace+0x8d/0xc0
[  541.353549][ T7591]  kobject_add_internal+0x2c8/0x960
[  541.358794][ T7591]  kobject_add+0x16f/0x240
[  541.363248][ T7591]  ? kset_create_and_add+0x190/0x190
[  541.368649][ T7591]  ? do_raw_spin_unlock+0x172/0x230
[  541.374402][ T7591]  ? kobject_put+0xbe/0x440
[  541.378948][ T7591]  ? device_add+0xc35/0x1aa0
[  541.383578][ T7591]  device_add+0x289/0x1aa0
[  541.388039][ T7591]  ? device_initialize+0x510/0x510
[  541.393361][ T7591]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  541.399305][ T7591]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  541.406202][ T7591]  ? __init_waitqueue_head+0xca/0x150
[  541.411884][ T7591]  netdev_register_kobject+0x183/0x3f0
[  541.417476][ T7591]  register_netdevice+0xbdf/0x14a0
[  541.422641][ T7591]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  541.428573][ T7591]  ? validate_linkmsg+0x6fc/0x9c0
[  541.433645][ T7591]  ? rtnl_create_link+0xa6d/0xfd0
[  541.438757][ T7591]  ? batadv_get_sset_count+0x40/0x40
[  541.444273][ T7591]  batadv_softif_newlink+0x70/0x90
[  541.449436][ T7591]  __rtnl_newlink+0x1173/0x1930
[  541.454366][ T7591]  ? rtnl_link_unregister+0x260/0x260
[  541.459911][ T7591]  rtnl_newlink+0x67/0xa0
[  541.464270][ T7591]  ? __rtnl_newlink+0x1930/0x1930
[  541.469324][ T7591]  rtnetlink_rcv_msg+0x3c7/0xe00
[  541.474290][ T7591]  ? rtnl_getlink+0xb40/0xb40
[  541.479082][ T7591]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  541.485123][ T7591]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  541.491141][ T7591]  ? __lock_acquire+0xc97/0x5dc0
[  541.496319][ T7591]  netlink_rcv_skb+0x16b/0x440
[  541.501221][ T7591]  ? rtnl_getlink+0xb40/0xb40
[  541.505946][ T7591]  ? netlink_ack+0x1370/0x1370
[  541.510850][ T7591]  ? lock_sync+0x180/0x180
[  541.515457][ T7591]  ? netlink_deliver_tap+0x1a0/0xd00
[  541.520790][ T7591]  ? _copy_from_iter+0x2c1/0x10f0
[  541.526121][ T7591]  netlink_unicast+0x53b/0x810
[  541.531182][ T7591]  ? netlink_attachskb+0x870/0x870
[  541.536430][ T7591]  ? __phys_addr_symbol+0x30/0x70
[  541.541528][ T7591]  ? __check_object_size+0x322/0x730
[  541.547055][ T7591]  netlink_sendmsg+0x939/0xe40
[  541.551862][ T7591]  ? netlink_unicast+0x810/0x810
[  541.557011][ T7591]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  541.562433][ T7591]  ? netlink_unicast+0x810/0x810
[  541.567425][ T7591]  __sock_sendmsg+0xd5/0x180
[  541.572241][ T7591]  ____sys_sendmsg+0x6ac/0x940
[  541.577137][ T7591]  ? copy_msghdr_from_user+0x10b/0x160
[  541.582635][ T7591]  ? kernel_sendmsg+0x50/0x50
[  541.587357][ T7591]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  541.593558][ T7591]  ___sys_sendmsg+0x135/0x1d0
[  541.598357][ T7591]  ? do_recvmmsg+0x740/0x740
[  541.602979][ T7591]  ? find_held_lock+0x2d/0x110
[  541.607790][ T7591]  ? preempt_count_sub+0x150/0x150
[  541.612949][ T7591]  ? __fget_light+0x1fa/0x260
[  541.617713][ T7591]  __sys_sendmsg+0x117/0x1e0
[  541.622344][ T7591]  ? __sys_sendmsg_sock+0x30/0x30
[  541.628117][ T7591]  ? syscall_enter_from_user_mode+0x26/0x80
[  541.634218][ T7591]  do_syscall_64+0x3f/0x110
[  541.638857][ T7591]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  541.644866][ T7591] RIP: 0033:0x7fa730b27eb9
[  541.649562][ T7591] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  541.669293][ T7591] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  541.677979][ T7591] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  541.686064][ T7591] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  541.694416][ T7591] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  541.702676][ T7591] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  541.710755][ T7591] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  541.718944][ T7591]  </TASK>
[  541.729383][ T7591] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  541.778074][ T7600] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  541.798942][ T7600] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  541.821892][ T7600] CPU: 0 PID: 7600 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  541.833255][ T7600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  541.843339][ T7600] Call Trace:
[  541.846655][ T7600]  <TASK>
[  541.849597][ T7600]  dump_stack_lvl+0x125/0x1b0
[  541.854340][ T7600]  sysfs_warn_dup+0x7f/0xa0
[  541.858966][ T7600]  sysfs_create_dir_ns+0x247/0x2a0
[  541.864118][ T7600]  ? sysfs_create_mount_point+0xb0/0xb0
[  541.869876][ T7600]  ? spin_bug+0x1c0/0x1c0
[  541.874347][ T7600]  ? net_namespace+0x12/0x40
[  541.879048][ T7600]  ? device_namespace+0x8d/0xc0
[  541.883939][ T7600]  kobject_add_internal+0x2c8/0x960
[  541.889285][ T7600]  kobject_add+0x16f/0x240
[  541.893750][ T7600]  ? kset_create_and_add+0x190/0x190
[  541.899084][ T7600]  ? do_raw_spin_unlock+0x172/0x230
[  541.904419][ T7600]  ? kobject_put+0xbe/0x440
[  541.908962][ T7600]  ? device_add+0xc35/0x1aa0
[  541.913593][ T7600]  device_add+0x289/0x1aa0
[  541.918047][ T7600]  ? device_initialize+0x510/0x510
[  541.923201][ T7600]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  541.929069][ T7600]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  541.935981][ T7600]  ? __init_waitqueue_head+0xca/0x150
[  541.941501][ T7600]  netdev_register_kobject+0x183/0x3f0
[  541.947282][ T7600]  register_netdevice+0xbdf/0x14a0
[  541.952578][ T7600]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  541.958859][ T7600]  ? team_nl_cmd_noop+0x280/0x280
[  541.963920][ T7600]  team_newlink+0x92/0x160
[  541.968382][ T7600]  ? team_nl_cmd_noop+0x280/0x280
[  541.973530][ T7600]  ? rtnl_create_link+0xa6d/0xfd0
[  541.978688][ T7600]  __rtnl_newlink+0x1173/0x1930
[  541.983708][ T7600]  ? rtnl_link_unregister+0x260/0x260
[  541.989673][ T7600]  rtnl_newlink+0x67/0xa0
[  541.994321][ T7600]  ? __rtnl_newlink+0x1930/0x1930
[  541.999383][ T7600]  rtnetlink_rcv_msg+0x3c7/0xe00
[  542.004374][ T7600]  ? rtnl_getlink+0xb40/0xb40
[  542.009524][ T7600]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  542.015801][ T7600]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  542.021822][ T7600]  ? __lock_acquire+0xc97/0x5dc0
[  542.026804][ T7600]  netlink_rcv_skb+0x16b/0x440
[  542.031602][ T7600]  ? rtnl_getlink+0xb40/0xb40
[  542.036393][ T7600]  ? netlink_ack+0x1370/0x1370
[  542.041184][ T7600]  ? lock_sync+0x180/0x180
[  542.045654][ T7600]  ? netlink_deliver_tap+0x1a0/0xd00
[  542.050974][ T7600]  ? _copy_from_iter+0x2c1/0x10f0
[  542.056042][ T7600]  netlink_unicast+0x53b/0x810
[  542.060934][ T7600]  ? netlink_attachskb+0x870/0x870
[  542.066079][ T7600]  ? __phys_addr_symbol+0x30/0x70
[  542.071238][ T7600]  ? __check_object_size+0x322/0x730
[  542.076892][ T7600]  netlink_sendmsg+0x939/0xe40
[  542.081778][ T7600]  ? netlink_unicast+0x810/0x810
[  542.086753][ T7600]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  542.092060][ T7600]  ? netlink_unicast+0x810/0x810
[  542.097029][ T7600]  __sock_sendmsg+0xd5/0x180
[  542.101655][ T7600]  ____sys_sendmsg+0x6ac/0x940
[  542.106454][ T7600]  ? copy_msghdr_from_user+0x10b/0x160
[  542.112040][ T7600]  ? kernel_sendmsg+0x50/0x50
[  542.116855][ T7600]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  542.122900][ T7600]  ___sys_sendmsg+0x135/0x1d0
[  542.127628][ T7600]  ? do_recvmmsg+0x740/0x740
[  542.132359][ T7600]  ? find_held_lock+0x2d/0x110
[  542.137200][ T7600]  ? preempt_count_sub+0x150/0x150
[  542.142475][ T7600]  ? __fget_light+0x1fa/0x260
[  542.147466][ T7600]  __sys_sendmsg+0x117/0x1e0
[  542.152175][ T7600]  ? __sys_sendmsg_sock+0x30/0x30
[  542.157442][ T7600]  ? syscall_enter_from_user_mode+0x26/0x80
[  542.163732][ T7600]  do_syscall_64+0x3f/0x110
[  542.168384][ T7600]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  542.174598][ T7600] RIP: 0033:0x7fa730b27eb9
[  542.179240][ T7600] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  542.198921][ T7600] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  542.208264][ T7600] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  542.216439][ T7600] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  542.224541][ T7600] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  542.232752][ T7600] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  542.240755][ T7600] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  542.248785][ T7600]  </TASK>
[  542.290633][ T7600] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  542.328313][ T7600] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  542.349784][ T7600] CPU: 0 PID: 7600 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  542.361131][ T7600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  542.371292][ T7600] Call Trace:
[  542.374578][ T7600]  <TASK>
[  542.377605][ T7600]  dump_stack_lvl+0x125/0x1b0
[  542.382308][ T7600]  sysfs_warn_dup+0x7f/0xa0
[  542.386849][ T7600]  sysfs_create_dir_ns+0x247/0x2a0
[  542.392177][ T7600]  ? sysfs_create_mount_point+0xb0/0xb0
[  542.397759][ T7600]  ? spin_bug+0x1c0/0x1c0
[  542.402160][ T7600]  ? net_namespace+0x12/0x40
[  542.406764][ T7600]  ? device_namespace+0x8d/0xc0
[  542.411743][ T7600]  kobject_add_internal+0x2c8/0x960
[  542.417693][ T7600]  kobject_add+0x16f/0x240
[  542.422317][ T7600]  ? kset_create_and_add+0x190/0x190
[  542.427975][ T7600]  ? do_raw_spin_unlock+0x172/0x230
[  542.433921][ T7600]  ? kobject_put+0xbe/0x440
[  542.438513][ T7600]  ? device_add+0xc35/0x1aa0
[  542.443126][ T7600]  device_add+0x289/0x1aa0
[  542.447552][ T7600]  ? device_initialize+0x510/0x510
[  542.452667][ T7600]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  542.458658][ T7600]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  542.465694][ T7600]  ? __init_waitqueue_head+0xca/0x150
[  542.471257][ T7600]  netdev_register_kobject+0x183/0x3f0
[  542.476854][ T7600]  register_netdevice+0xbdf/0x14a0
[  542.482020][ T7600]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  542.487938][ T7600]  ? validate_linkmsg+0x6fc/0x9c0
[  542.493173][ T7600]  ? rtnl_create_link+0xa6d/0xfd0
[  542.498308][ T7600]  ? batadv_get_sset_count+0x40/0x40
[  542.503637][ T7600]  batadv_softif_newlink+0x70/0x90
[  542.508799][ T7600]  __rtnl_newlink+0x1173/0x1930
[  542.513690][ T7600]  ? rtnl_link_unregister+0x260/0x260
[  542.519112][ T7600]  rtnl_newlink+0x67/0xa0
[  542.523458][ T7600]  ? __rtnl_newlink+0x1930/0x1930
[  542.528749][ T7600]  rtnetlink_rcv_msg+0x3c7/0xe00
[  542.533784][ T7600]  ? rtnl_getlink+0xb40/0xb40
[  542.538477][ T7600]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  542.544473][ T7600]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  542.550731][ T7600]  ? __lock_acquire+0xc97/0x5dc0
[  542.555686][ T7600]  netlink_rcv_skb+0x16b/0x440
[  542.560460][ T7600]  ? rtnl_getlink+0xb40/0xb40
[  542.565247][ T7600]  ? netlink_ack+0x1370/0x1370
[  542.570027][ T7600]  ? lock_sync+0x180/0x180
[  542.574499][ T7600]  ? netlink_deliver_tap+0x1a0/0xd00
[  542.580150][ T7600]  ? _copy_from_iter+0x2c1/0x10f0
[  542.585290][ T7600]  netlink_unicast+0x53b/0x810
[  542.590244][ T7600]  ? netlink_attachskb+0x870/0x870
[  542.595362][ T7600]  ? __phys_addr_symbol+0x30/0x70
[  542.600566][ T7600]  ? __check_object_size+0x322/0x730
[  542.605860][ T7600]  netlink_sendmsg+0x939/0xe40
[  542.610646][ T7600]  ? netlink_unicast+0x810/0x810
[  542.615597][ T7600]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  542.620892][ T7600]  ? netlink_unicast+0x810/0x810
[  542.625942][ T7600]  __sock_sendmsg+0xd5/0x180
[  542.630554][ T7600]  ____sys_sendmsg+0x6ac/0x940
[  542.635416][ T7600]  ? copy_msghdr_from_user+0x10b/0x160
[  542.641149][ T7600]  ? kernel_sendmsg+0x50/0x50
[  542.645838][ T7600]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  542.651930][ T7600]  ___sys_sendmsg+0x135/0x1d0
[  542.656706][ T7600]  ? do_recvmmsg+0x740/0x740
[  542.661300][ T7600]  ? find_held_lock+0x2d/0x110
[  542.666173][ T7600]  ? preempt_count_sub+0x150/0x150
[  542.671747][ T7600]  ? __fget_light+0x1fa/0x260
[  542.676826][ T7600]  __sys_sendmsg+0x117/0x1e0
[  542.681437][ T7600]  ? __sys_sendmsg_sock+0x30/0x30
[  542.686937][ T7600]  ? syscall_enter_from_user_mode+0x26/0x80
[  542.692935][ T7600]  do_syscall_64+0x3f/0x110
[  542.697462][ T7600]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  542.703392][ T7600] RIP: 0033:0x7fa730b27eb9
[  542.708073][ T7600] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  542.728043][ T7600] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  542.736524][ T7600] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  542.744497][ T7600] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  542.752474][ T7600] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  542.760739][ T7600] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  542.768904][ T7600] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  542.777080][ T7600]  </TASK>
[  542.781865][ T7600] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  542.864021][ T7607] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  542.881334][ T7607] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  542.894483][ T7607] CPU: 0 PID: 7607 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  542.911045][ T7607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  542.921383][ T7607] Call Trace:
[  542.924935][ T7607]  <TASK>
[  542.928045][ T7607]  dump_stack_lvl+0x125/0x1b0
[  542.932830][ T7607]  sysfs_warn_dup+0x7f/0xa0
[  542.937475][ T7607]  sysfs_create_dir_ns+0x247/0x2a0
[  542.942615][ T7607]  ? sysfs_create_mount_point+0xb0/0xb0
[  542.948544][ T7607]  ? spin_bug+0x1c0/0x1c0
[  542.953152][ T7607]  ? net_namespace+0x12/0x40
[  542.957768][ T7607]  ? device_namespace+0x8d/0xc0
[  542.962847][ T7607]  kobject_add_internal+0x2c8/0x960
[  542.968557][ T7607]  kobject_add+0x16f/0x240
[  542.973187][ T7607]  ? kset_create_and_add+0x190/0x190
[  542.979370][ T7607]  ? do_raw_spin_unlock+0x172/0x230
[  542.984692][ T7607]  ? kobject_put+0xbe/0x440
[  542.989303][ T7607]  ? device_add+0xc35/0x1aa0
[  542.994151][ T7607]  device_add+0x289/0x1aa0
[  542.998950][ T7607]  ? device_initialize+0x510/0x510
[  543.004510][ T7607]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  543.010607][ T7607]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  543.017513][ T7607]  ? __init_waitqueue_head+0xca/0x150
[  543.023041][ T7607]  netdev_register_kobject+0x183/0x3f0
[  543.028894][ T7607]  register_netdevice+0xbdf/0x14a0
[  543.034319][ T7607]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  543.040549][ T7607]  ? team_nl_cmd_noop+0x280/0x280
[  543.045713][ T7607]  team_newlink+0x92/0x160
[  543.050210][ T7607]  ? team_nl_cmd_noop+0x280/0x280
[  543.055632][ T7607]  ? rtnl_create_link+0xa6d/0xfd0
[  543.060709][ T7607]  __rtnl_newlink+0x1173/0x1930
[  543.065679][ T7607]  ? rtnl_link_unregister+0x260/0x260
[  543.071095][ T7607]  rtnl_newlink+0x67/0xa0
[  543.075440][ T7607]  ? __rtnl_newlink+0x1930/0x1930
[  543.080956][ T7607]  rtnetlink_rcv_msg+0x3c7/0xe00
[  543.086119][ T7607]  ? rtnl_getlink+0xb40/0xb40
[  543.091073][ T7607]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  543.097204][ T7607]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  543.103267][ T7607]  ? __lock_acquire+0xc97/0x5dc0
[  543.108527][ T7607]  netlink_rcv_skb+0x16b/0x440
[  543.113951][ T7607]  ? rtnl_getlink+0xb40/0xb40
[  543.118651][ T7607]  ? netlink_ack+0x1370/0x1370
[  543.123437][ T7607]  ? lock_sync+0x180/0x180
[  543.127901][ T7607]  ? netlink_deliver_tap+0x1a0/0xd00
[  543.133298][ T7607]  ? _copy_from_iter+0x2c1/0x10f0
[  543.138431][ T7607]  netlink_unicast+0x53b/0x810
[  543.143395][ T7607]  ? netlink_attachskb+0x870/0x870
[  543.148742][ T7607]  ? __phys_addr_symbol+0x30/0x70
[  543.153792][ T7607]  ? __check_object_size+0x322/0x730
[  543.159106][ T7607]  netlink_sendmsg+0x939/0xe40
[  543.164077][ T7607]  ? netlink_unicast+0x810/0x810
[  543.169208][ T7607]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  543.174700][ T7607]  ? netlink_unicast+0x810/0x810
[  543.179656][ T7607]  __sock_sendmsg+0xd5/0x180
[  543.184672][ T7607]  ____sys_sendmsg+0x6ac/0x940
[  543.189707][ T7607]  ? copy_msghdr_from_user+0x10b/0x160
[  543.195172][ T7607]  ? kernel_sendmsg+0x50/0x50
[  543.199861][ T7607]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  543.206039][ T7607]  ___sys_sendmsg+0x135/0x1d0
[  543.210730][ T7607]  ? do_recvmmsg+0x740/0x740
[  543.215333][ T7607]  ? find_held_lock+0x2d/0x110
[  543.220297][ T7607]  ? preempt_count_sub+0x150/0x150
[  543.225791][ T7607]  ? __fget_light+0x1fa/0x260
[  543.230577][ T7607]  __sys_sendmsg+0x117/0x1e0
[  543.235186][ T7607]  ? __sys_sendmsg_sock+0x30/0x30
[  543.240500][ T7607]  ? syscall_enter_from_user_mode+0x26/0x80
[  543.246500][ T7607]  do_syscall_64+0x3f/0x110
[  543.251026][ T7607]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  543.257229][ T7607] RIP: 0033:0x7fa730b27eb9
[  543.261824][ T7607] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  543.281875][ T7607] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  543.290305][ T7607] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  543.300017][ T7607] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  543.308168][ T7607] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  543.316227][ T7607] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  543.324199][ T7607] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  543.334272][ T7607]  </TASK>
[  543.351895][ T7607] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  543.389920][ T7607] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  543.409268][ T7607] CPU: 0 PID: 7607 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  543.420794][ T7607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  543.431148][ T7607] Call Trace:
[  543.434446][ T7607]  <TASK>
[  543.437391][ T7607]  dump_stack_lvl+0x125/0x1b0
[  543.442128][ T7607]  sysfs_warn_dup+0x7f/0xa0
[  543.446651][ T7607]  sysfs_create_dir_ns+0x247/0x2a0
[  543.451865][ T7607]  ? sysfs_create_mount_point+0xb0/0xb0
[  543.457453][ T7607]  ? spin_bug+0x1c0/0x1c0
[  543.461828][ T7607]  ? net_namespace+0x12/0x40
[  543.466471][ T7607]  ? device_namespace+0x8d/0xc0
[  543.471363][ T7607]  kobject_add_internal+0x2c8/0x960
[  543.476622][ T7607]  kobject_add+0x16f/0x240
[  543.481079][ T7607]  ? kset_create_and_add+0x190/0x190
[  543.486416][ T7607]  ? do_raw_spin_unlock+0x172/0x230
[  543.491648][ T7607]  ? kobject_put+0xbe/0x440
[  543.496267][ T7607]  ? device_add+0xc35/0x1aa0
[  543.500890][ T7607]  device_add+0x289/0x1aa0
[  543.505338][ T7607]  ? device_initialize+0x510/0x510
[  543.510743][ T7607]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  543.517107][ T7607]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  543.524089][ T7607]  ? __init_waitqueue_head+0xca/0x150
[  543.529503][ T7607]  netdev_register_kobject+0x183/0x3f0
[  543.535355][ T7607]  register_netdevice+0xbdf/0x14a0
[  543.540692][ T7607]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  543.547322][ T7607]  ? validate_linkmsg+0x6fc/0x9c0
[  543.552407][ T7607]  ? rtnl_create_link+0xa6d/0xfd0
[  543.557496][ T7607]  ? batadv_get_sset_count+0x40/0x40
[  543.563118][ T7607]  batadv_softif_newlink+0x70/0x90
[  543.568463][ T7607]  __rtnl_newlink+0x1173/0x1930
[  543.573553][ T7607]  ? rtnl_link_unregister+0x260/0x260
[  543.579260][ T7607]  rtnl_newlink+0x67/0xa0
[  543.584029][ T7607]  ? __rtnl_newlink+0x1930/0x1930
[  543.590189][ T7607]  rtnetlink_rcv_msg+0x3c7/0xe00
[  543.595248][ T7607]  ? rtnl_getlink+0xb40/0xb40
[  543.599954][ T7607]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  543.606238][ T7607]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  543.612356][ T7607]  ? __lock_acquire+0xc97/0x5dc0
[  543.617462][ T7607]  netlink_rcv_skb+0x16b/0x440
[  543.622283][ T7607]  ? rtnl_getlink+0xb40/0xb40
[  543.626993][ T7607]  ? netlink_ack+0x1370/0x1370
[  543.631897][ T7607]  ? lock_sync+0x180/0x180
[  543.636571][ T7607]  ? netlink_deliver_tap+0x1a0/0xd00
[  543.641906][ T7607]  ? _copy_from_iter+0x2c1/0x10f0
[  543.647001][ T7607]  netlink_unicast+0x53b/0x810
[  543.651918][ T7607]  ? netlink_attachskb+0x870/0x870
[  543.657245][ T7607]  ? __phys_addr_symbol+0x30/0x70
[  543.662396][ T7607]  ? __check_object_size+0x322/0x730
[  543.667727][ T7607]  netlink_sendmsg+0x939/0xe40
[  543.672555][ T7607]  ? netlink_unicast+0x810/0x810
[  543.677549][ T7607]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  543.683485][ T7607]  ? netlink_unicast+0x810/0x810
[  543.688687][ T7607]  __sock_sendmsg+0xd5/0x180
[  543.693616][ T7607]  ____sys_sendmsg+0x6ac/0x940
[  543.698513][ T7607]  ? copy_msghdr_from_user+0x10b/0x160
[  543.704104][ T7607]  ? kernel_sendmsg+0x50/0x50
[  543.709006][ T7607]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  543.715067][ T7607]  ___sys_sendmsg+0x135/0x1d0
[  543.719872][ T7607]  ? do_recvmmsg+0x740/0x740
[  543.724574][ T7607]  ? find_held_lock+0x2d/0x110
[  543.729466][ T7607]  ? preempt_count_sub+0x150/0x150
[  543.734621][ T7607]  ? __fget_light+0x1fa/0x260
[  543.739349][ T7607]  __sys_sendmsg+0x117/0x1e0
[  543.744323][ T7607]  ? __sys_sendmsg_sock+0x30/0x30
[  543.749486][ T7607]  ? syscall_enter_from_user_mode+0x26/0x80
[  543.755423][ T7607]  do_syscall_64+0x3f/0x110
[  543.759973][ T7607]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  543.765915][ T7607] RIP: 0033:0x7fa730b27eb9
[  543.770364][ T7607] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  543.790813][ T7607] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  543.799359][ T7607] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  543.807518][ T7607] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  543.816045][ T7607] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  543.824272][ T7607] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  543.832366][ T7607] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  543.840380][ T7607]  </TASK>
[  543.871706][ T7607] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  543.945998][ T7616] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  543.965693][ T7616] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  543.987104][ T7616] CPU: 0 PID: 7616 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  543.998638][ T7616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  544.008732][ T7616] Call Trace:
[  544.012034][ T7616]  <TASK>
[  544.014986][ T7616]  dump_stack_lvl+0x125/0x1b0
[  544.019713][ T7616]  sysfs_warn_dup+0x7f/0xa0
[  544.024255][ T7616]  sysfs_create_dir_ns+0x247/0x2a0
[  544.029834][ T7616]  ? sysfs_create_mount_point+0xb0/0xb0
[  544.035503][ T7616]  ? spin_bug+0x1c0/0x1c0
[  544.039958][ T7616]  ? net_namespace+0x12/0x40
[  544.044676][ T7616]  ? device_namespace+0x8d/0xc0
[  544.049566][ T7616]  kobject_add_internal+0x2c8/0x960
[  544.054818][ T7616]  kobject_add+0x16f/0x240
[  544.059274][ T7616]  ? kset_create_and_add+0x190/0x190
[  544.064598][ T7616]  ? do_raw_spin_unlock+0x172/0x230
[  544.069826][ T7616]  ? kobject_put+0xbe/0x440
[  544.074358][ T7616]  ? device_add+0xc35/0x1aa0
[  544.078959][ T7616]  device_add+0x289/0x1aa0
[  544.083560][ T7616]  ? device_initialize+0x510/0x510
[  544.088853][ T7616]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  544.094756][ T7616]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  544.101704][ T7616]  ? __init_waitqueue_head+0xca/0x150
[  544.107274][ T7616]  netdev_register_kobject+0x183/0x3f0
[  544.112854][ T7616]  register_netdevice+0xbdf/0x14a0
[  544.118006][ T7616]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  544.124014][ T7616]  ? team_nl_cmd_noop+0x280/0x280
[  544.129242][ T7616]  team_newlink+0x92/0x160
[  544.133859][ T7616]  ? team_nl_cmd_noop+0x280/0x280
[  544.138903][ T7616]  ? rtnl_create_link+0xa6d/0xfd0
[  544.144123][ T7616]  __rtnl_newlink+0x1173/0x1930
[  544.149168][ T7616]  ? rtnl_link_unregister+0x260/0x260
[  544.154679][ T7616]  rtnl_newlink+0x67/0xa0
[  544.159276][ T7616]  ? __rtnl_newlink+0x1930/0x1930
[  544.164448][ T7616]  rtnetlink_rcv_msg+0x3c7/0xe00
[  544.169596][ T7616]  ? rtnl_getlink+0xb40/0xb40
[  544.174301][ T7616]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  544.180955][ T7616]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  544.187520][ T7616]  ? __lock_acquire+0xc97/0x5dc0
[  544.192852][ T7616]  netlink_rcv_skb+0x16b/0x440
[  544.197670][ T7616]  ? rtnl_getlink+0xb40/0xb40
[  544.202388][ T7616]  ? netlink_ack+0x1370/0x1370
[  544.207260][ T7616]  ? lock_sync+0x180/0x180
[  544.211737][ T7616]  ? netlink_deliver_tap+0x1a0/0xd00
[  544.217140][ T7616]  ? _copy_from_iter+0x2c1/0x10f0
[  544.222352][ T7616]  netlink_unicast+0x53b/0x810
[  544.227263][ T7616]  ? netlink_attachskb+0x870/0x870
[  544.232425][ T7616]  ? __phys_addr_symbol+0x30/0x70
[  544.237666][ T7616]  ? __check_object_size+0x322/0x730
[  544.243588][ T7616]  netlink_sendmsg+0x939/0xe40
[  544.248481][ T7616]  ? netlink_unicast+0x810/0x810
[  544.253669][ T7616]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  544.259086][ T7616]  ? netlink_unicast+0x810/0x810
[  544.264052][ T7616]  __sock_sendmsg+0xd5/0x180
[  544.268829][ T7616]  ____sys_sendmsg+0x6ac/0x940
[  544.273949][ T7616]  ? copy_msghdr_from_user+0x10b/0x160
[  544.279516][ T7616]  ? kernel_sendmsg+0x50/0x50
[  544.284471][ T7616]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  544.291095][ T7616]  ___sys_sendmsg+0x135/0x1d0
[  544.295818][ T7616]  ? do_recvmmsg+0x740/0x740
[  544.300602][ T7616]  ? find_held_lock+0x2d/0x110
[  544.305636][ T7616]  ? preempt_count_sub+0x150/0x150
[  544.311072][ T7616]  ? __fget_light+0x1fa/0x260
[  544.316161][ T7616]  __sys_sendmsg+0x117/0x1e0
[  544.320790][ T7616]  ? __sys_sendmsg_sock+0x30/0x30
[  544.325845][ T7616]  ? syscall_enter_from_user_mode+0x26/0x80
[  544.331762][ T7616]  do_syscall_64+0x3f/0x110
[  544.336544][ T7616]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  544.342447][ T7616] RIP: 0033:0x7fa730b27eb9
[  544.346867][ T7616] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  544.367020][ T7616] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  544.375627][ T7616] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  544.383778][ T7616] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  544.391926][ T7616] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  544.400152][ T7616] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  544.408134][ T7616] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  544.416665][ T7616]  </TASK>
[  544.421526][ T7616] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  544.470997][ T7616] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  544.487606][ T7616] CPU: 1 PID: 7616 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  544.499148][ T7616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  544.509314][ T7616] Call Trace:
[  544.512699][ T7616]  <TASK>
[  544.515737][ T7616]  dump_stack_lvl+0x125/0x1b0
[  544.520557][ T7616]  sysfs_warn_dup+0x7f/0xa0
[  544.525273][ T7616]  sysfs_create_dir_ns+0x247/0x2a0
[  544.530412][ T7616]  ? sysfs_create_mount_point+0xb0/0xb0
[  544.536089][ T7616]  ? spin_bug+0x1c0/0x1c0
[  544.540642][ T7616]  ? net_namespace+0x12/0x40
[  544.545265][ T7616]  ? device_namespace+0x8d/0xc0
[  544.550176][ T7616]  kobject_add_internal+0x2c8/0x960
[  544.555708][ T7616]  kobject_add+0x16f/0x240
[  544.560207][ T7616]  ? kset_create_and_add+0x190/0x190
[  544.568250][ T7616]  ? do_raw_spin_unlock+0x172/0x230
[  544.573513][ T7616]  ? kobject_put+0xbe/0x440
[  544.578090][ T7616]  ? device_add+0xc35/0x1aa0
[  544.583014][ T7616]  device_add+0x289/0x1aa0
[  544.587808][ T7616]  ? device_initialize+0x510/0x510
[  544.593295][ T7616]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  544.600455][ T7616]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  544.607797][ T7616]  ? __init_waitqueue_head+0xca/0x150
[  544.613312][ T7616]  netdev_register_kobject+0x183/0x3f0
[  544.618828][ T7616]  register_netdevice+0xbdf/0x14a0
[  544.623985][ T7616]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  544.629998][ T7616]  ? validate_linkmsg+0x6fc/0x9c0
[  544.635253][ T7616]  ? rtnl_create_link+0xa6d/0xfd0
[  544.640417][ T7616]  ? batadv_get_sset_count+0x40/0x40
[  544.645751][ T7616]  batadv_softif_newlink+0x70/0x90
[  544.650902][ T7616]  __rtnl_newlink+0x1173/0x1930
[  544.655794][ T7616]  ? rtnl_link_unregister+0x260/0x260
[  544.661247][ T7616]  rtnl_newlink+0x67/0xa0
[  544.666053][ T7616]  ? __rtnl_newlink+0x1930/0x1930
[  544.671623][ T7616]  rtnetlink_rcv_msg+0x3c7/0xe00
[  544.676848][ T7616]  ? rtnl_getlink+0xb40/0xb40
[  544.682087][ T7616]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  544.688308][ T7616]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  544.694329][ T7616]  ? __lock_acquire+0xc97/0x5dc0
[  544.699310][ T7616]  netlink_rcv_skb+0x16b/0x440
[  544.704112][ T7616]  ? rtnl_getlink+0xb40/0xb40
[  544.709181][ T7616]  ? netlink_ack+0x1370/0x1370
[  544.713987][ T7616]  ? lock_sync+0x180/0x180
[  544.718450][ T7616]  ? netlink_deliver_tap+0x1a0/0xd00
[  544.723858][ T7616]  ? _copy_from_iter+0x2c1/0x10f0
[  544.729353][ T7616]  netlink_unicast+0x53b/0x810
[  544.734149][ T7616]  ? netlink_attachskb+0x870/0x870
[  544.739550][ T7616]  ? __phys_addr_symbol+0x30/0x70
[  544.744690][ T7616]  ? __check_object_size+0x322/0x730
[  544.750182][ T7616]  netlink_sendmsg+0x939/0xe40
[  544.754980][ T7616]  ? netlink_unicast+0x810/0x810
[  544.760036][ T7616]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  544.765442][ T7616]  ? netlink_unicast+0x810/0x810
[  544.770492][ T7616]  __sock_sendmsg+0xd5/0x180
[  544.775110][ T7616]  ____sys_sendmsg+0x6ac/0x940
[  544.779985][ T7616]  ? copy_msghdr_from_user+0x10b/0x160
[  544.785466][ T7616]  ? kernel_sendmsg+0x50/0x50
[  544.790343][ T7616]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  544.796803][ T7616]  ___sys_sendmsg+0x135/0x1d0
[  544.801511][ T7616]  ? do_recvmmsg+0x740/0x740
[  544.806135][ T7616]  ? find_held_lock+0x2d/0x110
[  544.811118][ T7616]  ? preempt_count_sub+0x150/0x150
[  544.816273][ T7616]  ? __fget_light+0x1fa/0x260
[  544.820990][ T7616]  __sys_sendmsg+0x117/0x1e0
[  544.825627][ T7616]  ? __sys_sendmsg_sock+0x30/0x30
[  544.830752][ T7616]  ? syscall_enter_from_user_mode+0x26/0x80
[  544.836790][ T7616]  do_syscall_64+0x3f/0x110
[  544.841869][ T7616]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  544.848064][ T7616] RIP: 0033:0x7fa730b27eb9
[  544.852511][ T7616] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  544.872908][ T7616] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  544.883971][ T7616] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  544.891977][ T7616] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  544.900073][ T7616] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  544.908745][ T7616] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  544.916853][ T7616] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  544.925310][ T7616]  </TASK>
[  544.948908][ T7616] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  545.022184][ T7619] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  545.043568][ T7619] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  545.055070][ T7619] CPU: 1 PID: 7619 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  545.067191][ T7619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  545.077388][ T7619] Call Trace:
[  545.080875][ T7619]  <TASK>
[  545.083856][ T7619]  dump_stack_lvl+0x125/0x1b0
[  545.088844][ T7619]  sysfs_warn_dup+0x7f/0xa0
[  545.093410][ T7619]  sysfs_create_dir_ns+0x247/0x2a0
[  545.098569][ T7619]  ? sysfs_create_mount_point+0xb0/0xb0
[  545.104146][ T7619]  ? spin_bug+0x1c0/0x1c0
[  545.108704][ T7619]  ? net_namespace+0x12/0x40
[  545.113417][ T7619]  ? device_namespace+0x8d/0xc0
[  545.118325][ T7619]  kobject_add_internal+0x2c8/0x960
[  545.123591][ T7619]  kobject_add+0x16f/0x240
[  545.128071][ T7619]  ? kset_create_and_add+0x190/0x190
[  545.133640][ T7619]  ? do_raw_spin_unlock+0x172/0x230
[  545.138899][ T7619]  ? kobject_put+0xbe/0x440
[  545.143463][ T7619]  ? device_add+0xc35/0x1aa0
[  545.148283][ T7619]  device_add+0x289/0x1aa0
[  545.152748][ T7619]  ? device_initialize+0x510/0x510
[  545.157990][ T7619]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  545.164028][ T7619]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  545.170946][ T7619]  ? __init_waitqueue_head+0xca/0x150
[  545.176389][ T7619]  netdev_register_kobject+0x183/0x3f0
[  545.182016][ T7619]  register_netdevice+0xbdf/0x14a0
[  545.187446][ T7619]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  545.193761][ T7619]  ? team_nl_cmd_noop+0x280/0x280
[  545.199283][ T7619]  team_newlink+0x92/0x160
[  545.204028][ T7619]  ? team_nl_cmd_noop+0x280/0x280
[  545.209290][ T7619]  ? rtnl_create_link+0xa6d/0xfd0
[  545.215863][ T7619]  __rtnl_newlink+0x1173/0x1930
[  545.220968][ T7619]  ? rtnl_link_unregister+0x260/0x260
[  545.226423][ T7619]  rtnl_newlink+0x67/0xa0
[  545.230977][ T7619]  ? __rtnl_newlink+0x1930/0x1930
[  545.236039][ T7619]  rtnetlink_rcv_msg+0x3c7/0xe00
[  545.241193][ T7619]  ? rtnl_getlink+0xb40/0xb40
[  545.246090][ T7619]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  545.252478][ T7619]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  545.258514][ T7619]  ? __lock_acquire+0xc97/0x5dc0
[  545.263704][ T7619]  netlink_rcv_skb+0x16b/0x440
[  545.268517][ T7619]  ? rtnl_getlink+0xb40/0xb40
[  545.273326][ T7619]  ? netlink_ack+0x1370/0x1370
[  545.278143][ T7619]  ? lock_sync+0x180/0x180
[  545.282635][ T7619]  ? netlink_deliver_tap+0x1a0/0xd00
[  545.287975][ T7619]  ? _copy_from_iter+0x2c1/0x10f0
[  545.293056][ T7619]  netlink_unicast+0x53b/0x810
[  545.297871][ T7619]  ? netlink_attachskb+0x870/0x870
[  545.303050][ T7619]  ? __phys_addr_symbol+0x30/0x70
[  545.308115][ T7619]  ? __check_object_size+0x322/0x730
[  545.313446][ T7619]  netlink_sendmsg+0x939/0xe40
[  545.318352][ T7619]  ? netlink_unicast+0x810/0x810
[  545.323445][ T7619]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  545.328771][ T7619]  ? netlink_unicast+0x810/0x810
[  545.333882][ T7619]  __sock_sendmsg+0xd5/0x180
[  545.338613][ T7619]  ____sys_sendmsg+0x6ac/0x940
[  545.343453][ T7619]  ? copy_msghdr_from_user+0x10b/0x160
[  545.349039][ T7619]  ? kernel_sendmsg+0x50/0x50
[  545.353775][ T7619]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  545.359916][ T7619]  ___sys_sendmsg+0x135/0x1d0
[  545.364755][ T7619]  ? do_recvmmsg+0x740/0x740
[  545.369399][ T7619]  ? find_held_lock+0x2d/0x110
[  545.374570][ T7619]  ? preempt_count_sub+0x150/0x150
[  545.379938][ T7619]  ? __fget_light+0x1fa/0x260
[  545.384708][ T7619]  __sys_sendmsg+0x117/0x1e0
[  545.389432][ T7619]  ? __sys_sendmsg_sock+0x30/0x30
[  545.394523][ T7619]  ? syscall_enter_from_user_mode+0x26/0x80
[  545.400586][ T7619]  do_syscall_64+0x3f/0x110
[  545.405316][ T7619]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  545.411428][ T7619] RIP: 0033:0x7fa730b27eb9
[  545.415885][ T7619] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  545.436159][ T7619] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  545.444738][ T7619] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  545.452915][ T7619] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  545.461007][ T7619] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  545.469092][ T7619] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  545.477529][ T7619] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  545.485807][ T7619]  </TASK>
[  545.494095][ T7619] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  545.523827][ T7619] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  545.540712][ T7619] CPU: 1 PID: 7619 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  545.552441][ T7619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  545.562803][ T7619] Call Trace:
[  545.566108][ T7619]  <TASK>
[  545.569072][ T7619]  dump_stack_lvl+0x125/0x1b0
[  545.573804][ T7619]  sysfs_warn_dup+0x7f/0xa0
[  545.578353][ T7619]  sysfs_create_dir_ns+0x247/0x2a0
[  545.583588][ T7619]  ? sysfs_create_mount_point+0xb0/0xb0
[  545.589175][ T7619]  ? spin_bug+0x1c0/0x1c0
[  545.593553][ T7619]  ? net_namespace+0x12/0x40
[  545.598442][ T7619]  ? device_namespace+0x8d/0xc0
[  545.603561][ T7619]  kobject_add_internal+0x2c8/0x960
[  545.608823][ T7619]  kobject_add+0x16f/0x240
[  545.613478][ T7619]  ? kset_create_and_add+0x190/0x190
[  545.618904][ T7619]  ? do_raw_spin_unlock+0x172/0x230
[  545.624159][ T7619]  ? kobject_put+0xbe/0x440
[  545.628801][ T7619]  ? device_add+0xc35/0x1aa0
[  545.633433][ T7619]  device_add+0x289/0x1aa0
[  545.638026][ T7619]  ? device_initialize+0x510/0x510
[  545.643342][ T7619]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  545.649275][ T7619]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  545.656271][ T7619]  ? __init_waitqueue_head+0xca/0x150
[  545.661712][ T7619]  netdev_register_kobject+0x183/0x3f0
[  545.667238][ T7619]  register_netdevice+0xbdf/0x14a0
[  545.673028][ T7619]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  545.679156][ T7619]  ? validate_linkmsg+0x6fc/0x9c0
[  545.685037][ T7619]  ? rtnl_create_link+0xa6d/0xfd0
[  545.690290][ T7619]  ? batadv_get_sset_count+0x40/0x40
[  545.695805][ T7619]  batadv_softif_newlink+0x70/0x90
[  545.700971][ T7619]  __rtnl_newlink+0x1173/0x1930
[  545.705871][ T7619]  ? rtnl_link_unregister+0x260/0x260
[  545.711414][ T7619]  rtnl_newlink+0x67/0xa0
[  545.715949][ T7619]  ? __rtnl_newlink+0x1930/0x1930
[  545.721187][ T7619]  rtnetlink_rcv_msg+0x3c7/0xe00
[  545.726172][ T7619]  ? rtnl_getlink+0xb40/0xb40
[  545.730897][ T7619]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  545.736930][ T7619]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  545.743140][ T7619]  ? __lock_acquire+0xc97/0x5dc0
[  545.748402][ T7619]  netlink_rcv_skb+0x16b/0x440
[  545.753218][ T7619]  ? rtnl_getlink+0xb40/0xb40
[  545.757951][ T7619]  ? netlink_ack+0x1370/0x1370
[  545.763114][ T7619]  ? lock_sync+0x180/0x180
[  545.767698][ T7619]  ? netlink_deliver_tap+0x1a0/0xd00
[  545.773023][ T7619]  ? _copy_from_iter+0x2c1/0x10f0
[  545.778130][ T7619]  netlink_unicast+0x53b/0x810
[  545.783149][ T7619]  ? netlink_attachskb+0x870/0x870
[  545.788351][ T7619]  ? __phys_addr_symbol+0x30/0x70
[  545.793435][ T7619]  ? __check_object_size+0x322/0x730
[  545.798768][ T7619]  netlink_sendmsg+0x939/0xe40
[  545.803770][ T7619]  ? netlink_unicast+0x810/0x810
[  545.809201][ T7619]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  545.814900][ T7619]  ? netlink_unicast+0x810/0x810
[  545.819890][ T7619]  __sock_sendmsg+0xd5/0x180
[  545.824695][ T7619]  ____sys_sendmsg+0x6ac/0x940
[  545.829679][ T7619]  ? copy_msghdr_from_user+0x10b/0x160
[  545.835360][ T7619]  ? kernel_sendmsg+0x50/0x50
[  545.840187][ T7619]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  545.846414][ T7619]  ___sys_sendmsg+0x135/0x1d0
[  545.852459][ T7619]  ? do_recvmmsg+0x740/0x740
[  545.857217][ T7619]  ? find_held_lock+0x2d/0x110
[  545.862023][ T7619]  ? preempt_count_sub+0x150/0x150
[  545.867145][ T7619]  ? __fget_light+0x1fa/0x260
[  545.872025][ T7619]  __sys_sendmsg+0x117/0x1e0
[  545.876817][ T7619]  ? __sys_sendmsg_sock+0x30/0x30
[  545.882208][ T7619]  ? syscall_enter_from_user_mode+0x26/0x80
[  545.888300][ T7619]  do_syscall_64+0x3f/0x110
[  545.892886][ T7619]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  545.899113][ T7619] RIP: 0033:0x7fa730b27eb9
[  545.903568][ T7619] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  545.923794][ T7619] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  545.932551][ T7619] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  545.940899][ T7619] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  545.948883][ T7619] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  545.956880][ T7619] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  545.965143][ T7619] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  545.973395][ T7619]  </TASK>
[  545.989675][ T7619] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  546.043783][ T7636] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  546.074406][ T7636] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  546.093088][ T7636] CPU: 1 PID: 7636 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  546.104659][ T7636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  546.114838][ T7636] Call Trace:
[  546.118138][ T7636]  <TASK>
[  546.121083][ T7636]  dump_stack_lvl+0x125/0x1b0
[  546.125885][ T7636]  sysfs_warn_dup+0x7f/0xa0
[  546.130422][ T7636]  sysfs_create_dir_ns+0x247/0x2a0
[  546.135667][ T7636]  ? sysfs_create_mount_point+0xb0/0xb0
[  546.141342][ T7636]  ? spin_bug+0x1c0/0x1c0
[  546.145718][ T7636]  ? net_namespace+0x12/0x40
[  546.150339][ T7636]  ? device_namespace+0x8d/0xc0
[  546.156203][ T7636]  kobject_add_internal+0x2c8/0x960
[  546.161724][ T7636]  kobject_add+0x16f/0x240
[  546.166455][ T7636]  ? kset_create_and_add+0x190/0x190
[  546.172282][ T7636]  ? do_raw_spin_unlock+0x172/0x230
[  546.177527][ T7636]  ? kobject_put+0xbe/0x440
[  546.182247][ T7636]  ? device_add+0xc35/0x1aa0
[  546.186966][ T7636]  device_add+0x289/0x1aa0
[  546.191663][ T7636]  ? device_initialize+0x510/0x510
[  546.196968][ T7636]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  546.202992][ T7636]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  546.209975][ T7636]  ? __init_waitqueue_head+0xca/0x150
[  546.215573][ T7636]  netdev_register_kobject+0x183/0x3f0
[  546.221063][ T7636]  register_netdevice+0xbdf/0x14a0
[  546.226553][ T7636]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  546.232552][ T7636]  ? team_nl_cmd_noop+0x280/0x280
[  546.237679][ T7636]  team_newlink+0x92/0x160
[  546.242111][ T7636]  ? team_nl_cmd_noop+0x280/0x280
[  546.247159][ T7636]  ? rtnl_create_link+0xa6d/0xfd0
[  546.252477][ T7636]  __rtnl_newlink+0x1173/0x1930
[  546.257359][ T7636]  ? rtnl_link_unregister+0x260/0x260
[  546.262858][ T7636]  rtnl_newlink+0x67/0xa0
[  546.267384][ T7636]  ? __rtnl_newlink+0x1930/0x1930
[  546.272421][ T7636]  rtnetlink_rcv_msg+0x3c7/0xe00
[  546.277379][ T7636]  ? rtnl_getlink+0xb40/0xb40
[  546.282323][ T7636]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  546.288422][ T7636]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  546.294507][ T7636]  ? __lock_acquire+0xc97/0x5dc0
[  546.299557][ T7636]  netlink_rcv_skb+0x16b/0x440
[  546.304434][ T7636]  ? rtnl_getlink+0xb40/0xb40
[  546.309205][ T7636]  ? netlink_ack+0x1370/0x1370
[  546.314325][ T7636]  ? lock_sync+0x180/0x180
[  546.318771][ T7636]  ? netlink_deliver_tap+0x1a0/0xd00
[  546.324063][ T7636]  ? _copy_from_iter+0x2c1/0x10f0
[  546.329216][ T7636]  netlink_unicast+0x53b/0x810
[  546.334112][ T7636]  ? netlink_attachskb+0x870/0x870
[  546.339270][ T7636]  ? __phys_addr_symbol+0x30/0x70
[  546.344857][ T7636]  ? __check_object_size+0x322/0x730
[  546.350274][ T7636]  netlink_sendmsg+0x939/0xe40
[  546.355067][ T7636]  ? netlink_unicast+0x810/0x810
[  546.360111][ T7636]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  546.365492][ T7636]  ? netlink_unicast+0x810/0x810
[  546.370448][ T7636]  __sock_sendmsg+0xd5/0x180
[  546.375052][ T7636]  ____sys_sendmsg+0x6ac/0x940
[  546.379834][ T7636]  ? copy_msghdr_from_user+0x10b/0x160
[  546.385442][ T7636]  ? kernel_sendmsg+0x50/0x50
[  546.390225][ T7636]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  546.396239][ T7636]  ___sys_sendmsg+0x135/0x1d0
[  546.400937][ T7636]  ? do_recvmmsg+0x740/0x740
[  546.405542][ T7636]  ? find_held_lock+0x2d/0x110
[  546.410505][ T7636]  ? preempt_count_sub+0x150/0x150
[  546.415729][ T7636]  ? __fget_light+0x1fa/0x260
[  546.420605][ T7636]  __sys_sendmsg+0x117/0x1e0
[  546.425206][ T7636]  ? __sys_sendmsg_sock+0x30/0x30
[  546.430466][ T7636]  ? syscall_enter_from_user_mode+0x26/0x80
[  546.436460][ T7636]  do_syscall_64+0x3f/0x110
[  546.441151][ T7636]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  546.447053][ T7636] RIP: 0033:0x7fa730b27eb9
[  546.451507][ T7636] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  546.471507][ T7636] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  546.480016][ T7636] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  546.487988][ T7636] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  546.495961][ T7636] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  546.504020][ T7636] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  546.512078][ T7636] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  546.520413][ T7636]  </TASK>
[  546.538139][ T7636] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  546.566210][ T7636] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  546.581558][ T7636] CPU: 1 PID: 7636 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  546.593080][ T7636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  546.603341][ T7636] Call Trace:
[  546.606643][ T7636]  <TASK>
[  546.609595][ T7636]  dump_stack_lvl+0x125/0x1b0
[  546.614309][ T7636]  sysfs_warn_dup+0x7f/0xa0
[  546.619556][ T7636]  sysfs_create_dir_ns+0x247/0x2a0
[  546.625419][ T7636]  ? sysfs_create_mount_point+0xb0/0xb0
[  546.631905][ T7636]  ? spin_bug+0x1c0/0x1c0
[  546.636739][ T7636]  ? net_namespace+0x12/0x40
[  546.641364][ T7636]  ? device_namespace+0x8d/0xc0
[  546.646547][ T7636]  kobject_add_internal+0x2c8/0x960
[  546.651908][ T7636]  kobject_add+0x16f/0x240
[  546.656643][ T7636]  ? kset_create_and_add+0x190/0x190
[  546.662063][ T7636]  ? do_raw_spin_unlock+0x172/0x230
[  546.667475][ T7636]  ? kobject_put+0xbe/0x440
[  546.672199][ T7636]  ? device_add+0xc35/0x1aa0
[  546.677278][ T7636]  device_add+0x289/0x1aa0
[  546.681852][ T7636]  ? device_initialize+0x510/0x510
[  546.687006][ T7636]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  546.693463][ T7636]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  546.700530][ T7636]  ? __init_waitqueue_head+0xca/0x150
[  546.706123][ T7636]  netdev_register_kobject+0x183/0x3f0
[  546.711888][ T7636]  register_netdevice+0xbdf/0x14a0
[  546.717215][ T7636]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  546.723148][ T7636]  ? validate_linkmsg+0x6fc/0x9c0
[  546.728226][ T7636]  ? rtnl_create_link+0xa6d/0xfd0
[  546.733655][ T7636]  ? batadv_get_sset_count+0x40/0x40
[  546.742519][ T7636]  batadv_softif_newlink+0x70/0x90
[  546.748048][ T7636]  __rtnl_newlink+0x1173/0x1930
[  546.753143][ T7636]  ? rtnl_link_unregister+0x260/0x260
[  546.758592][ T7636]  rtnl_newlink+0x67/0xa0
[  546.762958][ T7636]  ? __rtnl_newlink+0x1930/0x1930
[  546.768102][ T7636]  rtnetlink_rcv_msg+0x3c7/0xe00
[  546.773104][ T7636]  ? rtnl_getlink+0xb40/0xb40
[  546.777982][ T7636]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  546.784093][ T7636]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  546.790113][ T7636]  ? __lock_acquire+0xc97/0x5dc0
[  546.795322][ T7636]  netlink_rcv_skb+0x16b/0x440
[  546.800142][ T7636]  ? rtnl_getlink+0xb40/0xb40
[  546.804863][ T7636]  ? netlink_ack+0x1370/0x1370
[  546.809745][ T7636]  ? lock_sync+0x180/0x180
[  546.814387][ T7636]  ? netlink_deliver_tap+0x1a0/0xd00
[  546.819702][ T7636]  ? _copy_from_iter+0x2c1/0x10f0
[  546.824941][ T7636]  netlink_unicast+0x53b/0x810
[  546.829794][ T7636]  ? netlink_attachskb+0x870/0x870
[  546.835031][ T7636]  ? __phys_addr_symbol+0x30/0x70
[  546.840089][ T7636]  ? __check_object_size+0x322/0x730
[  546.845601][ T7636]  netlink_sendmsg+0x939/0xe40
[  546.850855][ T7636]  ? netlink_unicast+0x810/0x810
[  546.855833][ T7636]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  546.861237][ T7636]  ? netlink_unicast+0x810/0x810
[  546.866224][ T7636]  __sock_sendmsg+0xd5/0x180
[  546.870857][ T7636]  ____sys_sendmsg+0x6ac/0x940
[  546.875922][ T7636]  ? copy_msghdr_from_user+0x10b/0x160
[  546.881689][ T7636]  ? kernel_sendmsg+0x50/0x50
[  546.886614][ T7636]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  546.892836][ T7636]  ___sys_sendmsg+0x135/0x1d0
[  546.897830][ T7636]  ? do_recvmmsg+0x740/0x740
[  546.903720][ T7636]  ? find_held_lock+0x2d/0x110
[  546.908719][ T7636]  ? preempt_count_sub+0x150/0x150
[  546.914073][ T7636]  ? __fget_light+0x1fa/0x260
[  546.918800][ T7636]  __sys_sendmsg+0x117/0x1e0
[  546.923431][ T7636]  ? __sys_sendmsg_sock+0x30/0x30
[  546.928584][ T7636]  ? syscall_enter_from_user_mode+0x26/0x80
[  546.934715][ T7636]  do_syscall_64+0x3f/0x110
[  546.939457][ T7636]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  546.945663][ T7636] RIP: 0033:0x7fa730b27eb9
[  546.950198][ T7636] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  546.970121][ T7636] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  546.978580][ T7636] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  546.986750][ T7636] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  546.994830][ T7636] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  547.003963][ T7636] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  547.012066][ T7636] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  547.021339][ T7636]  </TASK>
[  547.069139][ T7636] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  547.149915][ T7641] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  547.162283][ T7641] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  547.182457][ T7641] CPU: 0 PID: 7641 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  547.194081][ T7641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  547.204772][ T7641] Call Trace:
[  547.208525][ T7641]  <TASK>
[  547.212068][ T7641]  dump_stack_lvl+0x125/0x1b0
[  547.217120][ T7641]  sysfs_warn_dup+0x7f/0xa0
[  547.221837][ T7641]  sysfs_create_dir_ns+0x247/0x2a0
[  547.227158][ T7641]  ? sysfs_create_mount_point+0xb0/0xb0
[  547.232828][ T7641]  ? spin_bug+0x1c0/0x1c0
[  547.237490][ T7641]  ? net_namespace+0x12/0x40
[  547.242200][ T7641]  ? device_namespace+0x8d/0xc0
[  547.247263][ T7641]  kobject_add_internal+0x2c8/0x960
[  547.252589][ T7641]  kobject_add+0x16f/0x240
[  547.257130][ T7641]  ? kset_create_and_add+0x190/0x190
[  547.262542][ T7641]  ? do_raw_spin_unlock+0x172/0x230
[  547.268047][ T7641]  ? kobject_put+0xbe/0x440
[  547.272846][ T7641]  ? device_add+0xc35/0x1aa0
[  547.277478][ T7641]  device_add+0x289/0x1aa0
[  547.282198][ T7641]  ? device_initialize+0x510/0x510
[  547.287504][ T7641]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  547.294646][ T7641]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  547.301627][ T7641]  ? __init_waitqueue_head+0xca/0x150
[  547.307055][ T7641]  netdev_register_kobject+0x183/0x3f0
[  547.312594][ T7641]  register_netdevice+0xbdf/0x14a0
[  547.317837][ T7641]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  547.324045][ T7641]  ? team_nl_cmd_noop+0x280/0x280
[  547.329196][ T7641]  team_newlink+0x92/0x160
[  547.333687][ T7641]  ? team_nl_cmd_noop+0x280/0x280
[  547.339011][ T7641]  ? rtnl_create_link+0xa6d/0xfd0
[  547.344441][ T7641]  __rtnl_newlink+0x1173/0x1930
[  547.349436][ T7641]  ? rtnl_link_unregister+0x260/0x260
[  547.354972][ T7641]  rtnl_newlink+0x67/0xa0
[  547.359684][ T7641]  ? __rtnl_newlink+0x1930/0x1930
[  547.364925][ T7641]  rtnetlink_rcv_msg+0x3c7/0xe00
[  547.369919][ T7641]  ? rtnl_getlink+0xb40/0xb40
[  547.374640][ T7641]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  547.380760][ T7641]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  547.386919][ T7641]  ? __lock_acquire+0xc97/0x5dc0
[  547.391988][ T7641]  netlink_rcv_skb+0x16b/0x440
[  547.396792][ T7641]  ? rtnl_getlink+0xb40/0xb40
[  547.403327][ T7641]  ? netlink_ack+0x1370/0x1370
[  547.408143][ T7641]  ? lock_sync+0x180/0x180
[  547.412622][ T7641]  ? netlink_deliver_tap+0x1a0/0xd00
[  547.417948][ T7641]  ? _copy_from_iter+0x2c1/0x10f0
[  547.423375][ T7641]  netlink_unicast+0x53b/0x810
[  547.428291][ T7641]  ? netlink_attachskb+0x870/0x870
[  547.433537][ T7641]  ? __phys_addr_symbol+0x30/0x70
[  547.438866][ T7641]  ? __check_object_size+0x322/0x730
[  547.444511][ T7641]  netlink_sendmsg+0x939/0xe40
[  547.449502][ T7641]  ? netlink_unicast+0x810/0x810
[  547.454840][ T7641]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  547.460245][ T7641]  ? netlink_unicast+0x810/0x810
[  547.465487][ T7641]  __sock_sendmsg+0xd5/0x180
[  547.470546][ T7641]  ____sys_sendmsg+0x6ac/0x940
[  547.475608][ T7641]  ? copy_msghdr_from_user+0x10b/0x160
[  547.481301][ T7641]  ? kernel_sendmsg+0x50/0x50
[  547.486055][ T7641]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  547.492266][ T7641]  ___sys_sendmsg+0x135/0x1d0
[  547.497160][ T7641]  ? do_recvmmsg+0x740/0x740
[  547.501791][ T7641]  ? find_held_lock+0x2d/0x110
[  547.506786][ T7641]  ? preempt_count_sub+0x150/0x150
[  547.511961][ T7641]  ? __fget_light+0x1fa/0x260
[  547.517441][ T7641]  __sys_sendmsg+0x117/0x1e0
[  547.522510][ T7641]  ? __sys_sendmsg_sock+0x30/0x30
[  547.527991][ T7641]  ? syscall_enter_from_user_mode+0x26/0x80
[  547.534204][ T7641]  do_syscall_64+0x3f/0x110
[  547.538935][ T7641]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  547.544963][ T7641] RIP: 0033:0x7fa730b27eb9
[  547.549404][ T7641] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  547.569751][ T7641] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  547.578291][ T7641] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  547.586545][ T7641] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  547.594638][ T7641] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  547.603037][ T7641] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  547.611137][ T7641] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  547.619511][ T7641]  </TASK>
[  547.742152][ T7641] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  547.769460][ T7641] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  547.791655][ T7641] CPU: 0 PID: 7641 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  547.803357][ T7641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  547.813445][ T7641] Call Trace:
[  547.816855][ T7641]  <TASK>
[  547.819910][ T7641]  dump_stack_lvl+0x125/0x1b0
[  547.824642][ T7641]  sysfs_warn_dup+0x7f/0xa0
[  547.829212][ T7641]  sysfs_create_dir_ns+0x247/0x2a0
[  547.834546][ T7641]  ? sysfs_create_mount_point+0xb0/0xb0
[  547.840240][ T7641]  ? spin_bug+0x1c0/0x1c0
[  547.844635][ T7641]  ? net_namespace+0x12/0x40
[  547.849370][ T7641]  ? device_namespace+0x8d/0xc0
[  547.854374][ T7641]  kobject_add_internal+0x2c8/0x960
[  547.859803][ T7641]  kobject_add+0x16f/0x240
[  547.864386][ T7641]  ? kset_create_and_add+0x190/0x190
[  547.869820][ T7641]  ? do_raw_spin_unlock+0x172/0x230
[  547.875162][ T7641]  ? kobject_put+0xbe/0x440
[  547.880350][ T7641]  ? device_add+0xc35/0x1aa0
[  547.885252][ T7641]  device_add+0x289/0x1aa0
[  547.889877][ T7641]  ? device_initialize+0x510/0x510
[  547.895024][ T7641]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  547.901423][ T7641]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  547.909464][ T7641]  ? __init_waitqueue_head+0xca/0x150
[  547.915528][ T7641]  netdev_register_kobject+0x183/0x3f0
[  547.921215][ T7641]  register_netdevice+0xbdf/0x14a0
[  547.926723][ T7641]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  547.933183][ T7641]  ? validate_linkmsg+0x6fc/0x9c0
[  547.938430][ T7641]  ? rtnl_create_link+0xa6d/0xfd0
[  547.943489][ T7641]  ? batadv_get_sset_count+0x40/0x40
[  547.948794][ T7641]  batadv_softif_newlink+0x70/0x90
[  547.954016][ T7641]  __rtnl_newlink+0x1173/0x1930
[  547.958899][ T7641]  ? rtnl_link_unregister+0x260/0x260
[  547.965649][ T7641]  rtnl_newlink+0x67/0xa0
[  547.969983][ T7641]  ? __rtnl_newlink+0x1930/0x1930
[  547.975112][ T7641]  rtnetlink_rcv_msg+0x3c7/0xe00
[  547.980090][ T7641]  ? rtnl_getlink+0xb40/0xb40
[  547.984877][ T7641]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  547.991229][ T7641]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  547.997313][ T7641]  ? __lock_acquire+0xc97/0x5dc0
[  548.003494][ T7641]  netlink_rcv_skb+0x16b/0x440
[  548.008366][ T7641]  ? rtnl_getlink+0xb40/0xb40
[  548.013335][ T7641]  ? netlink_ack+0x1370/0x1370
[  548.018321][ T7641]  ? lock_sync+0x180/0x180
[  548.023672][ T7641]  ? netlink_deliver_tap+0x1a0/0xd00
[  548.029245][ T7641]  ? _copy_from_iter+0x2c1/0x10f0
[  548.034386][ T7641]  netlink_unicast+0x53b/0x810
[  548.039169][ T7641]  ? netlink_attachskb+0x870/0x870
[  548.044303][ T7641]  ? __phys_addr_symbol+0x30/0x70
[  548.049948][ T7641]  ? __check_object_size+0x322/0x730
[  548.055334][ T7641]  netlink_sendmsg+0x939/0xe40
[  548.060316][ T7641]  ? netlink_unicast+0x810/0x810
[  548.065882][ T7641]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  548.071270][ T7641]  ? netlink_unicast+0x810/0x810
[  548.076399][ T7641]  __sock_sendmsg+0xd5/0x180
[  548.081035][ T7641]  ____sys_sendmsg+0x6ac/0x940
[  548.086432][ T7641]  ? copy_msghdr_from_user+0x10b/0x160
[  548.091904][ T7641]  ? kernel_sendmsg+0x50/0x50
[  548.096593][ T7641]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  548.102599][ T7641]  ___sys_sendmsg+0x135/0x1d0
[  548.107302][ T7641]  ? do_recvmmsg+0x740/0x740
[  548.112094][ T7641]  ? find_held_lock+0x2d/0x110
[  548.116897][ T7641]  ? preempt_count_sub+0x150/0x150
[  548.122399][ T7641]  ? __fget_light+0x1fa/0x260
[  548.127185][ T7641]  __sys_sendmsg+0x117/0x1e0
[  548.131833][ T7641]  ? __sys_sendmsg_sock+0x30/0x30
[  548.137173][ T7641]  ? syscall_enter_from_user_mode+0x26/0x80
[  548.143358][ T7641]  do_syscall_64+0x3f/0x110
[  548.147972][ T7641]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  548.154076][ T7641] RIP: 0033:0x7fa730b27eb9
[  548.158947][ T7641] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  548.179186][ T7641] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  548.187977][ T7641] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  548.196851][ T7641] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  548.206852][ T7641] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  548.215484][ T7641] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  548.223840][ T7641] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  548.233333][ T7641]  </TASK>
[  548.249363][ T7641] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  548.335740][ T7653] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  548.347098][ T7653] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  548.358440][ T7653] CPU: 0 PID: 7653 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  548.369853][ T7653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  548.380021][ T7653] Call Trace:
[  548.383336][ T7653]  <TASK>
[  548.386288][ T7653]  dump_stack_lvl+0x125/0x1b0
[  548.391105][ T7653]  sysfs_warn_dup+0x7f/0xa0
[  548.395741][ T7653]  sysfs_create_dir_ns+0x247/0x2a0
[  548.400898][ T7653]  ? sysfs_create_mount_point+0xb0/0xb0
[  548.406485][ T7653]  ? spin_bug+0x1c0/0x1c0
[  548.410945][ T7653]  ? net_namespace+0x12/0x40
[  548.415567][ T7653]  ? device_namespace+0x8d/0xc0
[  548.420557][ T7653]  kobject_add_internal+0x2c8/0x960
[  548.425887][ T7653]  kobject_add+0x16f/0x240
[  548.430507][ T7653]  ? kset_create_and_add+0x190/0x190
[  548.435832][ T7653]  ? do_raw_spin_unlock+0x172/0x230
[  548.441069][ T7653]  ? kobject_put+0xbe/0x440
[  548.445619][ T7653]  ? device_add+0xc35/0x1aa0
[  548.450332][ T7653]  device_add+0x289/0x1aa0
[  548.454880][ T7653]  ? device_initialize+0x510/0x510
[  548.460218][ T7653]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  548.466150][ T7653]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  548.473043][ T7653]  ? __init_waitqueue_head+0xca/0x150
[  548.478476][ T7653]  netdev_register_kobject+0x183/0x3f0
[  548.484061][ T7653]  register_netdevice+0xbdf/0x14a0
[  548.489212][ T7653]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  548.495408][ T7653]  ? team_nl_cmd_noop+0x280/0x280
[  548.500464][ T7653]  team_newlink+0x92/0x160
[  548.505004][ T7653]  ? team_nl_cmd_noop+0x280/0x280
[  548.510235][ T7653]  ? rtnl_create_link+0xa6d/0xfd0
[  548.515319][ T7653]  __rtnl_newlink+0x1173/0x1930
[  548.520311][ T7653]  ? rtnl_link_unregister+0x260/0x260
[  548.525845][ T7653]  rtnl_newlink+0x67/0xa0
[  548.530300][ T7653]  ? __rtnl_newlink+0x1930/0x1930
[  548.535350][ T7653]  rtnetlink_rcv_msg+0x3c7/0xe00
[  548.540410][ T7653]  ? rtnl_getlink+0xb40/0xb40
[  548.545110][ T7653]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  548.551214][ T7653]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  548.557454][ T7653]  ? __lock_acquire+0xc97/0x5dc0
[  548.562615][ T7653]  netlink_rcv_skb+0x16b/0x440
[  548.567424][ T7653]  ? rtnl_getlink+0xb40/0xb40
[  548.572309][ T7653]  ? netlink_ack+0x1370/0x1370
[  548.577099][ T7653]  ? lock_sync+0x180/0x180
[  548.581573][ T7653]  ? netlink_deliver_tap+0x1a0/0xd00
[  548.586976][ T7653]  ? _copy_from_iter+0x2c1/0x10f0
[  548.592483][ T7653]  netlink_unicast+0x53b/0x810
[  548.597374][ T7653]  ? netlink_attachskb+0x870/0x870
[  548.602513][ T7653]  ? __phys_addr_symbol+0x30/0x70
[  548.607663][ T7653]  ? __check_object_size+0x322/0x730
[  548.613042][ T7653]  netlink_sendmsg+0x939/0xe40
[  548.618018][ T7653]  ? netlink_unicast+0x810/0x810
[  548.623291][ T7653]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  548.628603][ T7653]  ? netlink_unicast+0x810/0x810
[  548.633583][ T7653]  __sock_sendmsg+0xd5/0x180
[  548.638200][ T7653]  ____sys_sendmsg+0x6ac/0x940
[  548.643252][ T7653]  ? copy_msghdr_from_user+0x10b/0x160
[  548.648841][ T7653]  ? kernel_sendmsg+0x50/0x50
[  548.653546][ T7653]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  548.659567][ T7653]  ___sys_sendmsg+0x135/0x1d0
[  548.664333][ T7653]  ? do_recvmmsg+0x740/0x740
[  548.669144][ T7653]  ? find_held_lock+0x2d/0x110
[  548.674561][ T7653]  ? preempt_count_sub+0x150/0x150
[  548.680078][ T7653]  ? __fget_light+0x1fa/0x260
[  548.685073][ T7653]  __sys_sendmsg+0x117/0x1e0
[  548.689730][ T7653]  ? __sys_sendmsg_sock+0x30/0x30
[  548.694805][ T7653]  ? syscall_enter_from_user_mode+0x26/0x80
[  548.700833][ T7653]  do_syscall_64+0x3f/0x110
[  548.705374][ T7653]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  548.711475][ T7653] RIP: 0033:0x7fa730b27eb9
[  548.715993][ T7653] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  548.736324][ T7653] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  548.744860][ T7653] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  548.752907][ T7653] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  548.760987][ T7653] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  548.769249][ T7653] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  548.777448][ T7653] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  548.785560][ T7653]  </TASK>
[  548.791227][ T7653] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  548.825383][ T7653] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  548.841614][ T7653] CPU: 0 PID: 7653 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  548.854224][ T7653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  548.866501][ T7653] Call Trace:
[  548.870241][ T7653]  <TASK>
[  548.873311][ T7653]  dump_stack_lvl+0x125/0x1b0
[  548.879381][ T7653]  sysfs_warn_dup+0x7f/0xa0
[  548.884575][ T7653]  sysfs_create_dir_ns+0x247/0x2a0
[  548.890352][ T7653]  ? sysfs_create_mount_point+0xb0/0xb0
[  548.896118][ T7653]  ? spin_bug+0x1c0/0x1c0
[  548.901026][ T7653]  ? net_namespace+0x12/0x40
[  548.905836][ T7653]  ? device_namespace+0x8d/0xc0
[  548.911196][ T7653]  kobject_add_internal+0x2c8/0x960
[  548.916470][ T7653]  kobject_add+0x16f/0x240
[  548.921896][ T7653]  ? kset_create_and_add+0x190/0x190
[  548.927765][ T7653]  ? do_raw_spin_unlock+0x172/0x230
[  548.933889][ T7653]  ? kobject_put+0xbe/0x440
[  548.939390][ T7653]  ? device_add+0xc35/0x1aa0
[  548.944823][ T7653]  device_add+0x289/0x1aa0
[  548.949736][ T7653]  ? device_initialize+0x510/0x510
[  548.955376][ T7653]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  548.961314][ T7653]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  548.969285][ T7653]  ? __init_waitqueue_head+0xca/0x150
[  548.974915][ T7653]  netdev_register_kobject+0x183/0x3f0
[  548.980896][ T7653]  register_netdevice+0xbdf/0x14a0
[  548.986516][ T7653]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  548.992468][ T7653]  ? validate_linkmsg+0x6fc/0x9c0
[  548.998719][ T7653]  ? rtnl_create_link+0xa6d/0xfd0
[  549.004519][ T7653]  ? batadv_get_sset_count+0x40/0x40
[  549.011350][ T7653]  batadv_softif_newlink+0x70/0x90
[  549.017663][ T7653]  __rtnl_newlink+0x1173/0x1930
[  549.022758][ T7653]  ? rtnl_link_unregister+0x260/0x260
[  549.028938][ T7653]  rtnl_newlink+0x67/0xa0
[  549.033911][ T7653]  ? __rtnl_newlink+0x1930/0x1930
[  549.039217][ T7653]  rtnetlink_rcv_msg+0x3c7/0xe00
[  549.044328][ T7653]  ? rtnl_getlink+0xb40/0xb40
[  549.049406][ T7653]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  549.055886][ T7653]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  549.061945][ T7653]  ? __lock_acquire+0xc97/0x5dc0
[  549.067188][ T7653]  netlink_rcv_skb+0x16b/0x440
[  549.072009][ T7653]  ? rtnl_getlink+0xb40/0xb40
[  549.076856][ T7653]  ? netlink_ack+0x1370/0x1370
[  549.081686][ T7653]  ? lock_sync+0x180/0x180
[  549.086464][ T7653]  ? netlink_deliver_tap+0x1a0/0xd00
[  549.092332][ T7653]  ? _copy_from_iter+0x2c1/0x10f0
[  549.097422][ T7653]  netlink_unicast+0x53b/0x810
[  549.102297][ T7653]  ? netlink_attachskb+0x870/0x870
[  549.107553][ T7653]  ? __phys_addr_symbol+0x30/0x70
[  549.113500][ T7653]  ? __check_object_size+0x322/0x730
[  549.118928][ T7653]  netlink_sendmsg+0x939/0xe40
[  549.123741][ T7653]  ? netlink_unicast+0x810/0x810
[  549.128743][ T7653]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  549.134437][ T7653]  ? netlink_unicast+0x810/0x810
[  549.139539][ T7653]  __sock_sendmsg+0xd5/0x180
[  549.144187][ T7653]  ____sys_sendmsg+0x6ac/0x940
[  549.149175][ T7653]  ? copy_msghdr_from_user+0x10b/0x160
[  549.155561][ T7653]  ? kernel_sendmsg+0x50/0x50
[  549.160767][ T7653]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  549.167339][ T7653]  ___sys_sendmsg+0x135/0x1d0
[  549.172187][ T7653]  ? do_recvmmsg+0x740/0x740
[  549.176843][ T7653]  ? find_held_lock+0x2d/0x110
[  549.182107][ T7653]  ? preempt_count_sub+0x150/0x150
[  549.187370][ T7653]  ? __fget_light+0x1fa/0x260
[  549.192188][ T7653]  __sys_sendmsg+0x117/0x1e0
[  549.197162][ T7653]  ? __sys_sendmsg_sock+0x30/0x30
[  549.204017][ T7653]  ? syscall_enter_from_user_mode+0x26/0x80
[  549.211638][ T7653]  do_syscall_64+0x3f/0x110
[  549.217344][ T7653]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  549.223682][ T7653] RIP: 0033:0x7fa730b27eb9
[  549.228238][ T7653] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  549.248755][ T7653] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  549.257565][ T7653] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  549.265849][ T7653] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  549.273967][ T7653] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  549.282079][ T7653] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  549.290504][ T7653] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  549.298809][ T7653]  </TASK>
[  549.303348][ T7653] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  549.364641][ T7669] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  549.376220][ T7669] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  549.386314][ T7669] CPU: 1 PID: 7669 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  549.398357][ T7669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  549.409372][ T7669] Call Trace:
[  549.413065][ T7669]  <TASK>
[  549.416129][ T7669]  dump_stack_lvl+0x125/0x1b0
[  549.421123][ T7669]  sysfs_warn_dup+0x7f/0xa0
[  549.425863][ T7669]  sysfs_create_dir_ns+0x247/0x2a0
[  549.431461][ T7669]  ? sysfs_create_mount_point+0xb0/0xb0
[  549.437585][ T7669]  ? spin_bug+0x1c0/0x1c0
[  549.442420][ T7669]  ? net_namespace+0x12/0x40
[  549.448370][ T7669]  ? device_namespace+0x8d/0xc0
[  549.454162][ T7669]  kobject_add_internal+0x2c8/0x960
[  549.459642][ T7669]  kobject_add+0x16f/0x240
[  549.464208][ T7669]  ? kset_create_and_add+0x190/0x190
[  549.469861][ T7669]  ? do_raw_spin_unlock+0x172/0x230
[  549.476697][ T7669]  ? kobject_put+0xbe/0x440
[  549.481732][ T7669]  ? device_add+0xc35/0x1aa0
[  549.486833][ T7669]  device_add+0x289/0x1aa0
[  549.491565][ T7669]  ? device_initialize+0x510/0x510
[  549.497369][ T7669]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  549.503301][ T7669]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  549.510279][ T7669]  ? __init_waitqueue_head+0xca/0x150
[  549.516242][ T7669]  netdev_register_kobject+0x183/0x3f0
[  549.522154][ T7669]  register_netdevice+0xbdf/0x14a0
[  549.528223][ T7669]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  549.535395][ T7669]  ? team_nl_cmd_noop+0x280/0x280
[  549.540893][ T7669]  team_newlink+0x92/0x160
[  549.545704][ T7669]  ? team_nl_cmd_noop+0x280/0x280
[  549.550747][ T7669]  ? rtnl_create_link+0xa6d/0xfd0
[  549.555886][ T7669]  __rtnl_newlink+0x1173/0x1930
[  549.560847][ T7669]  ? rtnl_link_unregister+0x260/0x260
[  549.566436][ T7669]  rtnl_newlink+0x67/0xa0
[  549.570998][ T7669]  ? __rtnl_newlink+0x1930/0x1930
[  549.576857][ T7669]  rtnetlink_rcv_msg+0x3c7/0xe00
[  549.582120][ T7669]  ? rtnl_getlink+0xb40/0xb40
[  549.587151][ T7669]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  549.593410][ T7669]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  549.599928][ T7669]  ? __lock_acquire+0xc97/0x5dc0
[  549.605529][ T7669]  netlink_rcv_skb+0x16b/0x440
[  549.610554][ T7669]  ? rtnl_getlink+0xb40/0xb40
[  549.616185][ T7669]  ? netlink_ack+0x1370/0x1370
[  549.621848][ T7669]  ? lock_sync+0x180/0x180
[  549.626681][ T7669]  ? netlink_deliver_tap+0x1a0/0xd00
[  549.633036][ T7669]  ? _copy_from_iter+0x2c1/0x10f0
[  549.638462][ T7669]  netlink_unicast+0x53b/0x810
[  549.643704][ T7669]  ? netlink_attachskb+0x870/0x870
[  549.649310][ T7669]  ? __phys_addr_symbol+0x30/0x70
[  549.654560][ T7669]  ? __check_object_size+0x322/0x730
[  549.660614][ T7669]  netlink_sendmsg+0x939/0xe40
[  549.667363][ T7669]  ? netlink_unicast+0x810/0x810
[  549.673318][ T7669]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  549.680016][ T7669]  ? netlink_unicast+0x810/0x810
[  549.686302][ T7669]  __sock_sendmsg+0xd5/0x180
[  549.691983][ T7669]  ____sys_sendmsg+0x6ac/0x940
[  549.697565][ T7669]  ? copy_msghdr_from_user+0x10b/0x160
[  549.703746][ T7669]  ? kernel_sendmsg+0x50/0x50
[  549.709363][ T7669]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  549.718524][ T7669]  ___sys_sendmsg+0x135/0x1d0
[  549.726049][ T7669]  ? do_recvmmsg+0x740/0x740
[  549.731357][ T7669]  ? find_held_lock+0x2d/0x110
[  549.736796][ T7669]  ? preempt_count_sub+0x150/0x150
[  549.742392][ T7669]  ? __fget_light+0x1fa/0x260
[  549.747098][ T7669]  __sys_sendmsg+0x117/0x1e0
[  549.751743][ T7669]  ? __sys_sendmsg_sock+0x30/0x30
[  549.757461][ T7669]  ? syscall_enter_from_user_mode+0x26/0x80
[  549.763891][ T7669]  do_syscall_64+0x3f/0x110
[  549.768794][ T7669]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  549.775423][ T7669] RIP: 0033:0x7fa730b27eb9
[  549.780323][ T7669] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  549.801541][ T7669] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  549.810367][ T7669] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  549.818834][ T7669] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  549.826901][ T7669] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  549.835318][ T7669] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  549.843559][ T7669] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  549.852056][ T7669]  </TASK>
[  549.880397][ T7669] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  549.913436][ T7669] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  549.940628][ T7669] CPU: 1 PID: 7669 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  549.953730][ T7669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  549.964463][ T7669] Call Trace:
[  549.968265][ T7669]  <TASK>
[  549.971502][ T7669]  dump_stack_lvl+0x125/0x1b0
[  549.977345][ T7669]  sysfs_warn_dup+0x7f/0xa0
[  549.982318][ T7669]  sysfs_create_dir_ns+0x247/0x2a0
[  549.987818][ T7669]  ? sysfs_create_mount_point+0xb0/0xb0
[  549.994032][ T7669]  ? spin_bug+0x1c0/0x1c0
[  549.999057][ T7669]  ? net_namespace+0x12/0x40
[  550.003908][ T7669]  ? device_namespace+0x8d/0xc0
[  550.009181][ T7669]  kobject_add_internal+0x2c8/0x960
[  550.014987][ T7669]  kobject_add+0x16f/0x240
[  550.020087][ T7669]  ? kset_create_and_add+0x190/0x190
[  550.025945][ T7669]  ? do_raw_spin_unlock+0x172/0x230
[  550.032149][ T7669]  ? kobject_put+0xbe/0x440
[  550.036941][ T7669]  ? device_add+0xc35/0x1aa0
[  550.042189][ T7669]  device_add+0x289/0x1aa0
[  550.046655][ T7669]  ? device_initialize+0x510/0x510
[  550.052142][ T7669]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  550.058520][ T7669]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  550.065432][ T7669]  ? __init_waitqueue_head+0xca/0x150
[  550.071160][ T7669]  netdev_register_kobject+0x183/0x3f0
[  550.077315][ T7669]  register_netdevice+0xbdf/0x14a0
[  550.082568][ T7669]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  550.088672][ T7669]  ? validate_linkmsg+0x6fc/0x9c0
[  550.094022][ T7669]  ? rtnl_create_link+0xa6d/0xfd0
[  550.099195][ T7669]  ? batadv_get_sset_count+0x40/0x40
[  550.104649][ T7669]  batadv_softif_newlink+0x70/0x90
[  550.109923][ T7669]  __rtnl_newlink+0x1173/0x1930
[  550.114898][ T7669]  ? rtnl_link_unregister+0x260/0x260
[  550.120788][ T7669]  rtnl_newlink+0x67/0xa0
[  550.125403][ T7669]  ? __rtnl_newlink+0x1930/0x1930
[  550.130595][ T7669]  rtnetlink_rcv_msg+0x3c7/0xe00
[  550.136737][ T7669]  ? rtnl_getlink+0xb40/0xb40
[  550.142120][ T7669]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  550.148359][ T7669]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  550.155393][ T7669]  ? __lock_acquire+0xc97/0x5dc0
[  550.160734][ T7669]  netlink_rcv_skb+0x16b/0x440
[  550.165820][ T7669]  ? rtnl_getlink+0xb40/0xb40
[  550.170554][ T7669]  ? netlink_ack+0x1370/0x1370
[  550.175450][ T7669]  ? lock_sync+0x180/0x180
[  550.180005][ T7669]  ? netlink_deliver_tap+0x1a0/0xd00
[  550.185348][ T7669]  ? _copy_from_iter+0x2c1/0x10f0
[  550.191239][ T7669]  netlink_unicast+0x53b/0x810
[  550.196341][ T7669]  ? netlink_attachskb+0x870/0x870
[  550.201653][ T7669]  ? __phys_addr_symbol+0x30/0x70
[  550.207246][ T7669]  ? __check_object_size+0x322/0x730
[  550.212761][ T7669]  netlink_sendmsg+0x939/0xe40
[  550.218133][ T7669]  ? netlink_unicast+0x810/0x810
[  550.223235][ T7669]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  550.228568][ T7669]  ? netlink_unicast+0x810/0x810
[  550.233661][ T7669]  __sock_sendmsg+0xd5/0x180
[  550.238573][ T7669]  ____sys_sendmsg+0x6ac/0x940
[  550.243745][ T7669]  ? copy_msghdr_from_user+0x10b/0x160
[  550.249346][ T7669]  ? kernel_sendmsg+0x50/0x50
[  550.254168][ T7669]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  550.260484][ T7669]  ___sys_sendmsg+0x135/0x1d0
[  550.265804][ T7669]  ? do_recvmmsg+0x740/0x740
[  550.270723][ T7669]  ? find_held_lock+0x2d/0x110
[  550.276084][ T7669]  ? preempt_count_sub+0x150/0x150
[  550.281373][ T7669]  ? __fget_light+0x1fa/0x260
[  550.286348][ T7669]  __sys_sendmsg+0x117/0x1e0
[  550.291076][ T7669]  ? __sys_sendmsg_sock+0x30/0x30
[  550.296601][ T7669]  ? syscall_enter_from_user_mode+0x26/0x80
[  550.303170][ T7669]  do_syscall_64+0x3f/0x110
[  550.308104][ T7669]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  550.314924][ T7669] RIP: 0033:0x7fa730b27eb9
[  550.319649][ T7669] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  550.339742][ T7669] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  550.348936][ T7669] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  550.357204][ T7669] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  550.365449][ T7669] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  550.373712][ T7669] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  550.381946][ T7669] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  550.389937][ T7669]  </TASK>
[  550.454113][ T7669] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  550.513923][ T7673] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  550.535657][ T7673] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  550.545958][ T7673] CPU: 0 PID: 7673 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  550.557293][ T7673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  550.572424][ T7673] Call Trace:
[  550.575774][ T7673]  <TASK>
[  550.578732][ T7673]  dump_stack_lvl+0x125/0x1b0
[  550.583456][ T7673]  sysfs_warn_dup+0x7f/0xa0
[  550.588151][ T7673]  sysfs_create_dir_ns+0x247/0x2a0
[  550.594078][ T7673]  ? sysfs_create_mount_point+0xb0/0xb0
[  550.599797][ T7673]  ? spin_bug+0x1c0/0x1c0
[  550.604319][ T7673]  ? net_namespace+0x12/0x40
[  550.609270][ T7673]  ? device_namespace+0x8d/0xc0
[  550.614334][ T7673]  kobject_add_internal+0x2c8/0x960
[  550.619586][ T7673]  kobject_add+0x16f/0x240
[  550.624128][ T7673]  ? kset_create_and_add+0x190/0x190
[  550.629473][ T7673]  ? do_raw_spin_unlock+0x172/0x230
[  550.634696][ T7673]  ? kobject_put+0xbe/0x440
[  550.639247][ T7673]  ? device_add+0xc35/0x1aa0
[  550.643938][ T7673]  device_add+0x289/0x1aa0
[  550.648551][ T7673]  ? device_initialize+0x510/0x510
[  550.653944][ T7673]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  550.659840][ T7673]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  550.666725][ T7673]  ? __init_waitqueue_head+0xca/0x150
[  550.672220][ T7673]  netdev_register_kobject+0x183/0x3f0
[  550.678133][ T7673]  register_netdevice+0xbdf/0x14a0
[  550.683461][ T7673]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  550.689629][ T7673]  ? team_nl_cmd_noop+0x280/0x280
[  550.694753][ T7673]  team_newlink+0x92/0x160
[  550.699283][ T7673]  ? team_nl_cmd_noop+0x280/0x280
[  550.704406][ T7673]  ? rtnl_create_link+0xa6d/0xfd0
[  550.709473][ T7673]  __rtnl_newlink+0x1173/0x1930
[  550.714353][ T7673]  ? rtnl_link_unregister+0x260/0x260
[  550.719853][ T7673]  rtnl_newlink+0x67/0xa0
[  550.724193][ T7673]  ? __rtnl_newlink+0x1930/0x1930
[  550.729481][ T7673]  rtnetlink_rcv_msg+0x3c7/0xe00
[  550.734523][ T7673]  ? rtnl_getlink+0xb40/0xb40
[  550.739414][ T7673]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  550.745522][ T7673]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  550.751641][ T7673]  ? __lock_acquire+0xc97/0x5dc0
[  550.756730][ T7673]  netlink_rcv_skb+0x16b/0x440
[  550.761599][ T7673]  ? rtnl_getlink+0xb40/0xb40
[  550.766289][ T7673]  ? netlink_ack+0x1370/0x1370
[  550.771323][ T7673]  ? lock_sync+0x180/0x180
[  550.776131][ T7673]  ? netlink_deliver_tap+0x1a0/0xd00
[  550.781640][ T7673]  ? _copy_from_iter+0x2c1/0x10f0
[  550.786685][ T7673]  netlink_unicast+0x53b/0x810
[  550.791645][ T7673]  ? netlink_attachskb+0x870/0x870
[  550.797046][ T7673]  ? __phys_addr_symbol+0x30/0x70
[  550.802259][ T7673]  ? __check_object_size+0x322/0x730
[  550.807641][ T7673]  netlink_sendmsg+0x939/0xe40
[  550.812523][ T7673]  ? netlink_unicast+0x810/0x810
[  550.817478][ T7673]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  550.822944][ T7673]  ? netlink_unicast+0x810/0x810
[  550.828155][ T7673]  __sock_sendmsg+0xd5/0x180
[  550.834325][ T7673]  ____sys_sendmsg+0x6ac/0x940
[  550.839309][ T7673]  ? copy_msghdr_from_user+0x10b/0x160
[  550.844780][ T7673]  ? kernel_sendmsg+0x50/0x50
[  550.849747][ T7673]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  550.856017][ T7673]  ___sys_sendmsg+0x135/0x1d0
[  550.860746][ T7673]  ? do_recvmmsg+0x740/0x740
[  550.865350][ T7673]  ? find_held_lock+0x2d/0x110
[  550.870224][ T7673]  ? preempt_count_sub+0x150/0x150
[  550.875616][ T7673]  ? __fget_light+0x1fa/0x260
[  550.880308][ T7673]  __sys_sendmsg+0x117/0x1e0
[  550.884993][ T7673]  ? __sys_sendmsg_sock+0x30/0x30
[  550.890040][ T7673]  ? syscall_enter_from_user_mode+0x26/0x80
[  550.896034][ T7673]  do_syscall_64+0x3f/0x110
[  550.900551][ T7673]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  550.906802][ T7673] RIP: 0033:0x7fa730b27eb9
[  550.911220][ T7673] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  550.931190][ T7673] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  550.939903][ T7673] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  550.948137][ T7673] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  550.956119][ T7673] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  550.964114][ T7673] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  550.972370][ T7673] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  550.980458][ T7673]  </TASK>
[  550.985234][ T7673] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  551.014042][ T7673] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  551.024349][ T7673] CPU: 1 PID: 7673 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  551.036383][ T7673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  551.046634][ T7673] Call Trace:
[  551.049922][ T7673]  <TASK>
[  551.052859][ T7673]  dump_stack_lvl+0x125/0x1b0
[  551.057563][ T7673]  sysfs_warn_dup+0x7f/0xa0
[  551.062258][ T7673]  sysfs_create_dir_ns+0x247/0x2a0
[  551.067475][ T7673]  ? sysfs_create_mount_point+0xb0/0xb0
[  551.073214][ T7673]  ? spin_bug+0x1c0/0x1c0
[  551.077775][ T7673]  ? net_namespace+0x12/0x40
[  551.082533][ T7673]  ? device_namespace+0x8d/0xc0
[  551.087755][ T7673]  kobject_add_internal+0x2c8/0x960
[  551.093006][ T7673]  kobject_add+0x16f/0x240
[  551.097535][ T7673]  ? kset_create_and_add+0x190/0x190
[  551.102845][ T7673]  ? do_raw_spin_unlock+0x172/0x230
[  551.108148][ T7673]  ? kobject_put+0xbe/0x440
[  551.112767][ T7673]  ? device_add+0xc35/0x1aa0
[  551.117499][ T7673]  device_add+0x289/0x1aa0
[  551.122070][ T7673]  ? device_initialize+0x510/0x510
[  551.127467][ T7673]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  551.133324][ T7673]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  551.140546][ T7673]  ? __init_waitqueue_head+0xca/0x150
[  551.146118][ T7673]  netdev_register_kobject+0x183/0x3f0
[  551.151701][ T7673]  register_netdevice+0xbdf/0x14a0
[  551.156847][ T7673]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  551.162755][ T7673]  ? validate_linkmsg+0x6fc/0x9c0
[  551.167798][ T7673]  ? rtnl_create_link+0xa6d/0xfd0
[  551.173210][ T7673]  ? batadv_get_sset_count+0x40/0x40
[  551.178853][ T7673]  batadv_softif_newlink+0x70/0x90
[  551.184249][ T7673]  __rtnl_newlink+0x1173/0x1930
[  551.189219][ T7673]  ? rtnl_link_unregister+0x260/0x260
[  551.194717][ T7673]  rtnl_newlink+0x67/0xa0
[  551.199092][ T7673]  ? __rtnl_newlink+0x1930/0x1930
[  551.204414][ T7673]  rtnetlink_rcv_msg+0x3c7/0xe00
[  551.209409][ T7673]  ? rtnl_getlink+0xb40/0xb40
[  551.214199][ T7673]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  551.220233][ T7673]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  551.226357][ T7673]  ? __lock_acquire+0xc97/0x5dc0
[  551.231350][ T7673]  netlink_rcv_skb+0x16b/0x440
[  551.236241][ T7673]  ? rtnl_getlink+0xb40/0xb40
[  551.241653][ T7673]  ? netlink_ack+0x1370/0x1370
[  551.246616][ T7673]  ? lock_sync+0x180/0x180
[  551.251080][ T7673]  ? netlink_deliver_tap+0x1a0/0xd00
[  551.256385][ T7673]  ? _copy_from_iter+0x2c1/0x10f0
[  551.261611][ T7673]  netlink_unicast+0x53b/0x810
[  551.266397][ T7673]  ? netlink_attachskb+0x870/0x870
[  551.271609][ T7673]  ? __phys_addr_symbol+0x30/0x70
[  551.276649][ T7673]  ? __check_object_size+0x322/0x730
[  551.282121][ T7673]  netlink_sendmsg+0x939/0xe40
[  551.287685][ T7673]  ? netlink_unicast+0x810/0x810
[  551.292645][ T7673]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  551.298556][ T7673]  ? netlink_unicast+0x810/0x810
[  551.303539][ T7673]  __sock_sendmsg+0xd5/0x180
[  551.308253][ T7673]  ____sys_sendmsg+0x6ac/0x940
[  551.313057][ T7673]  ? copy_msghdr_from_user+0x10b/0x160
[  551.318633][ T7673]  ? kernel_sendmsg+0x50/0x50
[  551.323331][ T7673]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  551.329354][ T7673]  ___sys_sendmsg+0x135/0x1d0
[  551.336162][ T7673]  ? do_recvmmsg+0x740/0x740
[  551.340778][ T7673]  ? find_held_lock+0x2d/0x110
[  551.345617][ T7673]  ? preempt_count_sub+0x150/0x150
[  551.350841][ T7673]  ? __fget_light+0x1fa/0x260
[  551.355627][ T7673]  __sys_sendmsg+0x117/0x1e0
[  551.360414][ T7673]  ? __sys_sendmsg_sock+0x30/0x30
[  551.365470][ T7673]  ? syscall_enter_from_user_mode+0x26/0x80
[  551.371534][ T7673]  do_syscall_64+0x3f/0x110
[  551.376088][ T7673]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  551.382081][ T7673] RIP: 0033:0x7fa730b27eb9
[  551.386672][ T7673] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  551.406290][ T7673] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  551.414995][ T7673] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  551.423078][ T7673] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  551.431065][ T7673] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  551.439224][ T7673] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  551.447469][ T7673] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  551.455498][ T7673]  </TASK>
[  551.594221][ T7673] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  551.685096][ T7682] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  551.703665][ T7682] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  551.718815][ T7682] CPU: 0 PID: 7682 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  551.730595][ T7682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  551.740939][ T7682] Call Trace:
[  551.744773][ T7682]  <TASK>
[  551.747806][ T7682]  dump_stack_lvl+0x125/0x1b0
[  551.752678][ T7682]  sysfs_warn_dup+0x7f/0xa0
[  551.757188][ T7682]  sysfs_create_dir_ns+0x247/0x2a0
[  551.762655][ T7682]  ? sysfs_create_mount_point+0xb0/0xb0
[  551.768848][ T7682]  ? spin_bug+0x1c0/0x1c0
[  551.773201][ T7682]  ? net_namespace+0x12/0x40
[  551.777908][ T7682]  ? device_namespace+0x8d/0xc0
[  551.782806][ T7682]  kobject_add_internal+0x2c8/0x960
[  551.788468][ T7682]  kobject_add+0x16f/0x240
[  551.792988][ T7682]  ? kset_create_and_add+0x190/0x190
[  551.798477][ T7682]  ? do_raw_spin_unlock+0x172/0x230
[  551.803693][ T7682]  ? kobject_put+0xbe/0x440
[  551.808214][ T7682]  ? device_add+0xc35/0x1aa0
[  551.812822][ T7682]  device_add+0x289/0x1aa0
[  551.817249][ T7682]  ? device_initialize+0x510/0x510
[  551.822450][ T7682]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  551.828278][ T7682]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  551.835231][ T7682]  ? __init_waitqueue_head+0xca/0x150
[  551.840624][ T7682]  netdev_register_kobject+0x183/0x3f0
[  551.846187][ T7682]  register_netdevice+0xbdf/0x14a0
[  551.851509][ T7682]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  551.857595][ T7682]  ? team_nl_cmd_noop+0x280/0x280
[  551.862793][ T7682]  team_newlink+0x92/0x160
[  551.867482][ T7682]  ? team_nl_cmd_noop+0x280/0x280
[  551.872519][ T7682]  ? rtnl_create_link+0xa6d/0xfd0
[  551.877578][ T7682]  __rtnl_newlink+0x1173/0x1930
[  551.882547][ T7682]  ? rtnl_link_unregister+0x260/0x260
[  551.888121][ T7682]  rtnl_newlink+0x67/0xa0
[  551.892455][ T7682]  ? __rtnl_newlink+0x1930/0x1930
[  551.897570][ T7682]  rtnetlink_rcv_msg+0x3c7/0xe00
[  551.902526][ T7682]  ? rtnl_getlink+0xb40/0xb40
[  551.907208][ T7682]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  551.913291][ T7682]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  551.919302][ T7682]  ? __lock_acquire+0xc97/0x5dc0
[  551.924364][ T7682]  netlink_rcv_skb+0x16b/0x440
[  551.929503][ T7682]  ? rtnl_getlink+0xb40/0xb40
[  551.934369][ T7682]  ? netlink_ack+0x1370/0x1370
[  551.939229][ T7682]  ? lock_sync+0x180/0x180
[  551.943761][ T7682]  ? netlink_deliver_tap+0x1a0/0xd00
[  551.949053][ T7682]  ? _copy_from_iter+0x2c1/0x10f0
[  551.954197][ T7682]  netlink_unicast+0x53b/0x810
[  551.959261][ T7682]  ? netlink_attachskb+0x870/0x870
[  551.964382][ T7682]  ? __phys_addr_symbol+0x30/0x70
[  551.969423][ T7682]  ? __check_object_size+0x322/0x730
[  551.974804][ T7682]  netlink_sendmsg+0x939/0xe40
[  551.979587][ T7682]  ? netlink_unicast+0x810/0x810
[  551.984630][ T7682]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  551.990106][ T7682]  ? netlink_unicast+0x810/0x810
[  551.995140][ T7682]  __sock_sendmsg+0xd5/0x180
[  551.999830][ T7682]  ____sys_sendmsg+0x6ac/0x940
[  552.004601][ T7682]  ? copy_msghdr_from_user+0x10b/0x160
[  552.010240][ T7682]  ? kernel_sendmsg+0x50/0x50
[  552.015191][ T7682]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  552.021652][ T7682]  ___sys_sendmsg+0x135/0x1d0
[  552.027366][ T7682]  ? do_recvmmsg+0x740/0x740
[  552.032349][ T7682]  ? find_held_lock+0x2d/0x110
[  552.037553][ T7682]  ? preempt_count_sub+0x150/0x150
[  552.043046][ T7682]  ? __fget_light+0x1fa/0x260
[  552.047865][ T7682]  __sys_sendmsg+0x117/0x1e0
[  552.052601][ T7682]  ? __sys_sendmsg_sock+0x30/0x30
[  552.057962][ T7682]  ? syscall_enter_from_user_mode+0x26/0x80
[  552.064225][ T7682]  do_syscall_64+0x3f/0x110
[  552.069188][ T7682]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  552.075101][ T7682] RIP: 0033:0x7fa730b27eb9
[  552.079536][ T7682] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  552.099438][ T7682] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  552.108000][ T7682] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  552.116178][ T7682] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  552.124165][ T7682] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  552.132231][ T7682] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  552.140396][ T7682] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  552.148744][ T7682]  </TASK>
[  552.157797][ T7682] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  552.185211][ T7682] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  552.196101][ T7682] CPU: 1 PID: 7682 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  552.207512][ T7682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  552.218485][ T7682] Call Trace:
[  552.222399][ T7682]  <TASK>
[  552.225703][ T7682]  dump_stack_lvl+0x125/0x1b0
[  552.230417][ T7682]  sysfs_warn_dup+0x7f/0xa0
[  552.235229][ T7682]  sysfs_create_dir_ns+0x247/0x2a0
[  552.240561][ T7682]  ? sysfs_create_mount_point+0xb0/0xb0
[  552.246391][ T7682]  ? spin_bug+0x1c0/0x1c0
[  552.250773][ T7682]  ? net_namespace+0x12/0x40
[  552.255385][ T7682]  ? device_namespace+0x8d/0xc0
[  552.260272][ T7682]  kobject_add_internal+0x2c8/0x960
[  552.265519][ T7682]  kobject_add+0x16f/0x240
[  552.269976][ T7682]  ? kset_create_and_add+0x190/0x190
[  552.275986][ T7682]  ? do_raw_spin_unlock+0x172/0x230
[  552.281567][ T7682]  ? kobject_put+0xbe/0x440
[  552.286287][ T7682]  ? device_add+0xc35/0x1aa0
[  552.291007][ T7682]  device_add+0x289/0x1aa0
[  552.295534][ T7682]  ? device_initialize+0x510/0x510
[  552.300747][ T7682]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  552.306616][ T7682]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  552.313930][ T7682]  ? __init_waitqueue_head+0xca/0x150
[  552.319335][ T7682]  netdev_register_kobject+0x183/0x3f0
[  552.324834][ T7682]  register_netdevice+0xbdf/0x14a0
[  552.330060][ T7682]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  552.336072][ T7682]  ? validate_linkmsg+0x6fc/0x9c0
[  552.341140][ T7682]  ? rtnl_create_link+0xa6d/0xfd0
[  552.346377][ T7682]  ? batadv_get_sset_count+0x40/0x40
[  552.353208][ T7682]  batadv_softif_newlink+0x70/0x90
[  552.358460][ T7682]  __rtnl_newlink+0x1173/0x1930
[  552.363562][ T7682]  ? rtnl_link_unregister+0x260/0x260
[  552.369283][ T7682]  rtnl_newlink+0x67/0xa0
[  552.373650][ T7682]  ? __rtnl_newlink+0x1930/0x1930
[  552.378718][ T7682]  rtnetlink_rcv_msg+0x3c7/0xe00
[  552.383955][ T7682]  ? rtnl_getlink+0xb40/0xb40
[  552.388668][ T7682]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  552.394782][ T7682]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  552.401071][ T7682]  ? __lock_acquire+0xc97/0x5dc0
[  552.406069][ T7682]  netlink_rcv_skb+0x16b/0x440
[  552.411054][ T7682]  ? rtnl_getlink+0xb40/0xb40
[  552.415761][ T7682]  ? netlink_ack+0x1370/0x1370
[  552.420554][ T7682]  ? lock_sync+0x180/0x180
[  552.425012][ T7682]  ? netlink_deliver_tap+0x1a0/0xd00
[  552.430490][ T7682]  ? _copy_from_iter+0x2c1/0x10f0
[  552.435622][ T7682]  netlink_unicast+0x53b/0x810
[  552.440603][ T7682]  ? netlink_attachskb+0x870/0x870
[  552.445812][ T7682]  ? __phys_addr_symbol+0x30/0x70
[  552.450844][ T7682]  ? __check_object_size+0x322/0x730
[  552.456225][ T7682]  netlink_sendmsg+0x939/0xe40
[  552.461104][ T7682]  ? netlink_unicast+0x810/0x810
[  552.466257][ T7682]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  552.471648][ T7682]  ? netlink_unicast+0x810/0x810
[  552.476683][ T7682]  __sock_sendmsg+0xd5/0x180
[  552.481297][ T7682]  ____sys_sendmsg+0x6ac/0x940
[  552.486156][ T7682]  ? copy_msghdr_from_user+0x10b/0x160
[  552.491870][ T7682]  ? kernel_sendmsg+0x50/0x50
[  552.496663][ T7682]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  552.502801][ T7682]  ___sys_sendmsg+0x135/0x1d0
[  552.507517][ T7682]  ? do_recvmmsg+0x740/0x740
[  552.512304][ T7682]  ? find_held_lock+0x2d/0x110
[  552.517268][ T7682]  ? preempt_count_sub+0x150/0x150
[  552.522614][ T7682]  ? __fget_light+0x1fa/0x260
[  552.527386][ T7682]  __sys_sendmsg+0x117/0x1e0
[  552.532128][ T7682]  ? __sys_sendmsg_sock+0x30/0x30
[  552.537825][ T7682]  ? syscall_enter_from_user_mode+0x26/0x80
[  552.543942][ T7682]  do_syscall_64+0x3f/0x110
[  552.548456][ T7682]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  552.554618][ T7682] RIP: 0033:0x7fa730b27eb9
[  552.559121][ T7682] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  552.578947][ T7682] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  552.587455][ T7682] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  552.595431][ T7682] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  552.603677][ T7682] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  552.611738][ T7682] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  552.619712][ T7682] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  552.627710][ T7682]  </TASK>
[  552.720002][ T7682] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  552.833671][ T7688] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  552.853356][ T7688] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  552.881804][ T7688] CPU: 0 PID: 7688 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  552.893960][ T7688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  552.904324][ T7688] Call Trace:
[  552.907816][ T7688]  <TASK>
[  552.910834][ T7688]  dump_stack_lvl+0x125/0x1b0
[  552.915566][ T7688]  sysfs_warn_dup+0x7f/0xa0
[  552.920133][ T7688]  sysfs_create_dir_ns+0x247/0x2a0
[  552.925294][ T7688]  ? sysfs_create_mount_point+0xb0/0xb0
[  552.931063][ T7688]  ? spin_bug+0x1c0/0x1c0
[  552.935614][ T7688]  ? net_namespace+0x12/0x40
[  552.940336][ T7688]  ? device_namespace+0x8d/0xc0
[  552.945339][ T7688]  kobject_add_internal+0x2c8/0x960
[  552.950781][ T7688]  kobject_add+0x16f/0x240
[  552.955353][ T7688]  ? kset_create_and_add+0x190/0x190
[  552.960871][ T7688]  ? do_raw_spin_unlock+0x172/0x230
[  552.966214][ T7688]  ? kobject_put+0xbe/0x440
[  552.970778][ T7688]  ? device_add+0xc35/0x1aa0
[  552.975510][ T7688]  device_add+0x289/0x1aa0
[  552.980055][ T7688]  ? device_initialize+0x510/0x510
[  552.985206][ T7688]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  552.991081][ T7688]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  552.998248][ T7688]  ? __init_waitqueue_head+0xca/0x150
[  553.003855][ T7688]  netdev_register_kobject+0x183/0x3f0
[  553.009369][ T7688]  register_netdevice+0xbdf/0x14a0
[  553.014723][ T7688]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  553.020673][ T7688]  ? team_nl_cmd_noop+0x280/0x280
[  553.025880][ T7688]  team_newlink+0x92/0x160
[  553.030487][ T7688]  ? team_nl_cmd_noop+0x280/0x280
[  553.035569][ T7688]  ? rtnl_create_link+0xa6d/0xfd0
[  553.040843][ T7688]  __rtnl_newlink+0x1173/0x1930
[  553.046013][ T7688]  ? rtnl_link_unregister+0x260/0x260
[  553.051618][ T7688]  rtnl_newlink+0x67/0xa0
[  553.056086][ T7688]  ? __rtnl_newlink+0x1930/0x1930
[  553.061165][ T7688]  rtnetlink_rcv_msg+0x3c7/0xe00
[  553.066158][ T7688]  ? rtnl_getlink+0xb40/0xb40
[  553.070973][ T7688]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  553.077196][ T7688]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  553.083417][ T7688]  ? __lock_acquire+0xc97/0x5dc0
[  553.088419][ T7688]  netlink_rcv_skb+0x16b/0x440
[  553.093491][ T7688]  ? rtnl_getlink+0xb40/0xb40
[  553.098281][ T7688]  ? netlink_ack+0x1370/0x1370
[  553.103267][ T7688]  ? lock_sync+0x180/0x180
[  553.107842][ T7688]  ? netlink_deliver_tap+0x1a0/0xd00
[  553.113354][ T7688]  ? _copy_from_iter+0x2c1/0x10f0
[  553.118790][ T7688]  netlink_unicast+0x53b/0x810
[  553.124043][ T7688]  ? netlink_attachskb+0x870/0x870
[  553.129654][ T7688]  ? __phys_addr_symbol+0x30/0x70
[  553.134734][ T7688]  ? __check_object_size+0x322/0x730
[  553.140164][ T7688]  netlink_sendmsg+0x939/0xe40
[  553.144990][ T7688]  ? netlink_unicast+0x810/0x810
[  553.150192][ T7688]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  553.155965][ T7688]  ? netlink_unicast+0x810/0x810
[  553.161130][ T7688]  __sock_sendmsg+0xd5/0x180
[  553.165946][ T7688]  ____sys_sendmsg+0x6ac/0x940
[  553.171035][ T7688]  ? copy_msghdr_from_user+0x10b/0x160
[  553.176633][ T7688]  ? kernel_sendmsg+0x50/0x50
[  553.181357][ T7688]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  553.187396][ T7688]  ___sys_sendmsg+0x135/0x1d0
[  553.192125][ T7688]  ? do_recvmmsg+0x740/0x740
[  553.197117][ T7688]  ? find_held_lock+0x2d/0x110
[  553.201956][ T7688]  ? preempt_count_sub+0x150/0x150
[  553.207316][ T7688]  ? __fget_light+0x1fa/0x260
[  553.212146][ T7688]  __sys_sendmsg+0x117/0x1e0
[  553.216826][ T7688]  ? __sys_sendmsg_sock+0x30/0x30
[  553.222285][ T7688]  ? syscall_enter_from_user_mode+0x26/0x80
[  553.228322][ T7688]  do_syscall_64+0x3f/0x110
[  553.233060][ T7688]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  553.239273][ T7688] RIP: 0033:0x7fa730b27eb9
[  553.243727][ T7688] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  553.264603][ T7688] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  553.273409][ T7688] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  553.281513][ T7688] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  553.289872][ T7688] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  553.298056][ T7688] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  553.306168][ T7688] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  553.314278][ T7688]  </TASK>
[  553.381975][ T7688] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  553.419808][ T7688] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  553.429178][ T7688] CPU: 1 PID: 7688 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  553.440674][ T7688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  553.451011][ T7688] Call Trace:
[  553.454294][ T7688]  <TASK>
[  553.457236][ T7688]  dump_stack_lvl+0x125/0x1b0
[  553.462022][ T7688]  sysfs_warn_dup+0x7f/0xa0
[  553.466536][ T7688]  sysfs_create_dir_ns+0x247/0x2a0
[  553.471661][ T7688]  ? sysfs_create_mount_point+0xb0/0xb0
[  553.477250][ T7688]  ? spin_bug+0x1c0/0x1c0
[  553.481646][ T7688]  ? net_namespace+0x12/0x40
[  553.486425][ T7688]  ? device_namespace+0x8d/0xc0
[  553.491333][ T7688]  kobject_add_internal+0x2c8/0x960
[  553.496577][ T7688]  kobject_add+0x16f/0x240
[  553.501028][ T7688]  ? kset_create_and_add+0x190/0x190
[  553.506341][ T7688]  ? do_raw_spin_unlock+0x172/0x230
[  553.511654][ T7688]  ? kobject_put+0xbe/0x440
[  553.516174][ T7688]  ? device_add+0xc35/0x1aa0
[  553.520861][ T7688]  device_add+0x289/0x1aa0
[  553.525286][ T7688]  ? device_initialize+0x510/0x510
[  553.530403][ T7688]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  553.536230][ T7688]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  553.543092][ T7688]  ? __init_waitqueue_head+0xca/0x150
[  553.548752][ T7688]  netdev_register_kobject+0x183/0x3f0
[  553.554316][ T7688]  register_netdevice+0xbdf/0x14a0
[  553.559621][ T7688]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  553.565691][ T7688]  ? validate_linkmsg+0x6fc/0x9c0
[  553.570730][ T7688]  ? rtnl_create_link+0xa6d/0xfd0
[  553.575769][ T7688]  ? batadv_get_sset_count+0x40/0x40
[  553.581162][ T7688]  batadv_softif_newlink+0x70/0x90
[  553.587161][ T7688]  __rtnl_newlink+0x1173/0x1930
[  553.592037][ T7688]  ? rtnl_link_unregister+0x260/0x260
[  553.597459][ T7688]  rtnl_newlink+0x67/0xa0
[  553.601817][ T7688]  ? __rtnl_newlink+0x1930/0x1930
[  553.606937][ T7688]  rtnetlink_rcv_msg+0x3c7/0xe00
[  553.612005][ T7688]  ? rtnl_getlink+0xb40/0xb40
[  553.616717][ T7688]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  553.622895][ T7688]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  553.629502][ T7688]  ? __lock_acquire+0xc97/0x5dc0
[  553.634558][ T7688]  netlink_rcv_skb+0x16b/0x440
[  553.639434][ T7688]  ? rtnl_getlink+0xb40/0xb40
[  553.644335][ T7688]  ? netlink_ack+0x1370/0x1370
[  553.649376][ T7688]  ? lock_sync+0x180/0x180
[  553.653818][ T7688]  ? netlink_deliver_tap+0x1a0/0xd00
[  553.659118][ T7688]  ? _copy_from_iter+0x2c1/0x10f0
[  553.664433][ T7688]  netlink_unicast+0x53b/0x810
[  553.669286][ T7688]  ? netlink_attachskb+0x870/0x870
[  553.674494][ T7688]  ? __phys_addr_symbol+0x30/0x70
[  553.679822][ T7688]  ? __check_object_size+0x322/0x730
[  553.685253][ T7688]  netlink_sendmsg+0x939/0xe40
[  553.690071][ T7688]  ? netlink_unicast+0x810/0x810
[  553.695055][ T7688]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  553.701450][ T7688]  ? netlink_unicast+0x810/0x810
[  553.706516][ T7688]  __sock_sendmsg+0xd5/0x180
[  553.711391][ T7688]  ____sys_sendmsg+0x6ac/0x940
[  553.716167][ T7688]  ? copy_msghdr_from_user+0x10b/0x160
[  553.721899][ T7688]  ? kernel_sendmsg+0x50/0x50
[  553.726848][ T7688]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  553.733027][ T7688]  ___sys_sendmsg+0x135/0x1d0
[  553.737977][ T7688]  ? do_recvmmsg+0x740/0x740
[  553.742577][ T7688]  ? find_held_lock+0x2d/0x110
[  553.747450][ T7688]  ? preempt_count_sub+0x150/0x150
[  553.752967][ T7688]  ? __fget_light+0x1fa/0x260
[  553.758012][ T7688]  __sys_sendmsg+0x117/0x1e0
[  553.762623][ T7688]  ? __sys_sendmsg_sock+0x30/0x30
[  553.767678][ T7688]  ? syscall_enter_from_user_mode+0x26/0x80
[  553.773590][ T7688]  do_syscall_64+0x3f/0x110
[  553.778113][ T7688]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  553.784373][ T7688] RIP: 0033:0x7fa730b27eb9
[  553.788797][ T7688] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  553.808503][ T7688] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  553.817240][ T7688] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  553.825310][ T7688] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  553.833379][ T7688] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  553.841615][ T7688] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  553.849586][ T7688] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  553.857582][ T7688]  </TASK>
[  553.890201][ T7688] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  553.961609][ T7704] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  553.986239][ T7704] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  554.005869][ T7704] CPU: 0 PID: 7704 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  554.017478][ T7704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  554.028700][ T7704] Call Trace:
[  554.031991][ T7704]  <TASK>
[  554.034942][ T7704]  dump_stack_lvl+0x125/0x1b0
[  554.039674][ T7704]  sysfs_warn_dup+0x7f/0xa0
[  554.044282][ T7704]  sysfs_create_dir_ns+0x247/0x2a0
[  554.049495][ T7704]  ? sysfs_create_mount_point+0xb0/0xb0
[  554.055135][ T7704]  ? spin_bug+0x1c0/0x1c0
[  554.059499][ T7704]  ? net_namespace+0x12/0x40
[  554.064096][ T7704]  ? device_namespace+0x8d/0xc0
[  554.068971][ T7704]  kobject_add_internal+0x2c8/0x960
[  554.074715][ T7704]  kobject_add+0x16f/0x240
[  554.079358][ T7704]  ? kset_create_and_add+0x190/0x190
[  554.084867][ T7704]  ? do_raw_spin_unlock+0x172/0x230
[  554.090181][ T7704]  ? kobject_put+0xbe/0x440
[  554.094932][ T7704]  ? device_add+0xc35/0x1aa0
[  554.099667][ T7704]  device_add+0x289/0x1aa0
[  554.104303][ T7704]  ? device_initialize+0x510/0x510
[  554.109795][ T7704]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  554.115639][ T7704]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  554.122521][ T7704]  ? __init_waitqueue_head+0xca/0x150
[  554.127918][ T7704]  netdev_register_kobject+0x183/0x3f0
[  554.133487][ T7704]  register_netdevice+0xbdf/0x14a0
[  554.138617][ T7704]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  554.144617][ T7704]  ? team_nl_cmd_noop+0x280/0x280
[  554.149744][ T7704]  team_newlink+0x92/0x160
[  554.155305][ T7704]  ? team_nl_cmd_noop+0x280/0x280
[  554.160472][ T7704]  ? rtnl_create_link+0xa6d/0xfd0
[  554.165827][ T7704]  __rtnl_newlink+0x1173/0x1930
[  554.170840][ T7704]  ? rtnl_link_unregister+0x260/0x260
[  554.176701][ T7704]  rtnl_newlink+0x67/0xa0
[  554.181132][ T7704]  ? __rtnl_newlink+0x1930/0x1930
[  554.186407][ T7704]  rtnetlink_rcv_msg+0x3c7/0xe00
[  554.191642][ T7704]  ? rtnl_getlink+0xb40/0xb40
[  554.196369][ T7704]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  554.202384][ T7704]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  554.208473][ T7704]  ? __lock_acquire+0xc97/0x5dc0
[  554.213792][ T7704]  netlink_rcv_skb+0x16b/0x440
[  554.218872][ T7704]  ? rtnl_getlink+0xb40/0xb40
[  554.223580][ T7704]  ? netlink_ack+0x1370/0x1370
[  554.228372][ T7704]  ? lock_sync+0x180/0x180
[  554.232915][ T7704]  ? netlink_deliver_tap+0x1a0/0xd00
[  554.238209][ T7704]  ? _copy_from_iter+0x2c1/0x10f0
[  554.243256][ T7704]  netlink_unicast+0x53b/0x810
[  554.248033][ T7704]  ? netlink_attachskb+0x870/0x870
[  554.253155][ T7704]  ? __phys_addr_symbol+0x30/0x70
[  554.258198][ T7704]  ? __check_object_size+0x322/0x730
[  554.263672][ T7704]  netlink_sendmsg+0x939/0xe40
[  554.268456][ T7704]  ? netlink_unicast+0x810/0x810
[  554.273409][ T7704]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  554.278888][ T7704]  ? netlink_unicast+0x810/0x810
[  554.284016][ T7704]  __sock_sendmsg+0xd5/0x180
[  554.288702][ T7704]  ____sys_sendmsg+0x6ac/0x940
[  554.293471][ T7704]  ? copy_msghdr_from_user+0x10b/0x160
[  554.298955][ T7704]  ? kernel_sendmsg+0x50/0x50
[  554.303817][ T7704]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  554.309849][ T7704]  ___sys_sendmsg+0x135/0x1d0
[  554.314560][ T7704]  ? do_recvmmsg+0x740/0x740
[  554.319180][ T7704]  ? find_held_lock+0x2d/0x110
[  554.323989][ T7704]  ? preempt_count_sub+0x150/0x150
[  554.329210][ T7704]  ? __fget_light+0x1fa/0x260
[  554.333994][ T7704]  __sys_sendmsg+0x117/0x1e0
[  554.338853][ T7704]  ? __sys_sendmsg_sock+0x30/0x30
[  554.343900][ T7704]  ? syscall_enter_from_user_mode+0x26/0x80
[  554.349804][ T7704]  do_syscall_64+0x3f/0x110
[  554.354491][ T7704]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  554.360568][ T7704] RIP: 0033:0x7fa730b27eb9
[  554.365071][ T7704] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  554.385196][ T7704] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  554.393709][ T7704] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  554.401685][ T7704] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  554.410183][ T7704] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  554.418245][ T7704] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  554.426226][ T7704] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  554.434430][ T7704]  </TASK>
[  554.455364][ T7704] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  554.499027][ T7704] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  554.511272][ T7704] CPU: 0 PID: 7704 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  554.522722][ T7704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  554.533166][ T7704] Call Trace:
[  554.536724][ T7704]  <TASK>
[  554.539668][ T7704]  dump_stack_lvl+0x125/0x1b0
[  554.544388][ T7704]  sysfs_warn_dup+0x7f/0xa0
[  554.548914][ T7704]  sysfs_create_dir_ns+0x247/0x2a0
[  554.554075][ T7704]  ? sysfs_create_mount_point+0xb0/0xb0
[  554.559665][ T7704]  ? spin_bug+0x1c0/0x1c0
[  554.564397][ T7704]  ? net_namespace+0x12/0x40
[  554.569017][ T7704]  ? device_namespace+0x8d/0xc0
[  554.574003][ T7704]  kobject_add_internal+0x2c8/0x960
[  554.579278][ T7704]  kobject_add+0x16f/0x240
[  554.583932][ T7704]  ? kset_create_and_add+0x190/0x190
[  554.589525][ T7704]  ? do_raw_spin_unlock+0x172/0x230
[  554.594804][ T7704]  ? kobject_put+0xbe/0x440
[  554.599447][ T7704]  ? device_add+0xc35/0x1aa0
[  554.604174][ T7704]  device_add+0x289/0x1aa0
[  554.608653][ T7704]  ? device_initialize+0x510/0x510
[  554.613969][ T7704]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  554.619835][ T7704]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  554.626827][ T7704]  ? __init_waitqueue_head+0xca/0x150
[  554.632519][ T7704]  netdev_register_kobject+0x183/0x3f0
[  554.638041][ T7704]  register_netdevice+0xbdf/0x14a0
[  554.643379][ T7704]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  554.649324][ T7704]  ? validate_linkmsg+0x6fc/0x9c0
[  554.654545][ T7704]  ? rtnl_create_link+0xa6d/0xfd0
[  554.659755][ T7704]  ? batadv_get_sset_count+0x40/0x40
[  554.665206][ T7704]  batadv_softif_newlink+0x70/0x90
[  554.670843][ T7704]  __rtnl_newlink+0x1173/0x1930
[  554.676028][ T7704]  ? rtnl_link_unregister+0x260/0x260
[  554.681486][ T7704]  rtnl_newlink+0x67/0xa0
[  554.686148][ T7704]  ? __rtnl_newlink+0x1930/0x1930
[  554.691214][ T7704]  rtnetlink_rcv_msg+0x3c7/0xe00
[  554.696474][ T7704]  ? rtnl_getlink+0xb40/0xb40
[  554.701200][ T7704]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  554.707319][ T7704]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  554.713355][ T7704]  ? __lock_acquire+0xc97/0x5dc0
[  554.718427][ T7704]  netlink_rcv_skb+0x16b/0x440
[  554.723235][ T7704]  ? rtnl_getlink+0xb40/0xb40
[  554.727952][ T7704]  ? netlink_ack+0x1370/0x1370
[  554.733016][ T7704]  ? lock_sync+0x180/0x180
[  554.737506][ T7704]  ? netlink_deliver_tap+0x1a0/0xd00
[  554.743103][ T7704]  ? _copy_from_iter+0x2c1/0x10f0
[  554.748268][ T7704]  netlink_unicast+0x53b/0x810
[  554.753522][ T7704]  ? netlink_attachskb+0x870/0x870
[  554.758767][ T7704]  ? __phys_addr_symbol+0x30/0x70
[  554.763919][ T7704]  ? __check_object_size+0x322/0x730
[  554.769329][ T7704]  netlink_sendmsg+0x939/0xe40
[  554.774404][ T7704]  ? netlink_unicast+0x810/0x810
[  554.779402][ T7704]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  554.784831][ T7704]  ? netlink_unicast+0x810/0x810
[  554.789911][ T7704]  __sock_sendmsg+0xd5/0x180
[  554.794541][ T7704]  ____sys_sendmsg+0x6ac/0x940
[  554.799527][ T7704]  ? copy_msghdr_from_user+0x10b/0x160
[  554.805030][ T7704]  ? kernel_sendmsg+0x50/0x50
[  554.809926][ T7704]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  554.816041][ T7704]  ___sys_sendmsg+0x135/0x1d0
[  554.820760][ T7704]  ? do_recvmmsg+0x740/0x740
[  554.825554][ T7704]  ? find_held_lock+0x2d/0x110
[  554.830547][ T7704]  ? preempt_count_sub+0x150/0x150
[  554.837455][ T7704]  ? __fget_light+0x1fa/0x260
[  554.842198][ T7704]  __sys_sendmsg+0x117/0x1e0
[  554.846837][ T7704]  ? __sys_sendmsg_sock+0x30/0x30
[  554.852098][ T7704]  ? syscall_enter_from_user_mode+0x26/0x80
[  554.858218][ T7704]  do_syscall_64+0x3f/0x110
[  554.862975][ T7704]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  554.868922][ T7704] RIP: 0033:0x7fa730b27eb9
[  554.873478][ T7704] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  554.893758][ T7704] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  554.902225][ T7704] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  554.910243][ T7704] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  554.918265][ T7704] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  554.926362][ T7704] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  554.934558][ T7704] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  554.942842][ T7704]  </TASK>
[  554.972765][ T7704] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  555.095240][ T7723] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  555.108089][ T7723] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  555.117664][ T7723] CPU: 0 PID: 7723 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  555.129185][ T7723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  555.139359][ T7723] Call Trace:
[  555.142862][ T7723]  <TASK>
[  555.145983][ T7723]  dump_stack_lvl+0x125/0x1b0
[  555.150798][ T7723]  sysfs_warn_dup+0x7f/0xa0
[  555.155346][ T7723]  sysfs_create_dir_ns+0x247/0x2a0
[  555.160589][ T7723]  ? sysfs_create_mount_point+0xb0/0xb0
[  555.166454][ T7723]  ? spin_bug+0x1c0/0x1c0
[  555.170828][ T7723]  ? net_namespace+0x12/0x40
[  555.175461][ T7723]  ? device_namespace+0x8d/0xc0
[  555.180473][ T7723]  kobject_add_internal+0x2c8/0x960
[  555.185735][ T7723]  kobject_add+0x16f/0x240
[  555.190282][ T7723]  ? kset_create_and_add+0x190/0x190
[  555.195694][ T7723]  ? do_raw_spin_unlock+0x172/0x230
[  555.200941][ T7723]  ? kobject_put+0xbe/0x440
[  555.205481][ T7723]  ? device_add+0xc35/0x1aa0
[  555.210113][ T7723]  device_add+0x289/0x1aa0
[  555.214653][ T7723]  ? device_initialize+0x510/0x510
[  555.219880][ T7723]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  555.225827][ T7723]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  555.232803][ T7723]  ? __init_waitqueue_head+0xca/0x150
[  555.238221][ T7723]  netdev_register_kobject+0x183/0x3f0
[  555.243895][ T7723]  register_netdevice+0xbdf/0x14a0
[  555.249047][ T7723]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  555.255094][ T7723]  ? team_nl_cmd_noop+0x280/0x280
[  555.260350][ T7723]  team_newlink+0x92/0x160
[  555.264800][ T7723]  ? team_nl_cmd_noop+0x280/0x280
[  555.269959][ T7723]  ? rtnl_create_link+0xa6d/0xfd0
[  555.275032][ T7723]  __rtnl_newlink+0x1173/0x1930
[  555.280011][ T7723]  ? rtnl_link_unregister+0x260/0x260
[  555.285445][ T7723]  rtnl_newlink+0x67/0xa0
[  555.289886][ T7723]  ? __rtnl_newlink+0x1930/0x1930
[  555.295020][ T7723]  rtnetlink_rcv_msg+0x3c7/0xe00
[  555.299982][ T7723]  ? rtnl_getlink+0xb40/0xb40
[  555.304677][ T7723]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  555.310717][ T7723]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  555.316816][ T7723]  ? __lock_acquire+0xc97/0x5dc0
[  555.321884][ T7723]  netlink_rcv_skb+0x16b/0x440
[  555.326854][ T7723]  ? rtnl_getlink+0xb40/0xb40
[  555.331904][ T7723]  ? netlink_ack+0x1370/0x1370
[  555.336787][ T7723]  ? lock_sync+0x180/0x180
[  555.341271][ T7723]  ? netlink_deliver_tap+0x1a0/0xd00
[  555.346586][ T7723]  ? _copy_from_iter+0x2c1/0x10f0
[  555.351653][ T7723]  netlink_unicast+0x53b/0x810
[  555.356640][ T7723]  ? netlink_attachskb+0x870/0x870
[  555.361776][ T7723]  ? __phys_addr_symbol+0x30/0x70
[  555.366826][ T7723]  ? __check_object_size+0x322/0x730
[  555.372229][ T7723]  netlink_sendmsg+0x939/0xe40
[  555.377027][ T7723]  ? netlink_unicast+0x810/0x810
[  555.382091][ T7723]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  555.387400][ T7723]  ? netlink_unicast+0x810/0x810
[  555.392539][ T7723]  __sock_sendmsg+0xd5/0x180
[  555.397152][ T7723]  ____sys_sendmsg+0x6ac/0x940
[  555.401939][ T7723]  ? copy_msghdr_from_user+0x10b/0x160
[  555.407600][ T7723]  ? kernel_sendmsg+0x50/0x50
[  555.412390][ T7723]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  555.418677][ T7723]  ___sys_sendmsg+0x135/0x1d0
[  555.423388][ T7723]  ? do_recvmmsg+0x740/0x740
[  555.428000][ T7723]  ? find_held_lock+0x2d/0x110
[  555.432809][ T7723]  ? preempt_count_sub+0x150/0x150
[  555.438135][ T7723]  ? __fget_light+0x1fa/0x260
[  555.442851][ T7723]  __sys_sendmsg+0x117/0x1e0
[  555.448510][ T7723]  ? __sys_sendmsg_sock+0x30/0x30
[  555.453938][ T7723]  ? syscall_enter_from_user_mode+0x26/0x80
[  555.459956][ T7723]  do_syscall_64+0x3f/0x110
[  555.464727][ T7723]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  555.470651][ T7723] RIP: 0033:0x7fa730b27eb9
[  555.475447][ T7723] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  555.495610][ T7723] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  555.505007][ T7723] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  555.513005][ T7723] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  555.521082][ T7723] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  555.529360][ T7723] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  555.537443][ T7723] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  555.545452][ T7723]  </TASK>
[  555.549635][ T7723] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  555.577211][ T7723] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  555.586516][ T7723] CPU: 0 PID: 7723 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  555.598018][ T7723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  555.608448][ T7723] Call Trace:
[  555.611843][ T7723]  <TASK>
[  555.615051][ T7723]  dump_stack_lvl+0x125/0x1b0
[  555.620115][ T7723]  sysfs_warn_dup+0x7f/0xa0
[  555.624731][ T7723]  sysfs_create_dir_ns+0x247/0x2a0
[  555.630222][ T7723]  ? sysfs_create_mount_point+0xb0/0xb0
[  555.635884][ T7723]  ? spin_bug+0x1c0/0x1c0
[  555.640249][ T7723]  ? net_namespace+0x12/0x40
[  555.645819][ T7723]  ? device_namespace+0x8d/0xc0
[  555.651137][ T7723]  kobject_add_internal+0x2c8/0x960
[  555.656378][ T7723]  kobject_add+0x16f/0x240
[  555.660914][ T7723]  ? kset_create_and_add+0x190/0x190
[  555.666413][ T7723]  ? do_raw_spin_unlock+0x172/0x230
[  555.671825][ T7723]  ? kobject_put+0xbe/0x440
[  555.676376][ T7723]  ? device_add+0xc35/0x1aa0
[  555.681008][ T7723]  device_add+0x289/0x1aa0
[  555.685467][ T7723]  ? device_initialize+0x510/0x510
[  555.690774][ T7723]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  555.696615][ T7723]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  555.703513][ T7723]  ? __init_waitqueue_head+0xca/0x150
[  555.709614][ T7723]  netdev_register_kobject+0x183/0x3f0
[  555.715665][ T7723]  register_netdevice+0xbdf/0x14a0
[  555.720994][ T7723]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  555.727015][ T7723]  ? validate_linkmsg+0x6fc/0x9c0
[  555.732171][ T7723]  ? rtnl_create_link+0xa6d/0xfd0
[  555.737598][ T7723]  ? batadv_get_sset_count+0x40/0x40
[  555.743106][ T7723]  batadv_softif_newlink+0x70/0x90
[  555.748355][ T7723]  __rtnl_newlink+0x1173/0x1930
[  555.753705][ T7723]  ? rtnl_link_unregister+0x260/0x260
[  555.759274][ T7723]  rtnl_newlink+0x67/0xa0
[  555.763819][ T7723]  ? __rtnl_newlink+0x1930/0x1930
[  555.770020][ T7723]  rtnetlink_rcv_msg+0x3c7/0xe00
[  555.775195][ T7723]  ? rtnl_getlink+0xb40/0xb40
[  555.780370][ T7723]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  555.786666][ T7723]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  555.793495][ T7723]  ? __lock_acquire+0xc97/0x5dc0
[  555.798516][ T7723]  netlink_rcv_skb+0x16b/0x440
[  555.803516][ T7723]  ? rtnl_getlink+0xb40/0xb40
[  555.808455][ T7723]  ? netlink_ack+0x1370/0x1370
[  555.813818][ T7723]  ? lock_sync+0x180/0x180
[  555.818960][ T7723]  ? netlink_deliver_tap+0x1a0/0xd00
[  555.824765][ T7723]  ? _copy_from_iter+0x2c1/0x10f0
[  555.830293][ T7723]  netlink_unicast+0x53b/0x810
[  555.835741][ T7723]  ? netlink_attachskb+0x870/0x870
[  555.841024][ T7723]  ? __phys_addr_symbol+0x30/0x70
[  555.846090][ T7723]  ? __check_object_size+0x322/0x730
[  555.851425][ T7723]  netlink_sendmsg+0x939/0xe40
[  555.856259][ T7723]  ? netlink_unicast+0x810/0x810
[  555.861365][ T7723]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  555.866696][ T7723]  ? netlink_unicast+0x810/0x810
[  555.871867][ T7723]  __sock_sendmsg+0xd5/0x180
[  555.876602][ T7723]  ____sys_sendmsg+0x6ac/0x940
[  555.881589][ T7723]  ? copy_msghdr_from_user+0x10b/0x160
[  555.887198][ T7723]  ? kernel_sendmsg+0x50/0x50
[  555.892108][ T7723]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  555.898614][ T7723]  ___sys_sendmsg+0x135/0x1d0
[  555.903340][ T7723]  ? do_recvmmsg+0x740/0x740
[  555.907974][ T7723]  ? find_held_lock+0x2d/0x110
[  555.912938][ T7723]  ? preempt_count_sub+0x150/0x150
[  555.918203][ T7723]  ? __fget_light+0x1fa/0x260
[  555.923541][ T7723]  __sys_sendmsg+0x117/0x1e0
[  555.928516][ T7723]  ? __sys_sendmsg_sock+0x30/0x30
[  555.934809][ T7723]  ? syscall_enter_from_user_mode+0x26/0x80
[  555.941001][ T7723]  do_syscall_64+0x3f/0x110
[  555.945546][ T7723]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  555.952091][ T7723] RIP: 0033:0x7fa730b27eb9
[  555.956810][ T7723] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  555.976968][ T7723] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  555.985596][ T7723] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  555.994039][ T7723] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  556.002942][ T7723] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  556.011478][ T7723] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  556.020901][ T7723] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  556.029909][ T7723]  </TASK>
[  556.033800][ T7723] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  556.083748][ T7724] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  556.095131][ T7724] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  556.104721][ T7724] CPU: 0 PID: 7724 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  556.116331][ T7724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  556.126774][ T7724] Call Trace:
[  556.130107][ T7724]  <TASK>
[  556.133172][ T7724]  dump_stack_lvl+0x125/0x1b0
[  556.137909][ T7724]  sysfs_warn_dup+0x7f/0xa0
[  556.142649][ T7724]  sysfs_create_dir_ns+0x247/0x2a0
[  556.147820][ T7724]  ? sysfs_create_mount_point+0xb0/0xb0
[  556.153489][ T7724]  ? spin_bug+0x1c0/0x1c0
[  556.157861][ T7724]  ? net_namespace+0x12/0x40
[  556.162732][ T7724]  ? device_namespace+0x8d/0xc0
[  556.168133][ T7724]  kobject_add_internal+0x2c8/0x960
[  556.173594][ T7724]  kobject_add+0x16f/0x240
[  556.178071][ T7724]  ? kset_create_and_add+0x190/0x190
[  556.183754][ T7724]  ? do_raw_spin_unlock+0x172/0x230
[  556.189119][ T7724]  ? kobject_put+0xbe/0x440
[  556.193671][ T7724]  ? device_add+0xc35/0x1aa0
[  556.198404][ T7724]  device_add+0x289/0x1aa0
[  556.203572][ T7724]  ? device_initialize+0x510/0x510
[  556.208882][ T7724]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  556.214789][ T7724]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  556.221884][ T7724]  ? __init_waitqueue_head+0xca/0x150
[  556.227307][ T7724]  netdev_register_kobject+0x183/0x3f0
[  556.232994][ T7724]  register_netdevice+0xbdf/0x14a0
[  556.238167][ T7724]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  556.244473][ T7724]  ? team_nl_cmd_noop+0x280/0x280
[  556.249724][ T7724]  team_newlink+0x92/0x160
[  556.254264][ T7724]  ? team_nl_cmd_noop+0x280/0x280
[  556.259765][ T7724]  ? rtnl_create_link+0xa6d/0xfd0
[  556.264869][ T7724]  __rtnl_newlink+0x1173/0x1930
[  556.269922][ T7724]  ? rtnl_link_unregister+0x260/0x260
[  556.275513][ T7724]  rtnl_newlink+0x67/0xa0
[  556.280078][ T7724]  ? __rtnl_newlink+0x1930/0x1930
[  556.285152][ T7724]  rtnetlink_rcv_msg+0x3c7/0xe00
[  556.290376][ T7724]  ? rtnl_getlink+0xb40/0xb40
[  556.295235][ T7724]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  556.301351][ T7724]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  556.307461][ T7724]  ? __lock_acquire+0xc97/0x5dc0
[  556.312448][ T7724]  netlink_rcv_skb+0x16b/0x440
[  556.317447][ T7724]  ? rtnl_getlink+0xb40/0xb40
[  556.322179][ T7724]  ? netlink_ack+0x1370/0x1370
[  556.327106][ T7724]  ? lock_sync+0x180/0x180
[  556.331693][ T7724]  ? netlink_deliver_tap+0x1a0/0xd00
[  556.337116][ T7724]  ? _copy_from_iter+0x2c1/0x10f0
[  556.342199][ T7724]  netlink_unicast+0x53b/0x810
[  556.347010][ T7724]  ? netlink_attachskb+0x870/0x870
[  556.352254][ T7724]  ? __phys_addr_symbol+0x30/0x70
[  556.357308][ T7724]  ? __check_object_size+0x322/0x730
[  556.362629][ T7724]  netlink_sendmsg+0x939/0xe40
[  556.367455][ T7724]  ? netlink_unicast+0x810/0x810
[  556.372456][ T7724]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  556.377793][ T7724]  ? netlink_unicast+0x810/0x810
[  556.382787][ T7724]  __sock_sendmsg+0xd5/0x180
[  556.387433][ T7724]  ____sys_sendmsg+0x6ac/0x940
[  556.392327][ T7724]  ? copy_msghdr_from_user+0x10b/0x160
[  556.397826][ T7724]  ? kernel_sendmsg+0x50/0x50
[  556.402639][ T7724]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  556.408842][ T7724]  ___sys_sendmsg+0x135/0x1d0
[  556.413662][ T7724]  ? do_recvmmsg+0x740/0x740
[  556.418520][ T7724]  ? find_held_lock+0x2d/0x110
[  556.423514][ T7724]  ? preempt_count_sub+0x150/0x150
[  556.428780][ T7724]  ? __fget_light+0x1fa/0x260
[  556.433511][ T7724]  __sys_sendmsg+0x117/0x1e0
[  556.438228][ T7724]  ? __sys_sendmsg_sock+0x30/0x30
[  556.443322][ T7724]  ? syscall_enter_from_user_mode+0x26/0x80
[  556.449300][ T7724]  do_syscall_64+0x3f/0x110
[  556.454039][ T7724]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  556.459981][ T7724] RIP: 0033:0x7fa730b27eb9
[  556.464425][ T7724] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  556.484159][ T7724] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  556.492623][ T7724] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  556.500751][ T7724] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  556.509019][ T7724] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  556.517286][ T7724] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  556.525375][ T7724] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  556.533747][ T7724]  </TASK>
[  556.537809][ T7724] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  556.583056][ T7724] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  556.596405][ T7724] CPU: 0 PID: 7724 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  556.608796][ T7724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  556.619417][ T7724] Call Trace:
[  556.622738][ T7724]  <TASK>
[  556.625776][ T7724]  dump_stack_lvl+0x125/0x1b0
[  556.630587][ T7724]  sysfs_warn_dup+0x7f/0xa0
[  556.635129][ T7724]  sysfs_create_dir_ns+0x247/0x2a0
[  556.640479][ T7724]  ? sysfs_create_mount_point+0xb0/0xb0
[  556.646676][ T7724]  ? spin_bug+0x1c0/0x1c0
[  556.651053][ T7724]  ? net_namespace+0x12/0x40
[  556.655685][ T7724]  ? device_namespace+0x8d/0xc0
[  556.661553][ T7724]  kobject_add_internal+0x2c8/0x960
[  556.667844][ T7724]  kobject_add+0x16f/0x240
[  556.672548][ T7724]  ? kset_create_and_add+0x190/0x190
[  556.678201][ T7724]  ? do_raw_spin_unlock+0x172/0x230
[  556.683502][ T7724]  ? kobject_put+0xbe/0x440
[  556.688018][ T7724]  ? device_add+0xc35/0x1aa0
[  556.692637][ T7724]  device_add+0x289/0x1aa0
[  556.697074][ T7724]  ? device_initialize+0x510/0x510
[  556.702198][ T7724]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  556.708017][ T7724]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  556.715160][ T7724]  ? __init_waitqueue_head+0xca/0x150
[  556.720674][ T7724]  netdev_register_kobject+0x183/0x3f0
[  556.727050][ T7724]  register_netdevice+0xbdf/0x14a0
[  556.732274][ T7724]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  556.738178][ T7724]  ? validate_linkmsg+0x6fc/0x9c0
[  556.743309][ T7724]  ? rtnl_create_link+0xa6d/0xfd0
[  556.748351][ T7724]  ? batadv_get_sset_count+0x40/0x40
[  556.753738][ T7724]  batadv_softif_newlink+0x70/0x90
[  556.759046][ T7724]  __rtnl_newlink+0x1173/0x1930
[  556.764146][ T7724]  ? rtnl_link_unregister+0x260/0x260
[  556.769695][ T7724]  rtnl_newlink+0x67/0xa0
[  556.774162][ T7724]  ? __rtnl_newlink+0x1930/0x1930
[  556.779321][ T7724]  rtnetlink_rcv_msg+0x3c7/0xe00
[  556.784282][ T7724]  ? rtnl_getlink+0xb40/0xb40
[  556.789067][ T7724]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  556.795601][ T7724]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  556.801686][ T7724]  ? __lock_acquire+0xc97/0x5dc0
[  556.806648][ T7724]  netlink_rcv_skb+0x16b/0x440
[  556.811625][ T7724]  ? rtnl_getlink+0xb40/0xb40
[  556.816399][ T7724]  ? netlink_ack+0x1370/0x1370
[  556.821387][ T7724]  ? lock_sync+0x180/0x180
[  556.825852][ T7724]  ? netlink_deliver_tap+0x1a0/0xd00
[  556.831553][ T7724]  ? _copy_from_iter+0x2c1/0x10f0
[  556.836643][ T7724]  netlink_unicast+0x53b/0x810
[  556.841705][ T7724]  ? netlink_attachskb+0x870/0x870
[  556.846862][ T7724]  ? __phys_addr_symbol+0x30/0x70
[  556.852076][ T7724]  ? __check_object_size+0x322/0x730
[  556.857553][ T7724]  netlink_sendmsg+0x939/0xe40
[  556.862340][ T7724]  ? netlink_unicast+0x810/0x810
[  556.867297][ T7724]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  556.872766][ T7724]  ? netlink_unicast+0x810/0x810
[  556.877819][ T7724]  __sock_sendmsg+0xd5/0x180
[  556.882595][ T7724]  ____sys_sendmsg+0x6ac/0x940
[  556.887513][ T7724]  ? copy_msghdr_from_user+0x10b/0x160
[  556.893069][ T7724]  ? kernel_sendmsg+0x50/0x50
[  556.897857][ T7724]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  556.903868][ T7724]  ___sys_sendmsg+0x135/0x1d0
[  556.908573][ T7724]  ? do_recvmmsg+0x740/0x740
[  556.913174][ T7724]  ? find_held_lock+0x2d/0x110
[  556.918307][ T7724]  ? preempt_count_sub+0x150/0x150
[  556.923438][ T7724]  ? __fget_light+0x1fa/0x260
[  556.928225][ T7724]  __sys_sendmsg+0x117/0x1e0
[  556.932915][ T7724]  ? __sys_sendmsg_sock+0x30/0x30
[  556.937966][ T7724]  ? syscall_enter_from_user_mode+0x26/0x80
[  556.944131][ T7724]  do_syscall_64+0x3f/0x110
[  556.949043][ T7724]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  556.955054][ T7724] RIP: 0033:0x7fa730b27eb9
[  556.959657][ T7724] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  556.979784][ T7724] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  556.988396][ T7724] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  556.996554][ T7724] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  557.004531][ T7724] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  557.012517][ T7724] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  557.021217][ T7724] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  557.029569][ T7724]  </TASK>
[  557.047720][ T7724] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  557.134116][ T7725] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  557.147056][ T7725] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  557.156801][ T7725] CPU: 1 PID: 7725 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  557.168128][ T7725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  557.178402][ T7725] Call Trace:
[  557.182002][ T7725]  <TASK>
[  557.185145][ T7725]  dump_stack_lvl+0x125/0x1b0
[  557.190068][ T7725]  sysfs_warn_dup+0x7f/0xa0
[  557.195346][ T7725]  sysfs_create_dir_ns+0x247/0x2a0
[  557.200844][ T7725]  ? sysfs_create_mount_point+0xb0/0xb0
[  557.206766][ T7725]  ? spin_bug+0x1c0/0x1c0
[  557.211522][ T7725]  ? net_namespace+0x12/0x40
[  557.216335][ T7725]  ? device_namespace+0x8d/0xc0
[  557.221509][ T7725]  kobject_add_internal+0x2c8/0x960
[  557.226932][ T7725]  kobject_add+0x16f/0x240
[  557.231921][ T7725]  ? kset_create_and_add+0x190/0x190
[  557.237593][ T7725]  ? do_raw_spin_unlock+0x172/0x230
[  557.243093][ T7725]  ? kobject_put+0xbe/0x440
[  557.247737][ T7725]  ? device_add+0xc35/0x1aa0
[  557.252658][ T7725]  device_add+0x289/0x1aa0
[  557.257321][ T7725]  ? device_initialize+0x510/0x510
[  557.262464][ T7725]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  557.268485][ T7725]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  557.275648][ T7725]  ? __init_waitqueue_head+0xca/0x150
[  557.281243][ T7725]  netdev_register_kobject+0x183/0x3f0
[  557.287006][ T7725]  register_netdevice+0xbdf/0x14a0
[  557.292154][ T7725]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  557.298347][ T7725]  ? team_nl_cmd_noop+0x280/0x280
[  557.303496][ T7725]  team_newlink+0x92/0x160
[  557.308128][ T7725]  ? team_nl_cmd_noop+0x280/0x280
[  557.313457][ T7725]  ? rtnl_create_link+0xa6d/0xfd0
[  557.319046][ T7725]  __rtnl_newlink+0x1173/0x1930
[  557.324219][ T7725]  ? rtnl_link_unregister+0x260/0x260
[  557.329751][ T7725]  rtnl_newlink+0x67/0xa0
[  557.334202][ T7725]  ? __rtnl_newlink+0x1930/0x1930
[  557.339343][ T7725]  rtnetlink_rcv_msg+0x3c7/0xe00
[  557.344502][ T7725]  ? rtnl_getlink+0xb40/0xb40
[  557.349201][ T7725]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  557.355306][ T7725]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  557.361594][ T7725]  ? __lock_acquire+0xc97/0x5dc0
[  557.366871][ T7725]  netlink_rcv_skb+0x16b/0x440
[  557.371848][ T7725]  ? rtnl_getlink+0xb40/0xb40
[  557.376662][ T7725]  ? netlink_ack+0x1370/0x1370
[  557.381453][ T7725]  ? lock_sync+0x180/0x180
[  557.386035][ T7725]  ? netlink_deliver_tap+0x1a0/0xd00
[  557.391614][ T7725]  ? _copy_from_iter+0x2c1/0x10f0
[  557.396767][ T7725]  netlink_unicast+0x53b/0x810
[  557.401566][ T7725]  ? netlink_attachskb+0x870/0x870
[  557.406734][ T7725]  ? __phys_addr_symbol+0x30/0x70
[  557.411888][ T7725]  ? __check_object_size+0x322/0x730
[  557.417225][ T7725]  netlink_sendmsg+0x939/0xe40
[  557.422131][ T7725]  ? netlink_unicast+0x810/0x810
[  557.427282][ T7725]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  557.432681][ T7725]  ? netlink_unicast+0x810/0x810
[  557.437656][ T7725]  __sock_sendmsg+0xd5/0x180
[  557.442549][ T7725]  ____sys_sendmsg+0x6ac/0x940
[  557.447628][ T7725]  ? copy_msghdr_from_user+0x10b/0x160
[  557.453212][ T7725]  ? kernel_sendmsg+0x50/0x50
[  557.458006][ T7725]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  557.464028][ T7725]  ___sys_sendmsg+0x135/0x1d0
[  557.468735][ T7725]  ? do_recvmmsg+0x740/0x740
[  557.473352][ T7725]  ? find_held_lock+0x2d/0x110
[  557.478254][ T7725]  ? preempt_count_sub+0x150/0x150
[  557.483494][ T7725]  ? __fget_light+0x1fa/0x260
[  557.488205][ T7725]  __sys_sendmsg+0x117/0x1e0
[  557.492930][ T7725]  ? __sys_sendmsg_sock+0x30/0x30
[  557.498066][ T7725]  ? syscall_enter_from_user_mode+0x26/0x80
[  557.504003][ T7725]  do_syscall_64+0x3f/0x110
[  557.508557][ T7725]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  557.515444][ T7725] RIP: 0033:0x7fa730b27eb9
[  557.520068][ T7725] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  557.540522][ T7725] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  557.548979][ T7725] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  557.557245][ T7725] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  557.565370][ T7725] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  557.573376][ T7725] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  557.581475][ T7725] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  557.589582][ T7725]  </TASK>
[  557.605249][ T7725] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  557.634980][ T7725] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  557.644808][ T7725] CPU: 1 PID: 7725 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  557.656166][ T7725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  557.666423][ T7725] Call Trace:
[  557.669721][ T7725]  <TASK>
[  557.672759][ T7725]  dump_stack_lvl+0x125/0x1b0
[  557.681149][ T7725]  sysfs_warn_dup+0x7f/0xa0
[  557.685705][ T7725]  sysfs_create_dir_ns+0x247/0x2a0
[  557.690855][ T7725]  ? sysfs_create_mount_point+0xb0/0xb0
[  557.696514][ T7725]  ? spin_bug+0x1c0/0x1c0
[  557.700890][ T7725]  ? net_namespace+0x12/0x40
[  557.705597][ T7725]  ? device_namespace+0x8d/0xc0
[  557.710681][ T7725]  kobject_add_internal+0x2c8/0x960
[  557.716096][ T7725]  kobject_add+0x16f/0x240
[  557.720569][ T7725]  ? kset_create_and_add+0x190/0x190
[  557.725917][ T7725]  ? do_raw_spin_unlock+0x172/0x230
[  557.731169][ T7725]  ? kobject_put+0xbe/0x440
[  557.735821][ T7725]  ? device_add+0xc35/0x1aa0
[  557.740639][ T7725]  device_add+0x289/0x1aa0
[  557.745096][ T7725]  ? device_initialize+0x510/0x510
[  557.750496][ T7725]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  557.756742][ T7725]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  557.763721][ T7725]  ? __init_waitqueue_head+0xca/0x150
[  557.769295][ T7725]  netdev_register_kobject+0x183/0x3f0
[  557.774903][ T7725]  register_netdevice+0xbdf/0x14a0
[  557.780138][ T7725]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  557.786049][ T7725]  ? validate_linkmsg+0x6fc/0x9c0
[  557.791094][ T7725]  ? rtnl_create_link+0xa6d/0xfd0
[  557.796317][ T7725]  ? batadv_get_sset_count+0x40/0x40
[  557.801630][ T7725]  batadv_softif_newlink+0x70/0x90
[  557.806799][ T7725]  __rtnl_newlink+0x1173/0x1930
[  557.811760][ T7725]  ? rtnl_link_unregister+0x260/0x260
[  557.817430][ T7725]  rtnl_newlink+0x67/0xa0
[  557.821870][ T7725]  ? __rtnl_newlink+0x1930/0x1930
[  557.827170][ T7725]  rtnetlink_rcv_msg+0x3c7/0xe00
[  557.832204][ T7725]  ? rtnl_getlink+0xb40/0xb40
[  557.836889][ T7725]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  557.842999][ T7725]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  557.849012][ T7725]  ? __lock_acquire+0xc97/0x5dc0
[  557.854074][ T7725]  netlink_rcv_skb+0x16b/0x440
[  557.859222][ T7725]  ? rtnl_getlink+0xb40/0xb40
[  557.863930][ T7725]  ? netlink_ack+0x1370/0x1370
[  557.868731][ T7725]  ? lock_sync+0x180/0x180
[  557.873303][ T7725]  ? netlink_deliver_tap+0x1a0/0xd00
[  557.881542][ T7725]  ? _copy_from_iter+0x2c1/0x10f0
[  557.886717][ T7725]  netlink_unicast+0x53b/0x810
[  557.891519][ T7725]  ? netlink_attachskb+0x870/0x870
[  557.896919][ T7725]  ? __phys_addr_symbol+0x30/0x70
[  557.902011][ T7725]  ? __check_object_size+0x322/0x730
[  557.907355][ T7725]  netlink_sendmsg+0x939/0xe40
[  557.912265][ T7725]  ? netlink_unicast+0x810/0x810
[  557.922124][ T7725]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  557.927435][ T7725]  ? netlink_unicast+0x810/0x810
[  557.932831][ T7725]  __sock_sendmsg+0xd5/0x180
[  557.937815][ T7725]  ____sys_sendmsg+0x6ac/0x940
[  557.942586][ T7725]  ? copy_msghdr_from_user+0x10b/0x160
[  557.948061][ T7725]  ? kernel_sendmsg+0x50/0x50
[  557.952763][ T7725]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  557.958772][ T7725]  ___sys_sendmsg+0x135/0x1d0
[  557.963750][ T7725]  ? do_recvmmsg+0x740/0x740
[  557.968450][ T7725]  ? find_held_lock+0x2d/0x110
[  557.973675][ T7725]  ? preempt_count_sub+0x150/0x150
[  557.979360][ T7725]  ? __fget_light+0x1fa/0x260
[  557.984231][ T7725]  __sys_sendmsg+0x117/0x1e0
[  557.988954][ T7725]  ? __sys_sendmsg_sock+0x30/0x30
[  557.994273][ T7725]  ? syscall_enter_from_user_mode+0x26/0x80
[  558.000280][ T7725]  do_syscall_64+0x3f/0x110
[  558.005071][ T7725]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  558.011170][ T7725] RIP: 0033:0x7fa730b27eb9
[  558.015791][ T7725] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  558.036646][ T7725] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  558.045099][ T7725] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  558.053083][ T7725] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  558.061162][ T7725] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  558.069241][ T7725] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  558.077308][ T7725] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  558.085936][ T7725]  </TASK>
[  558.102608][ T7725] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  558.161402][ T7726] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  558.176105][ T7726] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  558.186133][ T7726] CPU: 1 PID: 7726 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  558.197998][ T7726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  558.208185][ T7726] Call Trace:
[  558.211502][ T7726]  <TASK>
[  558.214451][ T7726]  dump_stack_lvl+0x125/0x1b0
[  558.219270][ T7726]  sysfs_warn_dup+0x7f/0xa0
[  558.223992][ T7726]  sysfs_create_dir_ns+0x247/0x2a0
[  558.229217][ T7726]  ? sysfs_create_mount_point+0xb0/0xb0
[  558.234962][ T7726]  ? spin_bug+0x1c0/0x1c0
[  558.239609][ T7726]  ? net_namespace+0x12/0x40
[  558.244409][ T7726]  ? device_namespace+0x8d/0xc0
[  558.249318][ T7726]  kobject_add_internal+0x2c8/0x960
[  558.254742][ T7726]  kobject_add+0x16f/0x240
[  558.259208][ T7726]  ? kset_create_and_add+0x190/0x190
[  558.264620][ T7726]  ? do_raw_spin_unlock+0x172/0x230
[  558.270012][ T7726]  ? kobject_put+0xbe/0x440
[  558.274549][ T7726]  ? device_add+0xc35/0x1aa0
[  558.279258][ T7726]  device_add+0x289/0x1aa0
[  558.283704][ T7726]  ? device_initialize+0x510/0x510
[  558.288835][ T7726]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  558.294778][ T7726]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  558.301691][ T7726]  ? __init_waitqueue_head+0xca/0x150
[  558.307304][ T7726]  netdev_register_kobject+0x183/0x3f0
[  558.312817][ T7726]  register_netdevice+0xbdf/0x14a0
[  558.318024][ T7726]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  558.323963][ T7726]  ? team_nl_cmd_noop+0x280/0x280
[  558.329171][ T7726]  team_newlink+0x92/0x160
[  558.333747][ T7726]  ? team_nl_cmd_noop+0x280/0x280
[  558.338902][ T7726]  ? rtnl_create_link+0xa6d/0xfd0
[  558.344079][ T7726]  __rtnl_newlink+0x1173/0x1930
[  558.348989][ T7726]  ? rtnl_link_unregister+0x260/0x260
[  558.354445][ T7726]  rtnl_newlink+0x67/0xa0
[  558.358805][ T7726]  ? __rtnl_newlink+0x1930/0x1930
[  558.364116][ T7726]  rtnetlink_rcv_msg+0x3c7/0xe00
[  558.369096][ T7726]  ? rtnl_getlink+0xb40/0xb40
[  558.373816][ T7726]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  558.379837][ T7726]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  558.385857][ T7726]  ? __lock_acquire+0xc97/0x5dc0
[  558.391023][ T7726]  netlink_rcv_skb+0x16b/0x440
[  558.395824][ T7726]  ? rtnl_getlink+0xb40/0xb40
[  558.400551][ T7726]  ? netlink_ack+0x1370/0x1370
[  558.405603][ T7726]  ? lock_sync+0x180/0x180
[  558.410593][ T7726]  ? netlink_deliver_tap+0x1a0/0xd00
[  558.415914][ T7726]  ? _copy_from_iter+0x2c1/0x10f0
[  558.420981][ T7726]  netlink_unicast+0x53b/0x810
[  558.425791][ T7726]  ? netlink_attachskb+0x870/0x870
[  558.431042][ T7726]  ? __phys_addr_symbol+0x30/0x70
[  558.436096][ T7726]  ? __check_object_size+0x322/0x730
[  558.441408][ T7726]  netlink_sendmsg+0x939/0xe40
[  558.446298][ T7726]  ? netlink_unicast+0x810/0x810
[  558.451368][ T7726]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  558.456770][ T7726]  ? netlink_unicast+0x810/0x810
[  558.461825][ T7726]  __sock_sendmsg+0xd5/0x180
[  558.466990][ T7726]  ____sys_sendmsg+0x6ac/0x940
[  558.472393][ T7726]  ? copy_msghdr_from_user+0x10b/0x160
[  558.478056][ T7726]  ? kernel_sendmsg+0x50/0x50
[  558.482778][ T7726]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  558.488800][ T7726]  ___sys_sendmsg+0x135/0x1d0
[  558.493512][ T7726]  ? do_recvmmsg+0x740/0x740
[  558.498223][ T7726]  ? find_held_lock+0x2d/0x110
[  558.503117][ T7726]  ? preempt_count_sub+0x150/0x150
[  558.508366][ T7726]  ? __fget_light+0x1fa/0x260
[  558.513179][ T7726]  __sys_sendmsg+0x117/0x1e0
[  558.518056][ T7726]  ? __sys_sendmsg_sock+0x30/0x30
[  558.523127][ T7726]  ? syscall_enter_from_user_mode+0x26/0x80
[  558.529320][ T7726]  do_syscall_64+0x3f/0x110
[  558.533862][ T7726]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  558.539903][ T7726] RIP: 0033:0x7fa730b27eb9
[  558.544354][ T7726] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  558.564198][ T7726] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  558.573078][ T7726] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  558.581267][ T7726] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  558.589457][ T7726] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  558.597466][ T7726] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  558.605479][ T7726] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  558.613800][ T7726]  </TASK>
[  558.625321][ T7726] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  558.669995][ T7726] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  558.682072][ T7726] CPU: 1 PID: 7726 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  558.693860][ T7726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  558.704392][ T7726] Call Trace:
[  558.707701][ T7726]  <TASK>
[  558.710829][ T7726]  dump_stack_lvl+0x125/0x1b0
[  558.715574][ T7726]  sysfs_warn_dup+0x7f/0xa0
[  558.720211][ T7726]  sysfs_create_dir_ns+0x247/0x2a0
[  558.725651][ T7726]  ? sysfs_create_mount_point+0xb0/0xb0
[  558.731623][ T7726]  ? spin_bug+0x1c0/0x1c0
[  558.736353][ T7726]  ? net_namespace+0x12/0x40
[  558.741068][ T7726]  ? device_namespace+0x8d/0xc0
[  558.745964][ T7726]  kobject_add_internal+0x2c8/0x960
[  558.751295][ T7726]  kobject_add+0x16f/0x240
[  558.755729][ T7726]  ? kset_create_and_add+0x190/0x190
[  558.761202][ T7726]  ? do_raw_spin_unlock+0x172/0x230
[  558.766421][ T7726]  ? kobject_put+0xbe/0x440
[  558.771131][ T7726]  ? device_add+0xc35/0x1aa0
[  558.776453][ T7726]  device_add+0x289/0x1aa0
[  558.780901][ T7726]  ? device_initialize+0x510/0x510
[  558.786305][ T7726]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  558.792489][ T7726]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  558.799714][ T7726]  ? __init_waitqueue_head+0xca/0x150
[  558.805201][ T7726]  netdev_register_kobject+0x183/0x3f0
[  558.811111][ T7726]  register_netdevice+0xbdf/0x14a0
[  558.816325][ T7726]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  558.822226][ T7726]  ? validate_linkmsg+0x6fc/0x9c0
[  558.827278][ T7726]  ? rtnl_create_link+0xa6d/0xfd0
[  558.832322][ T7726]  ? batadv_get_sset_count+0x40/0x40
[  558.837622][ T7726]  batadv_softif_newlink+0x70/0x90
[  558.842935][ T7726]  __rtnl_newlink+0x1173/0x1930
[  558.847810][ T7726]  ? rtnl_link_unregister+0x260/0x260
[  558.853239][ T7726]  rtnl_newlink+0x67/0xa0
[  558.857668][ T7726]  ? __rtnl_newlink+0x1930/0x1930
[  558.862704][ T7726]  rtnetlink_rcv_msg+0x3c7/0xe00
[  558.867739][ T7726]  ? rtnl_getlink+0xb40/0xb40
[  558.872607][ T7726]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  558.878866][ T7726]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  558.885031][ T7726]  ? __lock_acquire+0xc97/0x5dc0
[  558.890194][ T7726]  netlink_rcv_skb+0x16b/0x440
[  558.894986][ T7726]  ? rtnl_getlink+0xb40/0xb40
[  558.899905][ T7726]  ? netlink_ack+0x1370/0x1370
[  558.904872][ T7726]  ? lock_sync+0x180/0x180
[  558.909497][ T7726]  ? netlink_deliver_tap+0x1a0/0xd00
[  558.914880][ T7726]  ? _copy_from_iter+0x2c1/0x10f0
[  558.920022][ T7726]  netlink_unicast+0x53b/0x810
[  558.924987][ T7726]  ? netlink_attachskb+0x870/0x870
[  558.930287][ T7726]  ? __phys_addr_symbol+0x30/0x70
[  558.935933][ T7726]  ? __check_object_size+0x322/0x730
[  558.941585][ T7726]  netlink_sendmsg+0x939/0xe40
[  558.946544][ T7726]  ? netlink_unicast+0x810/0x810
[  558.951589][ T7726]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  558.957010][ T7726]  ? netlink_unicast+0x810/0x810
[  558.962593][ T7726]  __sock_sendmsg+0xd5/0x180
[  558.967309][ T7726]  ____sys_sendmsg+0x6ac/0x940
[  558.972180][ T7726]  ? copy_msghdr_from_user+0x10b/0x160
[  558.977653][ T7726]  ? kernel_sendmsg+0x50/0x50
[  558.982437][ T7726]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  558.988537][ T7726]  ___sys_sendmsg+0x135/0x1d0
[  558.993368][ T7726]  ? do_recvmmsg+0x740/0x740
[  558.998006][ T7726]  ? find_held_lock+0x2d/0x110
[  559.002999][ T7726]  ? preempt_count_sub+0x150/0x150
[  559.008168][ T7726]  ? __fget_light+0x1fa/0x260
[  559.013211][ T7726]  __sys_sendmsg+0x117/0x1e0
[  559.017947][ T7726]  ? __sys_sendmsg_sock+0x30/0x30
[  559.023412][ T7726]  ? syscall_enter_from_user_mode+0x26/0x80
[  559.030164][ T7726]  do_syscall_64+0x3f/0x110
[  559.035369][ T7726]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  559.041458][ T7726] RIP: 0033:0x7fa730b27eb9
[  559.046072][ T7726] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  559.066223][ T7726] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  559.074939][ T7726] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  559.083008][ T7726] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  559.091083][ T7726] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  559.099471][ T7726] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  559.107902][ T7726] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  559.115911][ T7726]  </TASK>
[  559.134400][ T7726] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  559.224311][ T7727] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  559.235985][ T7727] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  559.245897][ T7727] CPU: 0 PID: 7727 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  559.257312][ T7727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  559.267472][ T7727] Call Trace:
[  559.270761][ T7727]  <TASK>
[  559.273701][ T7727]  dump_stack_lvl+0x125/0x1b0
[  559.278402][ T7727]  sysfs_warn_dup+0x7f/0xa0
[  559.283271][ T7727]  sysfs_create_dir_ns+0x247/0x2a0
[  559.288390][ T7727]  ? sysfs_create_mount_point+0xb0/0xb0
[  559.294721][ T7727]  ? spin_bug+0x1c0/0x1c0
[  559.299070][ T7727]  ? net_namespace+0x12/0x40
[  559.303666][ T7727]  ? device_namespace+0x8d/0xc0
[  559.308535][ T7727]  kobject_add_internal+0x2c8/0x960
[  559.313754][ T7727]  kobject_add+0x16f/0x240
[  559.318443][ T7727]  ? kset_create_and_add+0x190/0x190
[  559.323843][ T7727]  ? do_raw_spin_unlock+0x172/0x230
[  559.330024][ T7727]  ? kobject_put+0xbe/0x440
[  559.335248][ T7727]  ? device_add+0xc35/0x1aa0
[  559.340030][ T7727]  device_add+0x289/0x1aa0
[  559.344549][ T7727]  ? device_initialize+0x510/0x510
[  559.349762][ T7727]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  559.355928][ T7727]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  559.362933][ T7727]  ? __init_waitqueue_head+0xca/0x150
[  559.368431][ T7727]  netdev_register_kobject+0x183/0x3f0
[  559.373994][ T7727]  register_netdevice+0xbdf/0x14a0
[  559.379310][ T7727]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  559.385482][ T7727]  ? team_nl_cmd_noop+0x280/0x280
[  559.390518][ T7727]  team_newlink+0x92/0x160
[  559.395035][ T7727]  ? team_nl_cmd_noop+0x280/0x280
[  559.400068][ T7727]  ? rtnl_create_link+0xa6d/0xfd0
[  559.405112][ T7727]  __rtnl_newlink+0x1173/0x1930
[  559.410073][ T7727]  ? rtnl_link_unregister+0x260/0x260
[  559.415479][ T7727]  rtnl_newlink+0x67/0xa0
[  559.419991][ T7727]  ? __rtnl_newlink+0x1930/0x1930
[  559.425149][ T7727]  rtnetlink_rcv_msg+0x3c7/0xe00
[  559.430192][ T7727]  ? rtnl_getlink+0xb40/0xb40
[  559.434872][ T7727]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  559.440864][ T7727]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  559.447189][ T7727]  ? __lock_acquire+0xc97/0x5dc0
[  559.452234][ T7727]  netlink_rcv_skb+0x16b/0x440
[  559.457014][ T7727]  ? rtnl_getlink+0xb40/0xb40
[  559.461697][ T7727]  ? netlink_ack+0x1370/0x1370
[  559.466552][ T7727]  ? lock_sync+0x180/0x180
[  559.471082][ T7727]  ? netlink_deliver_tap+0x1a0/0xd00
[  559.476548][ T7727]  ? _copy_from_iter+0x2c1/0x10f0
[  559.481603][ T7727]  netlink_unicast+0x53b/0x810
[  559.486380][ T7727]  ? netlink_attachskb+0x870/0x870
[  559.491600][ T7727]  ? __phys_addr_symbol+0x30/0x70
[  559.496809][ T7727]  ? __check_object_size+0x322/0x730
[  559.502106][ T7727]  netlink_sendmsg+0x939/0xe40
[  559.506888][ T7727]  ? netlink_unicast+0x810/0x810
[  559.511853][ T7727]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  559.517230][ T7727]  ? netlink_unicast+0x810/0x810
[  559.522194][ T7727]  __sock_sendmsg+0xd5/0x180
[  559.527053][ T7727]  ____sys_sendmsg+0x6ac/0x940
[  559.531822][ T7727]  ? copy_msghdr_from_user+0x10b/0x160
[  559.537449][ T7727]  ? kernel_sendmsg+0x50/0x50
[  559.542225][ T7727]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  559.548313][ T7727]  ___sys_sendmsg+0x135/0x1d0
[  559.553035][ T7727]  ? do_recvmmsg+0x740/0x740
[  559.557631][ T7727]  ? find_held_lock+0x2d/0x110
[  559.562416][ T7727]  ? preempt_count_sub+0x150/0x150
[  559.567543][ T7727]  ? __fget_light+0x1fa/0x260
[  559.572237][ T7727]  __sys_sendmsg+0x117/0x1e0
[  559.576834][ T7727]  ? __sys_sendmsg_sock+0x30/0x30
[  559.581968][ T7727]  ? syscall_enter_from_user_mode+0x26/0x80
[  559.587879][ T7727]  do_syscall_64+0x3f/0x110
[  559.592407][ T7727]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  559.598313][ T7727] RIP: 0033:0x7fa730b27eb9
[  559.602739][ T7727] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  559.622803][ T7727] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  559.631498][ T7727] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  559.639648][ T7727] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  559.648156][ T7727] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  559.656259][ T7727] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  559.664336][ T7727] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  559.672625][ T7727]  </TASK>
[  559.684596][ T7727] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  559.720439][ T7727] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  559.729657][ T7727] CPU: 0 PID: 7727 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  559.741103][ T7727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  559.751191][ T7727] Call Trace:
[  559.754481][ T7727]  <TASK>
[  559.757607][ T7727]  dump_stack_lvl+0x125/0x1b0
[  559.762333][ T7727]  sysfs_warn_dup+0x7f/0xa0
[  559.767128][ T7727]  sysfs_create_dir_ns+0x247/0x2a0
[  559.772259][ T7727]  ? sysfs_create_mount_point+0xb0/0xb0
[  559.777829][ T7727]  ? spin_bug+0x1c0/0x1c0
[  559.782294][ T7727]  ? net_namespace+0x12/0x40
[  559.786910][ T7727]  ? device_namespace+0x8d/0xc0
[  559.791794][ T7727]  kobject_add_internal+0x2c8/0x960
[  559.797206][ T7727]  kobject_add+0x16f/0x240
[  559.801750][ T7727]  ? kset_create_and_add+0x190/0x190
[  559.807071][ T7727]  ? do_raw_spin_unlock+0x172/0x230
[  559.812422][ T7727]  ? kobject_put+0xbe/0x440
[  559.817056][ T7727]  ? device_add+0xc35/0x1aa0
[  559.821750][ T7727]  device_add+0x289/0x1aa0
[  559.826194][ T7727]  ? device_initialize+0x510/0x510
[  559.831326][ T7727]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  559.837162][ T7727]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  559.844143][ T7727]  ? __init_waitqueue_head+0xca/0x150
[  559.849732][ T7727]  netdev_register_kobject+0x183/0x3f0
[  559.855425][ T7727]  register_netdevice+0xbdf/0x14a0
[  559.860597][ T7727]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  559.866653][ T7727]  ? validate_linkmsg+0x6fc/0x9c0
[  559.872114][ T7727]  ? rtnl_create_link+0xa6d/0xfd0
[  559.877173][ T7727]  ? batadv_get_sset_count+0x40/0x40
[  559.882495][ T7727]  batadv_softif_newlink+0x70/0x90
[  559.887648][ T7727]  __rtnl_newlink+0x1173/0x1930
[  559.892632][ T7727]  ? rtnl_link_unregister+0x260/0x260
[  559.898151][ T7727]  rtnl_newlink+0x67/0xa0
[  559.902774][ T7727]  ? __rtnl_newlink+0x1930/0x1930
[  559.908620][ T7727]  rtnetlink_rcv_msg+0x3c7/0xe00
[  559.916655][ T7727]  ? rtnl_getlink+0xb40/0xb40
[  559.921651][ T7727]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  559.927768][ T7727]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  559.934134][ T7727]  ? __lock_acquire+0xc97/0x5dc0
[  559.939125][ T7727]  netlink_rcv_skb+0x16b/0x440
[  559.944799][ T7727]  ? rtnl_getlink+0xb40/0xb40
[  559.949944][ T7727]  ? netlink_ack+0x1370/0x1370
[  559.954998][ T7727]  ? lock_sync+0x180/0x180
[  559.959468][ T7727]  ? netlink_deliver_tap+0x1a0/0xd00
[  559.964936][ T7727]  ? _copy_from_iter+0x2c1/0x10f0
[  559.970001][ T7727]  netlink_unicast+0x53b/0x810
[  559.975178][ T7727]  ? netlink_attachskb+0x870/0x870
[  559.980583][ T7727]  ? __phys_addr_symbol+0x30/0x70
[  559.985863][ T7727]  ? __check_object_size+0x322/0x730
[  559.991279][ T7727]  netlink_sendmsg+0x939/0xe40
[  559.996262][ T7727]  ? netlink_unicast+0x810/0x810
[  560.001244][ T7727]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  560.006730][ T7727]  ? netlink_unicast+0x810/0x810
[  560.011785][ T7727]  __sock_sendmsg+0xd5/0x180
[  560.018412][ T7727]  ____sys_sendmsg+0x6ac/0x940
[  560.023639][ T7727]  ? copy_msghdr_from_user+0x10b/0x160
[  560.029327][ T7727]  ? kernel_sendmsg+0x50/0x50
[  560.034908][ T7727]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  560.041631][ T7727]  ___sys_sendmsg+0x135/0x1d0
[  560.046617][ T7727]  ? do_recvmmsg+0x740/0x740
[  560.051681][ T7727]  ? find_held_lock+0x2d/0x110
[  560.056586][ T7727]  ? preempt_count_sub+0x150/0x150
[  560.061842][ T7727]  ? __fget_light+0x1fa/0x260
[  560.066912][ T7727]  __sys_sendmsg+0x117/0x1e0
[  560.071921][ T7727]  ? __sys_sendmsg_sock+0x30/0x30
[  560.077149][ T7727]  ? syscall_enter_from_user_mode+0x26/0x80
[  560.083469][ T7727]  do_syscall_64+0x3f/0x110
[  560.088036][ T7727]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  560.093970][ T7727] RIP: 0033:0x7fa730b27eb9
[  560.098500][ T7727] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  560.118408][ T7727] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  560.126943][ T7727] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  560.134947][ T7727] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  560.143035][ T7727] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  560.151032][ T7727] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  560.159201][ T7727] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  560.168260][ T7727]  </TASK>
[  560.172922][ T7727] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  560.265068][ T7728] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  560.278452][ T7728] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  560.287809][ T7728] CPU: 1 PID: 7728 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  560.299225][ T7728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  560.309318][ T7728] Call Trace:
[  560.312919][ T7728]  <TASK>
[  560.315970][ T7728]  dump_stack_lvl+0x125/0x1b0
[  560.320772][ T7728]  sysfs_warn_dup+0x7f/0xa0
[  560.325429][ T7728]  sysfs_create_dir_ns+0x247/0x2a0
[  560.330651][ T7728]  ? sysfs_create_mount_point+0xb0/0xb0
[  560.336307][ T7728]  ? spin_bug+0x1c0/0x1c0
[  560.340711][ T7728]  ? net_namespace+0x12/0x40
[  560.345337][ T7728]  ? device_namespace+0x8d/0xc0
[  560.350489][ T7728]  kobject_add_internal+0x2c8/0x960
[  560.355820][ T7728]  kobject_add+0x16f/0x240
[  560.360271][ T7728]  ? kset_create_and_add+0x190/0x190
[  560.365684][ T7728]  ? do_raw_spin_unlock+0x172/0x230
[  560.370927][ T7728]  ? kobject_put+0xbe/0x440
[  560.375551][ T7728]  ? device_add+0xc35/0x1aa0
[  560.380265][ T7728]  device_add+0x289/0x1aa0
[  560.384798][ T7728]  ? device_initialize+0x510/0x510
[  560.389925][ T7728]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  560.395858][ T7728]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  560.402750][ T7728]  ? __init_waitqueue_head+0xca/0x150
[  560.408258][ T7728]  netdev_register_kobject+0x183/0x3f0
[  560.413848][ T7728]  register_netdevice+0xbdf/0x14a0
[  560.419000][ T7728]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  560.424936][ T7728]  ? team_nl_cmd_noop+0x280/0x280
[  560.430169][ T7728]  team_newlink+0x92/0x160
[  560.434625][ T7728]  ? team_nl_cmd_noop+0x280/0x280
[  560.439876][ T7728]  ? rtnl_create_link+0xa6d/0xfd0
[  560.445119][ T7728]  __rtnl_newlink+0x1173/0x1930
[  560.450012][ T7728]  ? rtnl_link_unregister+0x260/0x260
[  560.455553][ T7728]  rtnl_newlink+0x67/0xa0
[  560.459928][ T7728]  ? __rtnl_newlink+0x1930/0x1930
[  560.465252][ T7728]  rtnetlink_rcv_msg+0x3c7/0xe00
[  560.470222][ T7728]  ? rtnl_getlink+0xb40/0xb40
[  560.474921][ T7728]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  560.481043][ T7728]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  560.487115][ T7728]  ? __lock_acquire+0xc97/0x5dc0
[  560.492838][ T7728]  netlink_rcv_skb+0x16b/0x440
[  560.497811][ T7728]  ? rtnl_getlink+0xb40/0xb40
[  560.502514][ T7728]  ? netlink_ack+0x1370/0x1370
[  560.507321][ T7728]  ? lock_sync+0x180/0x180
[  560.511805][ T7728]  ? netlink_deliver_tap+0x1a0/0xd00
[  560.517211][ T7728]  ? _copy_from_iter+0x2c1/0x10f0
[  560.522389][ T7728]  netlink_unicast+0x53b/0x810
[  560.527215][ T7728]  ? netlink_attachskb+0x870/0x870
[  560.532642][ T7728]  ? __phys_addr_symbol+0x30/0x70
[  560.537965][ T7728]  ? __check_object_size+0x322/0x730
[  560.543286][ T7728]  netlink_sendmsg+0x939/0xe40
[  560.548177][ T7728]  ? netlink_unicast+0x810/0x810
[  560.553323][ T7728]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  560.558718][ T7728]  ? netlink_unicast+0x810/0x810
[  560.563681][ T7728]  __sock_sendmsg+0xd5/0x180
[  560.568473][ T7728]  ____sys_sendmsg+0x6ac/0x940
[  560.573274][ T7728]  ? copy_msghdr_from_user+0x10b/0x160
[  560.578759][ T7728]  ? kernel_sendmsg+0x50/0x50
[  560.583507][ T7728]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  560.589707][ T7728]  ___sys_sendmsg+0x135/0x1d0
[  560.594414][ T7728]  ? do_recvmmsg+0x740/0x740
[  560.599208][ T7728]  ? find_held_lock+0x2d/0x110
[  560.604105][ T7728]  ? preempt_count_sub+0x150/0x150
[  560.610126][ T7728]  ? __fget_light+0x1fa/0x260
[  560.614840][ T7728]  __sys_sendmsg+0x117/0x1e0
[  560.619719][ T7728]  ? __sys_sendmsg_sock+0x30/0x30
[  560.624788][ T7728]  ? syscall_enter_from_user_mode+0x26/0x80
[  560.630720][ T7728]  do_syscall_64+0x3f/0x110
[  560.635262][ T7728]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  560.641289][ T7728] RIP: 0033:0x7fa730b27eb9
[  560.645728][ T7728] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  560.665548][ T7728] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  560.674445][ T7728] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  560.682635][ T7728] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  560.690630][ T7728] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  560.698632][ T7728] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  560.706627][ T7728] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  560.715080][ T7728]  </TASK>
[  560.741708][ T7728] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  560.770767][ T7728] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  560.780393][ T7728] CPU: 0 PID: 7728 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  560.792242][ T7728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  560.802422][ T7728] Call Trace:
[  560.805722][ T7728]  <TASK>
[  560.808784][ T7728]  dump_stack_lvl+0x125/0x1b0
[  560.814470][ T7728]  sysfs_warn_dup+0x7f/0xa0
[  560.819119][ T7728]  sysfs_create_dir_ns+0x247/0x2a0
[  560.824453][ T7728]  ? sysfs_create_mount_point+0xb0/0xb0
[  560.830158][ T7728]  ? spin_bug+0x1c0/0x1c0
[  560.834911][ T7728]  ? net_namespace+0x12/0x40
[  560.839658][ T7728]  ? device_namespace+0x8d/0xc0
[  560.844679][ T7728]  kobject_add_internal+0x2c8/0x960
[  560.850121][ T7728]  kobject_add+0x16f/0x240
[  560.854601][ T7728]  ? kset_create_and_add+0x190/0x190
[  560.860121][ T7728]  ? do_raw_spin_unlock+0x172/0x230
[  560.865501][ T7728]  ? kobject_put+0xbe/0x440
[  560.870065][ T7728]  ? device_add+0xc35/0x1aa0
[  560.874719][ T7728]  device_add+0x289/0x1aa0
[  560.879186][ T7728]  ? device_initialize+0x510/0x510
[  560.884534][ T7728]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  560.890742][ T7728]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  560.897730][ T7728]  ? __init_waitqueue_head+0xca/0x150
[  560.903164][ T7728]  netdev_register_kobject+0x183/0x3f0
[  560.908776][ T7728]  register_netdevice+0xbdf/0x14a0
[  560.914033][ T7728]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  560.919963][ T7728]  ? validate_linkmsg+0x6fc/0x9c0
[  560.925277][ T7728]  ? rtnl_create_link+0xa6d/0xfd0
[  560.930787][ T7728]  ? batadv_get_sset_count+0x40/0x40
[  560.936232][ T7728]  batadv_softif_newlink+0x70/0x90
[  560.942136][ T7728]  __rtnl_newlink+0x1173/0x1930
[  560.947649][ T7728]  ? rtnl_link_unregister+0x260/0x260
[  560.954595][ T7728]  rtnl_newlink+0x67/0xa0
[  560.959073][ T7728]  ? __rtnl_newlink+0x1930/0x1930
[  560.964147][ T7728]  rtnetlink_rcv_msg+0x3c7/0xe00
[  560.969219][ T7728]  ? rtnl_getlink+0xb40/0xb40
[  560.974035][ T7728]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  560.980086][ T7728]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  560.986200][ T7728]  ? __lock_acquire+0xc97/0x5dc0
[  560.992148][ T7728]  netlink_rcv_skb+0x16b/0x440
[  560.997230][ T7728]  ? rtnl_getlink+0xb40/0xb40
[  561.002309][ T7728]  ? netlink_ack+0x1370/0x1370
[  561.007760][ T7728]  ? lock_sync+0x180/0x180
[  561.013323][ T7728]  ? netlink_deliver_tap+0x1a0/0xd00
[  561.018939][ T7728]  ? _copy_from_iter+0x2c1/0x10f0
[  561.024569][ T7728]  netlink_unicast+0x53b/0x810
[  561.030462][ T7728]  ? netlink_attachskb+0x870/0x870
[  561.035908][ T7728]  ? __phys_addr_symbol+0x30/0x70
[  561.042007][ T7728]  ? __check_object_size+0x322/0x730
[  561.047599][ T7728]  netlink_sendmsg+0x939/0xe40
[  561.052812][ T7728]  ? netlink_unicast+0x810/0x810
[  561.057932][ T7728]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  561.063701][ T7728]  ? netlink_unicast+0x810/0x810
[  561.068861][ T7728]  __sock_sendmsg+0xd5/0x180
[  561.073488][ T7728]  ____sys_sendmsg+0x6ac/0x940
[  561.078890][ T7728]  ? copy_msghdr_from_user+0x10b/0x160
[  561.085252][ T7728]  ? kernel_sendmsg+0x50/0x50
[  561.090050][ T7728]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  561.096264][ T7728]  ___sys_sendmsg+0x135/0x1d0
[  561.101069][ T7728]  ? do_recvmmsg+0x740/0x740
[  561.105697][ T7728]  ? find_held_lock+0x2d/0x110
[  561.110712][ T7728]  ? preempt_count_sub+0x150/0x150
[  561.116335][ T7728]  ? __fget_light+0x1fa/0x260
[  561.121428][ T7728]  __sys_sendmsg+0x117/0x1e0
[  561.126068][ T7728]  ? __sys_sendmsg_sock+0x30/0x30
[  561.132044][ T7728]  ? syscall_enter_from_user_mode+0x26/0x80
[  561.138001][ T7728]  do_syscall_64+0x3f/0x110
[  561.142556][ T7728]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  561.148586][ T7728] RIP: 0033:0x7fa730b27eb9
[  561.153209][ T7728] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  561.173779][ T7728] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  561.182416][ T7728] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  561.190696][ T7728] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  561.199191][ T7728] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  561.207394][ T7728] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  561.216196][ T7728] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  561.224569][ T7728]  </TASK>
[  561.228190][ T7728] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  561.304367][ T7729] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  561.319278][ T7729] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  561.328534][ T7729] CPU: 1 PID: 7729 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  561.340216][ T7729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  561.350306][ T7729] Call Trace:
[  561.353695][ T7729]  <TASK>
[  561.356648][ T7729]  dump_stack_lvl+0x125/0x1b0
[  561.361454][ T7729]  sysfs_warn_dup+0x7f/0xa0
[  561.366080][ T7729]  sysfs_create_dir_ns+0x247/0x2a0
[  561.371244][ T7729]  ? sysfs_create_mount_point+0xb0/0xb0
[  561.376995][ T7729]  ? spin_bug+0x1c0/0x1c0
[  561.381535][ T7729]  ? net_namespace+0x12/0x40
[  561.386207][ T7729]  ? device_namespace+0x8d/0xc0
[  561.391106][ T7729]  kobject_add_internal+0x2c8/0x960
[  561.396620][ T7729]  kobject_add+0x16f/0x240
[  561.401077][ T7729]  ? kset_create_and_add+0x190/0x190
[  561.406435][ T7729]  ? do_raw_spin_unlock+0x172/0x230
[  561.411687][ T7729]  ? kobject_put+0xbe/0x440
[  561.416573][ T7729]  ? device_add+0xc35/0x1aa0
[  561.421387][ T7729]  device_add+0x289/0x1aa0
[  561.425849][ T7729]  ? device_initialize+0x510/0x510
[  561.431154][ T7729]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  561.437081][ T7729]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  561.444231][ T7729]  ? __init_waitqueue_head+0xca/0x150
[  561.449815][ T7729]  netdev_register_kobject+0x183/0x3f0
[  561.455325][ T7729]  register_netdevice+0xbdf/0x14a0
[  561.460648][ T7729]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  561.466596][ T7729]  ? team_nl_cmd_noop+0x280/0x280
[  561.471654][ T7729]  team_newlink+0x92/0x160
[  561.476106][ T7729]  ? team_nl_cmd_noop+0x280/0x280
[  561.481244][ T7729]  ? rtnl_create_link+0xa6d/0xfd0
[  561.486314][ T7729]  __rtnl_newlink+0x1173/0x1930
[  561.491301][ T7729]  ? rtnl_link_unregister+0x260/0x260
[  561.496736][ T7729]  rtnl_newlink+0x67/0xa0
[  561.501091][ T7729]  ? __rtnl_newlink+0x1930/0x1930
[  561.506138][ T7729]  rtnetlink_rcv_msg+0x3c7/0xe00
[  561.511111][ T7729]  ? rtnl_getlink+0xb40/0xb40
[  561.515898][ T7729]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  561.522014][ T7729]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  561.528205][ T7729]  ? __lock_acquire+0xc97/0x5dc0
[  561.533189][ T7729]  netlink_rcv_skb+0x16b/0x440
[  561.538420][ T7729]  ? rtnl_getlink+0xb40/0xb40
[  561.543136][ T7729]  ? netlink_ack+0x1370/0x1370
[  561.548544][ T7729]  ? lock_sync+0x180/0x180
[  561.553108][ T7729]  ? netlink_deliver_tap+0x1a0/0xd00
[  561.558685][ T7729]  ? _copy_from_iter+0x2c1/0x10f0
[  561.563927][ T7729]  netlink_unicast+0x53b/0x810
[  561.568899][ T7729]  ? netlink_attachskb+0x870/0x870
[  561.574135][ T7729]  ? __phys_addr_symbol+0x30/0x70
[  561.579188][ T7729]  ? __check_object_size+0x322/0x730
[  561.584510][ T7729]  netlink_sendmsg+0x939/0xe40
[  561.589321][ T7729]  ? netlink_unicast+0x810/0x810
[  561.594396][ T7729]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  561.599722][ T7729]  ? netlink_unicast+0x810/0x810
[  561.604781][ T7729]  __sock_sendmsg+0xd5/0x180
[  561.609949][ T7729]  ____sys_sendmsg+0x6ac/0x940
[  561.614853][ T7729]  ? copy_msghdr_from_user+0x10b/0x160
[  561.621207][ T7729]  ? kernel_sendmsg+0x50/0x50
[  561.627167][ T7729]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  561.633373][ T7729]  ___sys_sendmsg+0x135/0x1d0
[  561.638174][ T7729]  ? do_recvmmsg+0x740/0x740
[  561.642882][ T7729]  ? find_held_lock+0x2d/0x110
[  561.648305][ T7729]  ? preempt_count_sub+0x150/0x150
[  561.653748][ T7729]  ? __fget_light+0x1fa/0x260
[  561.658478][ T7729]  __sys_sendmsg+0x117/0x1e0
[  561.663286][ T7729]  ? __sys_sendmsg_sock+0x30/0x30
[  561.668485][ T7729]  ? syscall_enter_from_user_mode+0x26/0x80
[  561.674523][ T7729]  do_syscall_64+0x3f/0x110
[  561.679448][ T7729]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  561.685830][ T7729] RIP: 0033:0x7fa730b27eb9
[  561.691244][ T7729] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  561.712225][ T7729] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  561.721485][ T7729] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  561.729847][ T7729] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  561.738022][ T7729] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  561.746151][ T7729] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  561.754668][ T7729] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  561.762953][ T7729]  </TASK>
[  561.783196][ T7729] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  561.813651][ T7729] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  561.823177][ T7729] CPU: 0 PID: 7729 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  561.834595][ T7729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  561.844763][ T7729] Call Trace:
[  561.848058][ T7729]  <TASK>
[  561.851450][ T7729]  dump_stack_lvl+0x125/0x1b0
[  561.856172][ T7729]  sysfs_warn_dup+0x7f/0xa0
[  561.860997][ T7729]  sysfs_create_dir_ns+0x247/0x2a0
[  561.866199][ T7729]  ? sysfs_create_mount_point+0xb0/0xb0
[  561.872061][ T7729]  ? spin_bug+0x1c0/0x1c0
[  561.876453][ T7729]  ? net_namespace+0x12/0x40
[  561.881181][ T7729]  ? device_namespace+0x8d/0xc0
[  561.886114][ T7729]  kobject_add_internal+0x2c8/0x960
[  561.891715][ T7729]  kobject_add+0x16f/0x240
[  561.896225][ T7729]  ? kset_create_and_add+0x190/0x190
[  561.901572][ T7729]  ? do_raw_spin_unlock+0x172/0x230
[  561.906995][ T7729]  ? kobject_put+0xbe/0x440
[  561.911809][ T7729]  ? device_add+0xc35/0x1aa0
[  561.916545][ T7729]  device_add+0x289/0x1aa0
[  561.921020][ T7729]  ? device_initialize+0x510/0x510
[  561.926166][ T7729]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  561.932035][ T7729]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  561.939274][ T7729]  ? __init_waitqueue_head+0xca/0x150
[  561.944687][ T7729]  netdev_register_kobject+0x183/0x3f0
[  561.950268][ T7729]  register_netdevice+0xbdf/0x14a0
[  561.955531][ T7729]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  561.961474][ T7729]  ? validate_linkmsg+0x6fc/0x9c0
[  561.966654][ T7729]  ? rtnl_create_link+0xa6d/0xfd0
[  561.971728][ T7729]  ? batadv_get_sset_count+0x40/0x40
[  561.977071][ T7729]  batadv_softif_newlink+0x70/0x90
[  561.982223][ T7729]  __rtnl_newlink+0x1173/0x1930
[  561.987291][ T7729]  ? rtnl_link_unregister+0x260/0x260
[  561.992731][ T7729]  rtnl_newlink+0x67/0xa0
[  561.997093][ T7729]  ? __rtnl_newlink+0x1930/0x1930
[  562.002318][ T7729]  rtnetlink_rcv_msg+0x3c7/0xe00
[  562.007496][ T7729]  ? rtnl_getlink+0xb40/0xb40
[  562.012381][ T7729]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  562.019358][ T7729]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  562.025898][ T7729]  ? __lock_acquire+0xc97/0x5dc0
[  562.031411][ T7729]  netlink_rcv_skb+0x16b/0x440
[  562.036321][ T7729]  ? rtnl_getlink+0xb40/0xb40
[  562.041563][ T7729]  ? netlink_ack+0x1370/0x1370
[  562.046362][ T7729]  ? lock_sync+0x180/0x180
[  562.050868][ T7729]  ? netlink_deliver_tap+0x1a0/0xd00
[  562.057057][ T7729]  ? _copy_from_iter+0x2c1/0x10f0
[  562.063049][ T7729]  netlink_unicast+0x53b/0x810
[  562.068807][ T7729]  ? netlink_attachskb+0x870/0x870
[  562.074495][ T7729]  ? __phys_addr_symbol+0x30/0x70
[  562.079659][ T7729]  ? __check_object_size+0x322/0x730
[  562.086034][ T7729]  netlink_sendmsg+0x939/0xe40
[  562.090844][ T7729]  ? netlink_unicast+0x810/0x810
[  562.096002][ T7729]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  562.101316][ T7729]  ? netlink_unicast+0x810/0x810
[  562.106283][ T7729]  __sock_sendmsg+0xd5/0x180
[  562.111007][ T7729]  ____sys_sendmsg+0x6ac/0x940
[  562.115978][ T7729]  ? copy_msghdr_from_user+0x10b/0x160
[  562.121667][ T7729]  ? kernel_sendmsg+0x50/0x50
[  562.126480][ T7729]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  562.132615][ T7729]  ___sys_sendmsg+0x135/0x1d0
[  562.137436][ T7729]  ? do_recvmmsg+0x740/0x740
[  562.142146][ T7729]  ? find_held_lock+0x2d/0x110
[  562.147085][ T7729]  ? preempt_count_sub+0x150/0x150
[  562.152334][ T7729]  ? __fget_light+0x1fa/0x260
[  562.157334][ T7729]  __sys_sendmsg+0x117/0x1e0
[  562.162169][ T7729]  ? __sys_sendmsg_sock+0x30/0x30
[  562.167438][ T7729]  ? syscall_enter_from_user_mode+0x26/0x80
[  562.173738][ T7729]  do_syscall_64+0x3f/0x110
[  562.178808][ T7729]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  562.184743][ T7729] RIP: 0033:0x7fa730b27eb9
[  562.189198][ T7729] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  562.209463][ T7729] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  562.218183][ T7729] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  562.226361][ T7729] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  562.234445][ T7729] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  562.242876][ T7729] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  562.250958][ T7729] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  562.259073][ T7729]  </TASK>
[  562.267862][ T7729] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  562.358764][ T7730] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  562.370242][ T7730] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  562.381145][ T7730] CPU: 0 PID: 7730 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  562.392647][ T7730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  562.402917][ T7730] Call Trace:
[  562.406231][ T7730]  <TASK>
[  562.409263][ T7730]  dump_stack_lvl+0x125/0x1b0
[  562.414006][ T7730]  sysfs_warn_dup+0x7f/0xa0
[  562.418626][ T7730]  sysfs_create_dir_ns+0x247/0x2a0
[  562.423855][ T7730]  ? sysfs_create_mount_point+0xb0/0xb0
[  562.429554][ T7730]  ? spin_bug+0x1c0/0x1c0
[  562.434106][ T7730]  ? net_namespace+0x12/0x40
[  562.438799][ T7730]  ? device_namespace+0x8d/0xc0
[  562.444071][ T7730]  kobject_add_internal+0x2c8/0x960
[  562.449359][ T7730]  kobject_add+0x16f/0x240
[  562.453930][ T7730]  ? kset_create_and_add+0x190/0x190
[  562.459298][ T7730]  ? do_raw_spin_unlock+0x172/0x230
[  562.464636][ T7730]  ? kobject_put+0xbe/0x440
[  562.469286][ T7730]  ? device_add+0xc35/0x1aa0
[  562.473929][ T7730]  device_add+0x289/0x1aa0
[  562.478384][ T7730]  ? device_initialize+0x510/0x510
[  562.483789][ T7730]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  562.489888][ T7730]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  562.496866][ T7730]  ? __init_waitqueue_head+0xca/0x150
[  562.502986][ T7730]  netdev_register_kobject+0x183/0x3f0
[  562.508888][ T7730]  register_netdevice+0xbdf/0x14a0
[  562.514390][ T7730]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  562.520423][ T7730]  ? team_nl_cmd_noop+0x280/0x280
[  562.525494][ T7730]  team_newlink+0x92/0x160
[  562.530682][ T7730]  ? team_nl_cmd_noop+0x280/0x280
[  562.535894][ T7730]  ? rtnl_create_link+0xa6d/0xfd0
[  562.541399][ T7730]  __rtnl_newlink+0x1173/0x1930
[  562.546292][ T7730]  ? rtnl_link_unregister+0x260/0x260
[  562.551814][ T7730]  rtnl_newlink+0x67/0xa0
[  562.556165][ T7730]  ? __rtnl_newlink+0x1930/0x1930
[  562.561298][ T7730]  rtnetlink_rcv_msg+0x3c7/0xe00
[  562.566448][ T7730]  ? rtnl_getlink+0xb40/0xb40
[  562.571144][ T7730]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  562.577249][ T7730]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  562.583355][ T7730]  ? __lock_acquire+0xc97/0x5dc0
[  562.588420][ T7730]  netlink_rcv_skb+0x16b/0x440
[  562.593286][ T7730]  ? rtnl_getlink+0xb40/0xb40
[  562.598252][ T7730]  ? netlink_ack+0x1370/0x1370
[  562.603408][ T7730]  ? lock_sync+0x180/0x180
[  562.608166][ T7730]  ? netlink_deliver_tap+0x1a0/0xd00
[  562.613596][ T7730]  ? _copy_from_iter+0x2c1/0x10f0
[  562.618763][ T7730]  netlink_unicast+0x53b/0x810
[  562.623587][ T7730]  ? netlink_attachskb+0x870/0x870
[  562.628741][ T7730]  ? __phys_addr_symbol+0x30/0x70
[  562.633902][ T7730]  ? __check_object_size+0x322/0x730
[  562.639220][ T7730]  netlink_sendmsg+0x939/0xe40
[  562.644025][ T7730]  ? netlink_unicast+0x810/0x810
[  562.649094][ T7730]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  562.654586][ T7730]  ? netlink_unicast+0x810/0x810
[  562.659602][ T7730]  __sock_sendmsg+0xd5/0x180
[  562.664253][ T7730]  ____sys_sendmsg+0x6ac/0x940
[  562.669347][ T7730]  ? copy_msghdr_from_user+0x10b/0x160
[  562.675304][ T7730]  ? kernel_sendmsg+0x50/0x50
[  562.680227][ T7730]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  562.686638][ T7730]  ___sys_sendmsg+0x135/0x1d0
[  562.691366][ T7730]  ? do_recvmmsg+0x740/0x740
[  562.695997][ T7730]  ? find_held_lock+0x2d/0x110
[  562.700822][ T7730]  ? preempt_count_sub+0x150/0x150
[  562.705990][ T7730]  ? __fget_light+0x1fa/0x260
[  562.710736][ T7730]  __sys_sendmsg+0x117/0x1e0
[  562.715385][ T7730]  ? __sys_sendmsg_sock+0x30/0x30
[  562.720575][ T7730]  ? syscall_enter_from_user_mode+0x26/0x80
[  562.726599][ T7730]  do_syscall_64+0x3f/0x110
[  562.731245][ T7730]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  562.737602][ T7730] RIP: 0033:0x7fa730b27eb9
[  562.742126][ T7730] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  562.762324][ T7730] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  562.771471][ T7730] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  562.779822][ T7730] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  562.788188][ T7730] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  562.796809][ T7730] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  562.804821][ T7730] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  562.813275][ T7730]  </TASK>
[  562.821302][ T7730] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  562.856228][ T7730] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  562.866618][ T7730] CPU: 0 PID: 7730 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  562.879255][ T7730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  562.889438][ T7730] Call Trace:
[  562.892800][ T7730]  <TASK>
[  562.896358][ T7730]  dump_stack_lvl+0x125/0x1b0
[  562.901086][ T7730]  sysfs_warn_dup+0x7f/0xa0
[  562.905617][ T7730]  sysfs_create_dir_ns+0x247/0x2a0
[  562.910855][ T7730]  ? sysfs_create_mount_point+0xb0/0xb0
[  562.916890][ T7730]  ? spin_bug+0x1c0/0x1c0
[  562.921319][ T7730]  ? net_namespace+0x12/0x40
[  562.926043][ T7730]  ? device_namespace+0x8d/0xc0
[  562.930960][ T7730]  kobject_add_internal+0x2c8/0x960
[  562.936307][ T7730]  kobject_add+0x16f/0x240
[  562.940873][ T7730]  ? kset_create_and_add+0x190/0x190
[  562.946484][ T7730]  ? do_raw_spin_unlock+0x172/0x230
[  562.951815][ T7730]  ? kobject_put+0xbe/0x440
[  562.956345][ T7730]  ? device_add+0xc35/0x1aa0
[  562.961138][ T7730]  device_add+0x289/0x1aa0
[  562.965656][ T7730]  ? device_initialize+0x510/0x510
[  562.970782][ T7730]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  562.976689][ T7730]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  562.983583][ T7730]  ? __init_waitqueue_head+0xca/0x150
[  562.989986][ T7730]  netdev_register_kobject+0x183/0x3f0
[  562.995759][ T7730]  register_netdevice+0xbdf/0x14a0
[  563.000989][ T7730]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  563.007883][ T7730]  ? validate_linkmsg+0x6fc/0x9c0
[  563.013143][ T7730]  ? rtnl_create_link+0xa6d/0xfd0
[  563.018570][ T7730]  ? batadv_get_sset_count+0x40/0x40
[  563.024244][ T7730]  batadv_softif_newlink+0x70/0x90
[  563.029833][ T7730]  __rtnl_newlink+0x1173/0x1930
[  563.035151][ T7730]  ? rtnl_link_unregister+0x260/0x260
[  563.040759][ T7730]  rtnl_newlink+0x67/0xa0
[  563.045214][ T7730]  ? __rtnl_newlink+0x1930/0x1930
[  563.050383][ T7730]  rtnetlink_rcv_msg+0x3c7/0xe00
[  563.055787][ T7730]  ? rtnl_getlink+0xb40/0xb40
[  563.060480][ T7730]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  563.066516][ T7730]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  563.073880][ T7730]  ? __lock_acquire+0xc97/0x5dc0
[  563.079792][ T7730]  netlink_rcv_skb+0x16b/0x440
[  563.084981][ T7730]  ? rtnl_getlink+0xb40/0xb40
[  563.090074][ T7730]  ? netlink_ack+0x1370/0x1370
[  563.095157][ T7730]  ? lock_sync+0x180/0x180
[  563.099818][ T7730]  ? netlink_deliver_tap+0x1a0/0xd00
[  563.105219][ T7730]  ? _copy_from_iter+0x2c1/0x10f0
[  563.110536][ T7730]  netlink_unicast+0x53b/0x810
[  563.115661][ T7730]  ? netlink_attachskb+0x870/0x870
[  563.120983][ T7730]  ? __phys_addr_symbol+0x30/0x70
[  563.126032][ T7730]  ? __check_object_size+0x322/0x730
[  563.131354][ T7730]  netlink_sendmsg+0x939/0xe40
[  563.136386][ T7730]  ? netlink_unicast+0x810/0x810
[  563.141455][ T7730]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  563.146757][ T7730]  ? netlink_unicast+0x810/0x810
[  563.151903][ T7730]  __sock_sendmsg+0xd5/0x180
[  563.156866][ T7730]  ____sys_sendmsg+0x6ac/0x940
[  563.162427][ T7730]  ? copy_msghdr_from_user+0x10b/0x160
[  563.169337][ T7730]  ? kernel_sendmsg+0x50/0x50
[  563.174291][ T7730]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  563.180935][ T7730]  ___sys_sendmsg+0x135/0x1d0
[  563.185648][ T7730]  ? do_recvmmsg+0x740/0x740
[  563.190635][ T7730]  ? find_held_lock+0x2d/0x110
[  563.195812][ T7730]  ? preempt_count_sub+0x150/0x150
[  563.200988][ T7730]  ? __fget_light+0x1fa/0x260
[  563.205889][ T7730]  __sys_sendmsg+0x117/0x1e0
[  563.210749][ T7730]  ? __sys_sendmsg_sock+0x30/0x30
[  563.216338][ T7730]  ? syscall_enter_from_user_mode+0x26/0x80
[  563.222555][ T7730]  do_syscall_64+0x3f/0x110
[  563.227257][ T7730]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  563.234004][ T7730] RIP: 0033:0x7fa730b27eb9
[  563.238525][ T7730] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  563.263986][ T7730] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  563.273318][ T7730] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  563.281482][ T7730] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  563.289902][ T7730] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  563.298330][ T7730] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  563.306403][ T7730] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  563.314566][ T7730]  </TASK>
[  563.319383][ T7730] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  563.434237][ T7731] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  563.446832][ T7731] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  563.456393][ T7731] CPU: 0 PID: 7731 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  563.468939][ T7731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  563.479411][ T7731] Call Trace:
[  563.482802][ T7731]  <TASK>
[  563.485736][ T7731]  dump_stack_lvl+0x125/0x1b0
[  563.490521][ T7731]  sysfs_warn_dup+0x7f/0xa0
[  563.495043][ T7731]  sysfs_create_dir_ns+0x247/0x2a0
[  563.500671][ T7731]  ? sysfs_create_mount_point+0xb0/0xb0
[  563.506417][ T7731]  ? spin_bug+0x1c0/0x1c0
[  563.510820][ T7731]  ? net_namespace+0x12/0x40
[  563.516004][ T7731]  ? device_namespace+0x8d/0xc0
[  563.521033][ T7731]  kobject_add_internal+0x2c8/0x960
[  563.526386][ T7731]  kobject_add+0x16f/0x240
[  563.531432][ T7731]  ? kset_create_and_add+0x190/0x190
[  563.536873][ T7731]  ? do_raw_spin_unlock+0x172/0x230
[  563.542278][ T7731]  ? kobject_put+0xbe/0x440
[  563.546806][ T7731]  ? device_add+0xc35/0x1aa0
[  563.551413][ T7731]  device_add+0x289/0x1aa0
[  563.555942][ T7731]  ? device_initialize+0x510/0x510
[  563.561685][ T7731]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  563.567552][ T7731]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  563.574887][ T7731]  ? __init_waitqueue_head+0xca/0x150
[  563.580821][ T7731]  netdev_register_kobject+0x183/0x3f0
[  563.586490][ T7731]  register_netdevice+0xbdf/0x14a0
[  563.591707][ T7731]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  563.597713][ T7731]  ? team_nl_cmd_noop+0x280/0x280
[  563.603449][ T7731]  team_newlink+0x92/0x160
[  563.607899][ T7731]  ? team_nl_cmd_noop+0x280/0x280
[  563.613051][ T7731]  ? rtnl_create_link+0xa6d/0xfd0
[  563.618116][ T7731]  __rtnl_newlink+0x1173/0x1930
[  563.623015][ T7731]  ? rtnl_link_unregister+0x260/0x260
[  563.628535][ T7731]  rtnl_newlink+0x67/0xa0
[  563.632970][ T7731]  ? __rtnl_newlink+0x1930/0x1930
[  563.638416][ T7731]  rtnetlink_rcv_msg+0x3c7/0xe00
[  563.643471][ T7731]  ? rtnl_getlink+0xb40/0xb40
[  563.648541][ T7731]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  563.654654][ T7731]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  563.661004][ T7731]  ? __lock_acquire+0xc97/0x5dc0
[  563.666528][ T7731]  netlink_rcv_skb+0x16b/0x440
[  563.671374][ T7731]  ? rtnl_getlink+0xb40/0xb40
[  563.676269][ T7731]  ? netlink_ack+0x1370/0x1370
[  563.681318][ T7731]  ? lock_sync+0x180/0x180
[  563.685940][ T7731]  ? netlink_deliver_tap+0x1a0/0xd00
[  563.691520][ T7731]  ? _copy_from_iter+0x2c1/0x10f0
[  563.696593][ T7731]  netlink_unicast+0x53b/0x810
[  563.701839][ T7731]  ? netlink_attachskb+0x870/0x870
[  563.707175][ T7731]  ? __phys_addr_symbol+0x30/0x70
[  563.712776][ T7731]  ? __check_object_size+0x322/0x730
[  563.718370][ T7731]  netlink_sendmsg+0x939/0xe40
[  563.723418][ T7731]  ? netlink_unicast+0x810/0x810
[  563.728374][ T7731]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  563.733842][ T7731]  ? netlink_unicast+0x810/0x810
[  563.739260][ T7731]  __sock_sendmsg+0xd5/0x180
[  563.743901][ T7731]  ____sys_sendmsg+0x6ac/0x940
[  563.748786][ T7731]  ? copy_msghdr_from_user+0x10b/0x160
[  563.754391][ T7731]  ? kernel_sendmsg+0x50/0x50
[  563.759190][ T7731]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  563.765384][ T7731]  ___sys_sendmsg+0x135/0x1d0
[  563.770082][ T7731]  ? do_recvmmsg+0x740/0x740
[  563.774872][ T7731]  ? find_held_lock+0x2d/0x110
[  563.779835][ T7731]  ? preempt_count_sub+0x150/0x150
[  563.784982][ T7731]  ? __fget_light+0x1fa/0x260
[  563.790373][ T7731]  __sys_sendmsg+0x117/0x1e0
[  563.794976][ T7731]  ? __sys_sendmsg_sock+0x30/0x30
[  563.800161][ T7731]  ? syscall_enter_from_user_mode+0x26/0x80
[  563.818430][ T7731]  do_syscall_64+0x3f/0x110
[  563.822973][ T7731]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  563.829142][ T7731] RIP: 0033:0x7fa730b27eb9
[  563.834290][ T7731] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  563.854280][ T7731] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  563.862918][ T7731] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  563.871218][ T7731] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  563.879614][ T7731] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  563.887891][ T7731] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  563.896822][ T7731] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  563.905084][ T7731]  </TASK>
[  563.948519][ T1228] ieee802154 phy0 wpan0: encryption failed: -22
[  563.955348][ T1228] ieee802154 phy1 wpan1: encryption failed: -22
[  563.979212][ T7731] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  564.013642][ T7731] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  564.023398][ T7731] CPU: 0 PID: 7731 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  564.035784][ T7731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  564.046144][ T7731] Call Trace:
[  564.049624][ T7731]  <TASK>
[  564.052579][ T7731]  dump_stack_lvl+0x125/0x1b0
[  564.057301][ T7731]  sysfs_warn_dup+0x7f/0xa0
[  564.061931][ T7731]  sysfs_create_dir_ns+0x247/0x2a0
[  564.067154][ T7731]  ? sysfs_create_mount_point+0xb0/0xb0
[  564.072918][ T7731]  ? spin_bug+0x1c0/0x1c0
[  564.077659][ T7731]  ? net_namespace+0x12/0x40
[  564.082380][ T7731]  ? device_namespace+0x8d/0xc0
[  564.087294][ T7731]  kobject_add_internal+0x2c8/0x960
[  564.092761][ T7731]  kobject_add+0x16f/0x240
[  564.097307][ T7731]  ? kset_create_and_add+0x190/0x190
[  564.102632][ T7731]  ? do_raw_spin_unlock+0x172/0x230
[  564.107951][ T7731]  ? kobject_put+0xbe/0x440
[  564.112674][ T7731]  ? device_add+0xc35/0x1aa0
[  564.117470][ T7731]  device_add+0x289/0x1aa0
[  564.122091][ T7731]  ? device_initialize+0x510/0x510
[  564.127402][ T7731]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  564.133436][ T7731]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  564.140446][ T7731]  ? __init_waitqueue_head+0xca/0x150
[  564.146047][ T7731]  netdev_register_kobject+0x183/0x3f0
[  564.151770][ T7731]  register_netdevice+0xbdf/0x14a0
[  564.156915][ T7731]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  564.163442][ T7731]  ? validate_linkmsg+0x6fc/0x9c0
[  564.168505][ T7731]  ? rtnl_create_link+0xa6d/0xfd0
[  564.173660][ T7731]  ? batadv_get_sset_count+0x40/0x40
[  564.178978][ T7731]  batadv_softif_newlink+0x70/0x90
[  564.184124][ T7731]  __rtnl_newlink+0x1173/0x1930
[  564.189012][ T7731]  ? rtnl_link_unregister+0x260/0x260
[  564.194617][ T7731]  rtnl_newlink+0x67/0xa0
[  564.199053][ T7731]  ? __rtnl_newlink+0x1930/0x1930
[  564.204134][ T7731]  rtnetlink_rcv_msg+0x3c7/0xe00
[  564.209225][ T7731]  ? rtnl_getlink+0xb40/0xb40
[  564.214042][ T7731]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  564.220337][ T7731]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  564.226354][ T7731]  ? __lock_acquire+0xc97/0x5dc0
[  564.231439][ T7731]  netlink_rcv_skb+0x16b/0x440
[  564.236756][ T7731]  ? rtnl_getlink+0xb40/0xb40
[  564.241647][ T7731]  ? netlink_ack+0x1370/0x1370
[  564.246526][ T7731]  ? lock_sync+0x180/0x180
[  564.250991][ T7731]  ? netlink_deliver_tap+0x1a0/0xd00
[  564.256494][ T7731]  ? _copy_from_iter+0x2c1/0x10f0
[  564.261559][ T7731]  netlink_unicast+0x53b/0x810
[  564.266361][ T7731]  ? netlink_attachskb+0x870/0x870
[  564.271495][ T7731]  ? __phys_addr_symbol+0x30/0x70
[  564.276554][ T7731]  ? __check_object_size+0x322/0x730
[  564.281953][ T7731]  netlink_sendmsg+0x939/0xe40
[  564.287012][ T7731]  ? netlink_unicast+0x810/0x810
[  564.291981][ T7731]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  564.297303][ T7731]  ? netlink_unicast+0x810/0x810
[  564.302270][ T7731]  __sock_sendmsg+0xd5/0x180
[  564.306892][ T7731]  ____sys_sendmsg+0x6ac/0x940
[  564.311714][ T7731]  ? copy_msghdr_from_user+0x10b/0x160
[  564.317367][ T7731]  ? kernel_sendmsg+0x50/0x50
[  564.322082][ T7731]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  564.328104][ T7731]  ___sys_sendmsg+0x135/0x1d0
[  564.332994][ T7731]  ? do_recvmmsg+0x740/0x740
[  564.337619][ T7731]  ? find_held_lock+0x2d/0x110
[  564.342614][ T7731]  ? preempt_count_sub+0x150/0x150
[  564.347768][ T7731]  ? __fget_light+0x1fa/0x260
[  564.352659][ T7731]  __sys_sendmsg+0x117/0x1e0
[  564.357367][ T7731]  ? __sys_sendmsg_sock+0x30/0x30
[  564.362525][ T7731]  ? syscall_enter_from_user_mode+0x26/0x80
[  564.368624][ T7731]  do_syscall_64+0x3f/0x110
[  564.373236][ T7731]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  564.379232][ T7731] RIP: 0033:0x7fa730b27eb9
[  564.383743][ T7731] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  564.403635][ T7731] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  564.412058][ T7731] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  564.421083][ T7731] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  564.429493][ T7731] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  564.437728][ T7731] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  564.445814][ T7731] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  564.454349][ T7731]  </TASK>
[  564.477633][ T7731] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  564.539048][ T7732] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  564.550740][ T7732] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  564.560830][ T7732] CPU: 0 PID: 7732 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  564.572631][ T7732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  564.582898][ T7732] Call Trace:
[  564.586201][ T7732]  <TASK>
[  564.589167][ T7732]  dump_stack_lvl+0x125/0x1b0
[  564.594068][ T7732]  sysfs_warn_dup+0x7f/0xa0
[  564.598867][ T7732]  sysfs_create_dir_ns+0x247/0x2a0
[  564.604271][ T7732]  ? sysfs_create_mount_point+0xb0/0xb0
[  564.609847][ T7732]  ? spin_bug+0x1c0/0x1c0
[  564.614220][ T7732]  ? net_namespace+0x12/0x40
[  564.618921][ T7732]  ? device_namespace+0x8d/0xc0
[  564.623821][ T7732]  kobject_add_internal+0x2c8/0x960
[  564.629384][ T7732]  kobject_add+0x16f/0x240
[  564.634186][ T7732]  ? kset_create_and_add+0x190/0x190
[  564.639508][ T7732]  ? do_raw_spin_unlock+0x172/0x230
[  564.645009][ T7732]  ? kobject_put+0xbe/0x440
[  564.649646][ T7732]  ? device_add+0xc35/0x1aa0
[  564.654554][ T7732]  device_add+0x289/0x1aa0
[  564.659022][ T7732]  ? device_initialize+0x510/0x510
[  564.665589][ T7732]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  564.671518][ T7732]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  564.678808][ T7732]  ? __init_waitqueue_head+0xca/0x150
[  564.684682][ T7732]  netdev_register_kobject+0x183/0x3f0
[  564.690453][ T7732]  register_netdevice+0xbdf/0x14a0
[  564.695633][ T7732]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  564.701852][ T7732]  ? team_nl_cmd_noop+0x280/0x280
[  564.707378][ T7732]  team_newlink+0x92/0x160
[  564.712396][ T7732]  ? team_nl_cmd_noop+0x280/0x280
[  564.718440][ T7732]  ? rtnl_create_link+0xa6d/0xfd0
[  564.723816][ T7732]  __rtnl_newlink+0x1173/0x1930
[  564.728925][ T7732]  ? rtnl_link_unregister+0x260/0x260
[  564.734633][ T7732]  rtnl_newlink+0x67/0xa0
[  564.739019][ T7732]  ? __rtnl_newlink+0x1930/0x1930
[  564.744275][ T7732]  rtnetlink_rcv_msg+0x3c7/0xe00
[  564.749466][ T7732]  ? rtnl_getlink+0xb40/0xb40
[  564.754291][ T7732]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  564.760678][ T7732]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  564.766984][ T7732]  ? __lock_acquire+0xc97/0x5dc0
[  564.772513][ T7732]  netlink_rcv_skb+0x16b/0x440
[  564.777410][ T7732]  ? rtnl_getlink+0xb40/0xb40
[  564.782139][ T7732]  ? netlink_ack+0x1370/0x1370
[  564.786954][ T7732]  ? lock_sync+0x180/0x180
[  564.791608][ T7732]  ? netlink_deliver_tap+0x1a0/0xd00
[  564.797047][ T7732]  ? _copy_from_iter+0x2c1/0x10f0
[  564.802294][ T7732]  netlink_unicast+0x53b/0x810
[  564.807217][ T7732]  ? netlink_attachskb+0x870/0x870
[  564.812700][ T7732]  ? __phys_addr_symbol+0x30/0x70
[  564.818041][ T7732]  ? __check_object_size+0x322/0x730
[  564.823723][ T7732]  netlink_sendmsg+0x939/0xe40
[  564.828743][ T7732]  ? netlink_unicast+0x810/0x810
[  564.833839][ T7732]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  564.839258][ T7732]  ? netlink_unicast+0x810/0x810
[  564.844272][ T7732]  __sock_sendmsg+0xd5/0x180
[  564.849001][ T7732]  ____sys_sendmsg+0x6ac/0x940
[  564.853887][ T7732]  ? copy_msghdr_from_user+0x10b/0x160
[  564.859386][ T7732]  ? kernel_sendmsg+0x50/0x50
[  564.864203][ T7732]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  564.870341][ T7732]  ___sys_sendmsg+0x135/0x1d0
[  564.875687][ T7732]  ? do_recvmmsg+0x740/0x740
[  564.880710][ T7732]  ? find_held_lock+0x2d/0x110
[  564.885729][ T7732]  ? preempt_count_sub+0x150/0x150
[  564.891098][ T7732]  ? __fget_light+0x1fa/0x260
[  564.896352][ T7732]  __sys_sendmsg+0x117/0x1e0
[  564.902194][ T7732]  ? __sys_sendmsg_sock+0x30/0x30
[  564.907853][ T7732]  ? syscall_enter_from_user_mode+0x26/0x80
[  564.914584][ T7732]  do_syscall_64+0x3f/0x110
[  564.920213][ T7732]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  564.927523][ T7732] RIP: 0033:0x7fa730b27eb9
[  564.933293][ T7732] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  564.956475][ T7732] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  564.965391][ T7732] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  564.974046][ T7732] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  564.982610][ T7732] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  564.991345][ T7732] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  564.999812][ T7732] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  565.008759][ T7732]  </TASK>
[  565.014315][ T7732] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  565.055000][ T7732] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  565.064339][ T7732] CPU: 0 PID: 7732 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  565.076651][ T7732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  565.087184][ T7732] Call Trace:
[  565.090661][ T7732]  <TASK>
[  565.093621][ T7732]  dump_stack_lvl+0x125/0x1b0
[  565.098342][ T7732]  sysfs_warn_dup+0x7f/0xa0
[  565.102943][ T7732]  sysfs_create_dir_ns+0x247/0x2a0
[  565.108095][ T7732]  ? sysfs_create_mount_point+0xb0/0xb0
[  565.114040][ T7732]  ? spin_bug+0x1c0/0x1c0
[  565.118513][ T7732]  ? net_namespace+0x12/0x40
[  565.123402][ T7732]  ? device_namespace+0x8d/0xc0
[  565.128319][ T7732]  kobject_add_internal+0x2c8/0x960
[  565.133858][ T7732]  kobject_add+0x16f/0x240
[  565.138427][ T7732]  ? kset_create_and_add+0x190/0x190
[  565.144729][ T7732]  ? do_raw_spin_unlock+0x172/0x230
[  565.150085][ T7732]  ? kobject_put+0xbe/0x440
[  565.154809][ T7732]  ? device_add+0xc35/0x1aa0
[  565.159813][ T7732]  device_add+0x289/0x1aa0
[  565.164588][ T7732]  ? device_initialize+0x510/0x510
[  565.170192][ T7732]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  565.176249][ T7732]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  565.183440][ T7732]  ? __init_waitqueue_head+0xca/0x150
[  565.189281][ T7732]  netdev_register_kobject+0x183/0x3f0
[  565.195624][ T7732]  register_netdevice+0xbdf/0x14a0
[  565.201489][ T7732]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  565.207840][ T7732]  ? validate_linkmsg+0x6fc/0x9c0
[  565.213600][ T7732]  ? rtnl_create_link+0xa6d/0xfd0
[  565.219070][ T7732]  ? batadv_get_sset_count+0x40/0x40
[  565.224800][ T7732]  batadv_softif_newlink+0x70/0x90
[  565.230267][ T7732]  __rtnl_newlink+0x1173/0x1930
[  565.235613][ T7732]  ? rtnl_link_unregister+0x260/0x260
[  565.241859][ T7732]  rtnl_newlink+0x67/0xa0
[  565.246598][ T7732]  ? __rtnl_newlink+0x1930/0x1930
[  565.251842][ T7732]  rtnetlink_rcv_msg+0x3c7/0xe00
[  565.257013][ T7732]  ? rtnl_getlink+0xb40/0xb40
[  565.261751][ T7732]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  565.267808][ T7732]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  565.274032][ T7732]  ? __lock_acquire+0xc97/0x5dc0
[  565.279135][ T7732]  netlink_rcv_skb+0x16b/0x440
[  565.284224][ T7732]  ? rtnl_getlink+0xb40/0xb40
[  565.289635][ T7732]  ? netlink_ack+0x1370/0x1370
[  565.294867][ T7732]  ? lock_sync+0x180/0x180
[  565.299424][ T7732]  ? netlink_deliver_tap+0x1a0/0xd00
[  565.304749][ T7732]  ? _copy_from_iter+0x2c1/0x10f0
[  565.309810][ T7732]  netlink_unicast+0x53b/0x810
[  565.314787][ T7732]  ? netlink_attachskb+0x870/0x870
[  565.319933][ T7732]  ? __phys_addr_symbol+0x30/0x70
[  565.324993][ T7732]  ? __check_object_size+0x322/0x730
[  565.330324][ T7732]  netlink_sendmsg+0x939/0xe40
[  565.335131][ T7732]  ? netlink_unicast+0x810/0x810
[  565.340218][ T7732]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  565.345708][ T7732]  ? netlink_unicast+0x810/0x810
[  565.350852][ T7732]  __sock_sendmsg+0xd5/0x180
[  565.355475][ T7732]  ____sys_sendmsg+0x6ac/0x940
[  565.360283][ T7732]  ? copy_msghdr_from_user+0x10b/0x160
[  565.365790][ T7732]  ? kernel_sendmsg+0x50/0x50
[  565.370689][ T7732]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  565.376892][ T7732]  ___sys_sendmsg+0x135/0x1d0
[  565.381615][ T7732]  ? do_recvmmsg+0x740/0x740
[  565.386405][ T7732]  ? find_held_lock+0x2d/0x110
[  565.391299][ T7732]  ? preempt_count_sub+0x150/0x150
[  565.396538][ T7732]  ? __fget_light+0x1fa/0x260
[  565.401276][ T7732]  __sys_sendmsg+0x117/0x1e0
[  565.405897][ T7732]  ? __sys_sendmsg_sock+0x30/0x30
[  565.411482][ T7732]  ? syscall_enter_from_user_mode+0x26/0x80
[  565.417607][ T7732]  do_syscall_64+0x3f/0x110
[  565.422243][ T7732]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  565.428342][ T7732] RIP: 0033:0x7fa730b27eb9
[  565.433124][ T7732] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  565.453555][ T7732] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  565.462100][ T7732] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  565.470447][ T7732] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  565.478758][ T7732] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  565.486837][ T7732] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  565.495656][ T7732] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  565.506108][ T7732]  </TASK>
[  565.511007][ T7732] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  565.588840][ T7733] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  565.600524][ T7733] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  565.610969][ T7733] CPU: 0 PID: 7733 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  565.622730][ T7733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  565.633420][ T7733] Call Trace:
[  565.636832][ T7733]  <TASK>
[  565.640142][ T7733]  dump_stack_lvl+0x125/0x1b0
[  565.644991][ T7733]  sysfs_warn_dup+0x7f/0xa0
[  565.649989][ T7733]  sysfs_create_dir_ns+0x247/0x2a0
[  565.655173][ T7733]  ? sysfs_create_mount_point+0xb0/0xb0
[  565.661376][ T7733]  ? spin_bug+0x1c0/0x1c0
[  565.666013][ T7733]  ? net_namespace+0x12/0x40
[  565.672367][ T7733]  ? device_namespace+0x8d/0xc0
[  565.677534][ T7733]  kobject_add_internal+0x2c8/0x960
[  565.682865][ T7733]  kobject_add+0x16f/0x240
[  565.687398][ T7733]  ? kset_create_and_add+0x190/0x190
[  565.692978][ T7733]  ? do_raw_spin_unlock+0x172/0x230
[  565.698308][ T7733]  ? kobject_put+0xbe/0x440
[  565.702845][ T7733]  ? device_add+0xc35/0x1aa0
[  565.707469][ T7733]  device_add+0x289/0x1aa0
[  565.711998][ T7733]  ? device_initialize+0x510/0x510
[  565.717224][ T7733]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  565.724311][ T7733]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  565.731831][ T7733]  ? __init_waitqueue_head+0xca/0x150
[  565.737924][ T7733]  netdev_register_kobject+0x183/0x3f0
[  565.743599][ T7733]  register_netdevice+0xbdf/0x14a0
[  565.749033][ T7733]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  565.755177][ T7733]  ? team_nl_cmd_noop+0x280/0x280
[  565.761912][ T7733]  team_newlink+0x92/0x160
[  565.766963][ T7733]  ? team_nl_cmd_noop+0x280/0x280
[  565.772878][ T7733]  ? rtnl_create_link+0xa6d/0xfd0
[  565.778240][ T7733]  __rtnl_newlink+0x1173/0x1930
[  565.783616][ T7733]  ? rtnl_link_unregister+0x260/0x260
[  565.789316][ T7733]  rtnl_newlink+0x67/0xa0
[  565.793852][ T7733]  ? __rtnl_newlink+0x1930/0x1930
[  565.798926][ T7733]  rtnetlink_rcv_msg+0x3c7/0xe00
[  565.804109][ T7733]  ? rtnl_getlink+0xb40/0xb40
[  565.809248][ T7733]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  565.815452][ T7733]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  565.821745][ T7733]  ? __lock_acquire+0xc97/0x5dc0
[  565.826816][ T7733]  netlink_rcv_skb+0x16b/0x440
[  565.831892][ T7733]  ? rtnl_getlink+0xb40/0xb40
[  565.838960][ T7733]  ? netlink_ack+0x1370/0x1370
[  565.844156][ T7733]  ? lock_sync+0x180/0x180
[  565.848661][ T7733]  ? netlink_deliver_tap+0x1a0/0xd00
[  565.854520][ T7733]  ? _copy_from_iter+0x2c1/0x10f0
[  565.861096][ T7733]  netlink_unicast+0x53b/0x810
[  565.866710][ T7733]  ? netlink_attachskb+0x870/0x870
[  565.872228][ T7733]  ? __phys_addr_symbol+0x30/0x70
[  565.877909][ T7733]  ? __check_object_size+0x322/0x730
[  565.884975][ T7733]  netlink_sendmsg+0x939/0xe40
[  565.889967][ T7733]  ? netlink_unicast+0x810/0x810
[  565.895456][ T7733]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  565.901160][ T7733]  ? netlink_unicast+0x810/0x810
[  565.906422][ T7733]  __sock_sendmsg+0xd5/0x180
[  565.911301][ T7733]  ____sys_sendmsg+0x6ac/0x940
[  565.916191][ T7733]  ? copy_msghdr_from_user+0x10b/0x160
[  565.922155][ T7733]  ? kernel_sendmsg+0x50/0x50
[  565.929331][ T7733]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  565.936798][ T7733]  ___sys_sendmsg+0x135/0x1d0
[  565.942529][ T7733]  ? do_recvmmsg+0x740/0x740
[  565.947612][ T7733]  ? find_held_lock+0x2d/0x110
[  565.952907][ T7733]  ? preempt_count_sub+0x150/0x150
[  565.958721][ T7733]  ? __fget_light+0x1fa/0x260
[  565.963583][ T7733]  __sys_sendmsg+0x117/0x1e0
[  565.968564][ T7733]  ? __sys_sendmsg_sock+0x30/0x30
[  565.973822][ T7733]  ? syscall_enter_from_user_mode+0x26/0x80
[  565.979996][ T7733]  do_syscall_64+0x3f/0x110
[  565.984568][ T7733]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  565.990841][ T7733] RIP: 0033:0x7fa730b27eb9
[  565.995924][ T7733] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  566.018369][ T7733] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  566.027463][ T7733] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  566.037061][ T7733] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  566.045608][ T7733] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  566.054121][ T7733] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  566.063803][ T7733] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  566.072782][ T7733]  </TASK>
[  566.091721][ T7733] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  566.138482][ T7733] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  566.151301][ T7733] CPU: 0 PID: 7733 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  566.163439][ T7733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  566.174650][ T7733] Call Trace:
[  566.179189][ T7733]  <TASK>
[  566.182173][ T7733]  dump_stack_lvl+0x125/0x1b0
[  566.187439][ T7733]  sysfs_warn_dup+0x7f/0xa0
[  566.192468][ T7733]  sysfs_create_dir_ns+0x247/0x2a0
[  566.197857][ T7733]  ? sysfs_create_mount_point+0xb0/0xb0
[  566.203412][ T7733]  ? spin_bug+0x1c0/0x1c0
[  566.207765][ T7733]  ? net_namespace+0x12/0x40
[  566.212730][ T7733]  ? device_namespace+0x8d/0xc0
[  566.217677][ T7733]  kobject_add_internal+0x2c8/0x960
[  566.222936][ T7733]  kobject_add+0x16f/0x240
[  566.227796][ T7733]  ? kset_create_and_add+0x190/0x190
[  566.233380][ T7733]  ? do_raw_spin_unlock+0x172/0x230
[  566.239334][ T7733]  ? kobject_put+0xbe/0x440
[  566.244219][ T7733]  ? device_add+0xc35/0x1aa0
[  566.249124][ T7733]  device_add+0x289/0x1aa0
[  566.253764][ T7733]  ? device_initialize+0x510/0x510
[  566.259005][ T7733]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  566.264849][ T7733]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  566.272191][ T7733]  ? __init_waitqueue_head+0xca/0x150
[  566.277763][ T7733]  netdev_register_kobject+0x183/0x3f0
[  566.283248][ T7733]  register_netdevice+0xbdf/0x14a0
[  566.288653][ T7733]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  566.294639][ T7733]  ? validate_linkmsg+0x6fc/0x9c0
[  566.300118][ T7733]  ? rtnl_create_link+0xa6d/0xfd0
[  566.305248][ T7733]  ? batadv_get_sset_count+0x40/0x40
[  566.310566][ T7733]  batadv_softif_newlink+0x70/0x90
[  566.316312][ T7733]  __rtnl_newlink+0x1173/0x1930
[  566.321276][ T7733]  ? rtnl_link_unregister+0x260/0x260
[  566.326737][ T7733]  rtnl_newlink+0x67/0xa0
[  566.331717][ T7733]  ? __rtnl_newlink+0x1930/0x1930
[  566.337817][ T7733]  rtnetlink_rcv_msg+0x3c7/0xe00
[  566.344198][ T7733]  ? rtnl_getlink+0xb40/0xb40
[  566.348901][ T7733]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  566.355333][ T7733]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  566.361850][ T7733]  ? __lock_acquire+0xc97/0x5dc0
[  566.366819][ T7733]  netlink_rcv_skb+0x16b/0x440
[  566.371609][ T7733]  ? rtnl_getlink+0xb40/0xb40
[  566.376302][ T7733]  ? netlink_ack+0x1370/0x1370
[  566.381339][ T7733]  ? lock_sync+0x180/0x180
[  566.385959][ T7733]  ? netlink_deliver_tap+0x1a0/0xd00
[  566.391426][ T7733]  ? _copy_from_iter+0x2c1/0x10f0
[  566.396736][ T7733]  netlink_unicast+0x53b/0x810
[  566.401979][ T7733]  ? netlink_attachskb+0x870/0x870
[  566.407195][ T7733]  ? __phys_addr_symbol+0x30/0x70
[  566.412578][ T7733]  ? __check_object_size+0x322/0x730
[  566.417882][ T7733]  netlink_sendmsg+0x939/0xe40
[  566.422747][ T7733]  ? netlink_unicast+0x810/0x810
[  566.427879][ T7733]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  566.433259][ T7733]  ? netlink_unicast+0x810/0x810
[  566.438385][ T7733]  __sock_sendmsg+0xd5/0x180
[  566.443245][ T7733]  ____sys_sendmsg+0x6ac/0x940
[  566.448107][ T7733]  ? copy_msghdr_from_user+0x10b/0x160
[  566.453575][ T7733]  ? kernel_sendmsg+0x50/0x50
[  566.458262][ T7733]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  566.464621][ T7733]  ___sys_sendmsg+0x135/0x1d0
[  566.469419][ T7733]  ? do_recvmmsg+0x740/0x740
[  566.474192][ T7733]  ? find_held_lock+0x2d/0x110
[  566.479081][ T7733]  ? preempt_count_sub+0x150/0x150
[  566.485289][ T7733]  ? __fget_light+0x1fa/0x260
[  566.491110][ T7733]  __sys_sendmsg+0x117/0x1e0
[  566.495804][ T7733]  ? __sys_sendmsg_sock+0x30/0x30
[  566.501397][ T7733]  ? syscall_enter_from_user_mode+0x26/0x80
[  566.507946][ T7733]  do_syscall_64+0x3f/0x110
[  566.512565][ T7733]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  566.518598][ T7733] RIP: 0033:0x7fa730b27eb9
[  566.523940][ T7733] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  566.544124][ T7733] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  566.553595][ T7733] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  566.561657][ T7733] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  566.569954][ T7733] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  566.578234][ T7733] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  566.586330][ T7733] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  566.595729][ T7733]  </TASK>
[  566.599376][ T7733] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  566.681823][ T7734] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  566.694625][ T7734] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  566.704293][ T7734] CPU: 0 PID: 7734 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  566.716216][ T7734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  566.727271][ T7734] Call Trace:
[  566.730632][ T7734]  <TASK>
[  566.733592][ T7734]  dump_stack_lvl+0x125/0x1b0
[  566.738502][ T7734]  sysfs_warn_dup+0x7f/0xa0
[  566.743124][ T7734]  sysfs_create_dir_ns+0x247/0x2a0
[  566.748541][ T7734]  ? sysfs_create_mount_point+0xb0/0xb0
[  566.754215][ T7734]  ? spin_bug+0x1c0/0x1c0
[  566.758698][ T7734]  ? net_namespace+0x12/0x40
[  566.763521][ T7734]  ? device_namespace+0x8d/0xc0
[  566.768418][ T7734]  kobject_add_internal+0x2c8/0x960
[  566.773668][ T7734]  kobject_add+0x16f/0x240
[  566.778317][ T7734]  ? kset_create_and_add+0x190/0x190
[  566.783727][ T7734]  ? do_raw_spin_unlock+0x172/0x230
[  566.788972][ T7734]  ? kobject_put+0xbe/0x440
[  566.793655][ T7734]  ? device_add+0xc35/0x1aa0
[  566.798278][ T7734]  device_add+0x289/0x1aa0
[  566.802906][ T7734]  ? device_initialize+0x510/0x510
[  566.808052][ T7734]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  566.814959][ T7734]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  566.822232][ T7734]  ? __init_waitqueue_head+0xca/0x150
[  566.827668][ T7734]  netdev_register_kobject+0x183/0x3f0
[  566.833451][ T7734]  register_netdevice+0xbdf/0x14a0
[  566.838819][ T7734]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  566.844783][ T7734]  ? team_nl_cmd_noop+0x280/0x280
[  566.849855][ T7734]  team_newlink+0x92/0x160
[  566.854493][ T7734]  ? team_nl_cmd_noop+0x280/0x280
[  566.859593][ T7734]  ? rtnl_create_link+0xa6d/0xfd0
[  566.867284][ T7734]  __rtnl_newlink+0x1173/0x1930
[  566.872200][ T7734]  ? rtnl_link_unregister+0x260/0x260
[  566.877660][ T7734]  rtnl_newlink+0x67/0xa0
[  566.882022][ T7734]  ? __rtnl_newlink+0x1930/0x1930
[  566.887072][ T7734]  rtnetlink_rcv_msg+0x3c7/0xe00
[  566.892397][ T7734]  ? rtnl_getlink+0xb40/0xb40
[  566.897108][ T7734]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  566.903220][ T7734]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  566.909257][ T7734]  ? __lock_acquire+0xc97/0x5dc0
[  566.914255][ T7734]  netlink_rcv_skb+0x16b/0x440
[  566.919260][ T7734]  ? rtnl_getlink+0xb40/0xb40
[  566.924248][ T7734]  ? netlink_ack+0x1370/0x1370
[  566.929156][ T7734]  ? lock_sync+0x180/0x180
[  566.933920][ T7734]  ? netlink_deliver_tap+0x1a0/0xd00
[  566.939773][ T7734]  ? _copy_from_iter+0x2c1/0x10f0
[  566.945126][ T7734]  netlink_unicast+0x53b/0x810
[  566.950041][ T7734]  ? netlink_attachskb+0x870/0x870
[  566.955544][ T7734]  ? __phys_addr_symbol+0x30/0x70
[  566.960691][ T7734]  ? __check_object_size+0x322/0x730
[  566.966480][ T7734]  netlink_sendmsg+0x939/0xe40
[  566.971293][ T7734]  ? netlink_unicast+0x810/0x810
[  566.976490][ T7734]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  566.981819][ T7734]  ? netlink_unicast+0x810/0x810
[  566.986788][ T7734]  __sock_sendmsg+0xd5/0x180
[  566.991848][ T7734]  ____sys_sendmsg+0x6ac/0x940
[  566.997333][ T7734]  ? copy_msghdr_from_user+0x10b/0x160
[  567.004144][ T7734]  ? kernel_sendmsg+0x50/0x50
[  567.008859][ T7734]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  567.014887][ T7734]  ___sys_sendmsg+0x135/0x1d0
[  567.019699][ T7734]  ? do_recvmmsg+0x740/0x740
[  567.024496][ T7734]  ? find_held_lock+0x2d/0x110
[  567.029484][ T7734]  ? preempt_count_sub+0x150/0x150
[  567.035182][ T7734]  ? __fget_light+0x1fa/0x260
[  567.040162][ T7734]  __sys_sendmsg+0x117/0x1e0
[  567.045140][ T7734]  ? __sys_sendmsg_sock+0x30/0x30
[  567.050318][ T7734]  ? syscall_enter_from_user_mode+0x26/0x80
[  567.056248][ T7734]  do_syscall_64+0x3f/0x110
[  567.060786][ T7734]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  567.066885][ T7734] RIP: 0033:0x7fa730b27eb9
[  567.071319][ T7734] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  567.091660][ T7734] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  567.100274][ T7734] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  567.108281][ T7734] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  567.116501][ T7734] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  567.124760][ T7734] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  567.132841][ T7734] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  567.140865][ T7734]  </TASK>
[  567.160786][ T7734] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  567.188338][ T7734] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  567.198282][ T7734] CPU: 1 PID: 7734 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  567.210644][ T7734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  567.221006][ T7734] Call Trace:
[  567.224308][ T7734]  <TASK>
[  567.227263][ T7734]  dump_stack_lvl+0x125/0x1b0
[  567.231978][ T7734]  sysfs_warn_dup+0x7f/0xa0
[  567.236633][ T7734]  sysfs_create_dir_ns+0x247/0x2a0
[  567.241777][ T7734]  ? sysfs_create_mount_point+0xb0/0xb0
[  567.247345][ T7734]  ? spin_bug+0x1c0/0x1c0
[  567.251712][ T7734]  ? net_namespace+0x12/0x40
[  567.256397][ T7734]  ? device_namespace+0x8d/0xc0
[  567.261378][ T7734]  kobject_add_internal+0x2c8/0x960
[  567.266702][ T7734]  kobject_add+0x16f/0x240
[  567.271145][ T7734]  ? kset_create_and_add+0x190/0x190
[  567.276564][ T7734]  ? do_raw_spin_unlock+0x172/0x230
[  567.281882][ T7734]  ? kobject_put+0xbe/0x440
[  567.286417][ T7734]  ? device_add+0xc35/0x1aa0
[  567.291146][ T7734]  device_add+0x289/0x1aa0
[  567.295674][ T7734]  ? device_initialize+0x510/0x510
[  567.300805][ T7734]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  567.306641][ T7734]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  567.313783][ T7734]  ? __init_waitqueue_head+0xca/0x150
[  567.319277][ T7734]  netdev_register_kobject+0x183/0x3f0
[  567.325124][ T7734]  register_netdevice+0xbdf/0x14a0
[  567.330267][ T7734]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  567.336296][ T7734]  ? validate_linkmsg+0x6fc/0x9c0
[  567.342176][ T7734]  ? rtnl_create_link+0xa6d/0xfd0
[  567.347415][ T7734]  ? batadv_get_sset_count+0x40/0x40
[  567.352732][ T7734]  batadv_softif_newlink+0x70/0x90
[  567.357872][ T7734]  __rtnl_newlink+0x1173/0x1930
[  567.362769][ T7734]  ? rtnl_link_unregister+0x260/0x260
[  567.368205][ T7734]  rtnl_newlink+0x67/0xa0
[  567.372647][ T7734]  ? __rtnl_newlink+0x1930/0x1930
[  567.377788][ T7734]  rtnetlink_rcv_msg+0x3c7/0xe00
[  567.382752][ T7734]  ? rtnl_getlink+0xb40/0xb40
[  567.387474][ T7734]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  567.393572][ T7734]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  567.400015][ T7734]  ? __lock_acquire+0xc97/0x5dc0
[  567.405082][ T7734]  netlink_rcv_skb+0x16b/0x440
[  567.409979][ T7734]  ? rtnl_getlink+0xb40/0xb40
[  567.414775][ T7734]  ? netlink_ack+0x1370/0x1370
[  567.421229][ T7734]  ? lock_sync+0x180/0x180
[  567.425709][ T7734]  ? netlink_deliver_tap+0x1a0/0xd00
[  567.431113][ T7734]  ? _copy_from_iter+0x2c1/0x10f0
[  567.436178][ T7734]  netlink_unicast+0x53b/0x810
[  567.440982][ T7734]  ? netlink_attachskb+0x870/0x870
[  567.446480][ T7734]  ? __phys_addr_symbol+0x30/0x70
[  567.451614][ T7734]  ? __check_object_size+0x322/0x730
[  567.456927][ T7734]  netlink_sendmsg+0x939/0xe40
[  567.461733][ T7734]  ? netlink_unicast+0x810/0x810
[  567.466880][ T7734]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  567.472277][ T7734]  ? netlink_unicast+0x810/0x810
[  567.477329][ T7734]  __sock_sendmsg+0xd5/0x180
[  567.482030][ T7734]  ____sys_sendmsg+0x6ac/0x940
[  567.486847][ T7734]  ? copy_msghdr_from_user+0x10b/0x160
[  567.492359][ T7734]  ? kernel_sendmsg+0x50/0x50
[  567.497324][ T7734]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  567.503605][ T7734]  ___sys_sendmsg+0x135/0x1d0
[  567.508487][ T7734]  ? do_recvmmsg+0x740/0x740
[  567.513211][ T7734]  ? find_held_lock+0x2d/0x110
[  567.518032][ T7734]  ? preempt_count_sub+0x150/0x150
[  567.523285][ T7734]  ? __fget_light+0x1fa/0x260
[  567.528007][ T7734]  __sys_sendmsg+0x117/0x1e0
[  567.532712][ T7734]  ? __sys_sendmsg_sock+0x30/0x30
[  567.537795][ T7734]  ? syscall_enter_from_user_mode+0x26/0x80
[  567.543806][ T7734]  do_syscall_64+0x3f/0x110
[  567.548385][ T7734]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  567.554306][ T7734] RIP: 0033:0x7fa730b27eb9
[  567.558828][ T7734] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  567.578813][ T7734] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  567.587353][ T7734] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  567.595521][ T7734] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  567.603950][ T7734] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  567.611946][ T7734] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  567.620109][ T7734] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  567.628290][ T7734]  </TASK>
[  567.649377][ T7734] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  567.708785][ T7735] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  567.720210][ T7735] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  567.729944][ T7735] CPU: 1 PID: 7735 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  567.741444][ T7735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  567.751609][ T7735] Call Trace:
[  567.755647][ T7735]  <TASK>
[  567.759203][ T7735]  dump_stack_lvl+0x125/0x1b0
[  567.764027][ T7735]  sysfs_warn_dup+0x7f/0xa0
[  567.769267][ T7735]  sysfs_create_dir_ns+0x247/0x2a0
[  567.774425][ T7735]  ? sysfs_create_mount_point+0xb0/0xb0
[  567.780277][ T7735]  ? spin_bug+0x1c0/0x1c0
[  567.784919][ T7735]  ? net_namespace+0x12/0x40
[  567.789613][ T7735]  ? device_namespace+0x8d/0xc0
[  567.794749][ T7735]  kobject_add_internal+0x2c8/0x960
[  567.799973][ T7735]  kobject_add+0x16f/0x240
[  567.804409][ T7735]  ? kset_create_and_add+0x190/0x190
[  567.810059][ T7735]  ? do_raw_spin_unlock+0x172/0x230
[  567.815291][ T7735]  ? kobject_put+0xbe/0x440
[  567.819817][ T7735]  ? device_add+0xc35/0x1aa0
[  567.824596][ T7735]  device_add+0x289/0x1aa0
[  567.829027][ T7735]  ? device_initialize+0x510/0x510
[  567.834409][ T7735]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  567.840408][ T7735]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  567.847466][ T7735]  ? __init_waitqueue_head+0xca/0x150
[  567.852885][ T7735]  netdev_register_kobject+0x183/0x3f0
[  567.858380][ T7735]  register_netdevice+0xbdf/0x14a0
[  567.863769][ T7735]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  567.870465][ T7735]  ? team_nl_cmd_noop+0x280/0x280
[  567.876290][ T7735]  team_newlink+0x92/0x160
[  567.881602][ T7735]  ? team_nl_cmd_noop+0x280/0x280
[  567.886926][ T7735]  ? rtnl_create_link+0xa6d/0xfd0
[  567.892264][ T7735]  __rtnl_newlink+0x1173/0x1930
[  567.897416][ T7735]  ? rtnl_link_unregister+0x260/0x260
[  567.902916][ T7735]  rtnl_newlink+0x67/0xa0
[  567.907363][ T7735]  ? __rtnl_newlink+0x1930/0x1930
[  567.912484][ T7735]  rtnetlink_rcv_msg+0x3c7/0xe00
[  567.917541][ T7735]  ? rtnl_getlink+0xb40/0xb40
[  567.922506][ T7735]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  567.928810][ T7735]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  567.935137][ T7735]  ? __lock_acquire+0xc97/0x5dc0
[  567.940570][ T7735]  netlink_rcv_skb+0x16b/0x440
[  567.945922][ T7735]  ? rtnl_getlink+0xb40/0xb40
[  567.950744][ T7735]  ? netlink_ack+0x1370/0x1370
[  567.955542][ T7735]  ? lock_sync+0x180/0x180
[  567.959990][ T7735]  ? netlink_deliver_tap+0x1a0/0xd00
[  567.965287][ T7735]  ? _copy_from_iter+0x2c1/0x10f0
[  567.970425][ T7735]  netlink_unicast+0x53b/0x810
[  567.975384][ T7735]  ? netlink_attachskb+0x870/0x870
[  567.980976][ T7735]  ? __phys_addr_symbol+0x30/0x70
[  567.986289][ T7735]  ? __check_object_size+0x322/0x730
[  567.991763][ T7735]  netlink_sendmsg+0x939/0xe40
[  567.996569][ T7735]  ? netlink_unicast+0x810/0x810
[  568.001729][ T7735]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  568.007144][ T7735]  ? netlink_unicast+0x810/0x810
[  568.012369][ T7735]  __sock_sendmsg+0xd5/0x180
[  568.016973][ T7735]  ____sys_sendmsg+0x6ac/0x940
[  568.021744][ T7735]  ? copy_msghdr_from_user+0x10b/0x160
[  568.027404][ T7735]  ? kernel_sendmsg+0x50/0x50
[  568.032274][ T7735]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  568.038372][ T7735]  ___sys_sendmsg+0x135/0x1d0
[  568.043328][ T7735]  ? do_recvmmsg+0x740/0x740
[  568.048116][ T7735]  ? find_held_lock+0x2d/0x110
[  568.052904][ T7735]  ? preempt_count_sub+0x150/0x150
[  568.058042][ T7735]  ? __fget_light+0x1fa/0x260
[  568.062997][ T7735]  __sys_sendmsg+0x117/0x1e0
[  568.067869][ T7735]  ? __sys_sendmsg_sock+0x30/0x30
[  568.074326][ T7735]  ? syscall_enter_from_user_mode+0x26/0x80
[  568.080420][ T7735]  do_syscall_64+0x3f/0x110
[  568.085577][ T7735]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  568.091847][ T7735] RIP: 0033:0x7fa730b27eb9
[  568.096450][ T7735] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  568.116249][ T7735] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  568.124707][ T7735] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  568.133573][ T7735] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  568.141920][ T7735] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  568.149989][ T7735] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  568.158425][ T7735] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  568.166607][ T7735]  </TASK>
[  568.191407][ T7735] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  568.218660][ T7735] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  568.228137][ T7735] CPU: 1 PID: 7735 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  568.239549][ T7735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  568.250333][ T7735] Call Trace:
[  568.253718][ T7735]  <TASK>
[  568.256756][ T7735]  dump_stack_lvl+0x125/0x1b0
[  568.261567][ T7735]  sysfs_warn_dup+0x7f/0xa0
[  568.266180][ T7735]  sysfs_create_dir_ns+0x247/0x2a0
[  568.271756][ T7735]  ? sysfs_create_mount_point+0xb0/0xb0
[  568.277452][ T7735]  ? spin_bug+0x1c0/0x1c0
[  568.282771][ T7735]  ? net_namespace+0x12/0x40
[  568.287486][ T7735]  ? device_namespace+0x8d/0xc0
[  568.292397][ T7735]  kobject_add_internal+0x2c8/0x960
[  568.297672][ T7735]  kobject_add+0x16f/0x240
[  568.302116][ T7735]  ? kset_create_and_add+0x190/0x190
[  568.307443][ T7735]  ? do_raw_spin_unlock+0x172/0x230
[  568.312936][ T7735]  ? kobject_put+0xbe/0x440
[  568.317555][ T7735]  ? device_add+0xc35/0x1aa0
[  568.322236][ T7735]  device_add+0x289/0x1aa0
[  568.326676][ T7735]  ? device_initialize+0x510/0x510
[  568.331803][ T7735]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  568.337984][ T7735]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  568.345562][ T7735]  ? __init_waitqueue_head+0xca/0x150
[  568.350971][ T7735]  netdev_register_kobject+0x183/0x3f0
[  568.356465][ T7735]  register_netdevice+0xbdf/0x14a0
[  568.361786][ T7735]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  568.367707][ T7735]  ? validate_linkmsg+0x6fc/0x9c0
[  568.372865][ T7735]  ? rtnl_create_link+0xa6d/0xfd0
[  568.377923][ T7735]  ? batadv_get_sset_count+0x40/0x40
[  568.383243][ T7735]  batadv_softif_newlink+0x70/0x90
[  568.388385][ T7735]  __rtnl_newlink+0x1173/0x1930
[  568.393450][ T7735]  ? rtnl_link_unregister+0x260/0x260
[  568.398952][ T7735]  rtnl_newlink+0x67/0xa0
[  568.403397][ T7735]  ? __rtnl_newlink+0x1930/0x1930
[  568.408529][ T7735]  rtnetlink_rcv_msg+0x3c7/0xe00
[  568.413583][ T7735]  ? rtnl_getlink+0xb40/0xb40
[  568.418599][ T7735]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  568.425050][ T7735]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  568.431414][ T7735]  ? __lock_acquire+0xc97/0x5dc0
[  568.436387][ T7735]  netlink_rcv_skb+0x16b/0x440
[  568.441180][ T7735]  ? rtnl_getlink+0xb40/0xb40
[  568.445897][ T7735]  ? netlink_ack+0x1370/0x1370
[  568.450873][ T7735]  ? lock_sync+0x180/0x180
[  568.455437][ T7735]  ? netlink_deliver_tap+0x1a0/0xd00
[  568.460946][ T7735]  ? _copy_from_iter+0x2c1/0x10f0
[  568.466022][ T7735]  netlink_unicast+0x53b/0x810
[  568.470833][ T7735]  ? netlink_attachskb+0x870/0x870
[  568.475978][ T7735]  ? __phys_addr_symbol+0x30/0x70
[  568.481045][ T7735]  ? __check_object_size+0x322/0x730
[  568.486706][ T7735]  netlink_sendmsg+0x939/0xe40
[  568.491685][ T7735]  ? netlink_unicast+0x810/0x810
[  568.496792][ T7735]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  568.502101][ T7735]  ? netlink_unicast+0x810/0x810
[  568.507177][ T7735]  __sock_sendmsg+0xd5/0x180
[  568.511837][ T7735]  ____sys_sendmsg+0x6ac/0x940
[  568.516636][ T7735]  ? copy_msghdr_from_user+0x10b/0x160
[  568.522490][ T7735]  ? kernel_sendmsg+0x50/0x50
[  568.527287][ T7735]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  568.533317][ T7735]  ___sys_sendmsg+0x135/0x1d0
[  568.538116][ T7735]  ? do_recvmmsg+0x740/0x740
[  568.542729][ T7735]  ? find_held_lock+0x2d/0x110
[  568.547533][ T7735]  ? preempt_count_sub+0x150/0x150
[  568.552774][ T7735]  ? __fget_light+0x1fa/0x260
[  568.557485][ T7735]  __sys_sendmsg+0x117/0x1e0
[  568.562102][ T7735]  ? __sys_sendmsg_sock+0x30/0x30
[  568.568309][ T7735]  ? syscall_enter_from_user_mode+0x26/0x80
[  568.574414][ T7735]  do_syscall_64+0x3f/0x110
[  568.579131][ T7735]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  568.585065][ T7735] RIP: 0033:0x7fa730b27eb9
[  568.589520][ T7735] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  568.609332][ T7735] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  568.617777][ T7735] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  568.625787][ T7735] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  568.633871][ T7735] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  568.641946][ T7735] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  568.650122][ T7735] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  568.658394][ T7735]  </TASK>
[  568.673846][ T7735] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  568.718854][ T7736] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  568.730193][ T7736] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  568.739583][ T7736] CPU: 1 PID: 7736 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  568.751339][ T7736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  568.761855][ T7736] Call Trace:
[  568.765159][ T7736]  <TASK>
[  568.768101][ T7736]  dump_stack_lvl+0x125/0x1b0
[  568.772986][ T7736]  sysfs_warn_dup+0x7f/0xa0
[  568.777508][ T7736]  sysfs_create_dir_ns+0x247/0x2a0
[  568.782637][ T7736]  ? sysfs_create_mount_point+0xb0/0xb0
[  568.788198][ T7736]  ? spin_bug+0x1c0/0x1c0
[  568.792655][ T7736]  ? net_namespace+0x12/0x40
[  568.797353][ T7736]  ? device_namespace+0x8d/0xc0
[  568.802228][ T7736]  kobject_add_internal+0x2c8/0x960
[  568.807453][ T7736]  kobject_add+0x16f/0x240
[  568.811884][ T7736]  ? kset_create_and_add+0x190/0x190
[  568.817273][ T7736]  ? do_raw_spin_unlock+0x172/0x230
[  568.822574][ T7736]  ? kobject_put+0xbe/0x440
[  568.827123][ T7736]  ? device_add+0xc35/0x1aa0
[  568.831908][ T7736]  device_add+0x289/0x1aa0
[  568.836332][ T7736]  ? device_initialize+0x510/0x510
[  568.841621][ T7736]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  568.847436][ T7736]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  568.854299][ T7736]  ? __init_waitqueue_head+0xca/0x150
[  568.859688][ T7736]  netdev_register_kobject+0x183/0x3f0
[  568.865164][ T7736]  register_netdevice+0xbdf/0x14a0
[  568.870315][ T7736]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  568.876515][ T7736]  ? team_nl_cmd_noop+0x280/0x280
[  568.881571][ T7736]  team_newlink+0x92/0x160
[  568.886093][ T7736]  ? team_nl_cmd_noop+0x280/0x280
[  568.891224][ T7736]  ? rtnl_create_link+0xa6d/0xfd0
[  568.896707][ T7736]  __rtnl_newlink+0x1173/0x1930
[  568.901581][ T7736]  ? rtnl_link_unregister+0x260/0x260
[  568.907352][ T7736]  rtnl_newlink+0x67/0xa0
[  568.912038][ T7736]  ? __rtnl_newlink+0x1930/0x1930
[  568.917071][ T7736]  rtnetlink_rcv_msg+0x3c7/0xe00
[  568.922110][ T7736]  ? rtnl_getlink+0xb40/0xb40
[  568.926971][ T7736]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  568.933144][ T7736]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  568.940140][ T7736]  ? __lock_acquire+0xc97/0x5dc0
[  568.945129][ T7736]  netlink_rcv_skb+0x16b/0x440
[  568.950026][ T7736]  ? rtnl_getlink+0xb40/0xb40
[  568.954831][ T7736]  ? netlink_ack+0x1370/0x1370
[  568.959612][ T7736]  ? lock_sync+0x180/0x180
[  568.964061][ T7736]  ? netlink_deliver_tap+0x1a0/0xd00
[  568.969530][ T7736]  ? _copy_from_iter+0x2c1/0x10f0
[  568.974660][ T7736]  netlink_unicast+0x53b/0x810
[  568.979641][ T7736]  ? netlink_attachskb+0x870/0x870
[  568.984783][ T7736]  ? __phys_addr_symbol+0x30/0x70
[  568.990114][ T7736]  ? __check_object_size+0x322/0x730
[  568.995514][ T7736]  netlink_sendmsg+0x939/0xe40
[  569.000303][ T7736]  ? netlink_unicast+0x810/0x810
[  569.005433][ T7736]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  569.011858][ T7736]  ? netlink_unicast+0x810/0x810
[  569.016809][ T7736]  __sock_sendmsg+0xd5/0x180
[  569.021692][ T7736]  ____sys_sendmsg+0x6ac/0x940
[  569.026464][ T7736]  ? copy_msghdr_from_user+0x10b/0x160
[  569.031939][ T7736]  ? kernel_sendmsg+0x50/0x50
[  569.036712][ T7736]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  569.042725][ T7736]  ___sys_sendmsg+0x135/0x1d0
[  569.047509][ T7736]  ? do_recvmmsg+0x740/0x740
[  569.052286][ T7736]  ? find_held_lock+0x2d/0x110
[  569.057165][ T7736]  ? preempt_count_sub+0x150/0x150
[  569.062298][ T7736]  ? __fget_light+0x1fa/0x260
[  569.067121][ T7736]  __sys_sendmsg+0x117/0x1e0
[  569.071871][ T7736]  ? __sys_sendmsg_sock+0x30/0x30
[  569.077020][ T7736]  ? syscall_enter_from_user_mode+0x26/0x80
[  569.083191][ T7736]  do_syscall_64+0x3f/0x110
[  569.087707][ T7736]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  569.093795][ T7736] RIP: 0033:0x7fa730b27eb9
[  569.098219][ T7736] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  569.118210][ T7736] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  569.126726][ T7736] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  569.135307][ T7736] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  569.143376][ T7736] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  569.151552][ T7736] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  569.159704][ T7736] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  569.168392][ T7736]  </TASK>
[  569.174976][ T7736] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  569.214621][ T7736] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  569.223921][ T7736] CPU: 1 PID: 7736 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  569.235590][ T7736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  569.246099][ T7736] Call Trace:
[  569.249535][ T7736]  <TASK>
[  569.252483][ T7736]  dump_stack_lvl+0x125/0x1b0
[  569.257196][ T7736]  sysfs_warn_dup+0x7f/0xa0
[  569.261807][ T7736]  sysfs_create_dir_ns+0x247/0x2a0
[  569.267035][ T7736]  ? sysfs_create_mount_point+0xb0/0xb0
[  569.272704][ T7736]  ? spin_bug+0x1c0/0x1c0
[  569.277074][ T7736]  ? net_namespace+0x12/0x40
[  569.281684][ T7736]  ? device_namespace+0x8d/0xc0
[  569.286587][ T7736]  kobject_add_internal+0x2c8/0x960
[  569.291913][ T7736]  kobject_add+0x16f/0x240
[  569.296399][ T7736]  ? kset_create_and_add+0x190/0x190
[  569.301810][ T7736]  ? do_raw_spin_unlock+0x172/0x230
[  569.307128][ T7736]  ? kobject_put+0xbe/0x440
[  569.311752][ T7736]  ? device_add+0xc35/0x1aa0
[  569.316372][ T7736]  device_add+0x289/0x1aa0
[  569.320831][ T7736]  ? device_initialize+0x510/0x510
[  569.326141][ T7736]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  569.332245][ T7736]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  569.339414][ T7736]  ? __init_waitqueue_head+0xca/0x150
[  569.344825][ T7736]  netdev_register_kobject+0x183/0x3f0
[  569.350319][ T7736]  register_netdevice+0xbdf/0x14a0
[  569.355815][ T7736]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  569.361824][ T7736]  ? validate_linkmsg+0x6fc/0x9c0
[  569.366978][ T7736]  ? rtnl_create_link+0xa6d/0xfd0
[  569.372137][ T7736]  ? batadv_get_sset_count+0x40/0x40
[  569.377454][ T7736]  batadv_softif_newlink+0x70/0x90
[  569.382685][ T7736]  __rtnl_newlink+0x1173/0x1930
[  569.387669][ T7736]  ? rtnl_link_unregister+0x260/0x260
[  569.393295][ T7736]  rtnl_newlink+0x67/0xa0
[  569.398184][ T7736]  ? __rtnl_newlink+0x1930/0x1930
[  569.403320][ T7736]  rtnetlink_rcv_msg+0x3c7/0xe00
[  569.408541][ T7736]  ? rtnl_getlink+0xb40/0xb40
[  569.413240][ T7736]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  569.419433][ T7736]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  569.425448][ T7736]  ? __lock_acquire+0xc97/0x5dc0
[  569.430787][ T7736]  netlink_rcv_skb+0x16b/0x440
[  569.435586][ T7736]  ? rtnl_getlink+0xb40/0xb40
[  569.440414][ T7736]  ? netlink_ack+0x1370/0x1370
[  569.445642][ T7736]  ? lock_sync+0x180/0x180
[  569.450283][ T7736]  ? netlink_deliver_tap+0x1a0/0xd00
[  569.455886][ T7736]  ? _copy_from_iter+0x2c1/0x10f0
[  569.460996][ T7736]  netlink_unicast+0x53b/0x810
[  569.465992][ T7736]  ? netlink_attachskb+0x870/0x870
[  569.471153][ T7736]  ? __phys_addr_symbol+0x30/0x70
[  569.476392][ T7736]  ? __check_object_size+0x322/0x730
[  569.481702][ T7736]  netlink_sendmsg+0x939/0xe40
[  569.486606][ T7736]  ? netlink_unicast+0x810/0x810
[  569.491695][ T7736]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  569.497106][ T7736]  ? netlink_unicast+0x810/0x810
[  569.502080][ T7736]  __sock_sendmsg+0xd5/0x180
[  569.507047][ T7736]  ____sys_sendmsg+0x6ac/0x940
[  569.511839][ T7736]  ? copy_msghdr_from_user+0x10b/0x160
[  569.517332][ T7736]  ? kernel_sendmsg+0x50/0x50
[  569.522208][ T7736]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  569.528235][ T7736]  ___sys_sendmsg+0x135/0x1d0
[  569.532946][ T7736]  ? do_recvmmsg+0x740/0x740
[  569.537566][ T7736]  ? find_held_lock+0x2d/0x110
[  569.542559][ T7736]  ? preempt_count_sub+0x150/0x150
[  569.547972][ T7736]  ? __fget_light+0x1fa/0x260
[  569.552693][ T7736]  __sys_sendmsg+0x117/0x1e0
[  569.557484][ T7736]  ? __sys_sendmsg_sock+0x30/0x30
[  569.562618][ T7736]  ? syscall_enter_from_user_mode+0x26/0x80
[  569.568545][ T7736]  do_syscall_64+0x3f/0x110
[  569.573171][ T7736]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  569.579096][ T7736] RIP: 0033:0x7fa730b27eb9
[  569.583718][ T7736] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  569.603481][ T7736] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  569.611934][ T7736] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  569.620110][ T7736] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  569.628192][ T7736] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  569.636278][ T7736] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  569.644276][ T7736] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  569.652297][ T7736]  </TASK>
[  569.662222][ T7736] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  569.763964][ T7737] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  569.775743][ T7737] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  569.785826][ T7737] CPU: 0 PID: 7737 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  569.797237][ T7737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  569.807844][ T7737] Call Trace:
[  569.811232][ T7737]  <TASK>
[  569.814176][ T7737]  dump_stack_lvl+0x125/0x1b0
[  569.818894][ T7737]  sysfs_warn_dup+0x7f/0xa0
[  569.823422][ T7737]  sysfs_create_dir_ns+0x247/0x2a0
[  569.828655][ T7737]  ? sysfs_create_mount_point+0xb0/0xb0
[  569.834313][ T7737]  ? spin_bug+0x1c0/0x1c0
[  569.838767][ T7737]  ? net_namespace+0x12/0x40
[  569.843472][ T7737]  ? device_namespace+0x8d/0xc0
[  569.848374][ T7737]  kobject_add_internal+0x2c8/0x960
[  569.854669][ T7737]  kobject_add+0x16f/0x240
[  569.859163][ T7737]  ? kset_create_and_add+0x190/0x190
[  569.864595][ T7737]  ? do_raw_spin_unlock+0x172/0x230
[  569.870034][ T7737]  ? kobject_put+0xbe/0x440
[  569.874594][ T7737]  ? device_add+0xc35/0x1aa0
[  569.879208][ T7737]  device_add+0x289/0x1aa0
[  569.883830][ T7737]  ? device_initialize+0x510/0x510
[  569.889122][ T7737]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  569.894961][ T7737]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  569.902007][ T7737]  ? __init_waitqueue_head+0xca/0x150
[  569.907403][ T7737]  netdev_register_kobject+0x183/0x3f0
[  569.912971][ T7737]  register_netdevice+0xbdf/0x14a0
[  569.918098][ T7737]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  569.924281][ T7737]  ? team_nl_cmd_noop+0x280/0x280
[  569.929786][ T7737]  team_newlink+0x92/0x160
[  569.934403][ T7737]  ? team_nl_cmd_noop+0x280/0x280
[  569.939615][ T7737]  ? rtnl_create_link+0xa6d/0xfd0
[  569.944752][ T7737]  __rtnl_newlink+0x1173/0x1930
[  569.949633][ T7737]  ? rtnl_link_unregister+0x260/0x260
[  569.955339][ T7737]  rtnl_newlink+0x67/0xa0
[  569.959863][ T7737]  ? __rtnl_newlink+0x1930/0x1930
[  569.964931][ T7737]  rtnetlink_rcv_msg+0x3c7/0xe00
[  569.969902][ T7737]  ? rtnl_getlink+0xb40/0xb40
[  569.974701][ T7737]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  569.980716][ T7737]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  569.986714][ T7737]  ? __lock_acquire+0xc97/0x5dc0
[  569.991685][ T7737]  netlink_rcv_skb+0x16b/0x440
[  569.996568][ T7737]  ? rtnl_getlink+0xb40/0xb40
[  570.001518][ T7737]  ? netlink_ack+0x1370/0x1370
[  570.006370][ T7737]  ? lock_sync+0x180/0x180
[  570.010903][ T7737]  ? netlink_deliver_tap+0x1a0/0xd00
[  570.016372][ T7737]  ? _copy_from_iter+0x2c1/0x10f0
[  570.021506][ T7737]  netlink_unicast+0x53b/0x810
[  570.026292][ T7737]  ? netlink_attachskb+0x870/0x870
[  570.033588][ T7737]  ? __phys_addr_symbol+0x30/0x70
[  570.038710][ T7737]  ? __check_object_size+0x322/0x730
[  570.044100][ T7737]  netlink_sendmsg+0x939/0xe40
[  570.048891][ T7737]  ? netlink_unicast+0x810/0x810
[  570.053843][ T7737]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  570.059135][ T7737]  ? netlink_unicast+0x810/0x810
[  570.064353][ T7737]  __sock_sendmsg+0xd5/0x180
[  570.069037][ T7737]  ____sys_sendmsg+0x6ac/0x940
[  570.074611][ T7737]  ? copy_msghdr_from_user+0x10b/0x160
[  570.080198][ T7737]  ? kernel_sendmsg+0x50/0x50
[  570.084985][ T7737]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  570.091020][ T7737]  ___sys_sendmsg+0x135/0x1d0
[  570.095754][ T7737]  ? do_recvmmsg+0x740/0x740
[  570.100461][ T7737]  ? find_held_lock+0x2d/0x110
[  570.105462][ T7737]  ? preempt_count_sub+0x150/0x150
[  570.110707][ T7737]  ? __fget_light+0x1fa/0x260
[  570.115673][ T7737]  __sys_sendmsg+0x117/0x1e0
[  570.120460][ T7737]  ? __sys_sendmsg_sock+0x30/0x30
[  570.125697][ T7737]  ? syscall_enter_from_user_mode+0x26/0x80
[  570.131873][ T7737]  do_syscall_64+0x3f/0x110
[  570.136479][ T7737]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  570.142653][ T7737] RIP: 0033:0x7fa730b27eb9
[  570.147163][ T7737] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  570.167161][ T7737] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  570.175714][ T7737] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  570.184212][ T7737] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  570.192307][ T7737] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  570.200425][ T7737] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  570.208753][ T7737] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  570.216781][ T7737]  </TASK>
[  570.226454][ T7737] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  570.265805][ T7737] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  570.275188][ T7737] CPU: 0 PID: 7737 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  570.286523][ T7737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  570.296879][ T7737] Call Trace:
[  570.300363][ T7737]  <TASK>
[  570.303312][ T7737]  dump_stack_lvl+0x125/0x1b0
[  570.308548][ T7737]  sysfs_warn_dup+0x7f/0xa0
[  570.313078][ T7737]  sysfs_create_dir_ns+0x247/0x2a0
[  570.318211][ T7737]  ? sysfs_create_mount_point+0xb0/0xb0
[  570.323787][ T7737]  ? spin_bug+0x1c0/0x1c0
[  570.328248][ T7737]  ? net_namespace+0x12/0x40
[  570.332956][ T7737]  ? device_namespace+0x8d/0xc0
[  570.337931][ T7737]  kobject_add_internal+0x2c8/0x960
[  570.343348][ T7737]  kobject_add+0x16f/0x240
[  570.347813][ T7737]  ? kset_create_and_add+0x190/0x190
[  570.353138][ T7737]  ? do_raw_spin_unlock+0x172/0x230
[  570.358380][ T7737]  ? kobject_put+0xbe/0x440
[  570.362930][ T7737]  ? device_add+0xc35/0x1aa0
[  570.367553][ T7737]  device_add+0x289/0x1aa0
[  570.372000][ T7737]  ? device_initialize+0x510/0x510
[  570.377136][ T7737]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  570.383091][ T7737]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  570.389984][ T7737]  ? __init_waitqueue_head+0xca/0x150
[  570.400874][ T7737]  netdev_register_kobject+0x183/0x3f0
[  570.406482][ T7737]  register_netdevice+0xbdf/0x14a0
[  570.411821][ T7737]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  570.417840][ T7737]  ? validate_linkmsg+0x6fc/0x9c0
[  570.423006][ T7737]  ? rtnl_create_link+0xa6d/0xfd0
[  570.428073][ T7737]  ? batadv_get_sset_count+0x40/0x40
[  570.433492][ T7737]  batadv_softif_newlink+0x70/0x90
[  570.438750][ T7737]  __rtnl_newlink+0x1173/0x1930
[  570.443674][ T7737]  ? rtnl_link_unregister+0x260/0x260
[  570.449322][ T7737]  rtnl_newlink+0x67/0xa0
[  570.453936][ T7737]  ? __rtnl_newlink+0x1930/0x1930
[  570.458985][ T7737]  rtnetlink_rcv_msg+0x3c7/0xe00
[  570.464043][ T7737]  ? rtnl_getlink+0xb40/0xb40
[  570.468751][ T7737]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  570.475054][ T7737]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  570.481609][ T7737]  ? __lock_acquire+0xc97/0x5dc0
[  570.486599][ T7737]  netlink_rcv_skb+0x16b/0x440
[  570.491484][ T7737]  ? rtnl_getlink+0xb40/0xb40
[  570.496270][ T7737]  ? netlink_ack+0x1370/0x1370
[  570.501066][ T7737]  ? lock_sync+0x180/0x180
[  570.505542][ T7737]  ? netlink_deliver_tap+0x1a0/0xd00
[  570.510867][ T7737]  ? _copy_from_iter+0x2c1/0x10f0
[  570.515939][ T7737]  netlink_unicast+0x53b/0x810
[  570.520746][ T7737]  ? netlink_attachskb+0x870/0x870
[  570.525975][ T7737]  ? __phys_addr_symbol+0x30/0x70
[  570.531209][ T7737]  ? __check_object_size+0x322/0x730
[  570.536701][ T7737]  netlink_sendmsg+0x939/0xe40
[  570.541602][ T7737]  ? netlink_unicast+0x810/0x810
[  570.546573][ T7737]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  570.551972][ T7737]  ? netlink_unicast+0x810/0x810
[  570.557035][ T7737]  __sock_sendmsg+0xd5/0x180
[  570.561650][ T7737]  ____sys_sendmsg+0x6ac/0x940
[  570.566438][ T7737]  ? copy_msghdr_from_user+0x10b/0x160
[  570.571921][ T7737]  ? kernel_sendmsg+0x50/0x50
[  570.576888][ T7737]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  570.582999][ T7737]  ___sys_sendmsg+0x135/0x1d0
[  570.587713][ T7737]  ? do_recvmmsg+0x740/0x740
[  570.592329][ T7737]  ? find_held_lock+0x2d/0x110
[  570.597231][ T7737]  ? preempt_count_sub+0x150/0x150
[  570.602395][ T7737]  ? __fget_light+0x1fa/0x260
[  570.607290][ T7737]  __sys_sendmsg+0x117/0x1e0
[  570.611996][ T7737]  ? __sys_sendmsg_sock+0x30/0x30
[  570.617226][ T7737]  ? syscall_enter_from_user_mode+0x26/0x80
[  570.623150][ T7737]  do_syscall_64+0x3f/0x110
[  570.627771][ T7737]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  570.634038][ T7737] RIP: 0033:0x7fa730b27eb9
[  570.638647][ T7737] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  570.658543][ T7737] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  570.667009][ T7737] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  570.675264][ T7737] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  570.683430][ T7737] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  570.691687][ T7737] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  570.699778][ T7737] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  570.707802][ T7737]  </TASK>
[  570.714549][ T7737] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  570.803980][ T7738] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  570.815553][ T7738] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  570.825332][ T7738] CPU: 0 PID: 7738 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  570.836823][ T7738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  570.846988][ T7738] Call Trace:
[  570.850291][ T7738]  <TASK>
[  570.853248][ T7738]  dump_stack_lvl+0x125/0x1b0
[  570.858043][ T7738]  sysfs_warn_dup+0x7f/0xa0
[  570.862998][ T7738]  sysfs_create_dir_ns+0x247/0x2a0
[  570.868133][ T7738]  ? sysfs_create_mount_point+0xb0/0xb0
[  570.873791][ T7738]  ? spin_bug+0x1c0/0x1c0
[  570.878240][ T7738]  ? net_namespace+0x12/0x40
[  570.882926][ T7738]  ? device_namespace+0x8d/0xc0
[  570.887900][ T7738]  kobject_add_internal+0x2c8/0x960
[  570.893131][ T7738]  kobject_add+0x16f/0x240
[  570.897826][ T7738]  ? kset_create_and_add+0x190/0x190
[  570.903231][ T7738]  ? do_raw_spin_unlock+0x172/0x230
[  570.908442][ T7738]  ? kobject_put+0xbe/0x440
[  570.913049][ T7738]  ? device_add+0xc35/0x1aa0
[  570.917654][ T7738]  device_add+0x289/0x1aa0
[  570.922253][ T7738]  ? device_initialize+0x510/0x510
[  570.927651][ T7738]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  570.933576][ T7738]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  570.940532][ T7738]  ? __init_waitqueue_head+0xca/0x150
[  570.945958][ T7738]  netdev_register_kobject+0x183/0x3f0
[  570.951434][ T7738]  register_netdevice+0xbdf/0x14a0
[  570.956836][ T7738]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  570.962746][ T7738]  ? team_nl_cmd_noop+0x280/0x280
[  570.967958][ T7738]  team_newlink+0x92/0x160
[  570.972660][ T7738]  ? team_nl_cmd_noop+0x280/0x280
[  570.977708][ T7738]  ? rtnl_create_link+0xa6d/0xfd0
[  570.982844][ T7738]  __rtnl_newlink+0x1173/0x1930
[  570.987919][ T7738]  ? rtnl_link_unregister+0x260/0x260
[  570.993443][ T7738]  rtnl_newlink+0x67/0xa0
[  570.997887][ T7738]  ? __rtnl_newlink+0x1930/0x1930
[  571.003107][ T7738]  rtnetlink_rcv_msg+0x3c7/0xe00
[  571.008180][ T7738]  ? rtnl_getlink+0xb40/0xb40
[  571.012866][ T7738]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  571.018864][ T7738]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  571.025205][ T7738]  ? __lock_acquire+0xc97/0x5dc0
[  571.030339][ T7738]  netlink_rcv_skb+0x16b/0x440
[  571.035304][ T7738]  ? rtnl_getlink+0xb40/0xb40
[  571.040770][ T7738]  ? netlink_ack+0x1370/0x1370
[  571.045630][ T7738]  ? lock_sync+0x180/0x180
[  571.050167][ T7738]  ? netlink_deliver_tap+0x1a0/0xd00
[  571.055918][ T7738]  ? _copy_from_iter+0x2c1/0x10f0
[  571.061163][ T7738]  netlink_unicast+0x53b/0x810
[  571.065950][ T7738]  ? netlink_attachskb+0x870/0x870
[  571.071272][ T7738]  ? __phys_addr_symbol+0x30/0x70
[  571.076411][ T7738]  ? __check_object_size+0x322/0x730
[  571.081817][ T7738]  netlink_sendmsg+0x939/0xe40
[  571.086780][ T7738]  ? netlink_unicast+0x810/0x810
[  571.091734][ T7738]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  571.097029][ T7738]  ? netlink_unicast+0x810/0x810
[  571.102150][ T7738]  __sock_sendmsg+0xd5/0x180
[  571.106748][ T7738]  ____sys_sendmsg+0x6ac/0x940
[  571.111540][ T7738]  ? copy_msghdr_from_user+0x10b/0x160
[  571.117045][ T7738]  ? kernel_sendmsg+0x50/0x50
[  571.121760][ T7738]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  571.128103][ T7738]  ___sys_sendmsg+0x135/0x1d0
[  571.133240][ T7738]  ? do_recvmmsg+0x740/0x740
[  571.138029][ T7738]  ? find_held_lock+0x2d/0x110
[  571.142934][ T7738]  ? preempt_count_sub+0x150/0x150
[  571.148284][ T7738]  ? __fget_light+0x1fa/0x260
[  571.153185][ T7738]  __sys_sendmsg+0x117/0x1e0
[  571.158215][ T7738]  ? __sys_sendmsg_sock+0x30/0x30
[  571.163914][ T7738]  ? syscall_enter_from_user_mode+0x26/0x80
[  571.171399][ T7738]  do_syscall_64+0x3f/0x110
[  571.175929][ T7738]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  571.181837][ T7738] RIP: 0033:0x7fa730b27eb9
[  571.186257][ T7738] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  571.205873][ T7738] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  571.214736][ T7738] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  571.223061][ T7738] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  571.231121][ T7738] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  571.239181][ T7738] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  571.247505][ T7738] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  571.255857][ T7738]  </TASK>
[  571.261740][ T7738] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  571.301448][ T7738] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  571.310855][ T7738] CPU: 0 PID: 7738 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  571.322167][ T7738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  571.332604][ T7738] Call Trace:
[  571.336079][ T7738]  <TASK>
[  571.339204][ T7738]  dump_stack_lvl+0x125/0x1b0
[  571.344130][ T7738]  sysfs_warn_dup+0x7f/0xa0
[  571.348682][ T7738]  sysfs_create_dir_ns+0x247/0x2a0
[  571.353986][ T7738]  ? sysfs_create_mount_point+0xb0/0xb0
[  571.359648][ T7738]  ? spin_bug+0x1c0/0x1c0
[  571.364101][ T7738]  ? net_namespace+0x12/0x40
[  571.368805][ T7738]  ? device_namespace+0x8d/0xc0
[  571.373691][ T7738]  kobject_add_internal+0x2c8/0x960
[  571.378927][ T7738]  kobject_add+0x16f/0x240
[  571.383471][ T7738]  ? kset_create_and_add+0x190/0x190
[  571.388882][ T7738]  ? do_raw_spin_unlock+0x172/0x230
[  571.394605][ T7738]  ? kobject_put+0xbe/0x440
[  571.399155][ T7738]  ? device_add+0xc35/0x1aa0
[  571.403874][ T7738]  device_add+0x289/0x1aa0
[  571.408319][ T7738]  ? device_initialize+0x510/0x510
[  571.413555][ T7738]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  571.419584][ T7738]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  571.426840][ T7738]  ? __init_waitqueue_head+0xca/0x150
[  571.432536][ T7738]  netdev_register_kobject+0x183/0x3f0
[  571.438137][ T7738]  register_netdevice+0xbdf/0x14a0
[  571.443550][ T7738]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  571.449473][ T7738]  ? validate_linkmsg+0x6fc/0x9c0
[  571.454588][ T7738]  ? rtnl_create_link+0xa6d/0xfd0
[  571.459763][ T7738]  ? batadv_get_sset_count+0x40/0x40
[  571.465172][ T7738]  batadv_softif_newlink+0x70/0x90
[  571.470405][ T7738]  __rtnl_newlink+0x1173/0x1930
[  571.475317][ T7738]  ? rtnl_link_unregister+0x260/0x260
[  571.480767][ T7738]  rtnl_newlink+0x67/0xa0
[  571.485220][ T7738]  ? __rtnl_newlink+0x1930/0x1930
[  571.490388][ T7738]  rtnetlink_rcv_msg+0x3c7/0xe00
[  571.495443][ T7738]  ? rtnl_getlink+0xb40/0xb40
[  571.500251][ T7738]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  571.506482][ T7738]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  571.512865][ T7738]  ? __lock_acquire+0xc97/0x5dc0
[  571.517851][ T7738]  netlink_rcv_skb+0x16b/0x440
[  571.522745][ T7738]  ? rtnl_getlink+0xb40/0xb40
[  571.527546][ T7738]  ? netlink_ack+0x1370/0x1370
[  571.532553][ T7738]  ? lock_sync+0x180/0x180
[  571.537475][ T7738]  ? netlink_deliver_tap+0x1a0/0xd00
[  571.542801][ T7738]  ? _copy_from_iter+0x2c1/0x10f0
[  571.547978][ T7738]  netlink_unicast+0x53b/0x810
[  571.552797][ T7738]  ? netlink_attachskb+0x870/0x870
[  571.558291][ T7738]  ? __phys_addr_symbol+0x30/0x70
[  571.563437][ T7738]  ? __check_object_size+0x322/0x730
[  571.568851][ T7738]  netlink_sendmsg+0x939/0xe40
[  571.573671][ T7738]  ? netlink_unicast+0x810/0x810
[  571.578649][ T7738]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  571.584150][ T7738]  ? netlink_unicast+0x810/0x810
[  571.589124][ T7738]  __sock_sendmsg+0xd5/0x180
[  571.593757][ T7738]  ____sys_sendmsg+0x6ac/0x940
[  571.598564][ T7738]  ? copy_msghdr_from_user+0x10b/0x160
[  571.604155][ T7738]  ? kernel_sendmsg+0x50/0x50
[  571.609046][ T7738]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  571.615257][ T7738]  ___sys_sendmsg+0x135/0x1d0
[  571.620144][ T7738]  ? do_recvmmsg+0x740/0x740
[  571.625038][ T7738]  ? find_held_lock+0x2d/0x110
[  571.629939][ T7738]  ? preempt_count_sub+0x150/0x150
[  571.635097][ T7738]  ? __fget_light+0x1fa/0x260
[  571.639815][ T7738]  __sys_sendmsg+0x117/0x1e0
[  571.644524][ T7738]  ? __sys_sendmsg_sock+0x30/0x30
[  571.649604][ T7738]  ? syscall_enter_from_user_mode+0x26/0x80
[  571.655617][ T7738]  do_syscall_64+0x3f/0x110
[  571.660339][ T7738]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  571.666441][ T7738] RIP: 0033:0x7fa730b27eb9
[  571.670975][ T7738] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  571.691337][ T7738] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  571.699888][ T7738] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  571.708341][ T7738] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  571.716644][ T7738] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  571.724822][ T7738] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  571.732999][ T7738] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  571.741106][ T7738]  </TASK>
[  571.745882][ T7738] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  571.841830][ T7739] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  571.854917][ T7739] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  571.864488][ T7739] CPU: 1 PID: 7739 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  571.876353][ T7739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  571.887396][ T7739] Call Trace:
[  571.890781][ T7739]  <TASK>
[  571.893730][ T7739]  dump_stack_lvl+0x125/0x1b0
[  571.898713][ T7739]  sysfs_warn_dup+0x7f/0xa0
[  571.903592][ T7739]  sysfs_create_dir_ns+0x247/0x2a0
[  571.908814][ T7739]  ? sysfs_create_mount_point+0xb0/0xb0
[  571.914386][ T7739]  ? spin_bug+0x1c0/0x1c0
[  571.918837][ T7739]  ? net_namespace+0x12/0x40
[  571.923633][ T7739]  ? device_namespace+0x8d/0xc0
[  571.928526][ T7739]  kobject_add_internal+0x2c8/0x960
[  571.934479][ T7739]  kobject_add+0x16f/0x240
[  571.938929][ T7739]  ? kset_create_and_add+0x190/0x190
[  571.944264][ T7739]  ? do_raw_spin_unlock+0x172/0x230
[  571.949502][ T7739]  ? kobject_put+0xbe/0x440
[  571.954043][ T7739]  ? device_add+0xc35/0x1aa0
[  571.958689][ T7739]  device_add+0x289/0x1aa0
[  571.963251][ T7739]  ? device_initialize+0x510/0x510
[  571.968473][ T7739]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  571.974307][ T7739]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  571.981291][ T7739]  ? __init_waitqueue_head+0xca/0x150
[  571.986818][ T7739]  netdev_register_kobject+0x183/0x3f0
[  571.994527][ T7739]  register_netdevice+0xbdf/0x14a0
[  571.999827][ T7739]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  572.006209][ T7739]  ? team_nl_cmd_noop+0x280/0x280
[  572.011510][ T7739]  team_newlink+0x92/0x160
[  572.016148][ T7739]  ? team_nl_cmd_noop+0x280/0x280
[  572.021360][ T7739]  ? rtnl_create_link+0xa6d/0xfd0
[  572.026628][ T7739]  __rtnl_newlink+0x1173/0x1930
[  572.031801][ T7739]  ? rtnl_link_unregister+0x260/0x260
[  572.037441][ T7739]  rtnl_newlink+0x67/0xa0
[  572.041916][ T7739]  ? __rtnl_newlink+0x1930/0x1930
[  572.047072][ T7739]  rtnetlink_rcv_msg+0x3c7/0xe00
[  572.052056][ T7739]  ? rtnl_getlink+0xb40/0xb40
[  572.056854][ T7739]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  572.062881][ T7739]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  572.068954][ T7739]  ? __lock_acquire+0xc97/0x5dc0
[  572.074314][ T7739]  netlink_rcv_skb+0x16b/0x440
[  572.079118][ T7739]  ? rtnl_getlink+0xb40/0xb40
[  572.083833][ T7739]  ? netlink_ack+0x1370/0x1370
[  572.088689][ T7739]  ? lock_sync+0x180/0x180
[  572.093239][ T7739]  ? netlink_deliver_tap+0x1a0/0xd00
[  572.098618][ T7739]  ? _copy_from_iter+0x2c1/0x10f0
[  572.104114][ T7739]  netlink_unicast+0x53b/0x810
[  572.108916][ T7739]  ? netlink_attachskb+0x870/0x870
[  572.114065][ T7739]  ? __phys_addr_symbol+0x30/0x70
[  572.119111][ T7739]  ? __check_object_size+0x322/0x730
[  572.124422][ T7739]  netlink_sendmsg+0x939/0xe40
[  572.129221][ T7739]  ? netlink_unicast+0x810/0x810
[  572.134278][ T7739]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  572.139846][ T7739]  ? netlink_unicast+0x810/0x810
[  572.144914][ T7739]  __sock_sendmsg+0xd5/0x180
[  572.149616][ T7739]  ____sys_sendmsg+0x6ac/0x940
[  572.154649][ T7739]  ? copy_msghdr_from_user+0x10b/0x160
[  572.160219][ T7739]  ? kernel_sendmsg+0x50/0x50
[  572.164923][ T7739]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  572.170975][ T7739]  ___sys_sendmsg+0x135/0x1d0
[  572.175963][ T7739]  ? do_recvmmsg+0x740/0x740
[  572.181376][ T7739]  ? find_held_lock+0x2d/0x110
[  572.186299][ T7739]  ? preempt_count_sub+0x150/0x150
[  572.191455][ T7739]  ? __fget_light+0x1fa/0x260
[  572.196784][ T7739]  __sys_sendmsg+0x117/0x1e0
[  572.201559][ T7739]  ? __sys_sendmsg_sock+0x30/0x30
[  572.206909][ T7739]  ? syscall_enter_from_user_mode+0x26/0x80
[  572.212947][ T7739]  do_syscall_64+0x3f/0x110
[  572.218052][ T7739]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  572.224170][ T7739] RIP: 0033:0x7fa730b27eb9
[  572.228704][ T7739] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  572.250002][ T7739] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  572.258578][ T7739] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  572.266742][ T7739] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  572.274914][ T7739] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  572.283081][ T7739] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  572.291159][ T7739] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  572.299171][ T7739]  </TASK>
[  572.316369][ T7739] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  572.344648][ T7739] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  572.353854][ T7739] CPU: 0 PID: 7739 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  572.365338][ T7739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  572.375553][ T7739] Call Trace:
[  572.378849][ T7739]  <TASK>
[  572.381793][ T7739]  dump_stack_lvl+0x125/0x1b0
[  572.386507][ T7739]  sysfs_warn_dup+0x7f/0xa0
[  572.391216][ T7739]  sysfs_create_dir_ns+0x247/0x2a0
[  572.396351][ T7739]  ? sysfs_create_mount_point+0xb0/0xb0
[  572.402029][ T7739]  ? spin_bug+0x1c0/0x1c0
[  572.406660][ T7739]  ? net_namespace+0x12/0x40
[  572.411763][ T7739]  ? device_namespace+0x8d/0xc0
[  572.416834][ T7739]  kobject_add_internal+0x2c8/0x960
[  572.422191][ T7739]  kobject_add+0x16f/0x240
[  572.426648][ T7739]  ? kset_create_and_add+0x190/0x190
[  572.431971][ T7739]  ? do_raw_spin_unlock+0x172/0x230
[  572.437211][ T7739]  ? kobject_put+0xbe/0x440
[  572.441934][ T7739]  ? device_add+0xc35/0x1aa0
[  572.446563][ T7739]  device_add+0x289/0x1aa0
[  572.451099][ T7739]  ? device_initialize+0x510/0x510
[  572.456439][ T7739]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  572.462366][ T7739]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  572.469249][ T7739]  ? __init_waitqueue_head+0xca/0x150
[  572.474662][ T7739]  netdev_register_kobject+0x183/0x3f0
[  572.480261][ T7739]  register_netdevice+0xbdf/0x14a0
[  572.485515][ T7739]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  572.492225][ T7739]  ? validate_linkmsg+0x6fc/0x9c0
[  572.497377][ T7739]  ? rtnl_create_link+0xa6d/0xfd0
[  572.502533][ T7739]  ? batadv_get_sset_count+0x40/0x40
[  572.508205][ T7739]  batadv_softif_newlink+0x70/0x90
[  572.513450][ T7739]  __rtnl_newlink+0x1173/0x1930
[  572.518433][ T7739]  ? rtnl_link_unregister+0x260/0x260
[  572.524063][ T7739]  rtnl_newlink+0x67/0xa0
[  572.528527][ T7739]  ? __rtnl_newlink+0x1930/0x1930
[  572.533599][ T7739]  rtnetlink_rcv_msg+0x3c7/0xe00
[  572.538628][ T7739]  ? rtnl_getlink+0xb40/0xb40
[  572.543607][ T7739]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  572.549810][ T7739]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  572.556022][ T7739]  ? __lock_acquire+0xc97/0x5dc0
[  572.561005][ T7739]  netlink_rcv_skb+0x16b/0x440
[  572.566169][ T7739]  ? rtnl_getlink+0xb40/0xb40
[  572.570970][ T7739]  ? netlink_ack+0x1370/0x1370
[  572.575767][ T7739]  ? lock_sync+0x180/0x180
[  572.580236][ T7739]  ? netlink_deliver_tap+0x1a0/0xd00
[  572.585557][ T7739]  ? _copy_from_iter+0x2c1/0x10f0
[  572.590712][ T7739]  netlink_unicast+0x53b/0x810
[  572.595689][ T7739]  ? netlink_attachskb+0x870/0x870
[  572.600915][ T7739]  ? __phys_addr_symbol+0x30/0x70
[  572.606229][ T7739]  ? __check_object_size+0x322/0x730
[  572.611550][ T7739]  netlink_sendmsg+0x939/0xe40
[  572.616350][ T7739]  ? netlink_unicast+0x810/0x810
[  572.621321][ T7739]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  572.626648][ T7739]  ? netlink_unicast+0x810/0x810
[  572.631715][ T7739]  __sock_sendmsg+0xd5/0x180
[  572.636361][ T7739]  ____sys_sendmsg+0x6ac/0x940
[  572.641161][ T7739]  ? copy_msghdr_from_user+0x10b/0x160
[  572.646652][ T7739]  ? kernel_sendmsg+0x50/0x50
[  572.651543][ T7739]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  572.657691][ T7739]  ___sys_sendmsg+0x135/0x1d0
[  572.662416][ T7739]  ? do_recvmmsg+0x740/0x740
[  572.667304][ T7739]  ? find_held_lock+0x2d/0x110
[  572.672298][ T7739]  ? preempt_count_sub+0x150/0x150
[  572.677503][ T7739]  ? __fget_light+0x1fa/0x260
[  572.682601][ T7739]  __sys_sendmsg+0x117/0x1e0
[  572.687247][ T7739]  ? __sys_sendmsg_sock+0x30/0x30
[  572.692329][ T7739]  ? syscall_enter_from_user_mode+0x26/0x80
[  572.698269][ T7739]  do_syscall_64+0x3f/0x110
[  572.702827][ T7739]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  572.708923][ T7739] RIP: 0033:0x7fa730b27eb9
[  572.713361][ T7739] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  572.733439][ T7739] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  572.741988][ T7739] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  572.750168][ T7739] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  572.758613][ T7739] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  572.766608][ T7739] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  572.774693][ T7739] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  572.782900][ T7739]  </TASK>
[  572.787030][ T7739] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  572.868724][ T7740] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  572.885842][ T7740] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  572.896541][ T7740] CPU: 1 PID: 7740 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  572.908572][ T7740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  572.920200][ T7740] Call Trace:
[  572.923934][ T7740]  <TASK>
[  572.926885][ T7740]  dump_stack_lvl+0x125/0x1b0
[  572.931690][ T7740]  sysfs_warn_dup+0x7f/0xa0
[  572.936224][ T7740]  sysfs_create_dir_ns+0x247/0x2a0
[  572.941353][ T7740]  ? sysfs_create_mount_point+0xb0/0xb0
[  572.947092][ T7740]  ? spin_bug+0x1c0/0x1c0
[  572.951460][ T7740]  ? net_namespace+0x12/0x40
[  572.956174][ T7740]  ? device_namespace+0x8d/0xc0
[  572.961248][ T7740]  kobject_add_internal+0x2c8/0x960
[  572.966961][ T7740]  kobject_add+0x16f/0x240
[  572.971690][ T7740]  ? kset_create_and_add+0x190/0x190
[  572.977116][ T7740]  ? do_raw_spin_unlock+0x172/0x230
[  572.982923][ T7740]  ? kobject_put+0xbe/0x440
[  572.988168][ T7740]  ? device_add+0xc35/0x1aa0
[  572.992967][ T7740]  device_add+0x289/0x1aa0
[  572.997517][ T7740]  ? device_initialize+0x510/0x510
[  573.002669][ T7740]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  573.008516][ T7740]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  573.015499][ T7740]  ? __init_waitqueue_head+0xca/0x150
[  573.021014][ T7740]  netdev_register_kobject+0x183/0x3f0
[  573.026693][ T7740]  register_netdevice+0xbdf/0x14a0
[  573.032119][ T7740]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  573.038333][ T7740]  ? team_nl_cmd_noop+0x280/0x280
[  573.043410][ T7740]  team_newlink+0x92/0x160
[  573.048046][ T7740]  ? team_nl_cmd_noop+0x280/0x280
[  573.053121][ T7740]  ? rtnl_create_link+0xa6d/0xfd0
[  573.058541][ T7740]  __rtnl_newlink+0x1173/0x1930
[  573.063435][ T7740]  ? rtnl_link_unregister+0x260/0x260
[  573.068867][ T7740]  rtnl_newlink+0x67/0xa0
[  573.073329][ T7740]  ? __rtnl_newlink+0x1930/0x1930
[  573.078832][ T7740]  rtnetlink_rcv_msg+0x3c7/0xe00
[  573.084061][ T7740]  ? rtnl_getlink+0xb40/0xb40
[  573.088764][ T7740]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  573.094788][ T7740]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  573.100906][ T7740]  ? __lock_acquire+0xc97/0x5dc0
[  573.105908][ T7740]  netlink_rcv_skb+0x16b/0x440
[  573.110724][ T7740]  ? rtnl_getlink+0xb40/0xb40
[  573.115526][ T7740]  ? netlink_ack+0x1370/0x1370
[  573.120326][ T7740]  ? lock_sync+0x180/0x180
[  573.124894][ T7740]  ? netlink_deliver_tap+0x1a0/0xd00
[  573.130477][ T7740]  ? _copy_from_iter+0x2c1/0x10f0
[  573.135718][ T7740]  netlink_unicast+0x53b/0x810
[  573.140754][ T7740]  ? netlink_attachskb+0x870/0x870
[  573.146078][ T7740]  ? __phys_addr_symbol+0x30/0x70
[  573.151240][ T7740]  ? __check_object_size+0x322/0x730
[  573.156644][ T7740]  netlink_sendmsg+0x939/0xe40
[  573.161573][ T7740]  ? netlink_unicast+0x810/0x810
[  573.166542][ T7740]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  573.171844][ T7740]  ? netlink_unicast+0x810/0x810
[  573.176988][ T7740]  __sock_sendmsg+0xd5/0x180
[  573.181780][ T7740]  ____sys_sendmsg+0x6ac/0x940
[  573.186813][ T7740]  ? copy_msghdr_from_user+0x10b/0x160
[  573.192361][ T7740]  ? kernel_sendmsg+0x50/0x50
[  573.197154][ T7740]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  573.203176][ T7740]  ___sys_sendmsg+0x135/0x1d0
[  573.207955][ T7740]  ? do_recvmmsg+0x740/0x740
[  573.212920][ T7740]  ? find_held_lock+0x2d/0x110
[  573.217900][ T7740]  ? preempt_count_sub+0x150/0x150
[  573.223323][ T7740]  ? __fget_light+0x1fa/0x260
[  573.228049][ T7740]  __sys_sendmsg+0x117/0x1e0
[  573.232682][ T7740]  ? __sys_sendmsg_sock+0x30/0x30
[  573.237751][ T7740]  ? syscall_enter_from_user_mode+0x26/0x80
[  573.243940][ T7740]  do_syscall_64+0x3f/0x110
[  573.248559][ T7740]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  573.254567][ T7740] RIP: 0033:0x7fa730b27eb9
[  573.259184][ T7740] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  573.279047][ T7740] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  573.287518][ T7740] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  573.295864][ T7740] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  573.303952][ T7740] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  573.312136][ T7740] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  573.320220][ T7740] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  573.328228][ T7740]  </TASK>
[  573.338960][ T7740] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  573.367724][ T7740] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  573.377169][ T7740] CPU: 1 PID: 7740 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  573.388585][ T7740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  573.399106][ T7740] Call Trace:
[  573.402413][ T7740]  <TASK>
[  573.405458][ T7740]  dump_stack_lvl+0x125/0x1b0
[  573.410283][ T7740]  sysfs_warn_dup+0x7f/0xa0
[  573.414820][ T7740]  sysfs_create_dir_ns+0x247/0x2a0
[  573.419950][ T7740]  ? sysfs_create_mount_point+0xb0/0xb0
[  573.425524][ T7740]  ? spin_bug+0x1c0/0x1c0
[  573.429982][ T7740]  ? net_namespace+0x12/0x40
[  573.434954][ T7740]  ? device_namespace+0x8d/0xc0
[  573.439935][ T7740]  kobject_add_internal+0x2c8/0x960
[  573.445360][ T7740]  kobject_add+0x16f/0x240
[  573.449895][ T7740]  ? kset_create_and_add+0x190/0x190
[  573.455310][ T7740]  ? do_raw_spin_unlock+0x172/0x230
[  573.460546][ T7740]  ? kobject_put+0xbe/0x440
[  573.465170][ T7740]  ? device_add+0xc35/0x1aa0
[  573.469875][ T7740]  device_add+0x289/0x1aa0
[  573.474327][ T7740]  ? device_initialize+0x510/0x510
[  573.479458][ T7740]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  573.485297][ T7740]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  573.492267][ T7740]  ? __init_waitqueue_head+0xca/0x150
[  573.497854][ T7740]  netdev_register_kobject+0x183/0x3f0
[  573.503615][ T7740]  register_netdevice+0xbdf/0x14a0
[  573.508937][ T7740]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  573.515031][ T7740]  ? validate_linkmsg+0x6fc/0x9c0
[  573.520178][ T7740]  ? rtnl_create_link+0xa6d/0xfd0
[  573.525262][ T7740]  ? batadv_get_sset_count+0x40/0x40
[  573.530598][ T7740]  batadv_softif_newlink+0x70/0x90
[  573.535856][ T7740]  __rtnl_newlink+0x1173/0x1930
[  573.540766][ T7740]  ? rtnl_link_unregister+0x260/0x260
[  573.546381][ T7740]  rtnl_newlink+0x67/0xa0
[  573.551011][ T7740]  ? __rtnl_newlink+0x1930/0x1930
[  573.556107][ T7740]  rtnetlink_rcv_msg+0x3c7/0xe00
[  573.561194][ T7740]  ? rtnl_getlink+0xb40/0xb40
[  573.565906][ T7740]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  573.572029][ T7740]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  573.578232][ T7740]  ? __lock_acquire+0xc97/0x5dc0
[  573.584047][ T7740]  netlink_rcv_skb+0x16b/0x440
[  573.588851][ T7740]  ? rtnl_getlink+0xb40/0xb40
[  573.593993][ T7740]  ? netlink_ack+0x1370/0x1370
[  573.599304][ T7740]  ? lock_sync+0x180/0x180
[  573.603770][ T7740]  ? netlink_deliver_tap+0x1a0/0xd00
[  573.609261][ T7740]  ? _copy_from_iter+0x2c1/0x10f0
[  573.614540][ T7740]  netlink_unicast+0x53b/0x810
[  573.619535][ T7740]  ? netlink_attachskb+0x870/0x870
[  573.624686][ T7740]  ? __phys_addr_symbol+0x30/0x70
[  573.629775][ T7740]  ? __check_object_size+0x322/0x730
[  573.635286][ T7740]  netlink_sendmsg+0x939/0xe40
[  573.640289][ T7740]  ? netlink_unicast+0x810/0x810
[  573.645364][ T7740]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  573.650699][ T7740]  ? netlink_unicast+0x810/0x810
[  573.656054][ T7740]  __sock_sendmsg+0xd5/0x180
[  573.660904][ T7740]  ____sys_sendmsg+0x6ac/0x940
[  573.665723][ T7740]  ? copy_msghdr_from_user+0x10b/0x160
[  573.672546][ T7740]  ? kernel_sendmsg+0x50/0x50
[  573.677341][ T7740]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  573.683542][ T7740]  ___sys_sendmsg+0x135/0x1d0
[  573.688338][ T7740]  ? do_recvmmsg+0x740/0x740
[  573.692977][ T7740]  ? find_held_lock+0x2d/0x110
[  573.697807][ T7740]  ? preempt_count_sub+0x150/0x150
[  573.703240][ T7740]  ? __fget_light+0x1fa/0x260
[  573.707980][ T7740]  __sys_sendmsg+0x117/0x1e0
[  573.712624][ T7740]  ? __sys_sendmsg_sock+0x30/0x30
[  573.717727][ T7740]  ? syscall_enter_from_user_mode+0x26/0x80
[  573.723681][ T7740]  do_syscall_64+0x3f/0x110
[  573.728426][ T7740]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  573.734380][ T7740] RIP: 0033:0x7fa730b27eb9
[  573.738828][ T7740] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  573.759349][ T7740] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  573.768161][ T7740] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  573.776621][ T7740] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  573.784715][ T7740] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  573.792969][ T7740] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  573.801134][ T7740] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  573.809152][ T7740]  </TASK>
[  573.828682][ T7740] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  573.889823][ T7741] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  573.903447][ T7741] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  573.914473][ T7741] CPU: 0 PID: 7741 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  573.926473][ T7741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  573.936868][ T7741] Call Trace:
[  573.940201][ T7741]  <TASK>
[  573.943167][ T7741]  dump_stack_lvl+0x125/0x1b0
[  573.948104][ T7741]  sysfs_warn_dup+0x7f/0xa0
[  573.952638][ T7741]  sysfs_create_dir_ns+0x247/0x2a0
[  573.957878][ T7741]  ? sysfs_create_mount_point+0xb0/0xb0
[  573.963626][ T7741]  ? spin_bug+0x1c0/0x1c0
[  573.968266][ T7741]  ? net_namespace+0x12/0x40
[  573.972878][ T7741]  ? device_namespace+0x8d/0xc0
[  573.977765][ T7741]  kobject_add_internal+0x2c8/0x960
[  573.983018][ T7741]  kobject_add+0x16f/0x240
[  573.987552][ T7741]  ? kset_create_and_add+0x190/0x190
[  573.992879][ T7741]  ? do_raw_spin_unlock+0x172/0x230
[  573.998129][ T7741]  ? kobject_put+0xbe/0x440
[  574.002681][ T7741]  ? device_add+0xc35/0x1aa0
[  574.007583][ T7741]  device_add+0x289/0x1aa0
[  574.012212][ T7741]  ? device_initialize+0x510/0x510
[  574.017351][ T7741]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  574.023200][ T7741]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  574.030357][ T7741]  ? __init_waitqueue_head+0xca/0x150
[  574.035901][ T7741]  netdev_register_kobject+0x183/0x3f0
[  574.041716][ T7741]  register_netdevice+0xbdf/0x14a0
[  574.046967][ T7741]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  574.053168][ T7741]  ? team_nl_cmd_noop+0x280/0x280
[  574.058231][ T7741]  team_newlink+0x92/0x160
[  574.062686][ T7741]  ? team_nl_cmd_noop+0x280/0x280
[  574.067752][ T7741]  ? rtnl_create_link+0xa6d/0xfd0
[  574.072822][ T7741]  __rtnl_newlink+0x1173/0x1930
[  574.077800][ T7741]  ? rtnl_link_unregister+0x260/0x260
[  574.083237][ T7741]  rtnl_newlink+0x67/0xa0
[  574.087600][ T7741]  ? __rtnl_newlink+0x1930/0x1930
[  574.092677][ T7741]  rtnetlink_rcv_msg+0x3c7/0xe00
[  574.097661][ T7741]  ? rtnl_getlink+0xb40/0xb40
[  574.102463][ T7741]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  574.108603][ T7741]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  574.114898][ T7741]  ? __lock_acquire+0xc97/0x5dc0
[  574.119900][ T7741]  netlink_rcv_skb+0x16b/0x440
[  574.124703][ T7741]  ? rtnl_getlink+0xb40/0xb40
[  574.129498][ T7741]  ? netlink_ack+0x1370/0x1370
[  574.134291][ T7741]  ? lock_sync+0x180/0x180
[  574.138761][ T7741]  ? netlink_deliver_tap+0x1a0/0xd00
[  574.144079][ T7741]  ? _copy_from_iter+0x2c1/0x10f0
[  574.149404][ T7741]  netlink_unicast+0x53b/0x810
[  574.154202][ T7741]  ? netlink_attachskb+0x870/0x870
[  574.159369][ T7741]  ? __phys_addr_symbol+0x30/0x70
[  574.164511][ T7741]  ? __check_object_size+0x322/0x730
[  574.169917][ T7741]  netlink_sendmsg+0x939/0xe40
[  574.174751][ T7741]  ? netlink_unicast+0x810/0x810
[  574.179813][ T7741]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  574.185566][ T7741]  ? netlink_unicast+0x810/0x810
[  574.191091][ T7741]  __sock_sendmsg+0xd5/0x180
[  574.195989][ T7741]  ____sys_sendmsg+0x6ac/0x940
[  574.200870][ T7741]  ? copy_msghdr_from_user+0x10b/0x160
[  574.206630][ T7741]  ? kernel_sendmsg+0x50/0x50
[  574.211790][ T7741]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  574.218523][ T7741]  ___sys_sendmsg+0x135/0x1d0
[  574.223583][ T7741]  ? do_recvmmsg+0x740/0x740
[  574.228821][ T7741]  ? find_held_lock+0x2d/0x110
[  574.233917][ T7741]  ? preempt_count_sub+0x150/0x150
[  574.239859][ T7741]  ? __fget_light+0x1fa/0x260
[  574.244944][ T7741]  __sys_sendmsg+0x117/0x1e0
[  574.249844][ T7741]  ? __sys_sendmsg_sock+0x30/0x30
[  574.255018][ T7741]  ? syscall_enter_from_user_mode+0x26/0x80
[  574.261131][ T7741]  do_syscall_64+0x3f/0x110
[  574.265846][ T7741]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  574.271790][ T7741] RIP: 0033:0x7fa730b27eb9
[  574.276402][ T7741] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  574.296389][ T7741] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  574.304917][ T7741] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  574.312914][ T7741] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  574.321026][ T7741] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  574.329024][ T7741] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  574.337098][ T7741] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  574.345199][ T7741]  </TASK>
[  574.383770][ T7741] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  574.455553][ T7741] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  574.465192][ T7741] CPU: 1 PID: 7741 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  574.476607][ T7741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  574.486711][ T7741] Call Trace:
[  574.490222][ T7741]  <TASK>
[  574.493720][ T7741]  dump_stack_lvl+0x125/0x1b0
[  574.498462][ T7741]  sysfs_warn_dup+0x7f/0xa0
[  574.503276][ T7741]  sysfs_create_dir_ns+0x247/0x2a0
[  574.508703][ T7741]  ? sysfs_create_mount_point+0xb0/0xb0
[  574.514685][ T7741]  ? spin_bug+0x1c0/0x1c0
[  574.519215][ T7741]  ? net_namespace+0x12/0x40
[  574.523873][ T7741]  ? device_namespace+0x8d/0xc0
[  574.528772][ T7741]  kobject_add_internal+0x2c8/0x960
[  574.534024][ T7741]  kobject_add+0x16f/0x240
[  574.538482][ T7741]  ? kset_create_and_add+0x190/0x190
[  574.543809][ T7741]  ? do_raw_spin_unlock+0x172/0x230
[  574.549046][ T7741]  ? kobject_put+0xbe/0x440
[  574.553600][ T7741]  ? device_add+0xc35/0x1aa0
[  574.558369][ T7741]  device_add+0x289/0x1aa0
[  574.562838][ T7741]  ? device_initialize+0x510/0x510
[  574.568038][ T7741]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  574.573898][ T7741]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  574.580906][ T7741]  ? __init_waitqueue_head+0xca/0x150
[  574.586357][ T7741]  netdev_register_kobject+0x183/0x3f0
[  574.591912][ T7741]  register_netdevice+0xbdf/0x14a0
[  574.597179][ T7741]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  574.603118][ T7741]  ? validate_linkmsg+0x6fc/0x9c0
[  574.608393][ T7741]  ? rtnl_create_link+0xa6d/0xfd0
[  574.613566][ T7741]  ? batadv_get_sset_count+0x40/0x40
[  574.619017][ T7741]  batadv_softif_newlink+0x70/0x90
[  574.624178][ T7741]  __rtnl_newlink+0x1173/0x1930
[  574.629090][ T7741]  ? rtnl_link_unregister+0x260/0x260
[  574.634527][ T7741]  rtnl_newlink+0x67/0xa0
[  574.639061][ T7741]  ? __rtnl_newlink+0x1930/0x1930
[  574.644117][ T7741]  rtnetlink_rcv_msg+0x3c7/0xe00
[  574.649086][ T7741]  ? rtnl_getlink+0xb40/0xb40
[  574.653891][ T7741]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  574.659908][ T7741]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  574.666013][ T7741]  ? __lock_acquire+0xc97/0x5dc0
[  574.671258][ T7741]  netlink_rcv_skb+0x16b/0x440
[  574.676055][ T7741]  ? rtnl_getlink+0xb40/0xb40
[  574.680768][ T7741]  ? netlink_ack+0x1370/0x1370
[  574.685736][ T7741]  ? lock_sync+0x180/0x180
[  574.690488][ T7741]  ? netlink_deliver_tap+0x1a0/0xd00
[  574.695802][ T7741]  ? _copy_from_iter+0x2c1/0x10f0
[  574.700878][ T7741]  netlink_unicast+0x53b/0x810
[  574.705696][ T7741]  ? netlink_attachskb+0x870/0x870
[  574.710934][ T7741]  ? __phys_addr_symbol+0x30/0x70
[  574.716073][ T7741]  ? __check_object_size+0x322/0x730
[  574.721387][ T7741]  netlink_sendmsg+0x939/0xe40
[  574.726187][ T7741]  ? netlink_unicast+0x810/0x810
[  574.731174][ T7741]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  574.736488][ T7741]  ? netlink_unicast+0x810/0x810
[  574.741638][ T7741]  __sock_sendmsg+0xd5/0x180
[  574.746435][ T7741]  ____sys_sendmsg+0x6ac/0x940
[  574.751661][ T7741]  ? copy_msghdr_from_user+0x10b/0x160
[  574.757409][ T7741]  ? kernel_sendmsg+0x50/0x50
[  574.762112][ T7741]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  574.768231][ T7741]  ___sys_sendmsg+0x135/0x1d0
[  574.772947][ T7741]  ? do_recvmmsg+0x740/0x740
[  574.777567][ T7741]  ? find_held_lock+0x2d/0x110
[  574.782374][ T7741]  ? preempt_count_sub+0x150/0x150
[  574.787619][ T7741]  ? __fget_light+0x1fa/0x260
[  574.792331][ T7741]  __sys_sendmsg+0x117/0x1e0
[  574.796955][ T7741]  ? __sys_sendmsg_sock+0x30/0x30
[  574.802123][ T7741]  ? syscall_enter_from_user_mode+0x26/0x80
[  574.808047][ T7741]  do_syscall_64+0x3f/0x110
[  574.812670][ T7741]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  574.818601][ T7741] RIP: 0033:0x7fa730b27eb9
[  574.823034][ T7741] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  574.842759][ T7741] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  574.851405][ T7741] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  574.859598][ T7741] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  574.867623][ T7741] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  574.875626][ T7741] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  574.883707][ T7741] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  574.891896][ T7741]  </TASK>
[  574.897197][ T7741] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  574.983754][ T7742] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  575.003324][ T7742] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  575.021544][ T7742] CPU: 0 PID: 7742 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  575.033506][ T7742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  575.043685][ T7742] Call Trace:
[  575.047158][ T7742]  <TASK>
[  575.050115][ T7742]  dump_stack_lvl+0x125/0x1b0
[  575.055023][ T7742]  sysfs_warn_dup+0x7f/0xa0
[  575.059638][ T7742]  sysfs_create_dir_ns+0x247/0x2a0
[  575.064775][ T7742]  ? sysfs_create_mount_point+0xb0/0xb0
[  575.070776][ T7742]  ? spin_bug+0x1c0/0x1c0
[  575.075150][ T7742]  ? net_namespace+0x12/0x40
[  575.079861][ T7742]  ? device_namespace+0x8d/0xc0
[  575.084782][ T7742]  kobject_add_internal+0x2c8/0x960
[  575.090132][ T7742]  kobject_add+0x16f/0x240
[  575.094704][ T7742]  ? kset_create_and_add+0x190/0x190
[  575.100221][ T7742]  ? do_raw_spin_unlock+0x172/0x230
[  575.105562][ T7742]  ? kobject_put+0xbe/0x440
[  575.110269][ T7742]  ? device_add+0xc35/0x1aa0
[  575.115064][ T7742]  device_add+0x289/0x1aa0
[  575.119501][ T7742]  ? device_initialize+0x510/0x510
[  575.124627][ T7742]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  575.130541][ T7742]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  575.137581][ T7742]  ? __init_waitqueue_head+0xca/0x150
[  575.143062][ T7742]  netdev_register_kobject+0x183/0x3f0
[  575.148566][ T7742]  register_netdevice+0xbdf/0x14a0
[  575.153820][ T7742]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  575.159758][ T7742]  ? team_nl_cmd_noop+0x280/0x280
[  575.164908][ T7742]  team_newlink+0x92/0x160
[  575.169435][ T7742]  ? team_nl_cmd_noop+0x280/0x280
[  575.174474][ T7742]  ? rtnl_create_link+0xa6d/0xfd0
[  575.179520][ T7742]  __rtnl_newlink+0x1173/0x1930
[  575.184418][ T7742]  ? rtnl_link_unregister+0x260/0x260
[  575.189827][ T7742]  rtnl_newlink+0x67/0xa0
[  575.194253][ T7742]  ? __rtnl_newlink+0x1930/0x1930
[  575.199804][ T7742]  rtnetlink_rcv_msg+0x3c7/0xe00
[  575.204754][ T7742]  ? rtnl_getlink+0xb40/0xb40
[  575.209522][ T7742]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  575.215607][ T7742]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  575.221620][ T7742]  ? __lock_acquire+0xc97/0x5dc0
[  575.226580][ T7742]  netlink_rcv_skb+0x16b/0x440
[  575.231529][ T7742]  ? rtnl_getlink+0xb40/0xb40
[  575.236390][ T7742]  ? netlink_ack+0x1370/0x1370
[  575.241248][ T7742]  ? lock_sync+0x180/0x180
[  575.245695][ T7742]  ? netlink_deliver_tap+0x1a0/0xd00
[  575.251325][ T7742]  ? _copy_from_iter+0x2c1/0x10f0
[  575.256579][ T7742]  netlink_unicast+0x53b/0x810
[  575.261358][ T7742]  ? netlink_attachskb+0x870/0x870
[  575.266478][ T7742]  ? __phys_addr_symbol+0x30/0x70
[  575.272737][ T7742]  ? __check_object_size+0x322/0x730
[  575.278035][ T7742]  netlink_sendmsg+0x939/0xe40
[  575.282903][ T7742]  ? netlink_unicast+0x810/0x810
[  575.287953][ T7742]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  575.293416][ T7742]  ? netlink_unicast+0x810/0x810
[  575.298360][ T7742]  __sock_sendmsg+0xd5/0x180
[  575.303130][ T7742]  ____sys_sendmsg+0x6ac/0x940
[  575.307901][ T7742]  ? copy_msghdr_from_user+0x10b/0x160
[  575.313366][ T7742]  ? kernel_sendmsg+0x50/0x50
[  575.318139][ T7742]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  575.324149][ T7742]  ___sys_sendmsg+0x135/0x1d0
[  575.329009][ T7742]  ? do_recvmmsg+0x740/0x740
[  575.333606][ T7742]  ? find_held_lock+0x2d/0x110
[  575.338400][ T7742]  ? preempt_count_sub+0x150/0x150
[  575.343530][ T7742]  ? __fget_light+0x1fa/0x260
[  575.348309][ T7742]  __sys_sendmsg+0x117/0x1e0
[  575.352995][ T7742]  ? __sys_sendmsg_sock+0x30/0x30
[  575.358047][ T7742]  ? syscall_enter_from_user_mode+0x26/0x80
[  575.363951][ T7742]  do_syscall_64+0x3f/0x110
[  575.368467][ T7742]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  575.374546][ T7742] RIP: 0033:0x7fa730b27eb9
[  575.378966][ T7742] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  575.398580][ T7742] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  575.407201][ T7742] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  575.415283][ T7742] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  575.423443][ T7742] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  575.431423][ T7742] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  575.439670][ T7742] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  575.448794][ T7742]  </TASK>
[  575.454161][ T7742] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  575.496510][ T7742] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  575.511008][ T7742] CPU: 1 PID: 7742 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  575.523054][ T7742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  575.533139][ T7742] Call Trace:
[  575.536699][ T7742]  <TASK>
[  575.539644][ T7742]  dump_stack_lvl+0x125/0x1b0
[  575.544712][ T7742]  sysfs_warn_dup+0x7f/0xa0
[  575.549278][ T7742]  sysfs_create_dir_ns+0x247/0x2a0
[  575.554496][ T7742]  ? sysfs_create_mount_point+0xb0/0xb0
[  575.560059][ T7742]  ? spin_bug+0x1c0/0x1c0
[  575.564426][ T7742]  ? net_namespace+0x12/0x40
[  575.569033][ T7742]  ? device_namespace+0x8d/0xc0
[  575.574012][ T7742]  kobject_add_internal+0x2c8/0x960
[  575.579350][ T7742]  kobject_add+0x16f/0x240
[  575.583799][ T7742]  ? kset_create_and_add+0x190/0x190
[  575.589212][ T7742]  ? do_raw_spin_unlock+0x172/0x230
[  575.594614][ T7742]  ? kobject_put+0xbe/0x440
[  575.599594][ T7742]  ? device_add+0xc35/0x1aa0
[  575.604218][ T7742]  device_add+0x289/0x1aa0
[  575.608833][ T7742]  ? device_initialize+0x510/0x510
[  575.614413][ T7742]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  575.620344][ T7742]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  575.627322][ T7742]  ? __init_waitqueue_head+0xca/0x150
[  575.633013][ T7742]  netdev_register_kobject+0x183/0x3f0
[  575.638735][ T7742]  register_netdevice+0xbdf/0x14a0
[  575.643991][ T7742]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  575.649929][ T7742]  ? validate_linkmsg+0x6fc/0x9c0
[  575.655091][ T7742]  ? rtnl_create_link+0xa6d/0xfd0
[  575.660338][ T7742]  ? batadv_get_sset_count+0x40/0x40
[  575.666273][ T7742]  batadv_softif_newlink+0x70/0x90
[  575.671522][ T7742]  __rtnl_newlink+0x1173/0x1930
[  575.676531][ T7742]  ? rtnl_link_unregister+0x260/0x260
[  575.682096][ T7742]  rtnl_newlink+0x67/0xa0
[  575.686629][ T7742]  ? __rtnl_newlink+0x1930/0x1930
[  575.691686][ T7742]  rtnetlink_rcv_msg+0x3c7/0xe00
[  575.696659][ T7742]  ? rtnl_getlink+0xb40/0xb40
[  575.701531][ T7742]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  575.707543][ T7742]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  575.713669][ T7742]  ? __lock_acquire+0xc97/0x5dc0
[  575.718693][ T7742]  netlink_rcv_skb+0x16b/0x440
[  575.723538][ T7742]  ? rtnl_getlink+0xb40/0xb40
[  575.728516][ T7742]  ? netlink_ack+0x1370/0x1370
[  575.733416][ T7742]  ? lock_sync+0x180/0x180
[  575.737910][ T7742]  ? netlink_deliver_tap+0x1a0/0xd00
[  575.743230][ T7742]  ? _copy_from_iter+0x2c1/0x10f0
[  575.748308][ T7742]  netlink_unicast+0x53b/0x810
[  575.754184][ T7742]  ? netlink_attachskb+0x870/0x870
[  575.760164][ T7742]  ? __phys_addr_symbol+0x30/0x70
[  575.765866][ T7742]  ? __check_object_size+0x322/0x730
[  575.771633][ T7742]  netlink_sendmsg+0x939/0xe40
[  575.776494][ T7742]  ? netlink_unicast+0x810/0x810
[  575.781583][ T7742]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  575.787010][ T7742]  ? netlink_unicast+0x810/0x810
[  575.792007][ T7742]  __sock_sendmsg+0xd5/0x180
[  575.796826][ T7742]  ____sys_sendmsg+0x6ac/0x940
[  575.801638][ T7742]  ? copy_msghdr_from_user+0x10b/0x160
[  575.807157][ T7742]  ? kernel_sendmsg+0x50/0x50
[  575.812064][ T7742]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  575.818423][ T7742]  ___sys_sendmsg+0x135/0x1d0
[  575.823243][ T7742]  ? do_recvmmsg+0x740/0x740
[  575.828343][ T7742]  ? find_held_lock+0x2d/0x110
[  575.833696][ T7742]  ? preempt_count_sub+0x150/0x150
[  575.839038][ T7742]  ? __fget_light+0x1fa/0x260
[  575.844188][ T7742]  __sys_sendmsg+0x117/0x1e0
[  575.848819][ T7742]  ? __sys_sendmsg_sock+0x30/0x30
[  575.853977][ T7742]  ? syscall_enter_from_user_mode+0x26/0x80
[  575.859992][ T7742]  do_syscall_64+0x3f/0x110
[  575.864678][ T7742]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  575.870774][ T7742] RIP: 0033:0x7fa730b27eb9
[  575.875320][ T7742] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  575.899186][ T7742] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  575.907897][ T7742] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  575.915901][ T7742] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  575.924079][ T7742] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  575.932245][ T7742] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  575.940460][ T7742] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  575.949367][ T7742]  </TASK>
[  575.968257][ T7742] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  576.072007][ T7743] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  576.085845][ T7743] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  576.095908][ T7743] CPU: 1 PID: 7743 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  576.107322][ T7743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  576.117841][ T7743] Call Trace:
[  576.121314][ T7743]  <TASK>
[  576.124528][ T7743]  dump_stack_lvl+0x125/0x1b0
[  576.129333][ T7743]  sysfs_warn_dup+0x7f/0xa0
[  576.133886][ T7743]  sysfs_create_dir_ns+0x247/0x2a0
[  576.139219][ T7743]  ? sysfs_create_mount_point+0xb0/0xb0
[  576.144813][ T7743]  ? spin_bug+0x1c0/0x1c0
[  576.149358][ T7743]  ? net_namespace+0x12/0x40
[  576.154150][ T7743]  ? device_namespace+0x8d/0xc0
[  576.159145][ T7743]  kobject_add_internal+0x2c8/0x960
[  576.164657][ T7743]  kobject_add+0x16f/0x240
[  576.169642][ T7743]  ? kset_create_and_add+0x190/0x190
[  576.175302][ T7743]  ? do_raw_spin_unlock+0x172/0x230
[  576.180573][ T7743]  ? kobject_put+0xbe/0x440
[  576.185221][ T7743]  ? device_add+0xc35/0x1aa0
[  576.190288][ T7743]  device_add+0x289/0x1aa0
[  576.194759][ T7743]  ? device_initialize+0x510/0x510
[  576.200115][ T7743]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  576.206355][ T7743]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  576.214001][ T7743]  ? __init_waitqueue_head+0xca/0x150
[  576.219525][ T7743]  netdev_register_kobject+0x183/0x3f0
[  576.225198][ T7743]  register_netdevice+0xbdf/0x14a0
[  576.231028][ T7743]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  576.237030][ T7743]  ? team_nl_cmd_noop+0x280/0x280
[  576.242622][ T7743]  team_newlink+0x92/0x160
[  576.247632][ T7743]  ? team_nl_cmd_noop+0x280/0x280
[  576.253083][ T7743]  ? rtnl_create_link+0xa6d/0xfd0
[  576.258937][ T7743]  __rtnl_newlink+0x1173/0x1930
[  576.264494][ T7743]  ? rtnl_link_unregister+0x260/0x260
[  576.273421][ T7743]  rtnl_newlink+0x67/0xa0
[  576.278564][ T7743]  ? __rtnl_newlink+0x1930/0x1930
[  576.284951][ T7743]  rtnetlink_rcv_msg+0x3c7/0xe00
[  576.290121][ T7743]  ? rtnl_getlink+0xb40/0xb40
[  576.294930][ T7743]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  576.301107][ T7743]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  576.307627][ T7743]  ? __lock_acquire+0xc97/0x5dc0
[  576.313956][ T7743]  netlink_rcv_skb+0x16b/0x440
[  576.318994][ T7743]  ? rtnl_getlink+0xb40/0xb40
[  576.323876][ T7743]  ? netlink_ack+0x1370/0x1370
[  576.328656][ T7743]  ? lock_sync+0x180/0x180
[  576.333133][ T7743]  ? netlink_deliver_tap+0x1a0/0xd00
[  576.338728][ T7743]  ? _copy_from_iter+0x2c1/0x10f0
[  576.344097][ T7743]  netlink_unicast+0x53b/0x810
[  576.349264][ T7743]  ? netlink_attachskb+0x870/0x870
[  576.354933][ T7743]  ? __phys_addr_symbol+0x30/0x70
[  576.360025][ T7743]  ? __check_object_size+0x322/0x730
[  576.365515][ T7743]  netlink_sendmsg+0x939/0xe40
[  576.370458][ T7743]  ? netlink_unicast+0x810/0x810
[  576.375924][ T7743]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  576.381239][ T7743]  ? netlink_unicast+0x810/0x810
[  576.386370][ T7743]  __sock_sendmsg+0xd5/0x180
[  576.391511][ T7743]  ____sys_sendmsg+0x6ac/0x940
[  576.396312][ T7743]  ? copy_msghdr_from_user+0x10b/0x160
[  576.401970][ T7743]  ? kernel_sendmsg+0x50/0x50
[  576.406794][ T7743]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  576.413098][ T7743]  ___sys_sendmsg+0x135/0x1d0
[  576.418037][ T7743]  ? do_recvmmsg+0x740/0x740
[  576.422743][ T7743]  ? find_held_lock+0x2d/0x110
[  576.427932][ T7743]  ? preempt_count_sub+0x150/0x150
[  576.433089][ T7743]  ? __fget_light+0x1fa/0x260
[  576.437989][ T7743]  __sys_sendmsg+0x117/0x1e0
[  576.442759][ T7743]  ? __sys_sendmsg_sock+0x30/0x30
[  576.447838][ T7743]  ? syscall_enter_from_user_mode+0x26/0x80
[  576.454205][ T7743]  do_syscall_64+0x3f/0x110
[  576.458932][ T7743]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  576.464928][ T7743] RIP: 0033:0x7fa730b27eb9
[  576.469728][ T7743] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  576.489620][ T7743] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  576.498135][ T7743] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  576.506230][ T7743] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  576.515152][ T7743] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  576.523577][ T7743] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  576.531779][ T7743] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  576.540082][ T7743]  </TASK>
[  576.559054][ T7743] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  576.600018][ T7743] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  576.609919][ T7743] CPU: 1 PID: 7743 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  576.624457][ T7743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  576.635851][ T7743] Call Trace:
[  576.639250][ T7743]  <TASK>
[  576.642280][ T7743]  dump_stack_lvl+0x125/0x1b0
[  576.647027][ T7743]  sysfs_warn_dup+0x7f/0xa0
[  576.651744][ T7743]  sysfs_create_dir_ns+0x247/0x2a0
[  576.656980][ T7743]  ? sysfs_create_mount_point+0xb0/0xb0
[  576.662650][ T7743]  ? spin_bug+0x1c0/0x1c0
[  576.667319][ T7743]  ? net_namespace+0x12/0x40
[  576.672612][ T7743]  ? device_namespace+0x8d/0xc0
[  576.677795][ T7743]  kobject_add_internal+0x2c8/0x960
[  576.684117][ T7743]  kobject_add+0x16f/0x240
[  576.688926][ T7743]  ? kset_create_and_add+0x190/0x190
[  576.694679][ T7743]  ? do_raw_spin_unlock+0x172/0x230
[  576.700072][ T7743]  ? kobject_put+0xbe/0x440
[  576.704724][ T7743]  ? device_add+0xc35/0x1aa0
[  576.709367][ T7743]  device_add+0x289/0x1aa0
[  576.713834][ T7743]  ? device_initialize+0x510/0x510
[  576.719342][ T7743]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  576.725299][ T7743]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  576.732404][ T7743]  ? __init_waitqueue_head+0xca/0x150
[  576.738102][ T7743]  netdev_register_kobject+0x183/0x3f0
[  576.743627][ T7743]  register_netdevice+0xbdf/0x14a0
[  576.749245][ T7743]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  576.755270][ T7743]  ? validate_linkmsg+0x6fc/0x9c0
[  576.760343][ T7743]  ? rtnl_create_link+0xa6d/0xfd0
[  576.765510][ T7743]  ? batadv_get_sset_count+0x40/0x40
[  576.771106][ T7743]  batadv_softif_newlink+0x70/0x90
[  576.777357][ T7743]  __rtnl_newlink+0x1173/0x1930
[  576.783259][ T7743]  ? rtnl_link_unregister+0x260/0x260
[  576.788799][ T7743]  rtnl_newlink+0x67/0xa0
[  576.793591][ T7743]  ? __rtnl_newlink+0x1930/0x1930
[  576.798648][ T7743]  rtnetlink_rcv_msg+0x3c7/0xe00
[  576.803613][ T7743]  ? rtnl_getlink+0xb40/0xb40
[  576.808742][ T7743]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  576.815017][ T7743]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  576.821727][ T7743]  ? __lock_acquire+0xc97/0x5dc0
[  576.826713][ T7743]  netlink_rcv_skb+0x16b/0x440
[  576.831609][ T7743]  ? rtnl_getlink+0xb40/0xb40
[  576.836309][ T7743]  ? netlink_ack+0x1370/0x1370
[  576.841180][ T7743]  ? lock_sync+0x180/0x180
[  576.845816][ T7743]  ? netlink_deliver_tap+0x1a0/0xd00
[  576.851313][ T7743]  ? _copy_from_iter+0x2c1/0x10f0
[  576.856459][ T7743]  netlink_unicast+0x53b/0x810
[  576.861369][ T7743]  ? netlink_attachskb+0x870/0x870
[  576.866516][ T7743]  ? __phys_addr_symbol+0x30/0x70
[  576.871571][ T7743]  ? __check_object_size+0x322/0x730
[  576.877070][ T7743]  netlink_sendmsg+0x939/0xe40
[  576.881895][ T7743]  ? netlink_unicast+0x810/0x810
[  576.887037][ T7743]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  576.892356][ T7743]  ? netlink_unicast+0x810/0x810
[  576.897500][ T7743]  __sock_sendmsg+0xd5/0x180
[  576.902126][ T7743]  ____sys_sendmsg+0x6ac/0x940
[  576.907011][ T7743]  ? copy_msghdr_from_user+0x10b/0x160
[  576.912716][ T7743]  ? kernel_sendmsg+0x50/0x50
[  576.917421][ T7743]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  576.923882][ T7743]  ___sys_sendmsg+0x135/0x1d0
[  576.929202][ T7743]  ? do_recvmmsg+0x740/0x740
[  576.934942][ T7743]  ? find_held_lock+0x2d/0x110
[  576.940169][ T7743]  ? preempt_count_sub+0x150/0x150
[  576.945352][ T7743]  ? __fget_light+0x1fa/0x260
[  576.950172][ T7743]  __sys_sendmsg+0x117/0x1e0
[  576.954809][ T7743]  ? __sys_sendmsg_sock+0x30/0x30
[  576.959880][ T7743]  ? syscall_enter_from_user_mode+0x26/0x80
[  576.965815][ T7743]  do_syscall_64+0x3f/0x110
[  576.970369][ T7743]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  576.977436][ T7743] RIP: 0033:0x7fa730b27eb9
[  576.982257][ T7743] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  577.003639][ T7743] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  577.013147][ T7743] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  577.023053][ T7743] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  577.031401][ T7743] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  577.039413][ T7743] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  577.047895][ T7743] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  577.056201][ T7743]  </TASK>
[  577.067715][ T7743] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  577.134372][ T7744] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  577.149192][ T7744] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  577.158453][ T7744] CPU: 1 PID: 7744 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  577.169942][ T7744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  577.180641][ T7744] Call Trace:
[  577.184040][ T7744]  <TASK>
[  577.187190][ T7744]  dump_stack_lvl+0x125/0x1b0
[  577.192176][ T7744]  sysfs_warn_dup+0x7f/0xa0
[  577.196731][ T7744]  sysfs_create_dir_ns+0x247/0x2a0
[  577.201983][ T7744]  ? sysfs_create_mount_point+0xb0/0xb0
[  577.207916][ T7744]  ? spin_bug+0x1c0/0x1c0
[  577.212321][ T7744]  ? net_namespace+0x12/0x40
[  577.216947][ T7744]  ? device_namespace+0x8d/0xc0
[  577.221913][ T7744]  kobject_add_internal+0x2c8/0x960
[  577.227516][ T7744]  kobject_add+0x16f/0x240
[  577.231952][ T7744]  ? kset_create_and_add+0x190/0x190
[  577.237348][ T7744]  ? do_raw_spin_unlock+0x172/0x230
[  577.242832][ T7744]  ? kobject_put+0xbe/0x440
[  577.247557][ T7744]  ? device_add+0xc35/0x1aa0
[  577.252965][ T7744]  device_add+0x289/0x1aa0
[  577.257463][ T7744]  ? device_initialize+0x510/0x510
[  577.262968][ T7744]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  577.268899][ T7744]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  577.275855][ T7744]  ? __init_waitqueue_head+0xca/0x150
[  577.281508][ T7744]  netdev_register_kobject+0x183/0x3f0
[  577.287075][ T7744]  register_netdevice+0xbdf/0x14a0
[  577.292386][ T7744]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  577.298471][ T7744]  ? team_nl_cmd_noop+0x280/0x280
[  577.303510][ T7744]  team_newlink+0x92/0x160
[  577.307938][ T7744]  ? team_nl_cmd_noop+0x280/0x280
[  577.312978][ T7744]  ? rtnl_create_link+0xa6d/0xfd0
[  577.318036][ T7744]  __rtnl_newlink+0x1173/0x1930
[  577.323258][ T7744]  ? rtnl_link_unregister+0x260/0x260
[  577.328667][ T7744]  rtnl_newlink+0x67/0xa0
[  577.333176][ T7744]  ? __rtnl_newlink+0x1930/0x1930
[  577.338403][ T7744]  rtnetlink_rcv_msg+0x3c7/0xe00
[  577.343458][ T7744]  ? rtnl_getlink+0xb40/0xb40
[  577.348139][ T7744]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  577.354135][ T7744]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  577.360302][ T7744]  ? __lock_acquire+0xc97/0x5dc0
[  577.365469][ T7744]  netlink_rcv_skb+0x16b/0x440
[  577.370256][ T7744]  ? rtnl_getlink+0xb40/0xb40
[  577.375314][ T7744]  ? netlink_ack+0x1370/0x1370
[  577.382873][ T7744]  ? lock_sync+0x180/0x180
[  577.387323][ T7744]  ? netlink_deliver_tap+0x1a0/0xd00
[  577.392976][ T7744]  ? _copy_from_iter+0x2c1/0x10f0
[  577.398050][ T7744]  netlink_unicast+0x53b/0x810
[  577.403557][ T7744]  ? netlink_attachskb+0x870/0x870
[  577.408838][ T7744]  ? __phys_addr_symbol+0x30/0x70
[  577.413996][ T7744]  ? __check_object_size+0x322/0x730
[  577.419314][ T7744]  netlink_sendmsg+0x939/0xe40
[  577.424123][ T7744]  ? netlink_unicast+0x810/0x810
[  577.429265][ T7744]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  577.434559][ T7744]  ? netlink_unicast+0x810/0x810
[  577.439631][ T7744]  __sock_sendmsg+0xd5/0x180
[  577.444402][ T7744]  ____sys_sendmsg+0x6ac/0x940
[  577.449261][ T7744]  ? copy_msghdr_from_user+0x10b/0x160
[  577.454817][ T7744]  ? kernel_sendmsg+0x50/0x50
[  577.459596][ T7744]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  577.465597][ T7744]  ___sys_sendmsg+0x135/0x1d0
[  577.470390][ T7744]  ? do_recvmmsg+0x740/0x740
[  577.475078][ T7744]  ? find_held_lock+0x2d/0x110
[  577.479958][ T7744]  ? preempt_count_sub+0x150/0x150
[  577.485349][ T7744]  ? __fget_light+0x1fa/0x260
[  577.490158][ T7744]  __sys_sendmsg+0x117/0x1e0
[  577.494853][ T7744]  ? __sys_sendmsg_sock+0x30/0x30
[  577.499991][ T7744]  ? syscall_enter_from_user_mode+0x26/0x80
[  577.506006][ T7744]  do_syscall_64+0x3f/0x110
[  577.511136][ T7744]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  577.517055][ T7744] RIP: 0033:0x7fa730b27eb9
[  577.521560][ T7744] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  577.542849][ T7744] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  577.551824][ T7744] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  577.559799][ T7744] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  577.567788][ T7744] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  577.576209][ T7744] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  577.584276][ T7744] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  577.594680][ T7744]  </TASK>
[  577.601934][ T7744] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  577.645122][ T7744] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  577.657450][ T7744] CPU: 1 PID: 7744 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  577.672137][ T7744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  577.684232][ T7744] Call Trace:
[  577.688336][ T7744]  <TASK>
[  577.691291][ T7744]  dump_stack_lvl+0x125/0x1b0
[  577.696620][ T7744]  sysfs_warn_dup+0x7f/0xa0
[  577.701149][ T7744]  sysfs_create_dir_ns+0x247/0x2a0
[  577.706460][ T7744]  ? sysfs_create_mount_point+0xb0/0xb0
[  577.712208][ T7744]  ? spin_bug+0x1c0/0x1c0
[  577.716666][ T7744]  ? net_namespace+0x12/0x40
[  577.721437][ T7744]  ? device_namespace+0x8d/0xc0
[  577.726762][ T7744]  kobject_add_internal+0x2c8/0x960
[  577.732198][ T7744]  kobject_add+0x16f/0x240
[  577.737210][ T7744]  ? kset_create_and_add+0x190/0x190
[  577.743020][ T7744]  ? do_raw_spin_unlock+0x172/0x230
[  577.748530][ T7744]  ? kobject_put+0xbe/0x440
[  577.753096][ T7744]  ? device_add+0xc35/0x1aa0
[  577.757810][ T7744]  device_add+0x289/0x1aa0
[  577.762257][ T7744]  ? device_initialize+0x510/0x510
[  577.767676][ T7744]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  577.773716][ T7744]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  577.780796][ T7744]  ? __init_waitqueue_head+0xca/0x150
[  577.786314][ T7744]  netdev_register_kobject+0x183/0x3f0
[  577.791909][ T7744]  register_netdevice+0xbdf/0x14a0
[  577.797060][ T7744]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  577.804818][ T7744]  ? validate_linkmsg+0x6fc/0x9c0
[  577.809896][ T7744]  ? rtnl_create_link+0xa6d/0xfd0
[  577.814973][ T7744]  ? batadv_get_sset_count+0x40/0x40
[  577.820308][ T7744]  batadv_softif_newlink+0x70/0x90
[  577.825555][ T7744]  __rtnl_newlink+0x1173/0x1930
[  577.830545][ T7744]  ? rtnl_link_unregister+0x260/0x260
[  577.836334][ T7744]  rtnl_newlink+0x67/0xa0
[  577.840862][ T7744]  ? __rtnl_newlink+0x1930/0x1930
[  577.846031][ T7744]  rtnetlink_rcv_msg+0x3c7/0xe00
[  577.851003][ T7744]  ? rtnl_getlink+0xb40/0xb40
[  577.855793][ T7744]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  577.861824][ T7744]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  577.868315][ T7744]  ? __lock_acquire+0xc97/0x5dc0
[  577.873915][ T7744]  netlink_rcv_skb+0x16b/0x440
[  577.878953][ T7744]  ? rtnl_getlink+0xb40/0xb40
[  577.883871][ T7744]  ? netlink_ack+0x1370/0x1370
[  577.888989][ T7744]  ? lock_sync+0x180/0x180
[  577.893673][ T7744]  ? netlink_deliver_tap+0x1a0/0xd00
[  577.899118][ T7744]  ? _copy_from_iter+0x2c1/0x10f0
[  577.904228][ T7744]  netlink_unicast+0x53b/0x810
[  577.909164][ T7744]  ? netlink_attachskb+0x870/0x870
[  577.914433][ T7744]  ? __phys_addr_symbol+0x30/0x70
[  577.919710][ T7744]  ? __check_object_size+0x322/0x730
[  577.927484][ T7744]  netlink_sendmsg+0x939/0xe40
[  577.932777][ T7744]  ? netlink_unicast+0x810/0x810
[  577.938346][ T7744]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  577.944061][ T7744]  ? netlink_unicast+0x810/0x810
[  577.955417][ T7744]  __sock_sendmsg+0xd5/0x180
[  577.960392][ T7744]  ____sys_sendmsg+0x6ac/0x940
[  577.965780][ T7744]  ? copy_msghdr_from_user+0x10b/0x160
[  577.971565][ T7744]  ? kernel_sendmsg+0x50/0x50
[  577.976472][ T7744]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  577.983346][ T7744]  ___sys_sendmsg+0x135/0x1d0
[  577.988321][ T7744]  ? do_recvmmsg+0x740/0x740
[  577.993525][ T7744]  ? find_held_lock+0x2d/0x110
[  577.998453][ T7744]  ? preempt_count_sub+0x150/0x150
[  578.003861][ T7744]  ? __fget_light+0x1fa/0x260
[  578.010099][ T7744]  __sys_sendmsg+0x117/0x1e0
[  578.016296][ T7744]  ? __sys_sendmsg_sock+0x30/0x30
[  578.023582][ T7744]  ? syscall_enter_from_user_mode+0x26/0x80
[  578.030499][ T7744]  do_syscall_64+0x3f/0x110
[  578.035434][ T7744]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  578.041477][ T7744] RIP: 0033:0x7fa730b27eb9
[  578.046747][ T7744] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  578.068069][ T7744] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  578.077148][ T7744] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  578.085356][ T7744] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  578.094949][ T7744] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  578.103223][ T7744] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  578.111685][ T7744] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  578.119816][ T7744]  </TASK>
[  578.136360][ T7744] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  578.217631][ T7745] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  578.231462][ T7745] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  578.246084][ T7745] CPU: 1 PID: 7745 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  578.257771][ T7745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  578.268844][ T7745] Call Trace:
[  578.272260][ T7745]  <TASK>
[  578.275792][ T7745]  dump_stack_lvl+0x125/0x1b0
[  578.281501][ T7745]  sysfs_warn_dup+0x7f/0xa0
[  578.286163][ T7745]  sysfs_create_dir_ns+0x247/0x2a0
[  578.291603][ T7745]  ? sysfs_create_mount_point+0xb0/0xb0
[  578.297331][ T7745]  ? spin_bug+0x1c0/0x1c0
[  578.308041][ T7745]  ? net_namespace+0x12/0x40
[  578.313118][ T7745]  ? device_namespace+0x8d/0xc0
[  578.318117][ T7745]  kobject_add_internal+0x2c8/0x960
[  578.323376][ T7745]  kobject_add+0x16f/0x240
[  578.328022][ T7745]  ? kset_create_and_add+0x190/0x190
[  578.333527][ T7745]  ? do_raw_spin_unlock+0x172/0x230
[  578.339558][ T7745]  ? kobject_put+0xbe/0x440
[  578.344210][ T7745]  ? device_add+0xc35/0x1aa0
[  578.349482][ T7745]  device_add+0x289/0x1aa0
[  578.354673][ T7745]  ? device_initialize+0x510/0x510
[  578.360273][ T7745]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  578.366392][ T7745]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  578.378007][ T7745]  ? __init_waitqueue_head+0xca/0x150
[  578.383627][ T7745]  netdev_register_kobject+0x183/0x3f0
[  578.389238][ T7745]  register_netdevice+0xbdf/0x14a0
[  578.394659][ T7745]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  578.400784][ T7745]  ? team_nl_cmd_noop+0x280/0x280
[  578.405878][ T7745]  team_newlink+0x92/0x160
[  578.410380][ T7745]  ? team_nl_cmd_noop+0x280/0x280
[  578.415462][ T7745]  ? rtnl_create_link+0xa6d/0xfd0
[  578.420901][ T7745]  __rtnl_newlink+0x1173/0x1930
[  578.425831][ T7745]  ? rtnl_link_unregister+0x260/0x260
[  578.431399][ T7745]  rtnl_newlink+0x67/0xa0
[  578.435867][ T7745]  ? __rtnl_newlink+0x1930/0x1930
[  578.441046][ T7745]  rtnetlink_rcv_msg+0x3c7/0xe00
[  578.446117][ T7745]  ? rtnl_getlink+0xb40/0xb40
[  578.450840][ T7745]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  578.456891][ T7745]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  578.463443][ T7745]  ? __lock_acquire+0xc97/0x5dc0
[  578.468519][ T7745]  netlink_rcv_skb+0x16b/0x440
[  578.473601][ T7745]  ? rtnl_getlink+0xb40/0xb40
[  578.478621][ T7745]  ? netlink_ack+0x1370/0x1370
[  578.483513][ T7745]  ? lock_sync+0x180/0x180
[  578.488117][ T7745]  ? netlink_deliver_tap+0x1a0/0xd00
[  578.493559][ T7745]  ? _copy_from_iter+0x2c1/0x10f0
[  578.498732][ T7745]  netlink_unicast+0x53b/0x810
[  578.503662][ T7745]  ? netlink_attachskb+0x870/0x870
[  578.509063][ T7745]  ? __phys_addr_symbol+0x30/0x70
[  578.514666][ T7745]  ? __check_object_size+0x322/0x730
[  578.520009][ T7745]  netlink_sendmsg+0x939/0xe40
[  578.524844][ T7745]  ? netlink_unicast+0x810/0x810
[  578.529843][ T7745]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  578.535203][ T7745]  ? netlink_unicast+0x810/0x810
[  578.540278][ T7745]  __sock_sendmsg+0xd5/0x180
[  578.544907][ T7745]  ____sys_sendmsg+0x6ac/0x940
[  578.549883][ T7745]  ? copy_msghdr_from_user+0x10b/0x160
[  578.555562][ T7745]  ? kernel_sendmsg+0x50/0x50
[  578.560396][ T7745]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  578.566601][ T7745]  ___sys_sendmsg+0x135/0x1d0
[  578.571355][ T7745]  ? do_recvmmsg+0x740/0x740
[  578.576004][ T7745]  ? find_held_lock+0x2d/0x110
[  578.580924][ T7745]  ? preempt_count_sub+0x150/0x150
[  578.586179][ T7745]  ? __fget_light+0x1fa/0x260
[  578.591011][ T7745]  __sys_sendmsg+0x117/0x1e0
[  578.595753][ T7745]  ? __sys_sendmsg_sock+0x30/0x30
[  578.601023][ T7745]  ? syscall_enter_from_user_mode+0x26/0x80
[  578.606972][ T7745]  do_syscall_64+0x3f/0x110
[  578.611535][ T7745]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  578.617627][ T7745] RIP: 0033:0x7fa730b27eb9
[  578.622135][ T7745] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  578.641969][ T7745] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  578.651242][ T7745] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  578.659263][ T7745] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  578.668036][ T7745] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  578.677279][ T7745] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  578.685796][ T7745] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  578.693909][ T7745]  </TASK>
[  578.702177][ T7745] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  578.753272][ T7745] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  578.765930][ T7745] CPU: 1 PID: 7745 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  578.777456][ T7745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  578.787967][ T7745] Call Trace:
[  578.791613][ T7745]  <TASK>
[  578.794570][ T7745]  dump_stack_lvl+0x125/0x1b0
[  578.799463][ T7745]  sysfs_warn_dup+0x7f/0xa0
[  578.804513][ T7745]  sysfs_create_dir_ns+0x247/0x2a0
[  578.809740][ T7745]  ? sysfs_create_mount_point+0xb0/0xb0
[  578.815317][ T7745]  ? spin_bug+0x1c0/0x1c0
[  578.819685][ T7745]  ? net_namespace+0x12/0x40
[  578.824302][ T7745]  ? device_namespace+0x8d/0xc0
[  578.829247][ T7745]  kobject_add_internal+0x2c8/0x960
[  578.834676][ T7745]  kobject_add+0x16f/0x240
[  578.839134][ T7745]  ? kset_create_and_add+0x190/0x190
[  578.844530][ T7745]  ? do_raw_spin_unlock+0x172/0x230
[  578.849837][ T7745]  ? kobject_put+0xbe/0x440
[  578.854358][ T7745]  ? device_add+0xc35/0x1aa0
[  578.859158][ T7745]  device_add+0x289/0x1aa0
[  578.863623][ T7745]  ? device_initialize+0x510/0x510
[  578.868752][ T7745]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  578.874942][ T7745]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  578.882193][ T7745]  ? __init_waitqueue_head+0xca/0x150
[  578.887863][ T7745]  netdev_register_kobject+0x183/0x3f0
[  578.893777][ T7745]  register_netdevice+0xbdf/0x14a0
[  578.899341][ T7745]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  578.905425][ T7745]  ? validate_linkmsg+0x6fc/0x9c0
[  578.910741][ T7745]  ? rtnl_create_link+0xa6d/0xfd0
[  578.915786][ T7745]  ? batadv_get_sset_count+0x40/0x40
[  578.921453][ T7745]  batadv_softif_newlink+0x70/0x90
[  578.926803][ T7745]  __rtnl_newlink+0x1173/0x1930
[  578.931952][ T7745]  ? rtnl_link_unregister+0x260/0x260
[  578.937480][ T7745]  rtnl_newlink+0x67/0xa0
[  578.941919][ T7745]  ? __rtnl_newlink+0x1930/0x1930
[  578.947126][ T7745]  rtnetlink_rcv_msg+0x3c7/0xe00
[  578.952072][ T7745]  ? rtnl_getlink+0xb40/0xb40
[  578.956933][ T7745]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  578.963110][ T7745]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  578.969453][ T7745]  ? __lock_acquire+0xc97/0x5dc0
[  578.974526][ T7745]  netlink_rcv_skb+0x16b/0x440
[  578.979338][ T7745]  ? rtnl_getlink+0xb40/0xb40
[  578.984401][ T7745]  ? netlink_ack+0x1370/0x1370
[  578.989297][ T7745]  ? lock_sync+0x180/0x180
[  578.993933][ T7745]  ? netlink_deliver_tap+0x1a0/0xd00
[  578.999278][ T7745]  ? _copy_from_iter+0x2c1/0x10f0
[  579.004529][ T7745]  netlink_unicast+0x53b/0x810
[  579.011674][ T7745]  ? netlink_attachskb+0x870/0x870
[  579.018234][ T7745]  ? __phys_addr_symbol+0x30/0x70
[  579.024302][ T7745]  ? __check_object_size+0x322/0x730
[  579.030110][ T7745]  netlink_sendmsg+0x939/0xe40
[  579.035645][ T7745]  ? netlink_unicast+0x810/0x810
[  579.041002][ T7745]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  579.053325][ T7745]  ? netlink_unicast+0x810/0x810
[  579.058758][ T7745]  __sock_sendmsg+0xd5/0x180
[  579.063655][ T7745]  ____sys_sendmsg+0x6ac/0x940
[  579.069333][ T7745]  ? copy_msghdr_from_user+0x10b/0x160
[  579.075187][ T7745]  ? kernel_sendmsg+0x50/0x50
[  579.081044][ T7745]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  579.087411][ T7745]  ___sys_sendmsg+0x135/0x1d0
[  579.092367][ T7745]  ? do_recvmmsg+0x740/0x740
[  579.097436][ T7745]  ? find_held_lock+0x2d/0x110
[  579.102431][ T7745]  ? preempt_count_sub+0x150/0x150
[  579.108316][ T7745]  ? __fget_light+0x1fa/0x260
[  579.113484][ T7745]  __sys_sendmsg+0x117/0x1e0
[  579.118294][ T7745]  ? __sys_sendmsg_sock+0x30/0x30
[  579.124652][ T7745]  ? syscall_enter_from_user_mode+0x26/0x80
[  579.131026][ T7745]  do_syscall_64+0x3f/0x110
[  579.135947][ T7745]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  579.142158][ T7745] RIP: 0033:0x7fa730b27eb9
[  579.147602][ T7745] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  579.169250][ T7745] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  579.178160][ T7745] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  579.187037][ T7745] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  579.196552][ T7745] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  579.205188][ T7745] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  579.214316][ T7745] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  579.223105][ T7745]  </TASK>
[  579.232951][ T7745] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  579.319023][ T7746] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  579.330726][ T7746] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  579.341869][ T7746] CPU: 0 PID: 7746 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  579.353465][ T7746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  579.363733][ T7746] Call Trace:
[  579.367117][ T7746]  <TASK>
[  579.370169][ T7746]  dump_stack_lvl+0x125/0x1b0
[  579.375069][ T7746]  sysfs_warn_dup+0x7f/0xa0
[  579.379704][ T7746]  sysfs_create_dir_ns+0x247/0x2a0
[  579.385206][ T7746]  ? sysfs_create_mount_point+0xb0/0xb0
[  579.390975][ T7746]  ? spin_bug+0x1c0/0x1c0
[  579.395360][ T7746]  ? net_namespace+0x12/0x40
[  579.400054][ T7746]  ? device_namespace+0x8d/0xc0
[  579.405044][ T7746]  kobject_add_internal+0x2c8/0x960
[  579.410325][ T7746]  kobject_add+0x16f/0x240
[  579.415014][ T7746]  ? kset_create_and_add+0x190/0x190
[  579.420702][ T7746]  ? do_raw_spin_unlock+0x172/0x230
[  579.426573][ T7746]  ? kobject_put+0xbe/0x440
[  579.431436][ T7746]  ? device_add+0xc35/0x1aa0
[  579.436663][ T7746]  device_add+0x289/0x1aa0
[  579.441468][ T7746]  ? device_initialize+0x510/0x510
[  579.446595][ T7746]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  579.452636][ T7746]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  579.459825][ T7746]  ? __init_waitqueue_head+0xca/0x150
[  579.465460][ T7746]  netdev_register_kobject+0x183/0x3f0
[  579.471155][ T7746]  register_netdevice+0xbdf/0x14a0
[  579.476331][ T7746]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  579.482449][ T7746]  ? team_nl_cmd_noop+0x280/0x280
[  579.488181][ T7746]  team_newlink+0x92/0x160
[  579.492832][ T7746]  ? team_nl_cmd_noop+0x280/0x280
[  579.498344][ T7746]  ? rtnl_create_link+0xa6d/0xfd0
[  579.503679][ T7746]  __rtnl_newlink+0x1173/0x1930
[  579.508881][ T7746]  ? rtnl_link_unregister+0x260/0x260
[  579.514336][ T7746]  rtnl_newlink+0x67/0xa0
[  579.519084][ T7746]  ? __rtnl_newlink+0x1930/0x1930
[  579.524500][ T7746]  rtnetlink_rcv_msg+0x3c7/0xe00
[  579.530116][ T7746]  ? rtnl_getlink+0xb40/0xb40
[  579.534847][ T7746]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  579.541169][ T7746]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  579.547478][ T7746]  ? __lock_acquire+0xc97/0x5dc0
[  579.552487][ T7746]  netlink_rcv_skb+0x16b/0x440
[  579.557388][ T7746]  ? rtnl_getlink+0xb40/0xb40
[  579.562179][ T7746]  ? netlink_ack+0x1370/0x1370
[  579.567163][ T7746]  ? lock_sync+0x180/0x180
[  579.571804][ T7746]  ? netlink_deliver_tap+0x1a0/0xd00
[  579.577119][ T7746]  ? _copy_from_iter+0x2c1/0x10f0
[  579.582462][ T7746]  netlink_unicast+0x53b/0x810
[  579.588003][ T7746]  ? netlink_attachskb+0x870/0x870
[  579.594040][ T7746]  ? __phys_addr_symbol+0x30/0x70
[  579.600335][ T7746]  ? __check_object_size+0x322/0x730
[  579.605662][ T7746]  netlink_sendmsg+0x939/0xe40
[  579.611281][ T7746]  ? netlink_unicast+0x810/0x810
[  579.616365][ T7746]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  579.621767][ T7746]  ? netlink_unicast+0x810/0x810
[  579.627387][ T7746]  __sock_sendmsg+0xd5/0x180
[  579.632199][ T7746]  ____sys_sendmsg+0x6ac/0x940
[  579.637170][ T7746]  ? copy_msghdr_from_user+0x10b/0x160
[  579.642755][ T7746]  ? kernel_sendmsg+0x50/0x50
[  579.647725][ T7746]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  579.653843][ T7746]  ___sys_sendmsg+0x135/0x1d0
[  579.658567][ T7746]  ? do_recvmmsg+0x740/0x740
[  579.663354][ T7746]  ? find_held_lock+0x2d/0x110
[  579.668198][ T7746]  ? preempt_count_sub+0x150/0x150
[  579.673840][ T7746]  ? __fget_light+0x1fa/0x260
[  579.678557][ T7746]  __sys_sendmsg+0x117/0x1e0
[  579.683359][ T7746]  ? __sys_sendmsg_sock+0x30/0x30
[  579.688601][ T7746]  ? syscall_enter_from_user_mode+0x26/0x80
[  579.694622][ T7746]  do_syscall_64+0x3f/0x110
[  579.699269][ T7746]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  579.705512][ T7746] RIP: 0033:0x7fa730b27eb9
[  579.710044][ T7746] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  579.731255][ T7746] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  579.741278][ T7746] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  579.750738][ T7746] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  579.760578][ T7746] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  579.769453][ T7746] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  579.778071][ T7746] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  579.786369][ T7746]  </TASK>
[  579.796688][ T7746] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  579.849105][ T7746] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  579.860587][ T7746] CPU: 1 PID: 7746 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  579.872129][ T7746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  579.882919][ T7746] Call Trace:
[  579.886563][ T7746]  <TASK>
[  579.889692][ T7746]  dump_stack_lvl+0x125/0x1b0
[  579.896517][ T7746]  sysfs_warn_dup+0x7f/0xa0
[  579.902761][ T7746]  sysfs_create_dir_ns+0x247/0x2a0
[  579.909091][ T7746]  ? sysfs_create_mount_point+0xb0/0xb0
[  579.915021][ T7746]  ? spin_bug+0x1c0/0x1c0
[  579.920722][ T7746]  ? net_namespace+0x12/0x40
[  579.929361][ T7746]  ? device_namespace+0x8d/0xc0
[  579.934979][ T7746]  kobject_add_internal+0x2c8/0x960
[  579.945981][ T7746]  kobject_add+0x16f/0x240
[  579.950894][ T7746]  ? kset_create_and_add+0x190/0x190
[  579.956453][ T7746]  ? do_raw_spin_unlock+0x172/0x230
[  579.961895][ T7746]  ? kobject_put+0xbe/0x440
[  579.968720][ T7746]  ? device_add+0xc35/0x1aa0
[  579.974719][ T7746]  device_add+0x289/0x1aa0
[  579.979999][ T7746]  ? device_initialize+0x510/0x510
[  579.986198][ T7746]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  579.994540][ T7746]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  580.003652][ T7746]  ? __init_waitqueue_head+0xca/0x150
[  580.011352][ T7746]  netdev_register_kobject+0x183/0x3f0
[  580.017619][ T7746]  register_netdevice+0xbdf/0x14a0
[  580.023166][ T7746]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  580.030079][ T7746]  ? validate_linkmsg+0x6fc/0x9c0
[  580.036133][ T7746]  ? rtnl_create_link+0xa6d/0xfd0
[  580.041668][ T7746]  ? batadv_get_sset_count+0x40/0x40
[  580.047345][ T7746]  batadv_softif_newlink+0x70/0x90
[  580.052772][ T7746]  __rtnl_newlink+0x1173/0x1930
[  580.058126][ T7746]  ? rtnl_link_unregister+0x260/0x260
[  580.063977][ T7746]  rtnl_newlink+0x67/0xa0
[  580.068700][ T7746]  ? __rtnl_newlink+0x1930/0x1930
[  580.073855][ T7746]  rtnetlink_rcv_msg+0x3c7/0xe00
[  580.079367][ T7746]  ? rtnl_getlink+0xb40/0xb40
[  580.084453][ T7746]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  580.090490][ T7746]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  580.096710][ T7746]  ? __lock_acquire+0xc97/0x5dc0
[  580.101976][ T7746]  netlink_rcv_skb+0x16b/0x440
[  580.108115][ T7746]  ? rtnl_getlink+0xb40/0xb40
[  580.112833][ T7746]  ? netlink_ack+0x1370/0x1370
[  580.118334][ T7746]  ? lock_sync+0x180/0x180
[  580.122818][ T7746]  ? netlink_deliver_tap+0x1a0/0xd00
[  580.129128][ T7746]  ? _copy_from_iter+0x2c1/0x10f0
[  580.134223][ T7746]  netlink_unicast+0x53b/0x810
[  580.140101][ T7746]  ? netlink_attachskb+0x870/0x870
[  580.145620][ T7746]  ? __phys_addr_symbol+0x30/0x70
[  580.151072][ T7746]  ? __check_object_size+0x322/0x730
[  580.157973][ T7746]  netlink_sendmsg+0x939/0xe40
[  580.162836][ T7746]  ? netlink_unicast+0x810/0x810
[  580.168258][ T7746]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  580.174030][ T7746]  ? netlink_unicast+0x810/0x810
[  580.179298][ T7746]  __sock_sendmsg+0xd5/0x180
[  580.184213][ T7746]  ____sys_sendmsg+0x6ac/0x940
[  580.189292][ T7746]  ? copy_msghdr_from_user+0x10b/0x160
[  580.194912][ T7746]  ? kernel_sendmsg+0x50/0x50
[  580.200243][ T7746]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  580.206656][ T7746]  ___sys_sendmsg+0x135/0x1d0
[  580.212059][ T7746]  ? do_recvmmsg+0x740/0x740
[  580.216890][ T7746]  ? find_held_lock+0x2d/0x110
[  580.222005][ T7746]  ? preempt_count_sub+0x150/0x150
[  580.227980][ T7746]  ? __fget_light+0x1fa/0x260
[  580.233419][ T7746]  __sys_sendmsg+0x117/0x1e0
[  580.238141][ T7746]  ? __sys_sendmsg_sock+0x30/0x30
[  580.243580][ T7746]  ? syscall_enter_from_user_mode+0x26/0x80
[  580.249709][ T7746]  do_syscall_64+0x3f/0x110
[  580.254340][ T7746]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  580.261587][ T7746] RIP: 0033:0x7fa730b27eb9
[  580.266951][ T7746] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  580.287380][ T7746] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  580.296718][ T7746] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  580.304986][ T7746] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  580.313430][ T7746] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  580.323446][ T7746] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  580.332227][ T7746] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  580.340426][ T7746]  </TASK>
[  580.348997][ T7746] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  580.413631][ T7747] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  580.429208][ T7747] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  580.439101][ T7747] CPU: 1 PID: 7747 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  580.451121][ T7747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  580.461870][ T7747] Call Trace:
[  580.465401][ T7747]  <TASK>
[  580.468394][ T7747]  dump_stack_lvl+0x125/0x1b0
[  580.473328][ T7747]  sysfs_warn_dup+0x7f/0xa0
[  580.478229][ T7747]  sysfs_create_dir_ns+0x247/0x2a0
[  580.483397][ T7747]  ? sysfs_create_mount_point+0xb0/0xb0
[  580.489415][ T7747]  ? spin_bug+0x1c0/0x1c0
[  580.493799][ T7747]  ? net_namespace+0x12/0x40
[  580.498509][ T7747]  ? device_namespace+0x8d/0xc0
[  580.503821][ T7747]  kobject_add_internal+0x2c8/0x960
[  580.509441][ T7747]  kobject_add+0x16f/0x240
[  580.514645][ T7747]  ? kset_create_and_add+0x190/0x190
[  580.520602][ T7747]  ? do_raw_spin_unlock+0x172/0x230
[  580.526118][ T7747]  ? kobject_put+0xbe/0x440
[  580.530931][ T7747]  ? device_add+0xc35/0x1aa0
[  580.535887][ T7747]  device_add+0x289/0x1aa0
[  580.540368][ T7747]  ? device_initialize+0x510/0x510
[  580.545788][ T7747]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  580.551630][ T7747]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  580.558552][ T7747]  ? __init_waitqueue_head+0xca/0x150
[  580.564236][ T7747]  netdev_register_kobject+0x183/0x3f0
[  580.569825][ T7747]  register_netdevice+0xbdf/0x14a0
[  580.575329][ T7747]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  580.581695][ T7747]  ? team_nl_cmd_noop+0x280/0x280
[  580.587372][ T7747]  team_newlink+0x92/0x160
[  580.592009][ T7747]  ? team_nl_cmd_noop+0x280/0x280
[  580.597371][ T7747]  ? rtnl_create_link+0xa6d/0xfd0
[  580.602443][ T7747]  __rtnl_newlink+0x1173/0x1930
[  580.607765][ T7747]  ? rtnl_link_unregister+0x260/0x260
[  580.613330][ T7747]  rtnl_newlink+0x67/0xa0
[  580.617708][ T7747]  ? __rtnl_newlink+0x1930/0x1930
[  580.623030][ T7747]  rtnetlink_rcv_msg+0x3c7/0xe00
[  580.628529][ T7747]  ? rtnl_getlink+0xb40/0xb40
[  580.633407][ T7747]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  580.640032][ T7747]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  580.646111][ T7747]  ? __lock_acquire+0xc97/0x5dc0
[  580.651349][ T7747]  netlink_rcv_skb+0x16b/0x440
[  580.656159][ T7747]  ? rtnl_getlink+0xb40/0xb40
[  580.662456][ T7747]  ? netlink_ack+0x1370/0x1370
[  580.670157][ T7747]  ? lock_sync+0x180/0x180
[  580.676293][ T7747]  ? netlink_deliver_tap+0x1a0/0xd00
[  580.682164][ T7747]  ? _copy_from_iter+0x2c1/0x10f0
[  580.687670][ T7747]  netlink_unicast+0x53b/0x810
[  580.692674][ T7747]  ? netlink_attachskb+0x870/0x870
[  580.698014][ T7747]  ? __phys_addr_symbol+0x30/0x70
[  580.703220][ T7747]  ? __check_object_size+0x322/0x730
[  580.708829][ T7747]  netlink_sendmsg+0x939/0xe40
[  580.714087][ T7747]  ? netlink_unicast+0x810/0x810
[  580.719172][ T7747]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  580.724595][ T7747]  ? netlink_unicast+0x810/0x810
[  580.729840][ T7747]  __sock_sendmsg+0xd5/0x180
[  580.734687][ T7747]  ____sys_sendmsg+0x6ac/0x940
[  580.739835][ T7747]  ? copy_msghdr_from_user+0x10b/0x160
[  580.745328][ T7747]  ? kernel_sendmsg+0x50/0x50
[  580.750230][ T7747]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  580.756454][ T7747]  ___sys_sendmsg+0x135/0x1d0
[  580.761251][ T7747]  ? do_recvmmsg+0x740/0x740
[  580.767608][ T7747]  ? find_held_lock+0x2d/0x110
[  580.772761][ T7747]  ? preempt_count_sub+0x150/0x150
[  580.778457][ T7747]  ? __fget_light+0x1fa/0x260
[  580.783220][ T7747]  __sys_sendmsg+0x117/0x1e0
[  580.787948][ T7747]  ? __sys_sendmsg_sock+0x30/0x30
[  580.793117][ T7747]  ? syscall_enter_from_user_mode+0x26/0x80
[  580.799047][ T7747]  do_syscall_64+0x3f/0x110
[  580.803856][ T7747]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  580.809880][ T7747] RIP: 0033:0x7fa730b27eb9
[  580.814335][ T7747] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  580.834248][ T7747] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  580.842773][ T7747] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  580.850766][ T7747] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  580.858759][ T7747] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  580.867057][ T7747] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  580.875762][ T7747] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  580.885271][ T7747]  </TASK>
[  580.897061][ T7747] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  580.931440][ T7747] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  580.942890][ T7747] CPU: 1 PID: 7747 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  580.956472][ T7747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  580.967195][ T7747] Call Trace:
[  580.970763][ T7747]  <TASK>
[  580.973809][ T7747]  dump_stack_lvl+0x125/0x1b0
[  580.978525][ T7747]  sysfs_warn_dup+0x7f/0xa0
[  580.983140][ T7747]  sysfs_create_dir_ns+0x247/0x2a0
[  580.989335][ T7747]  ? sysfs_create_mount_point+0xb0/0xb0
[  580.997517][ T7747]  ? spin_bug+0x1c0/0x1c0
[  581.002380][ T7747]  ? net_namespace+0x12/0x40
[  581.007376][ T7747]  ? device_namespace+0x8d/0xc0
[  581.012942][ T7747]  kobject_add_internal+0x2c8/0x960
[  581.018770][ T7747]  kobject_add+0x16f/0x240
[  581.023630][ T7747]  ? kset_create_and_add+0x190/0x190
[  581.031674][ T7747]  ? do_raw_spin_unlock+0x172/0x230
[  581.037145][ T7747]  ? kobject_put+0xbe/0x440
[  581.041783][ T7747]  ? device_add+0xc35/0x1aa0
[  581.046580][ T7747]  device_add+0x289/0x1aa0
[  581.051110][ T7747]  ? device_initialize+0x510/0x510
[  581.056541][ T7747]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  581.062640][ T7747]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  581.069940][ T7747]  ? __init_waitqueue_head+0xca/0x150
[  581.075474][ T7747]  netdev_register_kobject+0x183/0x3f0
[  581.081341][ T7747]  register_netdevice+0xbdf/0x14a0
[  581.086749][ T7747]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  581.092765][ T7747]  ? validate_linkmsg+0x6fc/0x9c0
[  581.098094][ T7747]  ? rtnl_create_link+0xa6d/0xfd0
[  581.103339][ T7747]  ? batadv_get_sset_count+0x40/0x40
[  581.108764][ T7747]  batadv_softif_newlink+0x70/0x90
[  581.114263][ T7747]  __rtnl_newlink+0x1173/0x1930
[  581.119358][ T7747]  ? rtnl_link_unregister+0x260/0x260
[  581.125250][ T7747]  rtnl_newlink+0x67/0xa0
[  581.129978][ T7747]  ? __rtnl_newlink+0x1930/0x1930
[  581.136081][ T7747]  rtnetlink_rcv_msg+0x3c7/0xe00
[  581.141161][ T7747]  ? rtnl_getlink+0xb40/0xb40
[  581.145861][ T7747]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  581.152310][ T7747]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  581.158776][ T7747]  ? __lock_acquire+0xc97/0x5dc0
[  581.163943][ T7747]  netlink_rcv_skb+0x16b/0x440
[  581.169130][ T7747]  ? rtnl_getlink+0xb40/0xb40
[  581.174017][ T7747]  ? netlink_ack+0x1370/0x1370
[  581.179088][ T7747]  ? lock_sync+0x180/0x180
[  581.183758][ T7747]  ? netlink_deliver_tap+0x1a0/0xd00
[  581.189157][ T7747]  ? _copy_from_iter+0x2c1/0x10f0
[  581.194509][ T7747]  netlink_unicast+0x53b/0x810
[  581.199337][ T7747]  ? netlink_attachskb+0x870/0x870
[  581.205026][ T7747]  ? __phys_addr_symbol+0x30/0x70
[  581.210421][ T7747]  ? __check_object_size+0x322/0x730
[  581.216173][ T7747]  netlink_sendmsg+0x939/0xe40
[  581.221450][ T7747]  ? netlink_unicast+0x810/0x810
[  581.226554][ T7747]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  581.232013][ T7747]  ? netlink_unicast+0x810/0x810
[  581.237379][ T7747]  __sock_sendmsg+0xd5/0x180
[  581.242629][ T7747]  ____sys_sendmsg+0x6ac/0x940
[  581.247968][ T7747]  ? copy_msghdr_from_user+0x10b/0x160
[  581.253744][ T7747]  ? kernel_sendmsg+0x50/0x50
[  581.259249][ T7747]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  581.266023][ T7747]  ___sys_sendmsg+0x135/0x1d0
[  581.271121][ T7747]  ? do_recvmmsg+0x740/0x740
[  581.276572][ T7747]  ? find_held_lock+0x2d/0x110
[  581.281671][ T7747]  ? preempt_count_sub+0x150/0x150
[  581.286920][ T7747]  ? __fget_light+0x1fa/0x260
[  581.291640][ T7747]  __sys_sendmsg+0x117/0x1e0
[  581.296263][ T7747]  ? __sys_sendmsg_sock+0x30/0x30
[  581.301438][ T7747]  ? syscall_enter_from_user_mode+0x26/0x80
[  581.307641][ T7747]  do_syscall_64+0x3f/0x110
[  581.312276][ T7747]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  581.318459][ T7747] RIP: 0033:0x7fa730b27eb9
[  581.323067][ T7747] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  581.345155][ T7747] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  581.353784][ T7747] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  581.361869][ T7747] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  581.369955][ T7747] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  581.378064][ T7747] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  581.386383][ T7747] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  581.394486][ T7747]  </TASK>
[  581.421665][ T7747] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  581.556625][ T7748] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  581.569762][ T7748] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  581.581126][ T7748] CPU: 0 PID: 7748 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  581.593098][ T7748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  581.603350][ T7748] Call Trace:
[  581.606767][ T7748]  <TASK>
[  581.609815][ T7748]  dump_stack_lvl+0x125/0x1b0
[  581.614548][ T7748]  sysfs_warn_dup+0x7f/0xa0
[  581.619175][ T7748]  sysfs_create_dir_ns+0x247/0x2a0
[  581.624701][ T7748]  ? sysfs_create_mount_point+0xb0/0xb0
[  581.630536][ T7748]  ? spin_bug+0x1c0/0x1c0
[  581.635168][ T7748]  ? net_namespace+0x12/0x40
[  581.639803][ T7748]  ? device_namespace+0x8d/0xc0
[  581.644718][ T7748]  kobject_add_internal+0x2c8/0x960
[  581.649968][ T7748]  kobject_add+0x16f/0x240
[  581.654509][ T7748]  ? kset_create_and_add+0x190/0x190
[  581.660014][ T7748]  ? do_raw_spin_unlock+0x172/0x230
[  581.665448][ T7748]  ? kobject_put+0xbe/0x440
[  581.670185][ T7748]  ? device_add+0xc35/0x1aa0
[  581.674820][ T7748]  device_add+0x289/0x1aa0
[  581.679271][ T7748]  ? device_initialize+0x510/0x510
[  581.684402][ T7748]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  581.690255][ T7748]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  581.697328][ T7748]  ? __init_waitqueue_head+0xca/0x150
[  581.702753][ T7748]  netdev_register_kobject+0x183/0x3f0
[  581.708419][ T7748]  register_netdevice+0xbdf/0x14a0
[  581.713830][ T7748]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  581.719842][ T7748]  ? team_nl_cmd_noop+0x280/0x280
[  581.724898][ T7748]  team_newlink+0x92/0x160
[  581.729442][ T7748]  ? team_nl_cmd_noop+0x280/0x280
[  581.734492][ T7748]  ? rtnl_create_link+0xa6d/0xfd0
[  581.739886][ T7748]  __rtnl_newlink+0x1173/0x1930
[  581.744833][ T7748]  ? rtnl_link_unregister+0x260/0x260
[  581.750746][ T7748]  rtnl_newlink+0x67/0xa0
[  581.755291][ T7748]  ? __rtnl_newlink+0x1930/0x1930
[  581.760355][ T7748]  rtnetlink_rcv_msg+0x3c7/0xe00
[  581.765415][ T7748]  ? rtnl_getlink+0xb40/0xb40
[  581.770119][ T7748]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  581.776135][ T7748]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  581.782149][ T7748]  ? __lock_acquire+0xc97/0x5dc0
[  581.787218][ T7748]  netlink_rcv_skb+0x16b/0x440
[  581.792096][ T7748]  ? rtnl_getlink+0xb40/0xb40
[  581.796800][ T7748]  ? netlink_ack+0x1370/0x1370
[  581.801586][ T7748]  ? lock_sync+0x180/0x180
[  581.806084][ T7748]  ? netlink_deliver_tap+0x1a0/0xd00
[  581.811395][ T7748]  ? _copy_from_iter+0x2c1/0x10f0
[  581.816733][ T7748]  netlink_unicast+0x53b/0x810
[  581.821530][ T7748]  ? netlink_attachskb+0x870/0x870
[  581.826779][ T7748]  ? __phys_addr_symbol+0x30/0x70
[  581.831943][ T7748]  ? __check_object_size+0x322/0x730
[  581.837352][ T7748]  netlink_sendmsg+0x939/0xe40
[  581.842177][ T7748]  ? netlink_unicast+0x810/0x810
[  581.847151][ T7748]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  581.852654][ T7748]  ? netlink_unicast+0x810/0x810
[  581.857659][ T7748]  __sock_sendmsg+0xd5/0x180
[  581.862297][ T7748]  ____sys_sendmsg+0x6ac/0x940
[  581.867282][ T7748]  ? copy_msghdr_from_user+0x10b/0x160
[  581.872776][ T7748]  ? kernel_sendmsg+0x50/0x50
[  581.877587][ T7748]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  581.883651][ T7748]  ___sys_sendmsg+0x135/0x1d0
[  581.888382][ T7748]  ? do_recvmmsg+0x740/0x740
[  581.893006][ T7748]  ? find_held_lock+0x2d/0x110
[  581.897840][ T7748]  ? preempt_count_sub+0x150/0x150
[  581.903369][ T7748]  ? __fget_light+0x1fa/0x260
[  581.908369][ T7748]  __sys_sendmsg+0x117/0x1e0
[  581.913109][ T7748]  ? __sys_sendmsg_sock+0x30/0x30
[  581.918366][ T7748]  ? syscall_enter_from_user_mode+0x26/0x80
[  581.924662][ T7748]  do_syscall_64+0x3f/0x110
[  581.929289][ T7748]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  581.935589][ T7748] RIP: 0033:0x7fa730b27eb9
[  581.940219][ T7748] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  581.959956][ T7748] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  581.968581][ T7748] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  581.976670][ T7748] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  581.985119][ T7748] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  581.993205][ T7748] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  582.001564][ T7748] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  582.009771][ T7748]  </TASK>
[  582.019222][ T7748] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  582.055086][ T7748] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  582.064752][ T7748] CPU: 0 PID: 7748 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  582.076508][ T7748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  582.087034][ T7748] Call Trace:
[  582.090511][ T7748]  <TASK>
[  582.094162][ T7748]  dump_stack_lvl+0x125/0x1b0
[  582.098882][ T7748]  sysfs_warn_dup+0x7f/0xa0
[  582.103601][ T7748]  sysfs_create_dir_ns+0x247/0x2a0
[  582.108831][ T7748]  ? sysfs_create_mount_point+0xb0/0xb0
[  582.114493][ T7748]  ? spin_bug+0x1c0/0x1c0
[  582.119131][ T7748]  ? net_namespace+0x12/0x40
[  582.124004][ T7748]  ? device_namespace+0x8d/0xc0
[  582.129137][ T7748]  kobject_add_internal+0x2c8/0x960
[  582.134360][ T7748]  kobject_add+0x16f/0x240
[  582.139163][ T7748]  ? kset_create_and_add+0x190/0x190
[  582.144557][ T7748]  ? do_raw_spin_unlock+0x172/0x230
[  582.149795][ T7748]  ? kobject_put+0xbe/0x440
[  582.154400][ T7748]  ? device_add+0xc35/0x1aa0
[  582.159006][ T7748]  device_add+0x289/0x1aa0
[  582.163795][ T7748]  ? device_initialize+0x510/0x510
[  582.169261][ T7748]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  582.175169][ T7748]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  582.182253][ T7748]  ? __init_waitqueue_head+0xca/0x150
[  582.187677][ T7748]  netdev_register_kobject+0x183/0x3f0
[  582.193269][ T7748]  register_netdevice+0xbdf/0x14a0
[  582.198610][ T7748]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  582.204865][ T7748]  ? validate_linkmsg+0x6fc/0x9c0
[  582.209930][ T7748]  ? rtnl_create_link+0xa6d/0xfd0
[  582.215441][ T7748]  ? batadv_get_sset_count+0x40/0x40
[  582.220771][ T7748]  batadv_softif_newlink+0x70/0x90
[  582.226054][ T7748]  __rtnl_newlink+0x1173/0x1930
[  582.231027][ T7748]  ? rtnl_link_unregister+0x260/0x260
[  582.236872][ T7748]  rtnl_newlink+0x67/0xa0
[  582.241221][ T7748]  ? __rtnl_newlink+0x1930/0x1930
[  582.246464][ T7748]  rtnetlink_rcv_msg+0x3c7/0xe00
[  582.251512][ T7748]  ? rtnl_getlink+0xb40/0xb40
[  582.256199][ T7748]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  582.262432][ T7748]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  582.268689][ T7748]  ? __lock_acquire+0xc97/0x5dc0
[  582.273771][ T7748]  netlink_rcv_skb+0x16b/0x440
[  582.278677][ T7748]  ? rtnl_getlink+0xb40/0xb40
[  582.283386][ T7748]  ? netlink_ack+0x1370/0x1370
[  582.288268][ T7748]  ? lock_sync+0x180/0x180
[  582.292993][ T7748]  ? netlink_deliver_tap+0x1a0/0xd00
[  582.298387][ T7748]  ? _copy_from_iter+0x2c1/0x10f0
[  582.303957][ T7748]  netlink_unicast+0x53b/0x810
[  582.308850][ T7748]  ? netlink_attachskb+0x870/0x870
[  582.313975][ T7748]  ? __phys_addr_symbol+0x30/0x70
[  582.319105][ T7748]  ? __check_object_size+0x322/0x730
[  582.324866][ T7748]  netlink_sendmsg+0x939/0xe40
[  582.329741][ T7748]  ? netlink_unicast+0x810/0x810
[  582.334957][ T7748]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  582.340429][ T7748]  ? netlink_unicast+0x810/0x810
[  582.345464][ T7748]  __sock_sendmsg+0xd5/0x180
[  582.350155][ T7748]  ____sys_sendmsg+0x6ac/0x940
[  582.354941][ T7748]  ? copy_msghdr_from_user+0x10b/0x160
[  582.361118][ T7748]  ? kernel_sendmsg+0x50/0x50
[  582.365897][ T7748]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  582.372164][ T7748]  ___sys_sendmsg+0x135/0x1d0
[  582.377047][ T7748]  ? do_recvmmsg+0x740/0x740
[  582.381734][ T7748]  ? find_held_lock+0x2d/0x110
[  582.386519][ T7748]  ? preempt_count_sub+0x150/0x150
[  582.391739][ T7748]  ? __fget_light+0x1fa/0x260
[  582.396438][ T7748]  __sys_sendmsg+0x117/0x1e0
[  582.401097][ T7748]  ? __sys_sendmsg_sock+0x30/0x30
[  582.406151][ T7748]  ? syscall_enter_from_user_mode+0x26/0x80
[  582.412321][ T7748]  do_syscall_64+0x3f/0x110
[  582.417019][ T7748]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  582.422933][ T7748] RIP: 0033:0x7fa730b27eb9
[  582.427358][ T7748] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  582.447587][ T7748] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  582.456216][ T7748] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  582.464638][ T7748] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  582.472629][ T7748] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  582.480721][ T7748] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  582.489236][ T7748] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  582.497255][ T7748]  </TASK>
[  582.505730][ T7748] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  582.599445][ T7749] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  582.611159][ T7749] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  582.620980][ T7749] CPU: 1 PID: 7749 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  582.632916][ T7749] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  582.643532][ T7749] Call Trace:
[  582.646826][ T7749]  <TASK>
[  582.649760][ T7749]  dump_stack_lvl+0x125/0x1b0
[  582.654917][ T7749]  sysfs_warn_dup+0x7f/0xa0
[  582.659637][ T7749]  sysfs_create_dir_ns+0x247/0x2a0
[  582.664883][ T7749]  ? sysfs_create_mount_point+0xb0/0xb0
[  582.670800][ T7749]  ? spin_bug+0x1c0/0x1c0
[  582.675270][ T7749]  ? net_namespace+0x12/0x40
[  582.679995][ T7749]  ? device_namespace+0x8d/0xc0
[  582.684906][ T7749]  kobject_add_internal+0x2c8/0x960
[  582.690248][ T7749]  kobject_add+0x16f/0x240
[  582.694689][ T7749]  ? kset_create_and_add+0x190/0x190
[  582.700184][ T7749]  ? do_raw_spin_unlock+0x172/0x230
[  582.705430][ T7749]  ? kobject_put+0xbe/0x440
[  582.710670][ T7749]  ? device_add+0xc35/0x1aa0
[  582.715285][ T7749]  device_add+0x289/0x1aa0
[  582.719891][ T7749]  ? device_initialize+0x510/0x510
[  582.725008][ T7749]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  582.730939][ T7749]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  582.737912][ T7749]  ? __init_waitqueue_head+0xca/0x150
[  582.743427][ T7749]  netdev_register_kobject+0x183/0x3f0
[  582.749017][ T7749]  register_netdevice+0xbdf/0x14a0
[  582.754249][ T7749]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  582.760340][ T7749]  ? team_nl_cmd_noop+0x280/0x280
[  582.765388][ T7749]  team_newlink+0x92/0x160
[  582.769827][ T7749]  ? team_nl_cmd_noop+0x280/0x280
[  582.774920][ T7749]  ? rtnl_create_link+0xa6d/0xfd0
[  582.780085][ T7749]  __rtnl_newlink+0x1173/0x1930
[  582.785158][ T7749]  ? rtnl_link_unregister+0x260/0x260
[  582.790667][ T7749]  rtnl_newlink+0x67/0xa0
[  582.795094][ T7749]  ? __rtnl_newlink+0x1930/0x1930
[  582.800301][ T7749]  rtnetlink_rcv_msg+0x3c7/0xe00
[  582.805250][ T7749]  ? rtnl_getlink+0xb40/0xb40
[  582.809932][ T7749]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  582.815929][ T7749]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  582.821931][ T7749]  ? __lock_acquire+0xc97/0x5dc0
[  582.826897][ T7749]  netlink_rcv_skb+0x16b/0x440
[  582.831678][ T7749]  ? rtnl_getlink+0xb40/0xb40
[  582.836486][ T7749]  ? netlink_ack+0x1370/0x1370
[  582.841392][ T7749]  ? lock_sync+0x180/0x180
[  582.845933][ T7749]  ? netlink_deliver_tap+0x1a0/0xd00
[  582.851418][ T7749]  ? _copy_from_iter+0x2c1/0x10f0
[  582.856471][ T7749]  netlink_unicast+0x53b/0x810
[  582.861342][ T7749]  ? netlink_attachskb+0x870/0x870
[  582.866730][ T7749]  ? __phys_addr_symbol+0x30/0x70
[  582.871796][ T7749]  ? __check_object_size+0x322/0x730
[  582.877093][ T7749]  netlink_sendmsg+0x939/0xe40
[  582.881877][ T7749]  ? netlink_unicast+0x810/0x810
[  582.886831][ T7749]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  582.892129][ T7749]  ? netlink_unicast+0x810/0x810
[  582.897081][ T7749]  __sock_sendmsg+0xd5/0x180
[  582.901788][ T7749]  ____sys_sendmsg+0x6ac/0x940
[  582.906563][ T7749]  ? copy_msghdr_from_user+0x10b/0x160
[  582.912069][ T7749]  ? kernel_sendmsg+0x50/0x50
[  582.916872][ T7749]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  582.923240][ T7749]  ___sys_sendmsg+0x135/0x1d0
[  582.927959][ T7749]  ? do_recvmmsg+0x740/0x740
[  582.932620][ T7749]  ? find_held_lock+0x2d/0x110
[  582.937407][ T7749]  ? preempt_count_sub+0x150/0x150
[  582.942861][ T7749]  ? __fget_light+0x1fa/0x260
[  582.947591][ T7749]  __sys_sendmsg+0x117/0x1e0
[  582.952392][ T7749]  ? __sys_sendmsg_sock+0x30/0x30
[  582.957647][ T7749]  ? syscall_enter_from_user_mode+0x26/0x80
[  582.964712][ T7749]  do_syscall_64+0x3f/0x110
[  582.969266][ T7749]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  582.975499][ T7749] RIP: 0033:0x7fa730b27eb9
[  582.980132][ T7749] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  582.999853][ T7749] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  583.009637][ T7749] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  583.017717][ T7749] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  583.026318][ T7749] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  583.035192][ T7749] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  583.043375][ T7749] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  583.051381][ T7749]  </TASK>
[  583.063741][ T7749] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  583.093708][ T7749] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  583.103786][ T7749] CPU: 1 PID: 7749 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  583.115553][ T7749] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  583.125906][ T7749] Call Trace:
[  583.129343][ T7749]  <TASK>
[  583.132330][ T7749]  dump_stack_lvl+0x125/0x1b0
[  583.137255][ T7749]  sysfs_warn_dup+0x7f/0xa0
[  583.141815][ T7749]  sysfs_create_dir_ns+0x247/0x2a0
[  583.146981][ T7749]  ? sysfs_create_mount_point+0xb0/0xb0
[  583.152827][ T7749]  ? spin_bug+0x1c0/0x1c0
[  583.157213][ T7749]  ? net_namespace+0x12/0x40
[  583.161839][ T7749]  ? device_namespace+0x8d/0xc0
[  583.166831][ T7749]  kobject_add_internal+0x2c8/0x960
[  583.172185][ T7749]  kobject_add+0x16f/0x240
[  583.177015][ T7749]  ? kset_create_and_add+0x190/0x190
[  583.182450][ T7749]  ? do_raw_spin_unlock+0x172/0x230
[  583.187884][ T7749]  ? kobject_put+0xbe/0x440
[  583.192706][ T7749]  ? device_add+0xc35/0x1aa0
[  583.197878][ T7749]  device_add+0x289/0x1aa0
[  583.202438][ T7749]  ? device_initialize+0x510/0x510
[  583.207859][ T7749]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  583.214181][ T7749]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  583.221118][ T7749]  ? __init_waitqueue_head+0xca/0x150
[  583.226980][ T7749]  netdev_register_kobject+0x183/0x3f0
[  583.232591][ T7749]  register_netdevice+0xbdf/0x14a0
[  583.238109][ T7749]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  583.244263][ T7749]  ? validate_linkmsg+0x6fc/0x9c0
[  583.249616][ T7749]  ? rtnl_create_link+0xa6d/0xfd0
[  583.254704][ T7749]  ? batadv_get_sset_count+0x40/0x40
[  583.260424][ T7749]  batadv_softif_newlink+0x70/0x90
[  583.265674][ T7749]  __rtnl_newlink+0x1173/0x1930
[  583.270582][ T7749]  ? rtnl_link_unregister+0x260/0x260
[  583.276125][ T7749]  rtnl_newlink+0x67/0xa0
[  583.280579][ T7749]  ? __rtnl_newlink+0x1930/0x1930
[  583.286086][ T7749]  rtnetlink_rcv_msg+0x3c7/0xe00
[  583.291233][ T7749]  ? rtnl_getlink+0xb40/0xb40
[  583.296019][ T7749]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  583.302294][ T7749]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  583.308403][ T7749]  ? __lock_acquire+0xc97/0x5dc0
[  583.313471][ T7749]  netlink_rcv_skb+0x16b/0x440
[  583.318296][ T7749]  ? rtnl_getlink+0xb40/0xb40
[  583.323003][ T7749]  ? netlink_ack+0x1370/0x1370
[  583.327879][ T7749]  ? lock_sync+0x180/0x180
[  583.332349][ T7749]  ? netlink_deliver_tap+0x1a0/0xd00
[  583.337680][ T7749]  ? _copy_from_iter+0x2c1/0x10f0
[  583.342866][ T7749]  netlink_unicast+0x53b/0x810
[  583.347710][ T7749]  ? netlink_attachskb+0x870/0x870
[  583.352968][ T7749]  ? __phys_addr_symbol+0x30/0x70
[  583.358047][ T7749]  ? __check_object_size+0x322/0x730
[  583.363467][ T7749]  netlink_sendmsg+0x939/0xe40
[  583.368456][ T7749]  ? netlink_unicast+0x810/0x810
[  583.373913][ T7749]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  583.379244][ T7749]  ? netlink_unicast+0x810/0x810
[  583.384227][ T7749]  __sock_sendmsg+0xd5/0x180
[  583.388848][ T7749]  ____sys_sendmsg+0x6ac/0x940
[  583.393746][ T7749]  ? copy_msghdr_from_user+0x10b/0x160
[  583.399452][ T7749]  ? kernel_sendmsg+0x50/0x50
[  583.404187][ T7749]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  583.410407][ T7749]  ___sys_sendmsg+0x135/0x1d0
[  583.415143][ T7749]  ? do_recvmmsg+0x740/0x740
[  583.419767][ T7749]  ? find_held_lock+0x2d/0x110
[  583.424663][ T7749]  ? preempt_count_sub+0x150/0x150
[  583.429998][ T7749]  ? __fget_light+0x1fa/0x260
[  583.434821][ T7749]  __sys_sendmsg+0x117/0x1e0
[  583.439908][ T7749]  ? __sys_sendmsg_sock+0x30/0x30
[  583.444997][ T7749]  ? syscall_enter_from_user_mode+0x26/0x80
[  583.450935][ T7749]  do_syscall_64+0x3f/0x110
[  583.455490][ T7749]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  583.461423][ T7749] RIP: 0033:0x7fa730b27eb9
[  583.465945][ T7749] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  583.486107][ T7749] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  583.494714][ T7749] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  583.502701][ T7749] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  583.510766][ T7749] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  583.519461][ T7749] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  583.527556][ T7749] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  583.535724][ T7749]  </TASK>
[  583.542038][ T7749] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  583.636244][ T7750] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  583.649490][ T7750] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  583.661885][ T7750] CPU: 0 PID: 7750 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  583.674384][ T7750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  583.684917][ T7750] Call Trace:
[  583.688330][ T7750]  <TASK>
[  583.691387][ T7750]  dump_stack_lvl+0x125/0x1b0
[  583.696300][ T7750]  sysfs_warn_dup+0x7f/0xa0
[  583.700922][ T7750]  sysfs_create_dir_ns+0x247/0x2a0
[  583.711119][ T7750]  ? sysfs_create_mount_point+0xb0/0xb0
[  583.716977][ T7750]  ? spin_bug+0x1c0/0x1c0
[  583.721363][ T7750]  ? net_namespace+0x12/0x40
[  583.726009][ T7750]  ? device_namespace+0x8d/0xc0
[  583.730919][ T7750]  kobject_add_internal+0x2c8/0x960
[  583.736350][ T7750]  kobject_add+0x16f/0x240
[  583.740886][ T7750]  ? kset_create_and_add+0x190/0x190
[  583.746196][ T7750]  ? do_raw_spin_unlock+0x172/0x230
[  583.751539][ T7750]  ? kobject_put+0xbe/0x440
[  583.756064][ T7750]  ? device_add+0xc35/0x1aa0
[  583.760676][ T7750]  device_add+0x289/0x1aa0
[  583.765196][ T7750]  ? device_initialize+0x510/0x510
[  583.770367][ T7750]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  583.776203][ T7750]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  583.783241][ T7750]  ? __init_waitqueue_head+0xca/0x150
[  583.788703][ T7750]  netdev_register_kobject+0x183/0x3f0
[  583.794181][ T7750]  register_netdevice+0xbdf/0x14a0
[  583.799740][ T7750]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  583.805649][ T7750]  ? team_nl_cmd_noop+0x280/0x280
[  583.810771][ T7750]  team_newlink+0x92/0x160
[  583.815200][ T7750]  ? team_nl_cmd_noop+0x280/0x280
[  583.820231][ T7750]  ? rtnl_create_link+0xa6d/0xfd0
[  583.825366][ T7750]  __rtnl_newlink+0x1173/0x1930
[  583.830246][ T7750]  ? rtnl_link_unregister+0x260/0x260
[  583.835775][ T7750]  rtnl_newlink+0x67/0xa0
[  583.840223][ T7750]  ? __rtnl_newlink+0x1930/0x1930
[  583.845268][ T7750]  rtnetlink_rcv_msg+0x3c7/0xe00
[  583.850222][ T7750]  ? rtnl_getlink+0xb40/0xb40
[  583.855087][ T7750]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  583.861081][ T7750]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  583.867263][ T7750]  ? __lock_acquire+0xc97/0x5dc0
[  583.872407][ T7750]  netlink_rcv_skb+0x16b/0x440
[  583.877468][ T7750]  ? rtnl_getlink+0xb40/0xb40
[  583.882345][ T7750]  ? netlink_ack+0x1370/0x1370
[  583.887436][ T7750]  ? lock_sync+0x180/0x180
[  583.892122][ T7750]  ? netlink_deliver_tap+0x1a0/0xd00
[  583.897474][ T7750]  ? _copy_from_iter+0x2c1/0x10f0
[  583.902641][ T7750]  netlink_unicast+0x53b/0x810
[  583.907445][ T7750]  ? netlink_attachskb+0x870/0x870
[  583.912923][ T7750]  ? __phys_addr_symbol+0x30/0x70
[  583.918046][ T7750]  ? __check_object_size+0x322/0x730
[  583.923520][ T7750]  netlink_sendmsg+0x939/0xe40
[  583.928491][ T7750]  ? netlink_unicast+0x810/0x810
[  583.933634][ T7750]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  583.939157][ T7750]  ? netlink_unicast+0x810/0x810
[  583.944195][ T7750]  __sock_sendmsg+0xd5/0x180
[  583.948794][ T7750]  ____sys_sendmsg+0x6ac/0x940
[  583.953566][ T7750]  ? copy_msghdr_from_user+0x10b/0x160
[  583.959211][ T7750]  ? kernel_sendmsg+0x50/0x50
[  583.963901][ T7750]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  583.969916][ T7750]  ___sys_sendmsg+0x135/0x1d0
[  583.974621][ T7750]  ? do_recvmmsg+0x740/0x740
[  583.979244][ T7750]  ? find_held_lock+0x2d/0x110
[  583.984182][ T7750]  ? preempt_count_sub+0x150/0x150
[  583.989607][ T7750]  ? __fget_light+0x1fa/0x260
[  583.994582][ T7750]  __sys_sendmsg+0x117/0x1e0
[  583.999323][ T7750]  ? __sys_sendmsg_sock+0x30/0x30
[  584.004668][ T7750]  ? syscall_enter_from_user_mode+0x26/0x80
[  584.010839][ T7750]  do_syscall_64+0x3f/0x110
[  584.015540][ T7750]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  584.021712][ T7750] RIP: 0033:0x7fa730b27eb9
[  584.026224][ T7750] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  584.046383][ T7750] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  584.055260][ T7750] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  584.063505][ T7750] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  584.071831][ T7750] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  584.079990][ T7750] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  584.088146][ T7750] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  584.096139][ T7750]  </TASK>
[  584.108669][ T7750] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  584.167925][ T7750] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  584.178283][ T7750] CPU: 0 PID: 7750 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  584.189672][ T7750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  584.200279][ T7750] Call Trace:
[  584.204017][ T7750]  <TASK>
[  584.206972][ T7750]  dump_stack_lvl+0x125/0x1b0
[  584.211787][ T7750]  sysfs_warn_dup+0x7f/0xa0
[  584.216331][ T7750]  sysfs_create_dir_ns+0x247/0x2a0
[  584.221477][ T7750]  ? sysfs_create_mount_point+0xb0/0xb0
[  584.227050][ T7750]  ? spin_bug+0x1c0/0x1c0
[  584.231599][ T7750]  ? net_namespace+0x12/0x40
[  584.236217][ T7750]  ? device_namespace+0x8d/0xc0
[  584.241117][ T7750]  kobject_add_internal+0x2c8/0x960
[  584.246444][ T7750]  kobject_add+0x16f/0x240
[  584.250897][ T7750]  ? kset_create_and_add+0x190/0x190
[  584.256479][ T7750]  ? do_raw_spin_unlock+0x172/0x230
[  584.262069][ T7750]  ? kobject_put+0xbe/0x440
[  584.266699][ T7750]  ? device_add+0xc35/0x1aa0
[  584.271440][ T7750]  device_add+0x289/0x1aa0
[  584.275904][ T7750]  ? device_initialize+0x510/0x510
[  584.281044][ T7750]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  584.286885][ T7750]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  584.293866][ T7750]  ? __init_waitqueue_head+0xca/0x150
[  584.299364][ T7750]  netdev_register_kobject+0x183/0x3f0
[  584.305033][ T7750]  register_netdevice+0xbdf/0x14a0
[  584.310368][ T7750]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  584.316372][ T7750]  ? validate_linkmsg+0x6fc/0x9c0
[  584.321782][ T7750]  ? rtnl_create_link+0xa6d/0xfd0
[  584.326934][ T7750]  ? batadv_get_sset_count+0x40/0x40
[  584.332356][ T7750]  batadv_softif_newlink+0x70/0x90
[  584.341437][ T7750]  __rtnl_newlink+0x1173/0x1930
[  584.346422][ T7750]  ? rtnl_link_unregister+0x260/0x260
[  584.351865][ T7750]  rtnl_newlink+0x67/0xa0
[  584.357528][ T7750]  ? __rtnl_newlink+0x1930/0x1930
[  584.362768][ T7750]  rtnetlink_rcv_msg+0x3c7/0xe00
[  584.367833][ T7750]  ? rtnl_getlink+0xb40/0xb40
[  584.372535][ T7750]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  584.378552][ T7750]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  584.384661][ T7750]  ? __lock_acquire+0xc97/0x5dc0
[  584.389741][ T7750]  netlink_rcv_skb+0x16b/0x440
[  584.394638][ T7750]  ? rtnl_getlink+0xb40/0xb40
[  584.399345][ T7750]  ? netlink_ack+0x1370/0x1370
[  584.404137][ T7750]  ? lock_sync+0x180/0x180
[  584.408872][ T7750]  ? netlink_deliver_tap+0x1a0/0xd00
[  584.414209][ T7750]  ? _copy_from_iter+0x2c1/0x10f0
[  584.419560][ T7750]  netlink_unicast+0x53b/0x810
[  584.424364][ T7750]  ? netlink_attachskb+0x870/0x870
[  584.429525][ T7750]  ? __phys_addr_symbol+0x30/0x70
[  584.434579][ T7750]  ? __check_object_size+0x322/0x730
[  584.440083][ T7750]  netlink_sendmsg+0x939/0xe40
[  584.445070][ T7750]  ? netlink_unicast+0x810/0x810
[  584.450143][ T7750]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  584.455812][ T7750]  ? netlink_unicast+0x810/0x810
[  584.461221][ T7750]  __sock_sendmsg+0xd5/0x180
[  584.466712][ T7750]  ____sys_sendmsg+0x6ac/0x940
[  584.471699][ T7750]  ? copy_msghdr_from_user+0x10b/0x160
[  584.477199][ T7750]  ? kernel_sendmsg+0x50/0x50
[  584.482084][ T7750]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  584.488105][ T7750]  ___sys_sendmsg+0x135/0x1d0
[  584.492903][ T7750]  ? do_recvmmsg+0x740/0x740
[  584.497515][ T7750]  ? find_held_lock+0x2d/0x110
[  584.502322][ T7750]  ? preempt_count_sub+0x150/0x150
[  584.507473][ T7750]  ? __fget_light+0x1fa/0x260
[  584.512344][ T7750]  __sys_sendmsg+0x117/0x1e0
[  584.517143][ T7750]  ? __sys_sendmsg_sock+0x30/0x30
[  584.522343][ T7750]  ? syscall_enter_from_user_mode+0x26/0x80
[  584.528399][ T7750]  do_syscall_64+0x3f/0x110
[  584.532934][ T7750]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  584.538860][ T7750] RIP: 0033:0x7fa730b27eb9
[  584.543299][ T7750] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  584.563041][ T7750] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  584.571532][ T7750] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  584.579714][ T7750] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  584.587863][ T7750] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  584.596022][ T7750] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  584.606284][ T7750] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  584.614389][ T7750]  </TASK>
[  584.625035][ T7750] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  584.718642][ T7751] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  584.734068][ T7751] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  584.747701][ T7751] CPU: 1 PID: 7751 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  584.759494][ T7751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  584.769585][ T7751] Call Trace:
[  584.772894][ T7751]  <TASK>
[  584.775845][ T7751]  dump_stack_lvl+0x125/0x1b0
[  584.780741][ T7751]  sysfs_warn_dup+0x7f/0xa0
[  584.785379][ T7751]  sysfs_create_dir_ns+0x247/0x2a0
[  584.790779][ T7751]  ? sysfs_create_mount_point+0xb0/0xb0
[  584.796533][ T7751]  ? spin_bug+0x1c0/0x1c0
[  584.800915][ T7751]  ? net_namespace+0x12/0x40
[  584.805758][ T7751]  ? device_namespace+0x8d/0xc0
[  584.810805][ T7751]  kobject_add_internal+0x2c8/0x960
[  584.816380][ T7751]  kobject_add+0x16f/0x240
[  584.820854][ T7751]  ? kset_create_and_add+0x190/0x190
[  584.826542][ T7751]  ? do_raw_spin_unlock+0x172/0x230
[  584.831962][ T7751]  ? kobject_put+0xbe/0x440
[  584.836627][ T7751]  ? device_add+0xc35/0x1aa0
[  584.841604][ T7751]  device_add+0x289/0x1aa0
[  584.846053][ T7751]  ? device_initialize+0x510/0x510
[  584.851271][ T7751]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  584.857215][ T7751]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  584.864453][ T7751]  ? __init_waitqueue_head+0xca/0x150
[  584.870128][ T7751]  netdev_register_kobject+0x183/0x3f0
[  584.875667][ T7751]  register_netdevice+0xbdf/0x14a0
[  584.880913][ T7751]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  584.886858][ T7751]  ? team_nl_cmd_noop+0x280/0x280
[  584.892105][ T7751]  team_newlink+0x92/0x160
[  584.896561][ T7751]  ? team_nl_cmd_noop+0x280/0x280
[  584.901800][ T7751]  ? rtnl_create_link+0xa6d/0xfd0
[  584.906966][ T7751]  __rtnl_newlink+0x1173/0x1930
[  584.911857][ T7751]  ? rtnl_link_unregister+0x260/0x260
[  584.917468][ T7751]  rtnl_newlink+0x67/0xa0
[  584.921860][ T7751]  ? __rtnl_newlink+0x1930/0x1930
[  584.927426][ T7751]  rtnetlink_rcv_msg+0x3c7/0xe00
[  584.932656][ T7751]  ? rtnl_getlink+0xb40/0xb40
[  584.937366][ T7751]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  584.943468][ T7751]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  584.949584][ T7751]  ? __lock_acquire+0xc97/0x5dc0
[  584.954571][ T7751]  netlink_rcv_skb+0x16b/0x440
[  584.959368][ T7751]  ? rtnl_getlink+0xb40/0xb40
[  584.964168][ T7751]  ? netlink_ack+0x1370/0x1370
[  584.968966][ T7751]  ? lock_sync+0x180/0x180
[  584.973433][ T7751]  ? netlink_deliver_tap+0x1a0/0xd00
[  584.978752][ T7751]  ? _copy_from_iter+0x2c1/0x10f0
[  584.983898][ T7751]  netlink_unicast+0x53b/0x810
[  584.988781][ T7751]  ? netlink_attachskb+0x870/0x870
[  584.994443][ T7751]  ? __phys_addr_symbol+0x30/0x70
[  584.999509][ T7751]  ? __check_object_size+0x322/0x730
[  585.005019][ T7751]  netlink_sendmsg+0x939/0xe40
[  585.010104][ T7751]  ? netlink_unicast+0x810/0x810
[  585.015892][ T7751]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  585.021667][ T7751]  ? netlink_unicast+0x810/0x810
[  585.027097][ T7751]  __sock_sendmsg+0xd5/0x180
[  585.031807][ T7751]  ____sys_sendmsg+0x6ac/0x940
[  585.036872][ T7751]  ? copy_msghdr_from_user+0x10b/0x160
[  585.042722][ T7751]  ? kernel_sendmsg+0x50/0x50
[  585.047536][ T7751]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  585.053587][ T7751]  ___sys_sendmsg+0x135/0x1d0
[  585.058389][ T7751]  ? do_recvmmsg+0x740/0x740
[  585.063122][ T7751]  ? find_held_lock+0x2d/0x110
[  585.068039][ T7751]  ? preempt_count_sub+0x150/0x150
[  585.073212][ T7751]  ? __fget_light+0x1fa/0x260
[  585.078829][ T7751]  __sys_sendmsg+0x117/0x1e0
[  585.083486][ T7751]  ? __sys_sendmsg_sock+0x30/0x30
[  585.088751][ T7751]  ? syscall_enter_from_user_mode+0x26/0x80
[  585.094688][ T7751]  do_syscall_64+0x3f/0x110
[  585.099314][ T7751]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  585.105494][ T7751] RIP: 0033:0x7fa730b27eb9
[  585.109931][ T7751] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  585.130181][ T7751] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  585.138834][ T7751] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  585.147010][ T7751] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  585.155179][ T7751] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  585.163169][ T7751] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  585.171159][ T7751] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  585.179356][ T7751]  </TASK>
[  585.184626][ T7751] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  585.217677][ T7751] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  585.228532][ T7751] CPU: 1 PID: 7751 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  585.240388][ T7751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  585.250824][ T7751] Call Trace:
[  585.254128][ T7751]  <TASK>
[  585.257078][ T7751]  dump_stack_lvl+0x125/0x1b0
[  585.261794][ T7751]  sysfs_warn_dup+0x7f/0xa0
[  585.266323][ T7751]  sysfs_create_dir_ns+0x247/0x2a0
[  585.271562][ T7751]  ? sysfs_create_mount_point+0xb0/0xb0
[  585.277143][ T7751]  ? spin_bug+0x1c0/0x1c0
[  585.281771][ T7751]  ? net_namespace+0x12/0x40
[  585.286392][ T7751]  ? device_namespace+0x8d/0xc0
[  585.291805][ T7751]  kobject_add_internal+0x2c8/0x960
[  585.297220][ T7751]  kobject_add+0x16f/0x240
[  585.301791][ T7751]  ? kset_create_and_add+0x190/0x190
[  585.307141][ T7751]  ? do_raw_spin_unlock+0x172/0x230
[  585.312383][ T7751]  ? kobject_put+0xbe/0x440
[  585.317004][ T7751]  ? device_add+0xc35/0x1aa0
[  585.321715][ T7751]  device_add+0x289/0x1aa0
[  585.326335][ T7751]  ? device_initialize+0x510/0x510
[  585.331467][ T7751]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  585.337457][ T7751]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  585.344529][ T7751]  ? __init_waitqueue_head+0xca/0x150
[  585.349941][ T7751]  netdev_register_kobject+0x183/0x3f0
[  585.355614][ T7751]  register_netdevice+0xbdf/0x14a0
[  585.360851][ T7751]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  585.366870][ T7751]  ? validate_linkmsg+0x6fc/0x9c0
[  585.371937][ T7751]  ? rtnl_create_link+0xa6d/0xfd0
[  585.377089][ T7751]  ? batadv_get_sset_count+0x40/0x40
[  585.382412][ T7751]  batadv_softif_newlink+0x70/0x90
[  585.387562][ T7751]  __rtnl_newlink+0x1173/0x1930
[  585.392454][ T7751]  ? rtnl_link_unregister+0x260/0x260
[  585.397984][ T7751]  rtnl_newlink+0x67/0xa0
[  585.402339][ T7751]  ? __rtnl_newlink+0x1930/0x1930
[  585.407561][ T7751]  rtnetlink_rcv_msg+0x3c7/0xe00
[  585.412541][ T7751]  ? rtnl_getlink+0xb40/0xb40
[  585.417341][ T7751]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  585.423358][ T7751]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  585.429557][ T7751]  ? __lock_acquire+0xc97/0x5dc0
[  585.434543][ T7751]  netlink_rcv_skb+0x16b/0x440
[  585.440393][ T7751]  ? rtnl_getlink+0xb40/0xb40
[  585.445538][ T7751]  ? netlink_ack+0x1370/0x1370
[  585.450359][ T7751]  ? lock_sync+0x180/0x180
[  585.454843][ T7751]  ? netlink_deliver_tap+0x1a0/0xd00
[  585.460186][ T7751]  ? _copy_from_iter+0x2c1/0x10f0
[  585.465268][ T7751]  netlink_unicast+0x53b/0x810
[  585.470221][ T7751]  ? netlink_attachskb+0x870/0x870
[  585.475458][ T7751]  ? __phys_addr_symbol+0x30/0x70
[  585.480714][ T7751]  ? __check_object_size+0x322/0x730
[  585.486206][ T7751]  netlink_sendmsg+0x939/0xe40
[  585.491014][ T7751]  ? netlink_unicast+0x810/0x810
[  585.496077][ T7751]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  585.501501][ T7751]  ? netlink_unicast+0x810/0x810
[  585.506477][ T7751]  __sock_sendmsg+0xd5/0x180
[  585.511109][ T7751]  ____sys_sendmsg+0x6ac/0x940
[  585.515993][ T7751]  ? copy_msghdr_from_user+0x10b/0x160
[  585.521491][ T7751]  ? kernel_sendmsg+0x50/0x50
[  585.526195][ T7751]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  585.532226][ T7751]  ___sys_sendmsg+0x135/0x1d0
[  585.537117][ T7751]  ? do_recvmmsg+0x740/0x740
[  585.541733][ T7751]  ? find_held_lock+0x2d/0x110
[  585.546548][ T7751]  ? preempt_count_sub+0x150/0x150
[  585.551753][ T7751]  ? __fget_light+0x1fa/0x260
[  585.556472][ T7751]  __sys_sendmsg+0x117/0x1e0
[  585.561181][ T7751]  ? __sys_sendmsg_sock+0x30/0x30
[  585.566352][ T7751]  ? syscall_enter_from_user_mode+0x26/0x80
[  585.572366][ T7751]  do_syscall_64+0x3f/0x110
[  585.576905][ T7751]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  585.583095][ T7751] RIP: 0033:0x7fa730b27eb9
[  585.587566][ T7751] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  585.607557][ T7751] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  585.616267][ T7751] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  585.624803][ T7751] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  585.632985][ T7751] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  585.642210][ T7751] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  585.650553][ T7751] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  585.658854][ T7751]  </TASK>
[  585.666148][ T7751] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  585.738734][ T7752] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  585.753586][ T7752] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  585.763257][ T7752] CPU: 1 PID: 7752 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  585.774655][ T7752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  585.784726][ T7752] Call Trace:
[  585.788462][ T7752]  <TASK>
[  585.791680][ T7752]  dump_stack_lvl+0x125/0x1b0
[  585.796562][ T7752]  sysfs_warn_dup+0x7f/0xa0
[  585.801094][ T7752]  sysfs_create_dir_ns+0x247/0x2a0
[  585.806643][ T7752]  ? sysfs_create_mount_point+0xb0/0xb0
[  585.812474][ T7752]  ? spin_bug+0x1c0/0x1c0
[  585.817368][ T7752]  ? net_namespace+0x12/0x40
[  585.822241][ T7752]  ? device_namespace+0x8d/0xc0
[  585.827683][ T7752]  kobject_add_internal+0x2c8/0x960
[  585.833464][ T7752]  kobject_add+0x16f/0x240
[  585.838127][ T7752]  ? kset_create_and_add+0x190/0x190
[  585.844945][ T7752]  ? do_raw_spin_unlock+0x172/0x230
[  585.850370][ T7752]  ? kobject_put+0xbe/0x440
[  585.854907][ T7752]  ? device_add+0xc35/0x1aa0
[  585.859638][ T7752]  device_add+0x289/0x1aa0
[  585.864256][ T7752]  ? device_initialize+0x510/0x510
[  585.869657][ T7752]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  585.875758][ T7752]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  585.882742][ T7752]  ? __init_waitqueue_head+0xca/0x150
[  585.888306][ T7752]  netdev_register_kobject+0x183/0x3f0
[  585.895014][ T7752]  register_netdevice+0xbdf/0x14a0
[  585.900456][ T7752]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  585.906781][ T7752]  ? team_nl_cmd_noop+0x280/0x280
[  585.912439][ T7752]  team_newlink+0x92/0x160
[  585.917745][ T7752]  ? team_nl_cmd_noop+0x280/0x280
[  585.923407][ T7752]  ? rtnl_create_link+0xa6d/0xfd0
[  585.928739][ T7752]  __rtnl_newlink+0x1173/0x1930
[  585.933715][ T7752]  ? rtnl_link_unregister+0x260/0x260
[  585.939340][ T7752]  rtnl_newlink+0x67/0xa0
[  585.943887][ T7752]  ? __rtnl_newlink+0x1930/0x1930
[  585.948979][ T7752]  rtnetlink_rcv_msg+0x3c7/0xe00
[  585.954016][ T7752]  ? rtnl_getlink+0xb40/0xb40
[  585.958871][ T7752]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  585.965121][ T7752]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  585.971133][ T7752]  ? __lock_acquire+0xc97/0x5dc0
[  585.976278][ T7752]  netlink_rcv_skb+0x16b/0x440
[  585.981231][ T7752]  ? rtnl_getlink+0xb40/0xb40
[  585.985917][ T7752]  ? netlink_ack+0x1370/0x1370
[  585.990949][ T7752]  ? lock_sync+0x180/0x180
[  585.995683][ T7752]  ? netlink_deliver_tap+0x1a0/0xd00
[  586.001169][ T7752]  ? _copy_from_iter+0x2c1/0x10f0
[  586.006310][ T7752]  netlink_unicast+0x53b/0x810
[  586.011528][ T7752]  ? netlink_attachskb+0x870/0x870
[  586.017187][ T7752]  ? __phys_addr_symbol+0x30/0x70
[  586.022588][ T7752]  ? __check_object_size+0x322/0x730
[  586.028640][ T7752]  netlink_sendmsg+0x939/0xe40
[  586.033512][ T7752]  ? netlink_unicast+0x810/0x810
[  586.038496][ T7752]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  586.044060][ T7752]  ? netlink_unicast+0x810/0x810
[  586.049112][ T7752]  __sock_sendmsg+0xd5/0x180
[  586.053711][ T7752]  ____sys_sendmsg+0x6ac/0x940
[  586.058481][ T7752]  ? copy_msghdr_from_user+0x10b/0x160
[  586.063947][ T7752]  ? kernel_sendmsg+0x50/0x50
[  586.068721][ T7752]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  586.074721][ T7752]  ___sys_sendmsg+0x135/0x1d0
[  586.079764][ T7752]  ? do_recvmmsg+0x740/0x740
[  586.084625][ T7752]  ? find_held_lock+0x2d/0x110
[  586.089442][ T7752]  ? preempt_count_sub+0x150/0x150
[  586.094595][ T7752]  ? __fget_light+0x1fa/0x260
[  586.099482][ T7752]  __sys_sendmsg+0x117/0x1e0
[  586.104084][ T7752]  ? __sys_sendmsg_sock+0x30/0x30
[  586.109274][ T7752]  ? syscall_enter_from_user_mode+0x26/0x80
[  586.115450][ T7752]  do_syscall_64+0x3f/0x110
[  586.119996][ T7752]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  586.126086][ T7752] RIP: 0033:0x7fa730b27eb9
[  586.130854][ T7752] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  586.151444][ T7752] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  586.160071][ T7752] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  586.168321][ T7752] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  586.176440][ T7752] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  586.184505][ T7752] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  586.192481][ T7752] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  586.200905][ T7752]  </TASK>
[  586.207209][ T7752] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  586.245768][ T7752] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  586.255283][ T7752] CPU: 1 PID: 7752 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  586.266771][ T7752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  586.277192][ T7752] Call Trace:
[  586.280658][ T7752]  <TASK>
[  586.283785][ T7752]  dump_stack_lvl+0x125/0x1b0
[  586.288497][ T7752]  sysfs_warn_dup+0x7f/0xa0
[  586.293042][ T7752]  sysfs_create_dir_ns+0x247/0x2a0
[  586.298261][ T7752]  ? sysfs_create_mount_point+0xb0/0xb0
[  586.303842][ T7752]  ? spin_bug+0x1c0/0x1c0
[  586.308636][ T7752]  ? net_namespace+0x12/0x40
[  586.313261][ T7752]  ? device_namespace+0x8d/0xc0
[  586.318411][ T7752]  kobject_add_internal+0x2c8/0x960
[  586.323647][ T7752]  kobject_add+0x16f/0x240
[  586.328093][ T7752]  ? kset_create_and_add+0x190/0x190
[  586.333674][ T7752]  ? do_raw_spin_unlock+0x172/0x230
[  586.338998][ T7752]  ? kobject_put+0xbe/0x440
[  586.343532][ T7752]  ? device_add+0xc35/0x1aa0
[  586.348151][ T7752]  device_add+0x289/0x1aa0
[  586.352686][ T7752]  ? device_initialize+0x510/0x510
[  586.357905][ T7752]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  586.363917][ T7752]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  586.370801][ T7752]  ? __init_waitqueue_head+0xca/0x150
[  586.376216][ T7752]  netdev_register_kobject+0x183/0x3f0
[  586.381723][ T7752]  register_netdevice+0xbdf/0x14a0
[  586.388179][ T7752]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  586.394186][ T7752]  ? validate_linkmsg+0x6fc/0x9c0
[  586.399348][ T7752]  ? rtnl_create_link+0xa6d/0xfd0
[  586.404405][ T7752]  ? batadv_get_sset_count+0x40/0x40
[  586.409891][ T7752]  batadv_softif_newlink+0x70/0x90
[  586.415123][ T7752]  __rtnl_newlink+0x1173/0x1930
[  586.420368][ T7752]  ? rtnl_link_unregister+0x260/0x260
[  586.425803][ T7752]  rtnl_newlink+0x67/0xa0
[  586.430437][ T7752]  ? __rtnl_newlink+0x1930/0x1930
[  586.435824][ T7752]  rtnetlink_rcv_msg+0x3c7/0xe00
[  586.440798][ T7752]  ? rtnl_getlink+0xb40/0xb40
[  586.445506][ T7752]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  586.451518][ T7752]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  586.457532][ T7752]  ? __lock_acquire+0xc97/0x5dc0
[  586.462602][ T7752]  netlink_rcv_skb+0x16b/0x440
[  586.467614][ T7752]  ? rtnl_getlink+0xb40/0xb40
[  586.472507][ T7752]  ? netlink_ack+0x1370/0x1370
[  586.477321][ T7752]  ? lock_sync+0x180/0x180
[  586.482055][ T7752]  ? netlink_deliver_tap+0x1a0/0xd00
[  586.487384][ T7752]  ? _copy_from_iter+0x2c1/0x10f0
[  586.492535][ T7752]  netlink_unicast+0x53b/0x810
[  586.497418][ T7752]  ? netlink_attachskb+0x870/0x870
[  586.502561][ T7752]  ? __phys_addr_symbol+0x30/0x70
[  586.507608][ T7752]  ? __check_object_size+0x322/0x730
[  586.513022][ T7752]  netlink_sendmsg+0x939/0xe40
[  586.518167][ T7752]  ? netlink_unicast+0x810/0x810
[  586.523240][ T7752]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  586.528649][ T7752]  ? netlink_unicast+0x810/0x810
[  586.533617][ T7752]  __sock_sendmsg+0xd5/0x180
[  586.538235][ T7752]  ____sys_sendmsg+0x6ac/0x940
[  586.543110][ T7752]  ? copy_msghdr_from_user+0x10b/0x160
[  586.548802][ T7752]  ? kernel_sendmsg+0x50/0x50
[  586.553683][ T7752]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  586.560048][ T7752]  ___sys_sendmsg+0x135/0x1d0
[  586.564926][ T7752]  ? do_recvmmsg+0x740/0x740
[  586.569722][ T7752]  ? find_held_lock+0x2d/0x110
[  586.574798][ T7752]  ? preempt_count_sub+0x150/0x150
[  586.579945][ T7752]  ? __fget_light+0x1fa/0x260
[  586.584993][ T7752]  __sys_sendmsg+0x117/0x1e0
[  586.589611][ T7752]  ? __sys_sendmsg_sock+0x30/0x30
[  586.594685][ T7752]  ? syscall_enter_from_user_mode+0x26/0x80
[  586.600715][ T7752]  do_syscall_64+0x3f/0x110
[  586.605423][ T7752]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  586.611427][ T7752] RIP: 0033:0x7fa730b27eb9
[  586.615861][ T7752] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  586.636372][ T7752] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  586.645000][ T7752] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  586.653429][ T7752] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  586.662067][ T7752] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  586.671630][ T7752] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  586.679801][ T7752] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  586.687908][ T7752]  </TASK>
[  586.694291][ T7752] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  586.760821][ T7753] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  586.774098][ T7753] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  586.783720][ T7753] CPU: 1 PID: 7753 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  586.795208][ T7753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  586.805498][ T7753] Call Trace:
[  586.808875][ T7753]  <TASK>
[  586.812017][ T7753]  dump_stack_lvl+0x125/0x1b0
[  586.816890][ T7753]  sysfs_warn_dup+0x7f/0xa0
[  586.821856][ T7753]  sysfs_create_dir_ns+0x247/0x2a0
[  586.827537][ T7753]  ? sysfs_create_mount_point+0xb0/0xb0
[  586.833642][ T7753]  ? spin_bug+0x1c0/0x1c0
[  586.841152][ T7753]  ? net_namespace+0x12/0x40
[  586.845890][ T7753]  ? device_namespace+0x8d/0xc0
[  586.850854][ T7753]  kobject_add_internal+0x2c8/0x960
[  586.856075][ T7753]  kobject_add+0x16f/0x240
[  586.860640][ T7753]  ? kset_create_and_add+0x190/0x190
[  586.866052][ T7753]  ? do_raw_spin_unlock+0x172/0x230
[  586.871371][ T7753]  ? kobject_put+0xbe/0x440
[  586.876109][ T7753]  ? device_add+0xc35/0x1aa0
[  586.880826][ T7753]  device_add+0x289/0x1aa0
[  586.885447][ T7753]  ? device_initialize+0x510/0x510
[  586.890672][ T7753]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  586.896619][ T7753]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  586.903510][ T7753]  ? __init_waitqueue_head+0xca/0x150
[  586.908923][ T7753]  netdev_register_kobject+0x183/0x3f0
[  586.914410][ T7753]  register_netdevice+0xbdf/0x14a0
[  586.919988][ T7753]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  586.926020][ T7753]  ? team_nl_cmd_noop+0x280/0x280
[  586.931359][ T7753]  team_newlink+0x92/0x160
[  586.935871][ T7753]  ? team_nl_cmd_noop+0x280/0x280
[  586.941101][ T7753]  ? rtnl_create_link+0xa6d/0xfd0
[  586.946167][ T7753]  __rtnl_newlink+0x1173/0x1930
[  586.951041][ T7753]  ? rtnl_link_unregister+0x260/0x260
[  586.956545][ T7753]  rtnl_newlink+0x67/0xa0
[  586.960882][ T7753]  ? __rtnl_newlink+0x1930/0x1930
[  586.966091][ T7753]  rtnetlink_rcv_msg+0x3c7/0xe00
[  586.971141][ T7753]  ? rtnl_getlink+0xb40/0xb40
[  586.975850][ T7753]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  586.981933][ T7753]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  586.987950][ T7753]  ? __lock_acquire+0xc97/0x5dc0
[  586.992929][ T7753]  netlink_rcv_skb+0x16b/0x440
[  586.997879][ T7753]  ? rtnl_getlink+0xb40/0xb40
[  587.002568][ T7753]  ? netlink_ack+0x1370/0x1370
[  587.007343][ T7753]  ? lock_sync+0x180/0x180
[  587.011787][ T7753]  ? netlink_deliver_tap+0x1a0/0xd00
[  587.017344][ T7753]  ? _copy_from_iter+0x2c1/0x10f0
[  587.022934][ T7753]  netlink_unicast+0x53b/0x810
[  587.028032][ T7753]  ? netlink_attachskb+0x870/0x870
[  587.033191][ T7753]  ? __phys_addr_symbol+0x30/0x70
[  587.038603][ T7753]  ? __check_object_size+0x322/0x730
[  587.044122][ T7753]  netlink_sendmsg+0x939/0xe40
[  587.049002][ T7753]  ? netlink_unicast+0x810/0x810
[  587.054154][ T7753]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  587.059720][ T7753]  ? netlink_unicast+0x810/0x810
[  587.065436][ T7753]  __sock_sendmsg+0xd5/0x180
[  587.070212][ T7753]  ____sys_sendmsg+0x6ac/0x940
[  587.075172][ T7753]  ? copy_msghdr_from_user+0x10b/0x160
[  587.080640][ T7753]  ? kernel_sendmsg+0x50/0x50
[  587.085427][ T7753]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  587.091781][ T7753]  ___sys_sendmsg+0x135/0x1d0
[  587.096483][ T7753]  ? do_recvmmsg+0x740/0x740
[  587.101089][ T7753]  ? find_held_lock+0x2d/0x110
[  587.105879][ T7753]  ? preempt_count_sub+0x150/0x150
[  587.111010][ T7753]  ? __fget_light+0x1fa/0x260
[  587.115737][ T7753]  __sys_sendmsg+0x117/0x1e0
[  587.120536][ T7753]  ? __sys_sendmsg_sock+0x30/0x30
[  587.125781][ T7753]  ? syscall_enter_from_user_mode+0x26/0x80
[  587.132221][ T7753]  do_syscall_64+0x3f/0x110
[  587.137183][ T7753]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  587.143284][ T7753] RIP: 0033:0x7fa730b27eb9
[  587.147738][ T7753] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  587.167561][ T7753] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  587.175997][ T7753] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  587.184385][ T7753] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  587.192630][ T7753] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  587.201387][ T7753] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  587.209661][ T7753] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  587.218498][ T7753]  </TASK>
[  587.232800][ T7753] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  587.264824][ T7753] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  587.275059][ T7753] CPU: 0 PID: 7753 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  587.286466][ T7753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  587.296724][ T7753] Call Trace:
[  587.300307][ T7753]  <TASK>
[  587.303262][ T7753]  dump_stack_lvl+0x125/0x1b0
[  587.308097][ T7753]  sysfs_warn_dup+0x7f/0xa0
[  587.312722][ T7753]  sysfs_create_dir_ns+0x247/0x2a0
[  587.317948][ T7753]  ? sysfs_create_mount_point+0xb0/0xb0
[  587.323517][ T7753]  ? spin_bug+0x1c0/0x1c0
[  587.328327][ T7753]  ? net_namespace+0x12/0x40
[  587.333032][ T7753]  ? device_namespace+0x8d/0xc0
[  587.337931][ T7753]  kobject_add_internal+0x2c8/0x960
[  587.343177][ T7753]  kobject_add+0x16f/0x240
[  587.347624][ T7753]  ? kset_create_and_add+0x190/0x190
[  587.353115][ T7753]  ? do_raw_spin_unlock+0x172/0x230
[  587.359055][ T7753]  ? kobject_put+0xbe/0x440
[  587.363674][ T7753]  ? device_add+0xc35/0x1aa0
[  587.368303][ T7753]  device_add+0x289/0x1aa0
[  587.372841][ T7753]  ? device_initialize+0x510/0x510
[  587.378033][ T7753]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  587.384025][ T7753]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  587.390912][ T7753]  ? __init_waitqueue_head+0xca/0x150
[  587.396500][ T7753]  netdev_register_kobject+0x183/0x3f0
[  587.402350][ T7753]  register_netdevice+0xbdf/0x14a0
[  587.408033][ T7753]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  587.414129][ T7753]  ? validate_linkmsg+0x6fc/0x9c0
[  587.419198][ T7753]  ? rtnl_create_link+0xa6d/0xfd0
[  587.424434][ T7753]  ? batadv_get_sset_count+0x40/0x40
[  587.429841][ T7753]  batadv_softif_newlink+0x70/0x90
[  587.435237][ T7753]  __rtnl_newlink+0x1173/0x1930
[  587.440403][ T7753]  ? rtnl_link_unregister+0x260/0x260
[  587.445852][ T7753]  rtnl_newlink+0x67/0xa0
[  587.450297][ T7753]  ? __rtnl_newlink+0x1930/0x1930
[  587.455440][ T7753]  rtnetlink_rcv_msg+0x3c7/0xe00
[  587.460409][ T7753]  ? rtnl_getlink+0xb40/0xb40
[  587.465106][ T7753]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  587.471465][ T7753]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  587.477566][ T7753]  ? __lock_acquire+0xc97/0x5dc0
[  587.482724][ T7753]  netlink_rcv_skb+0x16b/0x440
[  587.487621][ T7753]  ? rtnl_getlink+0xb40/0xb40
[  587.492942][ T7753]  ? netlink_ack+0x1370/0x1370
[  587.497745][ T7753]  ? lock_sync+0x180/0x180
[  587.502215][ T7753]  ? netlink_deliver_tap+0x1a0/0xd00
[  587.507531][ T7753]  ? _copy_from_iter+0x2c1/0x10f0
[  587.513465][ T7753]  netlink_unicast+0x53b/0x810
[  587.518282][ T7753]  ? netlink_attachskb+0x870/0x870
[  587.523521][ T7753]  ? __phys_addr_symbol+0x30/0x70
[  587.528667][ T7753]  ? __check_object_size+0x322/0x730
[  587.534772][ T7753]  netlink_sendmsg+0x939/0xe40
[  587.539577][ T7753]  ? netlink_unicast+0x810/0x810
[  587.544550][ T7753]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  587.549874][ T7753]  ? netlink_unicast+0x810/0x810
[  587.554848][ T7753]  __sock_sendmsg+0xd5/0x180
[  587.559819][ T7753]  ____sys_sendmsg+0x6ac/0x940
[  587.564874][ T7753]  ? copy_msghdr_from_user+0x10b/0x160
[  587.570717][ T7753]  ? kernel_sendmsg+0x50/0x50
[  587.575600][ T7753]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  587.581798][ T7753]  ___sys_sendmsg+0x135/0x1d0
[  587.586509][ T7753]  ? do_recvmmsg+0x740/0x740
[  587.591132][ T7753]  ? find_held_lock+0x2d/0x110
[  587.596038][ T7753]  ? preempt_count_sub+0x150/0x150
[  587.601714][ T7753]  ? __fget_light+0x1fa/0x260
[  587.606528][ T7753]  __sys_sendmsg+0x117/0x1e0
[  587.611161][ T7753]  ? __sys_sendmsg_sock+0x30/0x30
[  587.616244][ T7753]  ? syscall_enter_from_user_mode+0x26/0x80
[  587.622197][ T7753]  do_syscall_64+0x3f/0x110
[  587.626932][ T7753]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  587.632972][ T7753] RIP: 0033:0x7fa730b27eb9
[  587.637417][ T7753] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  587.657501][ T7753] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  587.666046][ T7753] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  587.674476][ T7753] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  587.682672][ T7753] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  587.690860][ T7753] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  587.699044][ T7753] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  587.707305][ T7753]  </TASK>
[  587.714029][ T7753] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  587.769290][ T7754] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  587.781611][ T7754] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  587.791025][ T7754] CPU: 1 PID: 7754 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  587.802537][ T7754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  587.812711][ T7754] Call Trace:
[  587.816024][ T7754]  <TASK>
[  587.818978][ T7754]  dump_stack_lvl+0x125/0x1b0
[  587.823780][ T7754]  sysfs_warn_dup+0x7f/0xa0
[  587.828310][ T7754]  sysfs_create_dir_ns+0x247/0x2a0
[  587.833547][ T7754]  ? sysfs_create_mount_point+0xb0/0xb0
[  587.839201][ T7754]  ? spin_bug+0x1c0/0x1c0
[  587.843594][ T7754]  ? net_namespace+0x12/0x40
[  587.848303][ T7754]  ? device_namespace+0x8d/0xc0
[  587.853190][ T7754]  kobject_add_internal+0x2c8/0x960
[  587.858535][ T7754]  kobject_add+0x16f/0x240
[  587.863098][ T7754]  ? kset_create_and_add+0x190/0x190
[  587.868518][ T7754]  ? do_raw_spin_unlock+0x172/0x230
[  587.873761][ T7754]  ? kobject_put+0xbe/0x440
[  587.878388][ T7754]  ? device_add+0xc35/0x1aa0
[  587.883181][ T7754]  device_add+0x289/0x1aa0
[  587.887624][ T7754]  ? device_initialize+0x510/0x510
[  587.892753][ T7754]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  587.898602][ T7754]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  587.905884][ T7754]  ? __init_waitqueue_head+0xca/0x150
[  587.911740][ T7754]  netdev_register_kobject+0x183/0x3f0
[  587.917244][ T7754]  register_netdevice+0xbdf/0x14a0
[  587.922836][ T7754]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  587.929200][ T7754]  ? team_nl_cmd_noop+0x280/0x280
[  587.934346][ T7754]  team_newlink+0x92/0x160
[  587.938819][ T7754]  ? team_nl_cmd_noop+0x280/0x280
[  587.943954][ T7754]  ? rtnl_create_link+0xa6d/0xfd0
[  587.949015][ T7754]  __rtnl_newlink+0x1173/0x1930
[  587.953906][ T7754]  ? rtnl_link_unregister+0x260/0x260
[  587.959701][ T7754]  rtnl_newlink+0x67/0xa0
[  587.964084][ T7754]  ? __rtnl_newlink+0x1930/0x1930
[  587.969216][ T7754]  rtnetlink_rcv_msg+0x3c7/0xe00
[  587.974271][ T7754]  ? rtnl_getlink+0xb40/0xb40
[  587.979150][ T7754]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  587.985697][ T7754]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  587.992027][ T7754]  ? __lock_acquire+0xc97/0x5dc0
[  587.997030][ T7754]  netlink_rcv_skb+0x16b/0x440
[  588.001828][ T7754]  ? rtnl_getlink+0xb40/0xb40
[  588.006624][ T7754]  ? netlink_ack+0x1370/0x1370
[  588.011428][ T7754]  ? lock_sync+0x180/0x180
[  588.015932][ T7754]  ? netlink_deliver_tap+0x1a0/0xd00
[  588.021343][ T7754]  ? _copy_from_iter+0x2c1/0x10f0
[  588.026419][ T7754]  netlink_unicast+0x53b/0x810
[  588.031501][ T7754]  ? netlink_attachskb+0x870/0x870
[  588.037008][ T7754]  ? __phys_addr_symbol+0x30/0x70
[  588.042246][ T7754]  ? __check_object_size+0x322/0x730
[  588.047647][ T7754]  netlink_sendmsg+0x939/0xe40
[  588.052466][ T7754]  ? netlink_unicast+0x810/0x810
[  588.057558][ T7754]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  588.063078][ T7754]  ? netlink_unicast+0x810/0x810
[  588.068225][ T7754]  __sock_sendmsg+0xd5/0x180
[  588.072856][ T7754]  ____sys_sendmsg+0x6ac/0x940
[  588.077640][ T7754]  ? copy_msghdr_from_user+0x10b/0x160
[  588.083382][ T7754]  ? kernel_sendmsg+0x50/0x50
[  588.088082][ T7754]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  588.094104][ T7754]  ___sys_sendmsg+0x135/0x1d0
[  588.098981][ T7754]  ? do_recvmmsg+0x740/0x740
[  588.103681][ T7754]  ? find_held_lock+0x2d/0x110
[  588.108664][ T7754]  ? preempt_count_sub+0x150/0x150
[  588.113817][ T7754]  ? __fget_light+0x1fa/0x260
[  588.118532][ T7754]  __sys_sendmsg+0x117/0x1e0
[  588.123322][ T7754]  ? __sys_sendmsg_sock+0x30/0x30
[  588.128393][ T7754]  ? syscall_enter_from_user_mode+0x26/0x80
[  588.134579][ T7754]  do_syscall_64+0x3f/0x110
[  588.139152][ T7754]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  588.145290][ T7754] RIP: 0033:0x7fa730b27eb9
[  588.149829][ T7754] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  588.169754][ T7754] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  588.178208][ T7754] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  588.186676][ T7754] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  588.194952][ T7754] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  588.203032][ T7754] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  588.211035][ T7754] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  588.219324][ T7754]  </TASK>
[  588.229881][ T7754] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  588.259251][ T7754] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  588.268774][ T7754] CPU: 1 PID: 7754 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  588.280213][ T7754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  588.290648][ T7754] Call Trace:
[  588.294006][ T7754]  <TASK>
[  588.296961][ T7754]  dump_stack_lvl+0x125/0x1b0
[  588.301767][ T7754]  sysfs_warn_dup+0x7f/0xa0
[  588.306334][ T7754]  sysfs_create_dir_ns+0x247/0x2a0
[  588.311567][ T7754]  ? sysfs_create_mount_point+0xb0/0xb0
[  588.317139][ T7754]  ? spin_bug+0x1c0/0x1c0
[  588.321507][ T7754]  ? net_namespace+0x12/0x40
[  588.326122][ T7754]  ? device_namespace+0x8d/0xc0
[  588.331011][ T7754]  kobject_add_internal+0x2c8/0x960
[  588.336518][ T7754]  kobject_add+0x16f/0x240
[  588.341144][ T7754]  ? kset_create_and_add+0x190/0x190
[  588.346556][ T7754]  ? do_raw_spin_unlock+0x172/0x230
[  588.352224][ T7754]  ? kobject_put+0xbe/0x440
[  588.356757][ T7754]  ? device_add+0xc35/0x1aa0
[  588.361726][ T7754]  device_add+0x289/0x1aa0
[  588.366174][ T7754]  ? device_initialize+0x510/0x510
[  588.371307][ T7754]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  588.377241][ T7754]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  588.384212][ T7754]  ? __init_waitqueue_head+0xca/0x150
[  588.389805][ T7754]  netdev_register_kobject+0x183/0x3f0
[  588.395823][ T7754]  register_netdevice+0xbdf/0x14a0
[  588.400966][ T7754]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  588.407170][ T7754]  ? validate_linkmsg+0x6fc/0x9c0
[  588.412253][ T7754]  ? rtnl_create_link+0xa6d/0xfd0
[  588.417494][ T7754]  ? batadv_get_sset_count+0x40/0x40
[  588.423117][ T7754]  batadv_softif_newlink+0x70/0x90
[  588.428826][ T7754]  __rtnl_newlink+0x1173/0x1930
[  588.433962][ T7754]  ? rtnl_link_unregister+0x260/0x260
[  588.439497][ T7754]  rtnl_newlink+0x67/0xa0
[  588.444071][ T7754]  ? __rtnl_newlink+0x1930/0x1930
[  588.449135][ T7754]  rtnetlink_rcv_msg+0x3c7/0xe00
[  588.454134][ T7754]  ? rtnl_getlink+0xb40/0xb40
[  588.459007][ T7754]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  588.465032][ T7754]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  588.471396][ T7754]  ? __lock_acquire+0xc97/0x5dc0
[  588.476649][ T7754]  netlink_rcv_skb+0x16b/0x440
[  588.481626][ T7754]  ? rtnl_getlink+0xb40/0xb40
[  588.486420][ T7754]  ? netlink_ack+0x1370/0x1370
[  588.491294][ T7754]  ? lock_sync+0x180/0x180
[  588.495774][ T7754]  ? netlink_deliver_tap+0x1a0/0xd00
[  588.501185][ T7754]  ? _copy_from_iter+0x2c1/0x10f0
[  588.506270][ T7754]  netlink_unicast+0x53b/0x810
[  588.511075][ T7754]  ? netlink_attachskb+0x870/0x870
[  588.516229][ T7754]  ? __phys_addr_symbol+0x30/0x70
[  588.521277][ T7754]  ? __check_object_size+0x322/0x730
[  588.526852][ T7754]  netlink_sendmsg+0x939/0xe40
[  588.531704][ T7754]  ? netlink_unicast+0x810/0x810
[  588.536765][ T7754]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  588.542347][ T7754]  ? netlink_unicast+0x810/0x810
[  588.547407][ T7754]  __sock_sendmsg+0xd5/0x180
[  588.552110][ T7754]  ____sys_sendmsg+0x6ac/0x940
[  588.556901][ T7754]  ? copy_msghdr_from_user+0x10b/0x160
[  588.562669][ T7754]  ? kernel_sendmsg+0x50/0x50
[  588.567659][ T7754]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  588.573888][ T7754]  ___sys_sendmsg+0x135/0x1d0
[  588.578624][ T7754]  ? do_recvmmsg+0x740/0x740
[  588.583349][ T7754]  ? find_held_lock+0x2d/0x110
[  588.588169][ T7754]  ? preempt_count_sub+0x150/0x150
[  588.593345][ T7754]  ? __fget_light+0x1fa/0x260
[  588.598086][ T7754]  __sys_sendmsg+0x117/0x1e0
[  588.602719][ T7754]  ? __sys_sendmsg_sock+0x30/0x30
[  588.607807][ T7754]  ? syscall_enter_from_user_mode+0x26/0x80
[  588.613823][ T7754]  do_syscall_64+0x3f/0x110
[  588.618387][ T7754]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  588.624622][ T7754] RIP: 0033:0x7fa730b27eb9
[  588.629066][ T7754] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  588.648979][ T7754] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  588.657445][ T7754] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  588.665464][ T7754] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  588.673571][ T7754] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  588.681582][ T7754] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  588.689686][ T7754] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  588.697888][ T7754]  </TASK>
[  588.705244][ T7754] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  588.802659][ T7755] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  588.816882][ T7755] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  588.826462][ T7755] CPU: 0 PID: 7755 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  588.837901][ T7755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  588.848289][ T7755] Call Trace:
[  588.851601][ T7755]  <TASK>
[  588.854564][ T7755]  dump_stack_lvl+0x125/0x1b0
[  588.859292][ T7755]  sysfs_warn_dup+0x7f/0xa0
[  588.863825][ T7755]  sysfs_create_dir_ns+0x247/0x2a0
[  588.869149][ T7755]  ? sysfs_create_mount_point+0xb0/0xb0
[  588.875022][ T7755]  ? spin_bug+0x1c0/0x1c0
[  588.879517][ T7755]  ? net_namespace+0x12/0x40
[  588.884889][ T7755]  ? device_namespace+0x8d/0xc0
[  588.889795][ T7755]  kobject_add_internal+0x2c8/0x960
[  588.895231][ T7755]  kobject_add+0x16f/0x240
[  588.899688][ T7755]  ? kset_create_and_add+0x190/0x190
[  588.905169][ T7755]  ? do_raw_spin_unlock+0x172/0x230
[  588.910520][ T7755]  ? kobject_put+0xbe/0x440
[  588.915152][ T7755]  ? device_add+0xc35/0x1aa0
[  588.919782][ T7755]  device_add+0x289/0x1aa0
[  588.924251][ T7755]  ? device_initialize+0x510/0x510
[  588.929675][ T7755]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  588.936247][ T7755]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  588.943152][ T7755]  ? __init_waitqueue_head+0xca/0x150
[  588.948694][ T7755]  netdev_register_kobject+0x183/0x3f0
[  588.954302][ T7755]  register_netdevice+0xbdf/0x14a0
[  588.959468][ T7755]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  588.965592][ T7755]  ? team_nl_cmd_noop+0x280/0x280
[  588.970658][ T7755]  team_newlink+0x92/0x160
[  588.975394][ T7755]  ? team_nl_cmd_noop+0x280/0x280
[  588.981518][ T7755]  ? rtnl_create_link+0xa6d/0xfd0
[  588.986601][ T7755]  __rtnl_newlink+0x1173/0x1930
[  588.991590][ T7755]  ? rtnl_link_unregister+0x260/0x260
[  588.997297][ T7755]  rtnl_newlink+0x67/0xa0
[  589.001654][ T7755]  ? __rtnl_newlink+0x1930/0x1930
[  589.006724][ T7755]  rtnetlink_rcv_msg+0x3c7/0xe00
[  589.011821][ T7755]  ? rtnl_getlink+0xb40/0xb40
[  589.016986][ T7755]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  589.023289][ T7755]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  589.029599][ T7755]  ? __lock_acquire+0xc97/0x5dc0
[  589.034766][ T7755]  netlink_rcv_skb+0x16b/0x440
[  589.040096][ T7755]  ? rtnl_getlink+0xb40/0xb40
[  589.044982][ T7755]  ? netlink_ack+0x1370/0x1370
[  589.049949][ T7755]  ? lock_sync+0x180/0x180
[  589.054599][ T7755]  ? netlink_deliver_tap+0x1a0/0xd00
[  589.060354][ T7755]  ? _copy_from_iter+0x2c1/0x10f0
[  589.065433][ T7755]  netlink_unicast+0x53b/0x810
[  589.070409][ T7755]  ? netlink_attachskb+0x870/0x870
[  589.075574][ T7755]  ? __phys_addr_symbol+0x30/0x70
[  589.080723][ T7755]  ? __check_object_size+0x322/0x730
[  589.086489][ T7755]  netlink_sendmsg+0x939/0xe40
[  589.091585][ T7755]  ? netlink_unicast+0x810/0x810
[  589.096822][ T7755]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  589.102177][ T7755]  ? netlink_unicast+0x810/0x810
[  589.107168][ T7755]  __sock_sendmsg+0xd5/0x180
[  589.111985][ T7755]  ____sys_sendmsg+0x6ac/0x940
[  589.116880][ T7755]  ? copy_msghdr_from_user+0x10b/0x160
[  589.122473][ T7755]  ? kernel_sendmsg+0x50/0x50
[  589.127389][ T7755]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  589.133901][ T7755]  ___sys_sendmsg+0x135/0x1d0
[  589.138741][ T7755]  ? do_recvmmsg+0x740/0x740
[  589.143631][ T7755]  ? find_held_lock+0x2d/0x110
[  589.148443][ T7755]  ? preempt_count_sub+0x150/0x150
[  589.153714][ T7755]  ? __fget_light+0x1fa/0x260
[  589.158806][ T7755]  __sys_sendmsg+0x117/0x1e0
[  589.163629][ T7755]  ? __sys_sendmsg_sock+0x30/0x30
[  589.168721][ T7755]  ? syscall_enter_from_user_mode+0x26/0x80
[  589.174657][ T7755]  do_syscall_64+0x3f/0x110
[  589.179288][ T7755]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  589.185316][ T7755] RIP: 0033:0x7fa730b27eb9
[  589.189767][ T7755] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  589.209854][ T7755] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  589.218314][ T7755] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  589.226750][ T7755] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  589.235097][ T7755] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  589.243269][ T7755] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  589.251437][ T7755] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  589.259926][ T7755]  </TASK>
[  589.269561][ T7755] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  589.301101][ T7755] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  589.310432][ T7755] CPU: 1 PID: 7755 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  589.321757][ T7755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  589.331832][ T7755] Call Trace:
[  589.335136][ T7755]  <TASK>
[  589.338249][ T7755]  dump_stack_lvl+0x125/0x1b0
[  589.343240][ T7755]  sysfs_warn_dup+0x7f/0xa0
[  589.347765][ T7755]  sysfs_create_dir_ns+0x247/0x2a0
[  589.352899][ T7755]  ? sysfs_create_mount_point+0xb0/0xb0
[  589.358469][ T7755]  ? spin_bug+0x1c0/0x1c0
[  589.363009][ T7755]  ? net_namespace+0x12/0x40
[  589.367716][ T7755]  ? device_namespace+0x8d/0xc0
[  589.373043][ T7755]  kobject_add_internal+0x2c8/0x960
[  589.378462][ T7755]  kobject_add+0x16f/0x240
[  589.382914][ T7755]  ? kset_create_and_add+0x190/0x190
[  589.388412][ T7755]  ? do_raw_spin_unlock+0x172/0x230
[  589.393752][ T7755]  ? kobject_put+0xbe/0x440
[  589.398291][ T7755]  ? device_add+0xc35/0x1aa0
[  589.403157][ T7755]  device_add+0x289/0x1aa0
[  589.407686][ T7755]  ? device_initialize+0x510/0x510
[  589.412835][ T7755]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  589.419026][ T7755]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  589.425918][ T7755]  ? __init_waitqueue_head+0xca/0x150
[  589.431338][ T7755]  netdev_register_kobject+0x183/0x3f0
[  589.436927][ T7755]  register_netdevice+0xbdf/0x14a0
[  589.442079][ T7755]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  589.448009][ T7755]  ? validate_linkmsg+0x6fc/0x9c0
[  589.453112][ T7755]  ? rtnl_create_link+0xa6d/0xfd0
[  589.458393][ T7755]  ? batadv_get_sset_count+0x40/0x40
[  589.463811][ T7755]  batadv_softif_newlink+0x70/0x90
[  589.468962][ T7755]  __rtnl_newlink+0x1173/0x1930
[  589.473856][ T7755]  ? rtnl_link_unregister+0x260/0x260
[  589.479292][ T7755]  rtnl_newlink+0x67/0xa0
[  589.483825][ T7755]  ? __rtnl_newlink+0x1930/0x1930
[  589.489072][ T7755]  rtnetlink_rcv_msg+0x3c7/0xe00
[  589.494045][ T7755]  ? rtnl_getlink+0xb40/0xb40
[  589.498747][ T7755]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  589.505199][ T7755]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  589.511296][ T7755]  ? __lock_acquire+0xc97/0x5dc0
[  589.516277][ T7755]  netlink_rcv_skb+0x16b/0x440
[  589.521074][ T7755]  ? rtnl_getlink+0xb40/0xb40
[  589.526043][ T7755]  ? netlink_ack+0x1370/0x1370
[  589.531214][ T7755]  ? lock_sync+0x180/0x180
[  589.535842][ T7755]  ? netlink_deliver_tap+0x1a0/0xd00
[  589.541175][ T7755]  ? _copy_from_iter+0x2c1/0x10f0
[  589.546508][ T7755]  netlink_unicast+0x53b/0x810
[  589.551741][ T7755]  ? netlink_attachskb+0x870/0x870
[  589.556993][ T7755]  ? __phys_addr_symbol+0x30/0x70
[  589.562324][ T7755]  ? __check_object_size+0x322/0x730
[  589.567824][ T7755]  netlink_sendmsg+0x939/0xe40
[  589.572637][ T7755]  ? netlink_unicast+0x810/0x810
[  589.577940][ T7755]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  589.583976][ T7755]  ? netlink_unicast+0x810/0x810
[  589.589451][ T7755]  __sock_sendmsg+0xd5/0x180
[  589.594180][ T7755]  ____sys_sendmsg+0x6ac/0x940
[  589.599094][ T7755]  ? copy_msghdr_from_user+0x10b/0x160
[  589.604958][ T7755]  ? kernel_sendmsg+0x50/0x50
[  589.609680][ T7755]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  589.615747][ T7755]  ___sys_sendmsg+0x135/0x1d0
[  589.620485][ T7755]  ? do_recvmmsg+0x740/0x740
[  589.625199][ T7755]  ? find_held_lock+0x2d/0x110
[  589.630034][ T7755]  ? preempt_count_sub+0x150/0x150
[  589.635196][ T7755]  ? __fget_light+0x1fa/0x260
[  589.639997][ T7755]  __sys_sendmsg+0x117/0x1e0
[  589.644618][ T7755]  ? __sys_sendmsg_sock+0x30/0x30
[  589.649722][ T7755]  ? syscall_enter_from_user_mode+0x26/0x80
[  589.655658][ T7755]  do_syscall_64+0x3f/0x110
[  589.660300][ T7755]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  589.666238][ T7755] RIP: 0033:0x7fa730b27eb9
[  589.670765][ T7755] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  589.690500][ T7755] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  589.699219][ T7755] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  589.707306][ T7755] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  589.715302][ T7755] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  589.723384][ T7755] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  589.731392][ T7755] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  589.739516][ T7755]  </TASK>
[  589.745666][ T7755] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  589.827647][ T7756] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  589.842456][ T7756] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  589.853336][ T7756] CPU: 1 PID: 7756 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  589.864864][ T7756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  589.875126][ T7756] Call Trace:
[  589.878716][ T7756]  <TASK>
[  589.881676][ T7756]  dump_stack_lvl+0x125/0x1b0
[  589.886419][ T7756]  sysfs_warn_dup+0x7f/0xa0
[  589.890962][ T7756]  sysfs_create_dir_ns+0x247/0x2a0
[  589.896276][ T7756]  ? sysfs_create_mount_point+0xb0/0xb0
[  589.901952][ T7756]  ? spin_bug+0x1c0/0x1c0
[  589.906321][ T7756]  ? net_namespace+0x12/0x40
[  589.911114][ T7756]  ? device_namespace+0x8d/0xc0
[  589.916089][ T7756]  kobject_add_internal+0x2c8/0x960
[  589.921435][ T7756]  kobject_add+0x16f/0x240
[  589.926034][ T7756]  ? kset_create_and_add+0x190/0x190
[  589.931571][ T7756]  ? do_raw_spin_unlock+0x172/0x230
[  589.937052][ T7756]  ? kobject_put+0xbe/0x440
[  589.941611][ T7756]  ? device_add+0xc35/0x1aa0
[  589.946277][ T7756]  device_add+0x289/0x1aa0
[  589.954055][ T7756]  ? device_initialize+0x510/0x510
[  589.959194][ T7756]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  589.965471][ T7756]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  589.972340][ T7756]  ? __init_waitqueue_head+0xca/0x150
[  589.977918][ T7756]  netdev_register_kobject+0x183/0x3f0
[  589.983454][ T7756]  register_netdevice+0xbdf/0x14a0
[  589.988696][ T7756]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  589.994728][ T7756]  ? team_nl_cmd_noop+0x280/0x280
[  590.000077][ T7756]  team_newlink+0x92/0x160
[  590.004694][ T7756]  ? team_nl_cmd_noop+0x280/0x280
[  590.009729][ T7756]  ? rtnl_create_link+0xa6d/0xfd0
[  590.014775][ T7756]  __rtnl_newlink+0x1173/0x1930
[  590.019655][ T7756]  ? rtnl_link_unregister+0x260/0x260
[  590.025102][ T7756]  rtnl_newlink+0x67/0xa0
[  590.029440][ T7756]  ? __rtnl_newlink+0x1930/0x1930
[  590.034919][ T7756]  rtnetlink_rcv_msg+0x3c7/0xe00
[  590.039870][ T7756]  ? rtnl_getlink+0xb40/0xb40
[  590.044664][ T7756]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  590.050888][ T7756]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  590.057364][ T7756]  ? __lock_acquire+0xc97/0x5dc0
[  590.062434][ T7756]  netlink_rcv_skb+0x16b/0x440
[  590.067656][ T7756]  ? rtnl_getlink+0xb40/0xb40
[  590.072518][ T7756]  ? netlink_ack+0x1370/0x1370
[  590.077833][ T7756]  ? lock_sync+0x180/0x180
[  590.082372][ T7756]  ? netlink_deliver_tap+0x1a0/0xd00
[  590.087721][ T7756]  ? _copy_from_iter+0x2c1/0x10f0
[  590.092768][ T7756]  netlink_unicast+0x53b/0x810
[  590.097605][ T7756]  ? netlink_attachskb+0x870/0x870
[  590.102902][ T7756]  ? __phys_addr_symbol+0x30/0x70
[  590.108021][ T7756]  ? __check_object_size+0x322/0x730
[  590.113576][ T7756]  netlink_sendmsg+0x939/0xe40
[  590.118535][ T7756]  ? netlink_unicast+0x810/0x810
[  590.123636][ T7756]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  590.128954][ T7756]  ? netlink_unicast+0x810/0x810
[  590.134090][ T7756]  __sock_sendmsg+0xd5/0x180
[  590.138953][ T7756]  ____sys_sendmsg+0x6ac/0x940
[  590.144160][ T7756]  ? copy_msghdr_from_user+0x10b/0x160
[  590.149744][ T7756]  ? kernel_sendmsg+0x50/0x50
[  590.154488][ T7756]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  590.160761][ T7756]  ___sys_sendmsg+0x135/0x1d0
[  590.165831][ T7756]  ? do_recvmmsg+0x740/0x740
[  590.170626][ T7756]  ? find_held_lock+0x2d/0x110
[  590.175588][ T7756]  ? preempt_count_sub+0x150/0x150
[  590.180810][ T7756]  ? __fget_light+0x1fa/0x260
[  590.185608][ T7756]  __sys_sendmsg+0x117/0x1e0
[  590.190236][ T7756]  ? __sys_sendmsg_sock+0x30/0x30
[  590.195391][ T7756]  ? syscall_enter_from_user_mode+0x26/0x80
[  590.201298][ T7756]  do_syscall_64+0x3f/0x110
[  590.205822][ T7756]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  590.211815][ T7756] RIP: 0033:0x7fa730b27eb9
[  590.216326][ T7756] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  590.236720][ T7756] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  590.245576][ T7756] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  590.253904][ T7756] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  590.261884][ T7756] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  590.269949][ T7756] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  590.278539][ T7756] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  590.286878][ T7756]  </TASK>
[  590.298235][ T7756] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  590.343400][ T7756] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  590.352924][ T7756] CPU: 1 PID: 7756 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  590.364248][ T7756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  590.374436][ T7756] Call Trace:
[  590.377731][ T7756]  <TASK>
[  590.380676][ T7756]  dump_stack_lvl+0x125/0x1b0
[  590.385431][ T7756]  sysfs_warn_dup+0x7f/0xa0
[  590.390049][ T7756]  sysfs_create_dir_ns+0x247/0x2a0
[  590.395448][ T7756]  ? sysfs_create_mount_point+0xb0/0xb0
[  590.401020][ T7756]  ? spin_bug+0x1c0/0x1c0
[  590.405383][ T7756]  ? net_namespace+0x12/0x40
[  590.410020][ T7756]  ? device_namespace+0x8d/0xc0
[  590.415268][ T7756]  kobject_add_internal+0x2c8/0x960
[  590.420603][ T7756]  kobject_add+0x16f/0x240
[  590.425224][ T7756]  ? kset_create_and_add+0x190/0x190
[  590.430559][ T7756]  ? do_raw_spin_unlock+0x172/0x230
[  590.435923][ T7756]  ? kobject_put+0xbe/0x440
[  590.440561][ T7756]  ? device_add+0xc35/0x1aa0
[  590.445276][ T7756]  device_add+0x289/0x1aa0
[  590.449719][ T7756]  ? device_initialize+0x510/0x510
[  590.454946][ T7756]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  590.460796][ T7756]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  590.467765][ T7756]  ? __init_waitqueue_head+0xca/0x150
[  590.473264][ T7756]  netdev_register_kobject+0x183/0x3f0
[  590.478755][ T7756]  register_netdevice+0xbdf/0x14a0
[  590.483894][ T7756]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  590.489809][ T7756]  ? validate_linkmsg+0x6fc/0x9c0
[  590.494870][ T7756]  ? rtnl_create_link+0xa6d/0xfd0
[  590.499933][ T7756]  ? batadv_get_sset_count+0x40/0x40
[  590.505262][ T7756]  batadv_softif_newlink+0x70/0x90
[  590.510403][ T7756]  __rtnl_newlink+0x1173/0x1930
[  590.515295][ T7756]  ? rtnl_link_unregister+0x260/0x260
[  590.520726][ T7756]  rtnl_newlink+0x67/0xa0
[  590.525252][ T7756]  ? __rtnl_newlink+0x1930/0x1930
[  590.530297][ T7756]  rtnetlink_rcv_msg+0x3c7/0xe00
[  590.535719][ T7756]  ? rtnl_getlink+0xb40/0xb40
[  590.540430][ T7756]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  590.546541][ T7756]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  590.552590][ T7756]  ? __lock_acquire+0xc97/0x5dc0
[  590.557843][ T7756]  netlink_rcv_skb+0x16b/0x440
[  590.562898][ T7756]  ? rtnl_getlink+0xb40/0xb40
[  590.567605][ T7756]  ? netlink_ack+0x1370/0x1370
[  590.572394][ T7756]  ? lock_sync+0x180/0x180
[  590.576960][ T7756]  ? netlink_deliver_tap+0x1a0/0xd00
[  590.582287][ T7756]  ? _copy_from_iter+0x2c1/0x10f0
[  590.587348][ T7756]  netlink_unicast+0x53b/0x810
[  590.592144][ T7756]  ? netlink_attachskb+0x870/0x870
[  590.597283][ T7756]  ? __phys_addr_symbol+0x30/0x70
[  590.602767][ T7756]  ? __check_object_size+0x322/0x730
[  590.608171][ T7756]  netlink_sendmsg+0x939/0xe40
[  590.613062][ T7756]  ? netlink_unicast+0x810/0x810
[  590.618117][ T7756]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  590.623435][ T7756]  ? netlink_unicast+0x810/0x810
[  590.628662][ T7756]  __sock_sendmsg+0xd5/0x180
[  590.633546][ T7756]  ____sys_sendmsg+0x6ac/0x940
[  590.638437][ T7756]  ? copy_msghdr_from_user+0x10b/0x160
[  590.643924][ T7756]  ? kernel_sendmsg+0x50/0x50
[  590.648645][ T7756]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  590.654754][ T7756]  ___sys_sendmsg+0x135/0x1d0
[  590.659544][ T7756]  ? do_recvmmsg+0x740/0x740
[  590.664164][ T7756]  ? find_held_lock+0x2d/0x110
[  590.669147][ T7756]  ? preempt_count_sub+0x150/0x150
[  590.674391][ T7756]  ? __fget_light+0x1fa/0x260
[  590.679196][ T7756]  __sys_sendmsg+0x117/0x1e0
[  590.683823][ T7756]  ? __sys_sendmsg_sock+0x30/0x30
[  590.688981][ T7756]  ? syscall_enter_from_user_mode+0x26/0x80
[  590.694901][ T7756]  do_syscall_64+0x3f/0x110
[  590.699440][ T7756]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  590.705363][ T7756] RIP: 0033:0x7fa730b27eb9
[  590.709967][ T7756] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  590.730124][ T7756] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  590.738742][ T7756] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  590.747002][ T7756] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  590.755258][ T7756] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  590.763415][ T7756] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  590.771672][ T7756] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  590.779680][ T7756]  </TASK>
[  590.783506][ T7756] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  590.843397][ T7757] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  590.855156][ T7757] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  590.864461][ T7757] CPU: 0 PID: 7757 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  590.875803][ T7757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  590.886067][ T7757] Call Trace:
[  590.889392][ T7757]  <TASK>
[  590.892354][ T7757]  dump_stack_lvl+0x125/0x1b0
[  590.897075][ T7757]  sysfs_warn_dup+0x7f/0xa0
[  590.901633][ T7757]  sysfs_create_dir_ns+0x247/0x2a0
[  590.907044][ T7757]  ? sysfs_create_mount_point+0xb0/0xb0
[  590.912718][ T7757]  ? spin_bug+0x1c0/0x1c0
[  590.917516][ T7757]  ? net_namespace+0x12/0x40
[  590.922136][ T7757]  ? device_namespace+0x8d/0xc0
[  590.927196][ T7757]  kobject_add_internal+0x2c8/0x960
[  590.932422][ T7757]  kobject_add+0x16f/0x240
[  590.936940][ T7757]  ? kset_create_and_add+0x190/0x190
[  590.942426][ T7757]  ? do_raw_spin_unlock+0x172/0x230
[  590.947760][ T7757]  ? kobject_put+0xbe/0x440
[  590.952557][ T7757]  ? device_add+0xc35/0x1aa0
[  590.957282][ T7757]  device_add+0x289/0x1aa0
[  590.961728][ T7757]  ? device_initialize+0x510/0x510
[  590.967033][ T7757]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  590.973029][ T7757]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  590.980729][ T7757]  ? __init_waitqueue_head+0xca/0x150
[  590.986668][ T7757]  netdev_register_kobject+0x183/0x3f0
[  590.992535][ T7757]  register_netdevice+0xbdf/0x14a0
[  590.997794][ T7757]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  591.003815][ T7757]  ? team_nl_cmd_noop+0x280/0x280
[  591.008963][ T7757]  team_newlink+0x92/0x160
[  591.014025][ T7757]  ? team_nl_cmd_noop+0x280/0x280
[  591.019074][ T7757]  ? rtnl_create_link+0xa6d/0xfd0
[  591.024475][ T7757]  __rtnl_newlink+0x1173/0x1930
[  591.029919][ T7757]  ? rtnl_link_unregister+0x260/0x260
[  591.035461][ T7757]  rtnl_newlink+0x67/0xa0
[  591.039928][ T7757]  ? __rtnl_newlink+0x1930/0x1930
[  591.045022][ T7757]  rtnetlink_rcv_msg+0x3c7/0xe00
[  591.050000][ T7757]  ? rtnl_getlink+0xb40/0xb40
[  591.055336][ T7757]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  591.062329][ T7757]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  591.074790][ T7757]  ? __lock_acquire+0xc97/0x5dc0
[  591.080054][ T7757]  netlink_rcv_skb+0x16b/0x440
[  591.084883][ T7757]  ? rtnl_getlink+0xb40/0xb40
[  591.089619][ T7757]  ? netlink_ack+0x1370/0x1370
[  591.094496][ T7757]  ? lock_sync+0x180/0x180
[  591.098976][ T7757]  ? netlink_deliver_tap+0x1a0/0xd00
[  591.104618][ T7757]  ? _copy_from_iter+0x2c1/0x10f0
[  591.109793][ T7757]  netlink_unicast+0x53b/0x810
[  591.114675][ T7757]  ? netlink_attachskb+0x870/0x870
[  591.119888][ T7757]  ? __phys_addr_symbol+0x30/0x70
[  591.124924][ T7757]  ? __check_object_size+0x322/0x730
[  591.130486][ T7757]  netlink_sendmsg+0x939/0xe40
[  591.135528][ T7757]  ? netlink_unicast+0x810/0x810
[  591.140573][ T7757]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  591.146084][ T7757]  ? netlink_unicast+0x810/0x810
[  591.151494][ T7757]  __sock_sendmsg+0xd5/0x180
[  591.156212][ T7757]  ____sys_sendmsg+0x6ac/0x940
[  591.161269][ T7757]  ? copy_msghdr_from_user+0x10b/0x160
[  591.166781][ T7757]  ? kernel_sendmsg+0x50/0x50
[  591.171829][ T7757]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  591.178134][ T7757]  ___sys_sendmsg+0x135/0x1d0
[  591.183595][ T7757]  ? do_recvmmsg+0x740/0x740
[  591.188387][ T7757]  ? find_held_lock+0x2d/0x110
[  591.193269][ T7757]  ? preempt_count_sub+0x150/0x150
[  591.202413][ T7757]  ? __fget_light+0x1fa/0x260
[  591.207216][ T7757]  __sys_sendmsg+0x117/0x1e0
[  591.211932][ T7757]  ? __sys_sendmsg_sock+0x30/0x30
[  591.217116][ T7757]  ? syscall_enter_from_user_mode+0x26/0x80
[  591.223233][ T7757]  do_syscall_64+0x3f/0x110
[  591.228034][ T7757]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  591.234057][ T7757] RIP: 0033:0x7fa730b27eb9
[  591.238530][ T7757] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  591.263844][ T7757] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  591.273011][ T7757] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  591.281378][ T7757] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  591.291097][ T7757] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  591.299365][ T7757] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  591.308163][ T7757] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  591.316249][ T7757]  </TASK>
[  591.324897][ T7757] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  591.370020][ T7757] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  591.380438][ T7757] CPU: 0 PID: 7757 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  591.391859][ T7757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  591.401963][ T7757] Call Trace:
[  591.405263][ T7757]  <TASK>
[  591.408293][ T7757]  dump_stack_lvl+0x125/0x1b0
[  591.413199][ T7757]  sysfs_warn_dup+0x7f/0xa0
[  591.417732][ T7757]  sysfs_create_dir_ns+0x247/0x2a0
[  591.423130][ T7757]  ? sysfs_create_mount_point+0xb0/0xb0
[  591.428892][ T7757]  ? spin_bug+0x1c0/0x1c0
[  591.433363][ T7757]  ? net_namespace+0x12/0x40
[  591.438013][ T7757]  ? device_namespace+0x8d/0xc0
[  591.443211][ T7757]  kobject_add_internal+0x2c8/0x960
[  591.448578][ T7757]  kobject_add+0x16f/0x240
[  591.453230][ T7757]  ? kset_create_and_add+0x190/0x190
[  591.458959][ T7757]  ? do_raw_spin_unlock+0x172/0x230
[  591.464239][ T7757]  ? kobject_put+0xbe/0x440
[  591.469322][ T7757]  ? device_add+0xc35/0x1aa0
[  591.474398][ T7757]  device_add+0x289/0x1aa0
[  591.478974][ T7757]  ? device_initialize+0x510/0x510
[  591.484309][ T7757]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  591.490973][ T7757]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  591.497984][ T7757]  ? __init_waitqueue_head+0xca/0x150
[  591.503470][ T7757]  netdev_register_kobject+0x183/0x3f0
[  591.509186][ T7757]  register_netdevice+0xbdf/0x14a0
[  591.514463][ T7757]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  591.520672][ T7757]  ? validate_linkmsg+0x6fc/0x9c0
[  591.526025][ T7757]  ? rtnl_create_link+0xa6d/0xfd0
[  591.531203][ T7757]  ? batadv_get_sset_count+0x40/0x40
[  591.536903][ T7757]  batadv_softif_newlink+0x70/0x90
[  591.542166][ T7757]  __rtnl_newlink+0x1173/0x1930
[  591.547077][ T7757]  ? rtnl_link_unregister+0x260/0x260
[  591.552618][ T7757]  rtnl_newlink+0x67/0xa0
[  591.557240][ T7757]  ? __rtnl_newlink+0x1930/0x1930
[  591.562293][ T7757]  rtnetlink_rcv_msg+0x3c7/0xe00
[  591.567366][ T7757]  ? rtnl_getlink+0xb40/0xb40
[  591.572069][ T7757]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  591.578181][ T7757]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  591.584464][ T7757]  ? __lock_acquire+0xc97/0x5dc0
[  591.589556][ T7757]  netlink_rcv_skb+0x16b/0x440
[  591.594372][ T7757]  ? rtnl_getlink+0xb40/0xb40
[  591.599085][ T7757]  ? netlink_ack+0x1370/0x1370
[  591.603971][ T7757]  ? lock_sync+0x180/0x180
[  591.609060][ T7757]  ? netlink_deliver_tap+0x1a0/0xd00
[  591.615370][ T7757]  ? _copy_from_iter+0x2c1/0x10f0
[  591.620541][ T7757]  netlink_unicast+0x53b/0x810
[  591.625806][ T7757]  ? netlink_attachskb+0x870/0x870
[  591.631046][ T7757]  ? __phys_addr_symbol+0x30/0x70
[  591.636242][ T7757]  ? __check_object_size+0x322/0x730
[  591.641576][ T7757]  netlink_sendmsg+0x939/0xe40
[  591.647807][ T7757]  ? netlink_unicast+0x810/0x810
[  591.652799][ T7757]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  591.658212][ T7757]  ? netlink_unicast+0x810/0x810
[  591.663282][ T7757]  __sock_sendmsg+0xd5/0x180
[  591.668083][ T7757]  ____sys_sendmsg+0x6ac/0x940
[  591.673155][ T7757]  ? copy_msghdr_from_user+0x10b/0x160
[  591.678733][ T7757]  ? kernel_sendmsg+0x50/0x50
[  591.683447][ T7757]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  591.689599][ T7757]  ___sys_sendmsg+0x135/0x1d0
[  591.694547][ T7757]  ? do_recvmmsg+0x740/0x740
[  591.699345][ T7757]  ? find_held_lock+0x2d/0x110
[  591.704251][ T7757]  ? preempt_count_sub+0x150/0x150
[  591.709507][ T7757]  ? __fget_light+0x1fa/0x260
[  591.714713][ T7757]  __sys_sendmsg+0x117/0x1e0
[  591.719422][ T7757]  ? __sys_sendmsg_sock+0x30/0x30
[  591.724676][ T7757]  ? syscall_enter_from_user_mode+0x26/0x80
[  591.731044][ T7757]  do_syscall_64+0x3f/0x110
[  591.735672][ T7757]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  591.741905][ T7757] RIP: 0033:0x7fa730b27eb9
[  591.746425][ T7757] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  591.766245][ T7757] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  591.774968][ T7757] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  591.783140][ T7757] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  591.791322][ T7757] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  591.799315][ T7757] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  591.807432][ T7757] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  591.815446][ T7757]  </TASK>
[  591.824335][ T7757] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  591.893373][ T7758] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  591.908925][ T7758] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  591.919925][ T7758] CPU: 0 PID: 7758 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  591.934749][ T7758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  591.945360][ T7758] Call Trace:
[  591.948931][ T7758]  <TASK>
[  591.951885][ T7758]  dump_stack_lvl+0x125/0x1b0
[  591.957132][ T7758]  sysfs_warn_dup+0x7f/0xa0
[  591.961840][ T7758]  sysfs_create_dir_ns+0x247/0x2a0
[  591.967160][ T7758]  ? sysfs_create_mount_point+0xb0/0xb0
[  591.972738][ T7758]  ? spin_bug+0x1c0/0x1c0
[  591.977116][ T7758]  ? net_namespace+0x12/0x40
[  591.981848][ T7758]  ? device_namespace+0x8d/0xc0
[  591.986748][ T7758]  kobject_add_internal+0x2c8/0x960
[  591.992005][ T7758]  kobject_add+0x16f/0x240
[  591.996474][ T7758]  ? kset_create_and_add+0x190/0x190
[  592.001802][ T7758]  ? do_raw_spin_unlock+0x172/0x230
[  592.007044][ T7758]  ? kobject_put+0xbe/0x440
[  592.011587][ T7758]  ? device_add+0xc35/0x1aa0
[  592.016302][ T7758]  device_add+0x289/0x1aa0
[  592.020750][ T7758]  ? device_initialize+0x510/0x510
[  592.025898][ T7758]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  592.032120][ T7758]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  592.039216][ T7758]  ? __init_waitqueue_head+0xca/0x150
[  592.044989][ T7758]  netdev_register_kobject+0x183/0x3f0
[  592.050508][ T7758]  register_netdevice+0xbdf/0x14a0
[  592.055679][ T7758]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  592.061627][ T7758]  ? team_nl_cmd_noop+0x280/0x280
[  592.066884][ T7758]  team_newlink+0x92/0x160
[  592.071358][ T7758]  ? team_nl_cmd_noop+0x280/0x280
[  592.077022][ T7758]  ? rtnl_create_link+0xa6d/0xfd0
[  592.082333][ T7758]  __rtnl_newlink+0x1173/0x1930
[  592.087337][ T7758]  ? rtnl_link_unregister+0x260/0x260
[  592.092883][ T7758]  rtnl_newlink+0x67/0xa0
[  592.097247][ T7758]  ? __rtnl_newlink+0x1930/0x1930
[  592.102418][ T7758]  rtnetlink_rcv_msg+0x3c7/0xe00
[  592.109059][ T7758]  ? rtnl_getlink+0xb40/0xb40
[  592.113820][ T7758]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  592.120122][ T7758]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  592.126278][ T7758]  ? __lock_acquire+0xc97/0x5dc0
[  592.131602][ T7758]  netlink_rcv_skb+0x16b/0x440
[  592.136944][ T7758]  ? rtnl_getlink+0xb40/0xb40
[  592.141768][ T7758]  ? netlink_ack+0x1370/0x1370
[  592.146581][ T7758]  ? lock_sync+0x180/0x180
[  592.151253][ T7758]  ? netlink_deliver_tap+0x1a0/0xd00
[  592.156696][ T7758]  ? _copy_from_iter+0x2c1/0x10f0
[  592.162228][ T7758]  netlink_unicast+0x53b/0x810
[  592.167316][ T7758]  ? netlink_attachskb+0x870/0x870
[  592.173447][ T7758]  ? __phys_addr_symbol+0x30/0x70
[  592.178538][ T7758]  ? __check_object_size+0x322/0x730
[  592.184065][ T7758]  netlink_sendmsg+0x939/0xe40
[  592.189059][ T7758]  ? netlink_unicast+0x810/0x810
[  592.194308][ T7758]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  592.200502][ T7758]  ? netlink_unicast+0x810/0x810
[  592.205686][ T7758]  __sock_sendmsg+0xd5/0x180
[  592.210317][ T7758]  ____sys_sendmsg+0x6ac/0x940
[  592.215205][ T7758]  ? copy_msghdr_from_user+0x10b/0x160
[  592.221234][ T7758]  ? kernel_sendmsg+0x50/0x50
[  592.226135][ T7758]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  592.232482][ T7758]  ___sys_sendmsg+0x135/0x1d0
[  592.237222][ T7758]  ? do_recvmmsg+0x740/0x740
[  592.242025][ T7758]  ? find_held_lock+0x2d/0x110
[  592.246854][ T7758]  ? preempt_count_sub+0x150/0x150
[  592.252186][ T7758]  ? __fget_light+0x1fa/0x260
[  592.256909][ T7758]  __sys_sendmsg+0x117/0x1e0
[  592.261658][ T7758]  ? __sys_sendmsg_sock+0x30/0x30
[  592.266840][ T7758]  ? syscall_enter_from_user_mode+0x26/0x80
[  592.272893][ T7758]  do_syscall_64+0x3f/0x110
[  592.277602][ T7758]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  592.283544][ T7758] RIP: 0033:0x7fa730b27eb9
[  592.288076][ T7758] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  592.308573][ T7758] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  592.319730][ T7758] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  592.328084][ T7758] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  592.336085][ T7758] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  592.344078][ T7758] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  592.352526][ T7758] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  592.360569][ T7758]  </TASK>
[  592.364147][ T7758] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  592.392239][ T7758] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  592.402022][ T7758] CPU: 0 PID: 7758 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  592.413541][ T7758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  592.424137][ T7758] Call Trace:
[  592.427616][ T7758]  <TASK>
[  592.430759][ T7758]  dump_stack_lvl+0x125/0x1b0
[  592.435557][ T7758]  sysfs_warn_dup+0x7f/0xa0
[  592.440097][ T7758]  sysfs_create_dir_ns+0x247/0x2a0
[  592.445349][ T7758]  ? sysfs_create_mount_point+0xb0/0xb0
[  592.451014][ T7758]  ? spin_bug+0x1c0/0x1c0
[  592.455475][ T7758]  ? net_namespace+0x12/0x40
[  592.460174][ T7758]  ? device_namespace+0x8d/0xc0
[  592.465243][ T7758]  kobject_add_internal+0x2c8/0x960
[  592.470587][ T7758]  kobject_add+0x16f/0x240
[  592.475119][ T7758]  ? kset_create_and_add+0x190/0x190
[  592.480495][ T7758]  ? do_raw_spin_unlock+0x172/0x230
[  592.485729][ T7758]  ? kobject_put+0xbe/0x440
[  592.490263][ T7758]  ? device_add+0xc35/0x1aa0
[  592.494883][ T7758]  device_add+0x289/0x1aa0
[  592.499413][ T7758]  ? device_initialize+0x510/0x510
[  592.504550][ T7758]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  592.510671][ T7758]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  592.517887][ T7758]  ? __init_waitqueue_head+0xca/0x150
[  592.523580][ T7758]  netdev_register_kobject+0x183/0x3f0
[  592.529707][ T7758]  register_netdevice+0xbdf/0x14a0
[  592.534857][ T7758]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  592.540782][ T7758]  ? validate_linkmsg+0x6fc/0x9c0
[  592.545931][ T7758]  ? rtnl_create_link+0xa6d/0xfd0
[  592.551076][ T7758]  ? batadv_get_sset_count+0x40/0x40
[  592.556420][ T7758]  batadv_softif_newlink+0x70/0x90
[  592.561656][ T7758]  __rtnl_newlink+0x1173/0x1930
[  592.566722][ T7758]  ? rtnl_link_unregister+0x260/0x260
[  592.572333][ T7758]  rtnl_newlink+0x67/0xa0
[  592.576882][ T7758]  ? __rtnl_newlink+0x1930/0x1930
[  592.582032][ T7758]  rtnetlink_rcv_msg+0x3c7/0xe00
[  592.587002][ T7758]  ? rtnl_getlink+0xb40/0xb40
[  592.591978][ T7758]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  592.598040][ T7758]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  592.604088][ T7758]  ? __lock_acquire+0xc97/0x5dc0
[  592.609158][ T7758]  netlink_rcv_skb+0x16b/0x440
[  592.614225][ T7758]  ? rtnl_getlink+0xb40/0xb40
[  592.619111][ T7758]  ? netlink_ack+0x1370/0x1370
[  592.624008][ T7758]  ? lock_sync+0x180/0x180
[  592.628771][ T7758]  ? netlink_deliver_tap+0x1a0/0xd00
[  592.634084][ T7758]  ? _copy_from_iter+0x2c1/0x10f0
[  592.639342][ T7758]  netlink_unicast+0x53b/0x810
[  592.644260][ T7758]  ? netlink_attachskb+0x870/0x870
[  592.649577][ T7758]  ? __phys_addr_symbol+0x30/0x70
[  592.655279][ T7758]  ? __check_object_size+0x322/0x730
[  592.660611][ T7758]  netlink_sendmsg+0x939/0xe40
[  592.665434][ T7758]  ? netlink_unicast+0x810/0x810
[  592.671224][ T7758]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  592.676734][ T7758]  ? netlink_unicast+0x810/0x810
[  592.681798][ T7758]  __sock_sendmsg+0xd5/0x180
[  592.686421][ T7758]  ____sys_sendmsg+0x6ac/0x940
[  592.691383][ T7758]  ? copy_msghdr_from_user+0x10b/0x160
[  592.696963][ T7758]  ? kernel_sendmsg+0x50/0x50
[  592.701936][ T7758]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  592.708132][ T7758]  ___sys_sendmsg+0x135/0x1d0
[  592.712860][ T7758]  ? do_recvmmsg+0x740/0x740
[  592.717848][ T7758]  ? find_held_lock+0x2d/0x110
[  592.722867][ T7758]  ? preempt_count_sub+0x150/0x150
[  592.733040][ T7758]  ? __fget_light+0x1fa/0x260
[  592.738344][ T7758]  __sys_sendmsg+0x117/0x1e0
[  592.743288][ T7758]  ? __sys_sendmsg_sock+0x30/0x30
[  592.748747][ T7758]  ? syscall_enter_from_user_mode+0x26/0x80
[  592.754756][ T7758]  do_syscall_64+0x3f/0x110
[  592.759416][ T7758]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  592.766571][ T7758] RIP: 0033:0x7fa730b27eb9
[  592.771560][ T7758] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  592.792878][ T7758] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  592.801619][ T7758] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  592.812333][ T7758] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  592.820525][ T7758] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  592.828820][ T7758] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  592.837132][ T7758] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  592.845197][ T7758]  </TASK>
[  592.850206][ T7758] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  592.907465][ T7759] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  592.921349][ T7759] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  592.935551][ T7759] CPU: 1 PID: 7759 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  592.947606][ T7759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  592.960745][ T7759] Call Trace:
[  592.964044][ T7759]  <TASK>
[  592.966984][ T7759]  dump_stack_lvl+0x125/0x1b0
[  592.971862][ T7759]  sysfs_warn_dup+0x7f/0xa0
[  592.976414][ T7759]  sysfs_create_dir_ns+0x247/0x2a0
[  592.981849][ T7759]  ? sysfs_create_mount_point+0xb0/0xb0
[  592.987988][ T7759]  ? spin_bug+0x1c0/0x1c0
[  592.992358][ T7759]  ? net_namespace+0x12/0x40
[  592.997825][ T7759]  ? device_namespace+0x8d/0xc0
[  593.003277][ T7759]  kobject_add_internal+0x2c8/0x960
[  593.008701][ T7759]  kobject_add+0x16f/0x240
[  593.013436][ T7759]  ? kset_create_and_add+0x190/0x190
[  593.019299][ T7759]  ? do_raw_spin_unlock+0x172/0x230
[  593.024632][ T7759]  ? kobject_put+0xbe/0x440
[  593.029428][ T7759]  ? device_add+0xc35/0x1aa0
[  593.034133][ T7759]  device_add+0x289/0x1aa0
[  593.038620][ T7759]  ? device_initialize+0x510/0x510
[  593.043999][ T7759]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  593.049821][ T7759]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  593.057157][ T7759]  ? __init_waitqueue_head+0xca/0x150
[  593.062549][ T7759]  netdev_register_kobject+0x183/0x3f0
[  593.068496][ T7759]  register_netdevice+0xbdf/0x14a0
[  593.073901][ T7759]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  593.079830][ T7759]  ? team_nl_cmd_noop+0x280/0x280
[  593.084901][ T7759]  team_newlink+0x92/0x160
[  593.089364][ T7759]  ? team_nl_cmd_noop+0x280/0x280
[  593.094407][ T7759]  ? rtnl_create_link+0xa6d/0xfd0
[  593.099731][ T7759]  __rtnl_newlink+0x1173/0x1930
[  593.104719][ T7759]  ? rtnl_link_unregister+0x260/0x260
[  593.110796][ T7759]  rtnl_newlink+0x67/0xa0
[  593.115137][ T7759]  ? __rtnl_newlink+0x1930/0x1930
[  593.120441][ T7759]  rtnetlink_rcv_msg+0x3c7/0xe00
[  593.126087][ T7759]  ? rtnl_getlink+0xb40/0xb40
[  593.131041][ T7759]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  593.137242][ T7759]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  593.143323][ T7759]  ? __lock_acquire+0xc97/0x5dc0
[  593.148290][ T7759]  netlink_rcv_skb+0x16b/0x440
[  593.153678][ T7759]  ? rtnl_getlink+0xb40/0xb40
[  593.158823][ T7759]  ? netlink_ack+0x1370/0x1370
[  593.163622][ T7759]  ? lock_sync+0x180/0x180
[  593.168337][ T7759]  ? netlink_deliver_tap+0x1a0/0xd00
[  593.173816][ T7759]  ? _copy_from_iter+0x2c1/0x10f0
[  593.179382][ T7759]  netlink_unicast+0x53b/0x810
[  593.185033][ T7759]  ? netlink_attachskb+0x870/0x870
[  593.190216][ T7759]  ? __phys_addr_symbol+0x30/0x70
[  593.195456][ T7759]  ? __check_object_size+0x322/0x730
[  593.200896][ T7759]  netlink_sendmsg+0x939/0xe40
[  593.205858][ T7759]  ? netlink_unicast+0x810/0x810
[  593.211196][ T7759]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  593.216673][ T7759]  ? netlink_unicast+0x810/0x810
[  593.222068][ T7759]  __sock_sendmsg+0xd5/0x180
[  593.226937][ T7759]  ____sys_sendmsg+0x6ac/0x940
[  593.232154][ T7759]  ? copy_msghdr_from_user+0x10b/0x160
[  593.237710][ T7759]  ? kernel_sendmsg+0x50/0x50
[  593.242917][ T7759]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  593.248920][ T7759]  ___sys_sendmsg+0x135/0x1d0
[  593.253983][ T7759]  ? do_recvmmsg+0x740/0x740
[  593.258847][ T7759]  ? find_held_lock+0x2d/0x110
[  593.264258][ T7759]  ? preempt_count_sub+0x150/0x150
[  593.270306][ T7759]  ? __fget_light+0x1fa/0x260
[  593.275204][ T7759]  __sys_sendmsg+0x117/0x1e0
[  593.279843][ T7759]  ? __sys_sendmsg_sock+0x30/0x30
[  593.285330][ T7759]  ? syscall_enter_from_user_mode+0x26/0x80
[  593.291323][ T7759]  do_syscall_64+0x3f/0x110
[  593.295842][ T7759]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  593.301764][ T7759] RIP: 0033:0x7fa730b27eb9
[  593.307392][ T7759] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  593.327472][ T7759] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  593.335911][ T7759] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  593.344146][ T7759] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  593.352128][ T7759] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  593.360714][ T7759] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  593.368864][ T7759] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  593.377118][ T7759]  </TASK>
[  593.398250][ T7759] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  593.425953][ T7759] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  593.435854][ T7759] CPU: 1 PID: 7759 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  593.447412][ T7759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  593.457756][ T7759] Call Trace:
[  593.461050][ T7759]  <TASK>
[  593.464028][ T7759]  dump_stack_lvl+0x125/0x1b0
[  593.469105][ T7759]  sysfs_warn_dup+0x7f/0xa0
[  593.473689][ T7759]  sysfs_create_dir_ns+0x247/0x2a0
[  593.478880][ T7759]  ? sysfs_create_mount_point+0xb0/0xb0
[  593.484625][ T7759]  ? spin_bug+0x1c0/0x1c0
[  593.488998][ T7759]  ? net_namespace+0x12/0x40
[  593.493921][ T7759]  ? device_namespace+0x8d/0xc0
[  593.498993][ T7759]  kobject_add_internal+0x2c8/0x960
[  593.504942][ T7759]  kobject_add+0x16f/0x240
[  593.509584][ T7759]  ? kset_create_and_add+0x190/0x190
[  593.514918][ T7759]  ? do_raw_spin_unlock+0x172/0x230
[  593.520494][ T7759]  ? kobject_put+0xbe/0x440
[  593.525220][ T7759]  ? device_add+0xc35/0x1aa0
[  593.529924][ T7759]  device_add+0x289/0x1aa0
[  593.534627][ T7759]  ? device_initialize+0x510/0x510
[  593.539939][ T7759]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  593.545959][ T7759]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  593.552846][ T7759]  ? __init_waitqueue_head+0xca/0x150
[  593.558277][ T7759]  netdev_register_kobject+0x183/0x3f0
[  593.563963][ T7759]  register_netdevice+0xbdf/0x14a0
[  593.569457][ T7759]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  593.575560][ T7759]  ? validate_linkmsg+0x6fc/0x9c0
[  593.580635][ T7759]  ? rtnl_create_link+0xa6d/0xfd0
[  593.585828][ T7759]  ? batadv_get_sset_count+0x40/0x40
[  593.591513][ T7759]  batadv_softif_newlink+0x70/0x90
[  593.596768][ T7759]  __rtnl_newlink+0x1173/0x1930
[  593.601863][ T7759]  ? rtnl_link_unregister+0x260/0x260
[  593.607339][ T7759]  rtnl_newlink+0x67/0xa0
[  593.611809][ T7759]  ? __rtnl_newlink+0x1930/0x1930
[  593.616957][ T7759]  rtnetlink_rcv_msg+0x3c7/0xe00
[  593.621936][ T7759]  ? rtnl_getlink+0xb40/0xb40
[  593.626727][ T7759]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  593.633284][ T7759]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  593.639587][ T7759]  ? __lock_acquire+0xc97/0x5dc0
[  593.644571][ T7759]  netlink_rcv_skb+0x16b/0x440
[  593.649367][ T7759]  ? rtnl_getlink+0xb40/0xb40
[  593.654694][ T7759]  ? netlink_ack+0x1370/0x1370
[  593.659493][ T7759]  ? lock_sync+0x180/0x180
[  593.664049][ T7759]  ? netlink_deliver_tap+0x1a0/0xd00
[  593.669556][ T7759]  ? _copy_from_iter+0x2c1/0x10f0
[  593.674803][ T7759]  netlink_unicast+0x53b/0x810
[  593.679886][ T7759]  ? netlink_attachskb+0x870/0x870
[  593.685320][ T7759]  ? __phys_addr_symbol+0x30/0x70
[  593.690547][ T7759]  ? __check_object_size+0x322/0x730
[  593.695868][ T7759]  netlink_sendmsg+0x939/0xe40
[  593.700756][ T7759]  ? netlink_unicast+0x810/0x810
[  593.705902][ T7759]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  593.711573][ T7759]  ? netlink_unicast+0x810/0x810
[  593.716558][ T7759]  __sock_sendmsg+0xd5/0x180
[  593.721406][ T7759]  ____sys_sendmsg+0x6ac/0x940
[  593.726214][ T7759]  ? copy_msghdr_from_user+0x10b/0x160
[  593.731715][ T7759]  ? kernel_sendmsg+0x50/0x50
[  593.736555][ T7759]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  593.742681][ T7759]  ___sys_sendmsg+0x135/0x1d0
[  593.747760][ T7759]  ? do_recvmmsg+0x740/0x740
[  593.753008][ T7759]  ? find_held_lock+0x2d/0x110
[  593.757827][ T7759]  ? preempt_count_sub+0x150/0x150
[  593.764060][ T7759]  ? __fget_light+0x1fa/0x260
[  593.769405][ T7759]  __sys_sendmsg+0x117/0x1e0
[  593.774211][ T7759]  ? __sys_sendmsg_sock+0x30/0x30
[  593.779731][ T7759]  ? syscall_enter_from_user_mode+0x26/0x80
[  593.786014][ T7759]  do_syscall_64+0x3f/0x110
[  593.790560][ T7759]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  593.796481][ T7759] RIP: 0033:0x7fa730b27eb9
[  593.800927][ T7759] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  593.820948][ T7759] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  593.829831][ T7759] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  593.838622][ T7759] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  593.846795][ T7759] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  593.855338][ T7759] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  593.863701][ T7759] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  593.871729][ T7759]  </TASK>
[  593.888914][ T7759] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  593.949395][ T7760] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  593.960789][ T7760] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  593.970674][ T7760] CPU: 1 PID: 7760 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  593.982256][ T7760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  593.994431][ T7760] Call Trace:
[  593.997805][ T7760]  <TASK>
[  594.000745][ T7760]  dump_stack_lvl+0x125/0x1b0
[  594.005540][ T7760]  sysfs_warn_dup+0x7f/0xa0
[  594.010135][ T7760]  sysfs_create_dir_ns+0x247/0x2a0
[  594.016232][ T7760]  ? sysfs_create_mount_point+0xb0/0xb0
[  594.021884][ T7760]  ? spin_bug+0x1c0/0x1c0
[  594.026329][ T7760]  ? net_namespace+0x12/0x40
[  594.030948][ T7760]  ? device_namespace+0x8d/0xc0
[  594.036319][ T7760]  kobject_add_internal+0x2c8/0x960
[  594.041682][ T7760]  kobject_add+0x16f/0x240
[  594.046298][ T7760]  ? kset_create_and_add+0x190/0x190
[  594.051896][ T7760]  ? do_raw_spin_unlock+0x172/0x230
[  594.057425][ T7760]  ? kobject_put+0xbe/0x440
[  594.062131][ T7760]  ? device_add+0xc35/0x1aa0
[  594.066861][ T7760]  device_add+0x289/0x1aa0
[  594.071443][ T7760]  ? device_initialize+0x510/0x510
[  594.076668][ T7760]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  594.082687][ T7760]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  594.089927][ T7760]  ? __init_waitqueue_head+0xca/0x150
[  594.095336][ T7760]  netdev_register_kobject+0x183/0x3f0
[  594.100903][ T7760]  register_netdevice+0xbdf/0x14a0
[  594.106028][ T7760]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  594.111936][ T7760]  ? team_nl_cmd_noop+0x280/0x280
[  594.116984][ T7760]  team_newlink+0x92/0x160
[  594.121508][ T7760]  ? team_nl_cmd_noop+0x280/0x280
[  594.126726][ T7760]  ? rtnl_create_link+0xa6d/0xfd0
[  594.132736][ T7760]  __rtnl_newlink+0x1173/0x1930
[  594.137636][ T7760]  ? rtnl_link_unregister+0x260/0x260
[  594.143148][ T7760]  rtnl_newlink+0x67/0xa0
[  594.148193][ T7760]  ? __rtnl_newlink+0x1930/0x1930
[  594.153249][ T7760]  rtnetlink_rcv_msg+0x3c7/0xe00
[  594.158402][ T7760]  ? rtnl_getlink+0xb40/0xb40
[  594.163189][ T7760]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  594.171119][ T7760]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  594.177247][ T7760]  ? __lock_acquire+0xc97/0x5dc0
[  594.182403][ T7760]  netlink_rcv_skb+0x16b/0x440
[  594.187685][ T7760]  ? rtnl_getlink+0xb40/0xb40
[  594.192476][ T7760]  ? netlink_ack+0x1370/0x1370
[  594.197342][ T7760]  ? lock_sync+0x180/0x180
[  594.202402][ T7760]  ? netlink_deliver_tap+0x1a0/0xd00
[  594.208619][ T7760]  ? _copy_from_iter+0x2c1/0x10f0
[  594.213785][ T7760]  netlink_unicast+0x53b/0x810
[  594.219404][ T7760]  ? netlink_attachskb+0x870/0x870
[  594.224892][ T7760]  ? __phys_addr_symbol+0x30/0x70
[  594.229944][ T7760]  ? __check_object_size+0x322/0x730
[  594.235506][ T7760]  netlink_sendmsg+0x939/0xe40
[  594.240511][ T7760]  ? netlink_unicast+0x810/0x810
[  594.245764][ T7760]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  594.251432][ T7760]  ? netlink_unicast+0x810/0x810
[  594.256805][ T7760]  __sock_sendmsg+0xd5/0x180
[  594.261416][ T7760]  ____sys_sendmsg+0x6ac/0x940
[  594.266499][ T7760]  ? copy_msghdr_from_user+0x10b/0x160
[  594.272354][ T7760]  ? kernel_sendmsg+0x50/0x50
[  594.277428][ T7760]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  594.283652][ T7760]  ___sys_sendmsg+0x135/0x1d0
[  594.288632][ T7760]  ? do_recvmmsg+0x740/0x740
[  594.293701][ T7760]  ? find_held_lock+0x2d/0x110
[  594.298525][ T7760]  ? preempt_count_sub+0x150/0x150
[  594.304121][ T7760]  ? __fget_light+0x1fa/0x260
[  594.308853][ T7760]  __sys_sendmsg+0x117/0x1e0
[  594.313510][ T7760]  ? __sys_sendmsg_sock+0x30/0x30
[  594.318585][ T7760]  ? syscall_enter_from_user_mode+0x26/0x80
[  594.324792][ T7760]  do_syscall_64+0x3f/0x110
[  594.329424][ T7760]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  594.335715][ T7760] RIP: 0033:0x7fa730b27eb9
[  594.340327][ T7760] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  594.361746][ T7760] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  594.370462][ T7760] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  594.378466][ T7760] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  594.386572][ T7760] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  594.394753][ T7760] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  594.402826][ T7760] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  594.412309][ T7760]  </TASK>
[  594.432186][ T7760] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  594.461312][ T7760] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  594.470894][ T7760] CPU: 1 PID: 7760 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  594.482391][ T7760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  594.492998][ T7760] Call Trace:
[  594.496302][ T7760]  <TASK>
[  594.499494][ T7760]  dump_stack_lvl+0x125/0x1b0
[  594.504209][ T7760]  sysfs_warn_dup+0x7f/0xa0
[  594.509020][ T7760]  sysfs_create_dir_ns+0x247/0x2a0
[  594.514522][ T7760]  ? sysfs_create_mount_point+0xb0/0xb0
[  594.520215][ T7760]  ? spin_bug+0x1c0/0x1c0
[  594.524772][ T7760]  ? net_namespace+0x12/0x40
[  594.530265][ T7760]  ? device_namespace+0x8d/0xc0
[  594.535242][ T7760]  kobject_add_internal+0x2c8/0x960
[  594.540508][ T7760]  kobject_add+0x16f/0x240
[  594.544966][ T7760]  ? kset_create_and_add+0x190/0x190
[  594.550989][ T7760]  ? do_raw_spin_unlock+0x172/0x230
[  594.556726][ T7760]  ? kobject_put+0xbe/0x440
[  594.561538][ T7760]  ? device_add+0xc35/0x1aa0
[  594.566347][ T7760]  device_add+0x289/0x1aa0
[  594.571249][ T7760]  ? device_initialize+0x510/0x510
[  594.576841][ T7760]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  594.582767][ T7760]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  594.589893][ T7760]  ? __init_waitqueue_head+0xca/0x150
[  594.595395][ T7760]  netdev_register_kobject+0x183/0x3f0
[  594.600889][ T7760]  register_netdevice+0xbdf/0x14a0
[  594.606021][ T7760]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  594.611934][ T7760]  ? validate_linkmsg+0x6fc/0x9c0
[  594.617075][ T7760]  ? rtnl_create_link+0xa6d/0xfd0
[  594.622483][ T7760]  ? batadv_get_sset_count+0x40/0x40
[  594.627787][ T7760]  batadv_softif_newlink+0x70/0x90
[  594.632924][ T7760]  __rtnl_newlink+0x1173/0x1930
[  594.638002][ T7760]  ? rtnl_link_unregister+0x260/0x260
[  594.643428][ T7760]  rtnl_newlink+0x67/0xa0
[  594.648057][ T7760]  ? __rtnl_newlink+0x1930/0x1930
[  594.653189][ T7760]  rtnetlink_rcv_msg+0x3c7/0xe00
[  594.658501][ T7760]  ? rtnl_getlink+0xb40/0xb40
[  594.663305][ T7760]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  594.670617][ T7760]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  594.676813][ T7760]  ? __lock_acquire+0xc97/0x5dc0
[  594.681979][ T7760]  netlink_rcv_skb+0x16b/0x440
[  594.686796][ T7760]  ? rtnl_getlink+0xb40/0xb40
[  594.691624][ T7760]  ? netlink_ack+0x1370/0x1370
[  594.696528][ T7760]  ? lock_sync+0x180/0x180
[  594.700979][ T7760]  ? netlink_deliver_tap+0x1a0/0xd00
[  594.706331][ T7760]  ? _copy_from_iter+0x2c1/0x10f0
[  594.711510][ T7760]  netlink_unicast+0x53b/0x810
[  594.716321][ T7760]  ? netlink_attachskb+0x870/0x870
[  594.721798][ T7760]  ? __phys_addr_symbol+0x30/0x70
[  594.726840][ T7760]  ? __check_object_size+0x322/0x730
[  594.732153][ T7760]  netlink_sendmsg+0x939/0xe40
[  594.737025][ T7760]  ? netlink_unicast+0x810/0x810
[  594.742152][ T7760]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  594.747551][ T7760]  ? netlink_unicast+0x810/0x810
[  594.752529][ T7760]  __sock_sendmsg+0xd5/0x180
[  594.757172][ T7760]  ____sys_sendmsg+0x6ac/0x940
[  594.762243][ T7760]  ? copy_msghdr_from_user+0x10b/0x160
[  594.767759][ T7760]  ? kernel_sendmsg+0x50/0x50
[  594.772472][ T7760]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  594.778552][ T7760]  ___sys_sendmsg+0x135/0x1d0
[  594.783346][ T7760]  ? do_recvmmsg+0x740/0x740
[  594.788010][ T7760]  ? find_held_lock+0x2d/0x110
[  594.792828][ T7760]  ? preempt_count_sub+0x150/0x150
[  594.797974][ T7760]  ? __fget_light+0x1fa/0x260
[  594.802858][ T7760]  __sys_sendmsg+0x117/0x1e0
[  594.807681][ T7760]  ? __sys_sendmsg_sock+0x30/0x30
[  594.812751][ T7760]  ? syscall_enter_from_user_mode+0x26/0x80
[  594.819012][ T7760]  do_syscall_64+0x3f/0x110
[  594.824398][ T7760]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  594.830793][ T7760] RIP: 0033:0x7fa730b27eb9
[  594.835238][ T7760] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  594.856196][ T7760] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  594.865182][ T7760] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  594.873406][ T7760] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  594.881645][ T7760] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  594.889706][ T7760] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  594.898148][ T7760] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  594.906350][ T7760]  </TASK>
[  594.923571][ T7760] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  594.979552][ T7761] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  594.992565][ T7761] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  595.002442][ T7761] CPU: 1 PID: 7761 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  595.015255][ T7761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  595.026685][ T7761] Call Trace:
[  595.030185][ T7761]  <TASK>
[  595.033247][ T7761]  dump_stack_lvl+0x125/0x1b0
[  595.038064][ T7761]  sysfs_warn_dup+0x7f/0xa0
[  595.042786][ T7761]  sysfs_create_dir_ns+0x247/0x2a0
[  595.047952][ T7761]  ? sysfs_create_mount_point+0xb0/0xb0
[  595.054065][ T7761]  ? spin_bug+0x1c0/0x1c0
[  595.058603][ T7761]  ? net_namespace+0x12/0x40
[  595.063406][ T7761]  ? device_namespace+0x8d/0xc0
[  595.068752][ T7761]  kobject_add_internal+0x2c8/0x960
[  595.074318][ T7761]  kobject_add+0x16f/0x240
[  595.078786][ T7761]  ? kset_create_and_add+0x190/0x190
[  595.084207][ T7761]  ? do_raw_spin_unlock+0x172/0x230
[  595.089732][ T7761]  ? kobject_put+0xbe/0x440
[  595.094270][ T7761]  ? device_add+0xc35/0x1aa0
[  595.099069][ T7761]  device_add+0x289/0x1aa0
[  595.103689][ T7761]  ? device_initialize+0x510/0x510
[  595.108835][ T7761]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  595.115048][ T7761]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  595.122391][ T7761]  ? __init_waitqueue_head+0xca/0x150
[  595.128079][ T7761]  netdev_register_kobject+0x183/0x3f0
[  595.133932][ T7761]  register_netdevice+0xbdf/0x14a0
[  595.139366][ T7761]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  595.145446][ T7761]  ? team_nl_cmd_noop+0x280/0x280
[  595.150689][ T7761]  team_newlink+0x92/0x160
[  595.155447][ T7761]  ? team_nl_cmd_noop+0x280/0x280
[  595.160555][ T7761]  ? rtnl_create_link+0xa6d/0xfd0
[  595.166091][ T7761]  __rtnl_newlink+0x1173/0x1930
[  595.171267][ T7761]  ? rtnl_link_unregister+0x260/0x260
[  595.176987][ T7761]  rtnl_newlink+0x67/0xa0
[  595.181684][ T7761]  ? __rtnl_newlink+0x1930/0x1930
[  595.186936][ T7761]  rtnetlink_rcv_msg+0x3c7/0xe00
[  595.192463][ T7761]  ? rtnl_getlink+0xb40/0xb40
[  595.197537][ T7761]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  595.203842][ T7761]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  595.210043][ T7761]  ? __lock_acquire+0xc97/0x5dc0
[  595.215332][ T7761]  netlink_rcv_skb+0x16b/0x440
[  595.220213][ T7761]  ? rtnl_getlink+0xb40/0xb40
[  595.225183][ T7761]  ? netlink_ack+0x1370/0x1370
[  595.230069][ T7761]  ? lock_sync+0x180/0x180
[  595.234539][ T7761]  ? netlink_deliver_tap+0x1a0/0xd00
[  595.240209][ T7761]  ? _copy_from_iter+0x2c1/0x10f0
[  595.245559][ T7761]  netlink_unicast+0x53b/0x810
[  595.250557][ T7761]  ? netlink_attachskb+0x870/0x870
[  595.256243][ T7761]  ? __phys_addr_symbol+0x30/0x70
[  595.261511][ T7761]  ? __check_object_size+0x322/0x730
[  595.266853][ T7761]  netlink_sendmsg+0x939/0xe40
[  595.271756][ T7761]  ? netlink_unicast+0x810/0x810
[  595.277269][ T7761]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  595.282739][ T7761]  ? netlink_unicast+0x810/0x810
[  595.288071][ T7761]  __sock_sendmsg+0xd5/0x180
[  595.292889][ T7761]  ____sys_sendmsg+0x6ac/0x940
[  595.297873][ T7761]  ? copy_msghdr_from_user+0x10b/0x160
[  595.303364][ T7761]  ? kernel_sendmsg+0x50/0x50
[  595.308331][ T7761]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  595.314441][ T7761]  ___sys_sendmsg+0x135/0x1d0
[  595.319492][ T7761]  ? do_recvmmsg+0x740/0x740
[  595.324450][ T7761]  ? find_held_lock+0x2d/0x110
[  595.329429][ T7761]  ? preempt_count_sub+0x150/0x150
[  595.335533][ T7761]  ? __fget_light+0x1fa/0x260
[  595.340250][ T7761]  __sys_sendmsg+0x117/0x1e0
[  595.344963][ T7761]  ? __sys_sendmsg_sock+0x30/0x30
[  595.350048][ T7761]  ? syscall_enter_from_user_mode+0x26/0x80
[  595.356156][ T7761]  do_syscall_64+0x3f/0x110
[  595.360719][ T7761]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  595.368245][ T7761] RIP: 0033:0x7fa730b27eb9
[  595.373323][ T7761] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  595.394711][ T7761] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  595.403172][ T7761] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  595.411440][ T7761] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  595.419915][ T7761] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  595.428281][ T7761] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  595.436660][ T7761] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  595.446866][ T7761]  </TASK>
[  595.466267][ T7761] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  595.502590][ T7761] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  595.512100][ T7761] CPU: 1 PID: 7761 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  595.525344][ T7761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  595.536933][ T7761] Call Trace:
[  595.540244][ T7761]  <TASK>
[  595.543188][ T7761]  dump_stack_lvl+0x125/0x1b0
[  595.548292][ T7761]  sysfs_warn_dup+0x7f/0xa0
[  595.553079][ T7761]  sysfs_create_dir_ns+0x247/0x2a0
[  595.558315][ T7761]  ? sysfs_create_mount_point+0xb0/0xb0
[  595.564389][ T7761]  ? spin_bug+0x1c0/0x1c0
[  595.568775][ T7761]  ? net_namespace+0x12/0x40
[  595.573673][ T7761]  ? device_namespace+0x8d/0xc0
[  595.578785][ T7761]  kobject_add_internal+0x2c8/0x960
[  595.584218][ T7761]  kobject_add+0x16f/0x240
[  595.588751][ T7761]  ? kset_create_and_add+0x190/0x190
[  595.594338][ T7761]  ? do_raw_spin_unlock+0x172/0x230
[  595.599685][ T7761]  ? kobject_put+0xbe/0x440
[  595.604405][ T7761]  ? device_add+0xc35/0x1aa0
[  595.609195][ T7761]  device_add+0x289/0x1aa0
[  595.614146][ T7761]  ? device_initialize+0x510/0x510
[  595.619867][ T7761]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  595.625795][ T7761]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  595.632944][ T7761]  ? __init_waitqueue_head+0xca/0x150
[  595.639289][ T7761]  netdev_register_kobject+0x183/0x3f0
[  595.644904][ T7761]  register_netdevice+0xbdf/0x14a0
[  595.650389][ T7761]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  595.656959][ T7761]  ? validate_linkmsg+0x6fc/0x9c0
[  595.662170][ T7761]  ? rtnl_create_link+0xa6d/0xfd0
[  595.667248][ T7761]  ? batadv_get_sset_count+0x40/0x40
[  595.672868][ T7761]  batadv_softif_newlink+0x70/0x90
[  595.678492][ T7761]  __rtnl_newlink+0x1173/0x1930
[  595.683745][ T7761]  ? rtnl_link_unregister+0x260/0x260
[  595.689317][ T7761]  rtnl_newlink+0x67/0xa0
[  595.693657][ T7761]  ? __rtnl_newlink+0x1930/0x1930
[  595.698964][ T7761]  rtnetlink_rcv_msg+0x3c7/0xe00
[  595.704177][ T7761]  ? rtnl_getlink+0xb40/0xb40
[  595.708873][ T7761]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  595.715234][ T7761]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  595.721495][ T7761]  ? __lock_acquire+0xc97/0x5dc0
[  595.726736][ T7761]  netlink_rcv_skb+0x16b/0x440
[  595.731612][ T7761]  ? rtnl_getlink+0xb40/0xb40
[  595.736564][ T7761]  ? netlink_ack+0x1370/0x1370
[  595.741377][ T7761]  ? lock_sync+0x180/0x180
[  595.746642][ T7761]  ? netlink_deliver_tap+0x1a0/0xd00
[  595.752239][ T7761]  ? _copy_from_iter+0x2c1/0x10f0
[  595.757706][ T7761]  netlink_unicast+0x53b/0x810
[  595.763597][ T7761]  ? netlink_attachskb+0x870/0x870
[  595.769052][ T7761]  ? __phys_addr_symbol+0x30/0x70
[  595.774557][ T7761]  ? __check_object_size+0x322/0x730
[  595.779919][ T7761]  netlink_sendmsg+0x939/0xe40
[  595.785213][ T7761]  ? netlink_unicast+0x810/0x810
[  595.790507][ T7761]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  595.796301][ T7761]  ? netlink_unicast+0x810/0x810
[  595.801279][ T7761]  __sock_sendmsg+0xd5/0x180
[  595.805987][ T7761]  ____sys_sendmsg+0x6ac/0x940
[  595.811045][ T7761]  ? copy_msghdr_from_user+0x10b/0x160
[  595.816690][ T7761]  ? kernel_sendmsg+0x50/0x50
[  595.821381][ T7761]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  595.827594][ T7761]  ___sys_sendmsg+0x135/0x1d0
[  595.832820][ T7761]  ? do_recvmmsg+0x740/0x740
[  595.838037][ T7761]  ? find_held_lock+0x2d/0x110
[  595.843800][ T7761]  ? preempt_count_sub+0x150/0x150
[  595.850204][ T7761]  ? __fget_light+0x1fa/0x260
[  595.854929][ T7761]  __sys_sendmsg+0x117/0x1e0
[  595.859645][ T7761]  ? __sys_sendmsg_sock+0x30/0x30
[  595.864736][ T7761]  ? syscall_enter_from_user_mode+0x26/0x80
[  595.871708][ T7761]  do_syscall_64+0x3f/0x110
[  595.876655][ T7761]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  595.883195][ T7761] RIP: 0033:0x7fa730b27eb9
[  595.887708][ T7761] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  595.909440][ T7761] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  595.918162][ T7761] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  595.926565][ T7761] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  595.935737][ T7761] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  595.944051][ T7761] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  595.952706][ T7761] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  595.961234][ T7761]  </TASK>
[  595.977930][ T7761] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  596.052164][ T7762] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  596.071120][ T7762] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  596.082706][ T7762] CPU: 1 PID: 7762 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  596.094294][ T7762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  596.104546][ T7762] Call Trace:
[  596.107834][ T7762]  <TASK>
[  596.110777][ T7762]  dump_stack_lvl+0x125/0x1b0
[  596.115574][ T7762]  sysfs_warn_dup+0x7f/0xa0
[  596.120131][ T7762]  sysfs_create_dir_ns+0x247/0x2a0
[  596.125458][ T7762]  ? sysfs_create_mount_point+0xb0/0xb0
[  596.131034][ T7762]  ? spin_bug+0x1c0/0x1c0
[  596.135491][ T7762]  ? net_namespace+0x12/0x40
[  596.141067][ T7762]  ? device_namespace+0x8d/0xc0
[  596.146363][ T7762]  kobject_add_internal+0x2c8/0x960
[  596.152326][ T7762]  kobject_add+0x16f/0x240
[  596.156822][ T7762]  ? kset_create_and_add+0x190/0x190
[  596.162857][ T7762]  ? do_raw_spin_unlock+0x172/0x230
[  596.168309][ T7762]  ? kobject_put+0xbe/0x440
[  596.173475][ T7762]  ? device_add+0xc35/0x1aa0
[  596.178216][ T7762]  device_add+0x289/0x1aa0
[  596.184284][ T7762]  ? device_initialize+0x510/0x510
[  596.189445][ T7762]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  596.195662][ T7762]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  596.203022][ T7762]  ? __init_waitqueue_head+0xca/0x150
[  596.208637][ T7762]  netdev_register_kobject+0x183/0x3f0
[  596.214686][ T7762]  register_netdevice+0xbdf/0x14a0
[  596.220052][ T7762]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  596.226370][ T7762]  ? team_nl_cmd_noop+0x280/0x280
[  596.231824][ T7762]  team_newlink+0x92/0x160
[  596.236390][ T7762]  ? team_nl_cmd_noop+0x280/0x280
[  596.241468][ T7762]  ? rtnl_create_link+0xa6d/0xfd0
[  596.246721][ T7762]  __rtnl_newlink+0x1173/0x1930
[  596.251791][ T7762]  ? rtnl_link_unregister+0x260/0x260
[  596.257991][ T7762]  rtnl_newlink+0x67/0xa0
[  596.262613][ T7762]  ? __rtnl_newlink+0x1930/0x1930
[  596.268229][ T7762]  rtnetlink_rcv_msg+0x3c7/0xe00
[  596.273246][ T7762]  ? rtnl_getlink+0xb40/0xb40
[  596.278048][ T7762]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  596.284244][ T7762]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  596.290441][ T7762]  ? __lock_acquire+0xc97/0x5dc0
[  596.295446][ T7762]  netlink_rcv_skb+0x16b/0x440
[  596.300254][ T7762]  ? rtnl_getlink+0xb40/0xb40
[  596.304966][ T7762]  ? netlink_ack+0x1370/0x1370
[  596.309948][ T7762]  ? lock_sync+0x180/0x180
[  596.314416][ T7762]  ? netlink_deliver_tap+0x1a0/0xd00
[  596.319817][ T7762]  ? _copy_from_iter+0x2c1/0x10f0
[  596.325155][ T7762]  netlink_unicast+0x53b/0x810
[  596.329985][ T7762]  ? netlink_attachskb+0x870/0x870
[  596.335153][ T7762]  ? __phys_addr_symbol+0x30/0x70
[  596.341165][ T7762]  ? __check_object_size+0x322/0x730
[  596.346482][ T7762]  netlink_sendmsg+0x939/0xe40
[  596.351411][ T7762]  ? netlink_unicast+0x810/0x810
[  596.356833][ T7762]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  596.362164][ T7762]  ? netlink_unicast+0x810/0x810
[  596.367238][ T7762]  __sock_sendmsg+0xd5/0x180
[  596.371973][ T7762]  ____sys_sendmsg+0x6ac/0x940
[  596.376850][ T7762]  ? copy_msghdr_from_user+0x10b/0x160
[  596.382333][ T7762]  ? kernel_sendmsg+0x50/0x50
[  596.387198][ T7762]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  596.393225][ T7762]  ___sys_sendmsg+0x135/0x1d0
[  596.397937][ T7762]  ? do_recvmmsg+0x740/0x740
[  596.402810][ T7762]  ? find_held_lock+0x2d/0x110
[  596.407704][ T7762]  ? preempt_count_sub+0x150/0x150
[  596.413232][ T7762]  ? __fget_light+0x1fa/0x260
[  596.418047][ T7762]  __sys_sendmsg+0x117/0x1e0
[  596.422673][ T7762]  ? __sys_sendmsg_sock+0x30/0x30
[  596.427829][ T7762]  ? syscall_enter_from_user_mode+0x26/0x80
[  596.433929][ T7762]  do_syscall_64+0x3f/0x110
[  596.439001][ T7762]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  596.445718][ T7762] RIP: 0033:0x7fa730b27eb9
[  596.450335][ T7762] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  596.470161][ T7762] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  596.479092][ T7762] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  596.487261][ T7762] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  596.495763][ T7762] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  596.503863][ T7762] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  596.512039][ T7762] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  596.520423][ T7762]  </TASK>
[  596.528030][ T7762] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  596.565417][ T7762] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  596.575692][ T7762] CPU: 1 PID: 7762 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  596.587205][ T7762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  596.598340][ T7762] Call Trace:
[  596.601634][ T7762]  <TASK>
[  596.604580][ T7762]  dump_stack_lvl+0x125/0x1b0
[  596.609470][ T7762]  sysfs_warn_dup+0x7f/0xa0
[  596.614001][ T7762]  sysfs_create_dir_ns+0x247/0x2a0
[  596.619225][ T7762]  ? sysfs_create_mount_point+0xb0/0xb0
[  596.624893][ T7762]  ? spin_bug+0x1c0/0x1c0
[  596.629348][ T7762]  ? net_namespace+0x12/0x40
[  596.633963][ T7762]  ? device_namespace+0x8d/0xc0
[  596.638856][ T7762]  kobject_add_internal+0x2c8/0x960
[  596.644102][ T7762]  kobject_add+0x16f/0x240
[  596.648553][ T7762]  ? kset_create_and_add+0x190/0x190
[  596.654378][ T7762]  ? do_raw_spin_unlock+0x172/0x230
[  596.659775][ T7762]  ? kobject_put+0xbe/0x440
[  596.664309][ T7762]  ? device_add+0xc35/0x1aa0
[  596.669003][ T7762]  device_add+0x289/0x1aa0
[  596.673646][ T7762]  ? device_initialize+0x510/0x510
[  596.678853][ T7762]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  596.684960][ T7762]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  596.691946][ T7762]  ? __init_waitqueue_head+0xca/0x150
[  596.697686][ T7762]  netdev_register_kobject+0x183/0x3f0
[  596.703173][ T7762]  register_netdevice+0xbdf/0x14a0
[  596.708474][ T7762]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  596.714471][ T7762]  ? validate_linkmsg+0x6fc/0x9c0
[  596.719701][ T7762]  ? rtnl_create_link+0xa6d/0xfd0
[  596.724832][ T7762]  ? batadv_get_sset_count+0x40/0x40
[  596.730406][ T7762]  batadv_softif_newlink+0x70/0x90
[  596.735631][ T7762]  __rtnl_newlink+0x1173/0x1930
[  596.740591][ T7762]  ? rtnl_link_unregister+0x260/0x260
[  596.746089][ T7762]  rtnl_newlink+0x67/0xa0
[  596.750713][ T7762]  ? __rtnl_newlink+0x1930/0x1930
[  596.755744][ T7762]  rtnetlink_rcv_msg+0x3c7/0xe00
[  596.760957][ T7762]  ? rtnl_getlink+0xb40/0xb40
[  596.765899][ T7762]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  596.772177][ T7762]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  596.778255][ T7762]  ? __lock_acquire+0xc97/0x5dc0
[  596.783474][ T7762]  netlink_rcv_skb+0x16b/0x440
[  596.788251][ T7762]  ? rtnl_getlink+0xb40/0xb40
[  596.792939][ T7762]  ? netlink_ack+0x1370/0x1370
[  596.797711][ T7762]  ? lock_sync+0x180/0x180
[  596.802157][ T7762]  ? netlink_deliver_tap+0x1a0/0xd00
[  596.807454][ T7762]  ? _copy_from_iter+0x2c1/0x10f0
[  596.812501][ T7762]  netlink_unicast+0x53b/0x810
[  596.817367][ T7762]  ? netlink_attachskb+0x870/0x870
[  596.822488][ T7762]  ? __phys_addr_symbol+0x30/0x70
[  596.827608][ T7762]  ? __check_object_size+0x322/0x730
[  596.833011][ T7762]  netlink_sendmsg+0x939/0xe40
[  596.838312][ T7762]  ? netlink_unicast+0x810/0x810
[  596.843387][ T7762]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  596.848807][ T7762]  ? netlink_unicast+0x810/0x810
[  596.853866][ T7762]  __sock_sendmsg+0xd5/0x180
[  596.858568][ T7762]  ____sys_sendmsg+0x6ac/0x940
[  596.863429][ T7762]  ? copy_msghdr_from_user+0x10b/0x160
[  596.868984][ T7762]  ? kernel_sendmsg+0x50/0x50
[  596.873941][ T7762]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  596.879955][ T7762]  ___sys_sendmsg+0x135/0x1d0
[  596.884731][ T7762]  ? do_recvmmsg+0x740/0x740
[  596.889614][ T7762]  ? find_held_lock+0x2d/0x110
[  596.894497][ T7762]  ? preempt_count_sub+0x150/0x150
[  596.899728][ T7762]  ? __fget_light+0x1fa/0x260
[  596.904558][ T7762]  __sys_sendmsg+0x117/0x1e0
[  596.909199][ T7762]  ? __sys_sendmsg_sock+0x30/0x30
[  596.914318][ T7762]  ? syscall_enter_from_user_mode+0x26/0x80
[  596.920436][ T7762]  do_syscall_64+0x3f/0x110
[  596.925059][ T7762]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  596.931312][ T7762] RIP: 0033:0x7fa730b27eb9
[  596.936194][ T7762] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  596.956516][ T7762] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  596.965119][ T7762] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  596.973185][ T7762] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  596.982038][ T7762] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  596.990362][ T7762] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  596.998425][ T7762] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  597.006510][ T7762]  </TASK>
[  597.016981][ T7762] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  597.103852][ T7763] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  597.119063][ T7763] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  597.128429][ T7763] CPU: 0 PID: 7763 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  597.139944][ T7763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  597.150033][ T7763] Call Trace:
[  597.153426][ T7763]  <TASK>
[  597.156500][ T7763]  dump_stack_lvl+0x125/0x1b0
[  597.161231][ T7763]  sysfs_warn_dup+0x7f/0xa0
[  597.166124][ T7763]  sysfs_create_dir_ns+0x247/0x2a0
[  597.171266][ T7763]  ? sysfs_create_mount_point+0xb0/0xb0
[  597.176950][ T7763]  ? spin_bug+0x1c0/0x1c0
[  597.181442][ T7763]  ? net_namespace+0x12/0x40
[  597.186185][ T7763]  ? device_namespace+0x8d/0xc0
[  597.191339][ T7763]  kobject_add_internal+0x2c8/0x960
[  597.196692][ T7763]  kobject_add+0x16f/0x240
[  597.201326][ T7763]  ? kset_create_and_add+0x190/0x190
[  597.206637][ T7763]  ? do_raw_spin_unlock+0x172/0x230
[  597.211877][ T7763]  ? kobject_put+0xbe/0x440
[  597.216405][ T7763]  ? device_add+0xc35/0x1aa0
[  597.221098][ T7763]  device_add+0x289/0x1aa0
[  597.225615][ T7763]  ? device_initialize+0x510/0x510
[  597.230762][ T7763]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  597.236598][ T7763]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  597.243648][ T7763]  ? __init_waitqueue_head+0xca/0x150
[  597.249307][ T7763]  netdev_register_kobject+0x183/0x3f0
[  597.254876][ T7763]  register_netdevice+0xbdf/0x14a0
[  597.260099][ T7763]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  597.266229][ T7763]  ? team_nl_cmd_noop+0x280/0x280
[  597.271268][ T7763]  team_newlink+0x92/0x160
[  597.275787][ T7763]  ? team_nl_cmd_noop+0x280/0x280
[  597.280838][ T7763]  ? rtnl_create_link+0xa6d/0xfd0
[  597.286327][ T7763]  __rtnl_newlink+0x1173/0x1930
[  597.291306][ T7763]  ? rtnl_link_unregister+0x260/0x260
[  597.296722][ T7763]  rtnl_newlink+0x67/0xa0
[  597.301052][ T7763]  ? __rtnl_newlink+0x1930/0x1930
[  597.306166][ T7763]  rtnetlink_rcv_msg+0x3c7/0xe00
[  597.311116][ T7763]  ? rtnl_getlink+0xb40/0xb40
[  597.315828][ T7763]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  597.322099][ T7763]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  597.328115][ T7763]  ? __lock_acquire+0xc97/0x5dc0
[  597.333087][ T7763]  netlink_rcv_skb+0x16b/0x440
[  597.337866][ T7763]  ? rtnl_getlink+0xb40/0xb40
[  597.342551][ T7763]  ? netlink_ack+0x1370/0x1370
[  597.347332][ T7763]  ? lock_sync+0x180/0x180
[  597.351775][ T7763]  ? netlink_deliver_tap+0x1a0/0xd00
[  597.357257][ T7763]  ? _copy_from_iter+0x2c1/0x10f0
[  597.362386][ T7763]  netlink_unicast+0x53b/0x810
[  597.367179][ T7763]  ? netlink_attachskb+0x870/0x870
[  597.372332][ T7763]  ? __phys_addr_symbol+0x30/0x70
[  597.377537][ T7763]  ? __check_object_size+0x322/0x730
[  597.382834][ T7763]  netlink_sendmsg+0x939/0xe40
[  597.387806][ T7763]  ? netlink_unicast+0x810/0x810
[  597.392965][ T7763]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  597.398695][ T7763]  ? netlink_unicast+0x810/0x810
[  597.403726][ T7763]  __sock_sendmsg+0xd5/0x180
[  597.408325][ T7763]  ____sys_sendmsg+0x6ac/0x940
[  597.413159][ T7763]  ? copy_msghdr_from_user+0x10b/0x160
[  597.418709][ T7763]  ? kernel_sendmsg+0x50/0x50
[  597.423501][ T7763]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  597.429833][ T7763]  ___sys_sendmsg+0x135/0x1d0
[  597.434915][ T7763]  ? do_recvmmsg+0x740/0x740
[  597.439846][ T7763]  ? find_held_lock+0x2d/0x110
[  597.444681][ T7763]  ? preempt_count_sub+0x150/0x150
[  597.449991][ T7763]  ? __fget_light+0x1fa/0x260
[  597.454777][ T7763]  __sys_sendmsg+0x117/0x1e0
[  597.459446][ T7763]  ? __sys_sendmsg_sock+0x30/0x30
[  597.464501][ T7763]  ? syscall_enter_from_user_mode+0x26/0x80
[  597.470408][ T7763]  do_syscall_64+0x3f/0x110
[  597.474934][ T7763]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  597.480837][ T7763] RIP: 0033:0x7fa730b27eb9
[  597.485255][ T7763] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  597.504965][ T7763] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  597.513731][ T7763] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  597.521986][ T7763] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  597.530092][ T7763] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  597.538112][ T7763] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  597.546100][ T7763] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  597.554096][ T7763]  </TASK>
[  597.572480][ T7763] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  597.614845][ T7763] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  597.624369][ T7763] CPU: 0 PID: 7763 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  597.637601][ T7763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  597.647868][ T7763] Call Trace:
[  597.651443][ T7763]  <TASK>
[  597.654398][ T7763]  dump_stack_lvl+0x125/0x1b0
[  597.659490][ T7763]  sysfs_warn_dup+0x7f/0xa0
[  597.664136][ T7763]  sysfs_create_dir_ns+0x247/0x2a0
[  597.669457][ T7763]  ? sysfs_create_mount_point+0xb0/0xb0
[  597.675567][ T7763]  ? spin_bug+0x1c0/0x1c0
[  597.679938][ T7763]  ? net_namespace+0x12/0x40
[  597.684568][ T7763]  ? device_namespace+0x8d/0xc0
[  597.689474][ T7763]  kobject_add_internal+0x2c8/0x960
[  597.694729][ T7763]  kobject_add+0x16f/0x240
[  597.699962][ T7763]  ? kset_create_and_add+0x190/0x190
[  597.705294][ T7763]  ? do_raw_spin_unlock+0x172/0x230
[  597.710636][ T7763]  ? kobject_put+0xbe/0x440
[  597.715183][ T7763]  ? device_add+0xc35/0x1aa0
[  597.719820][ T7763]  device_add+0x289/0x1aa0
[  597.724280][ T7763]  ? device_initialize+0x510/0x510
[  597.729430][ T7763]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  597.735380][ T7763]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  597.742406][ T7763]  ? __init_waitqueue_head+0xca/0x150
[  597.747908][ T7763]  netdev_register_kobject+0x183/0x3f0
[  597.754243][ T7763]  register_netdevice+0xbdf/0x14a0
[  597.759433][ T7763]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  597.765470][ T7763]  ? validate_linkmsg+0x6fc/0x9c0
[  597.770553][ T7763]  ? rtnl_create_link+0xa6d/0xfd0
[  597.775798][ T7763]  ? batadv_get_sset_count+0x40/0x40
[  597.781308][ T7763]  batadv_softif_newlink+0x70/0x90
[  597.786479][ T7763]  __rtnl_newlink+0x1173/0x1930
[  597.791548][ T7763]  ? rtnl_link_unregister+0x260/0x260
[  597.797066][ T7763]  rtnl_newlink+0x67/0xa0
[  597.801422][ T7763]  ? __rtnl_newlink+0x1930/0x1930
[  597.806472][ T7763]  rtnetlink_rcv_msg+0x3c7/0xe00
[  597.811530][ T7763]  ? rtnl_getlink+0xb40/0xb40
[  597.816229][ T7763]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  597.822273][ T7763]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  597.828643][ T7763]  ? __lock_acquire+0xc97/0x5dc0
[  597.833648][ T7763]  netlink_rcv_skb+0x16b/0x440
[  597.838450][ T7763]  ? rtnl_getlink+0xb40/0xb40
[  597.843156][ T7763]  ? netlink_ack+0x1370/0x1370
[  597.848034][ T7763]  ? lock_sync+0x180/0x180
[  597.852500][ T7763]  ? netlink_deliver_tap+0x1a0/0xd00
[  597.858170][ T7763]  ? _copy_from_iter+0x2c1/0x10f0
[  597.863378][ T7763]  netlink_unicast+0x53b/0x810
[  597.868182][ T7763]  ? netlink_attachskb+0x870/0x870
[  597.873713][ T7763]  ? __phys_addr_symbol+0x30/0x70
[  597.879121][ T7763]  ? __check_object_size+0x322/0x730
[  597.884522][ T7763]  netlink_sendmsg+0x939/0xe40
[  597.889424][ T7763]  ? netlink_unicast+0x810/0x810
[  597.894658][ T7763]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  597.900848][ T7763]  ? netlink_unicast+0x810/0x810
[  597.905910][ T7763]  __sock_sendmsg+0xd5/0x180
[  597.911780][ T7763]  ____sys_sendmsg+0x6ac/0x940
[  597.916934][ T7763]  ? copy_msghdr_from_user+0x10b/0x160
[  597.922686][ T7763]  ? kernel_sendmsg+0x50/0x50
[  597.927741][ T7763]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  597.933947][ T7763]  ___sys_sendmsg+0x135/0x1d0
[  597.938935][ T7763]  ? do_recvmmsg+0x740/0x740
[  597.943646][ T7763]  ? find_held_lock+0x2d/0x110
[  597.949423][ T7763]  ? preempt_count_sub+0x150/0x150
[  597.954673][ T7763]  ? __fget_light+0x1fa/0x260
[  597.959490][ T7763]  __sys_sendmsg+0x117/0x1e0
[  597.964582][ T7763]  ? __sys_sendmsg_sock+0x30/0x30
[  597.969668][ T7763]  ? syscall_enter_from_user_mode+0x26/0x80
[  597.975864][ T7763]  do_syscall_64+0x3f/0x110
[  597.981121][ T7763]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  597.987594][ T7763] RIP: 0033:0x7fa730b27eb9
[  597.992754][ T7763] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  598.013384][ T7763] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  598.023622][ T7763] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  598.032168][ T7763] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  598.040396][ T7763] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  598.048753][ T7763] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  598.056858][ T7763] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  598.064966][ T7763]  </TASK>
[  598.079441][ T7763] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  598.147553][ T7764] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  598.159173][ T7764] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  598.169190][ T7764] CPU: 1 PID: 7764 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  598.181145][ T7764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  598.192115][ T7764] Call Trace:
[  598.195752][ T7764]  <TASK>
[  598.198875][ T7764]  dump_stack_lvl+0x125/0x1b0
[  598.203778][ T7764]  sysfs_warn_dup+0x7f/0xa0
[  598.208289][ T7764]  sysfs_create_dir_ns+0x247/0x2a0
[  598.214535][ T7764]  ? sysfs_create_mount_point+0xb0/0xb0
[  598.220196][ T7764]  ? spin_bug+0x1c0/0x1c0
[  598.224561][ T7764]  ? net_namespace+0x12/0x40
[  598.229183][ T7764]  ? device_namespace+0x8d/0xc0
[  598.234159][ T7764]  kobject_add_internal+0x2c8/0x960
[  598.239400][ T7764]  kobject_add+0x16f/0x240
[  598.243835][ T7764]  ? kset_create_and_add+0x190/0x190
[  598.249135][ T7764]  ? do_raw_spin_unlock+0x172/0x230
[  598.254613][ T7764]  ? kobject_put+0xbe/0x440
[  598.259231][ T7764]  ? device_add+0xc35/0x1aa0
[  598.264053][ T7764]  device_add+0x289/0x1aa0
[  598.269128][ T7764]  ? device_initialize+0x510/0x510
[  598.274711][ T7764]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  598.283172][ T7764]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  598.290053][ T7764]  ? __init_waitqueue_head+0xca/0x150
[  598.295446][ T7764]  netdev_register_kobject+0x183/0x3f0
[  598.300925][ T7764]  register_netdevice+0xbdf/0x14a0
[  598.306049][ T7764]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  598.311956][ T7764]  ? team_nl_cmd_noop+0x280/0x280
[  598.316989][ T7764]  team_newlink+0x92/0x160
[  598.321417][ T7764]  ? team_nl_cmd_noop+0x280/0x280
[  598.326455][ T7764]  ? rtnl_create_link+0xa6d/0xfd0
[  598.331612][ T7764]  __rtnl_newlink+0x1173/0x1930
[  598.336602][ T7764]  ? rtnl_link_unregister+0x260/0x260
[  598.342026][ T7764]  rtnl_newlink+0x67/0xa0
[  598.346379][ T7764]  ? __rtnl_newlink+0x1930/0x1930
[  598.351411][ T7764]  rtnetlink_rcv_msg+0x3c7/0xe00
[  598.356472][ T7764]  ? rtnl_getlink+0xb40/0xb40
[  598.361336][ T7764]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  598.371951][ T7764]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  598.378329][ T7764]  ? __lock_acquire+0xc97/0x5dc0
[  598.383317][ T7764]  netlink_rcv_skb+0x16b/0x440
[  598.388364][ T7764]  ? rtnl_getlink+0xb40/0xb40
[  598.393138][ T7764]  ? netlink_ack+0x1370/0x1370
[  598.397997][ T7764]  ? lock_sync+0x180/0x180
[  598.402451][ T7764]  ? netlink_deliver_tap+0x1a0/0xd00
[  598.407744][ T7764]  ? _copy_from_iter+0x2c1/0x10f0
[  598.413310][ T7764]  netlink_unicast+0x53b/0x810
[  598.418439][ T7764]  ? netlink_attachskb+0x870/0x870
[  598.423653][ T7764]  ? __phys_addr_symbol+0x30/0x70
[  598.428932][ T7764]  ? __check_object_size+0x322/0x730
[  598.434262][ T7764]  netlink_sendmsg+0x939/0xe40
[  598.439309][ T7764]  ? netlink_unicast+0x810/0x810
[  598.444382][ T7764]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  598.449796][ T7764]  ? netlink_unicast+0x810/0x810
[  598.454773][ T7764]  __sock_sendmsg+0xd5/0x180
[  598.459385][ T7764]  ____sys_sendmsg+0x6ac/0x940
[  598.464174][ T7764]  ? copy_msghdr_from_user+0x10b/0x160
[  598.470109][ T7764]  ? kernel_sendmsg+0x50/0x50
[  598.474962][ T7764]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  598.481075][ T7764]  ___sys_sendmsg+0x135/0x1d0
[  598.485859][ T7764]  ? do_recvmmsg+0x740/0x740
[  598.490457][ T7764]  ? find_held_lock+0x2d/0x110
[  598.495241][ T7764]  ? preempt_count_sub+0x150/0x150
[  598.500401][ T7764]  ? __fget_light+0x1fa/0x260
[  598.505093][ T7764]  __sys_sendmsg+0x117/0x1e0
[  598.509782][ T7764]  ? __sys_sendmsg_sock+0x30/0x30
[  598.514834][ T7764]  ? syscall_enter_from_user_mode+0x26/0x80
[  598.520918][ T7764]  do_syscall_64+0x3f/0x110
[  598.525435][ T7764]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  598.531426][ T7764] RIP: 0033:0x7fa730b27eb9
[  598.535985][ T7764] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  598.555728][ T7764] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  598.564259][ T7764] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  598.572328][ T7764] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  598.580650][ T7764] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  598.588628][ T7764] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  598.596602][ T7764] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  598.604676][ T7764]  </TASK>
[  598.614851][ T7764] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  598.647080][ T7764] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  598.656475][ T7764] CPU: 1 PID: 7764 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  598.667886][ T7764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  598.677981][ T7764] Call Trace:
[  598.681275][ T7764]  <TASK>
[  598.684220][ T7764]  dump_stack_lvl+0x125/0x1b0
[  598.688931][ T7764]  sysfs_warn_dup+0x7f/0xa0
[  598.693462][ T7764]  sysfs_create_dir_ns+0x247/0x2a0
[  598.698591][ T7764]  ? sysfs_create_mount_point+0xb0/0xb0
[  598.704163][ T7764]  ? spin_bug+0x1c0/0x1c0
[  598.708523][ T7764]  ? net_namespace+0x12/0x40
[  598.713133][ T7764]  ? device_namespace+0x8d/0xc0
[  598.718284][ T7764]  kobject_add_internal+0x2c8/0x960
[  598.723531][ T7764]  kobject_add+0x16f/0x240
[  598.727977][ T7764]  ? kset_create_and_add+0x190/0x190
[  598.733386][ T7764]  ? do_raw_spin_unlock+0x172/0x230
[  598.738646][ T7764]  ? kobject_put+0xbe/0x440
[  598.743371][ T7764]  ? device_add+0xc35/0x1aa0
[  598.748025][ T7764]  device_add+0x289/0x1aa0
[  598.752573][ T7764]  ? device_initialize+0x510/0x510
[  598.757708][ T7764]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  598.763542][ T7764]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  598.770435][ T7764]  ? __init_waitqueue_head+0xca/0x150
[  598.775858][ T7764]  netdev_register_kobject+0x183/0x3f0
[  598.781450][ T7764]  register_netdevice+0xbdf/0x14a0
[  598.786596][ T7764]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  598.792514][ T7764]  ? validate_linkmsg+0x6fc/0x9c0
[  598.797575][ T7764]  ? rtnl_create_link+0xa6d/0xfd0
[  598.802633][ T7764]  ? batadv_get_sset_count+0x40/0x40
[  598.807967][ T7764]  batadv_softif_newlink+0x70/0x90
[  598.813112][ T7764]  __rtnl_newlink+0x1173/0x1930
[  598.818092][ T7764]  ? rtnl_link_unregister+0x260/0x260
[  598.823525][ T7764]  rtnl_newlink+0x67/0xa0
[  598.828052][ T7764]  ? __rtnl_newlink+0x1930/0x1930
[  598.833109][ T7764]  rtnetlink_rcv_msg+0x3c7/0xe00
[  598.838525][ T7764]  ? rtnl_getlink+0xb40/0xb40
[  598.843222][ T7764]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  598.849323][ T7764]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  598.855435][ T7764]  ? __lock_acquire+0xc97/0x5dc0
[  598.860599][ T7764]  netlink_rcv_skb+0x16b/0x440
[  598.865580][ T7764]  ? rtnl_getlink+0xb40/0xb40
[  598.870384][ T7764]  ? netlink_ack+0x1370/0x1370
[  598.875822][ T7764]  ? lock_sync+0x180/0x180
[  598.880393][ T7764]  ? netlink_deliver_tap+0x1a0/0xd00
[  598.885858][ T7764]  ? _copy_from_iter+0x2c1/0x10f0
[  598.890951][ T7764]  netlink_unicast+0x53b/0x810
[  598.895772][ T7764]  ? netlink_attachskb+0x870/0x870
[  598.900951][ T7764]  ? __phys_addr_symbol+0x30/0x70
[  598.906029][ T7764]  ? __check_object_size+0x322/0x730
[  598.911359][ T7764]  netlink_sendmsg+0x939/0xe40
[  598.916188][ T7764]  ? netlink_unicast+0x810/0x810
[  598.921185][ T7764]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  598.926625][ T7764]  ? netlink_unicast+0x810/0x810
[  598.931598][ T7764]  __sock_sendmsg+0xd5/0x180
[  598.936225][ T7764]  ____sys_sendmsg+0x6ac/0x940
[  598.941013][ T7764]  ? copy_msghdr_from_user+0x10b/0x160
[  598.946503][ T7764]  ? kernel_sendmsg+0x50/0x50
[  598.951214][ T7764]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  598.957238][ T7764]  ___sys_sendmsg+0x135/0x1d0
[  598.962039][ T7764]  ? do_recvmmsg+0x740/0x740
[  598.966651][ T7764]  ? find_held_lock+0x2d/0x110
[  598.971456][ T7764]  ? preempt_count_sub+0x150/0x150
[  598.976605][ T7764]  ? __fget_light+0x1fa/0x260
[  598.981318][ T7764]  __sys_sendmsg+0x117/0x1e0
[  598.985944][ T7764]  ? __sys_sendmsg_sock+0x30/0x30
[  598.991013][ T7764]  ? syscall_enter_from_user_mode+0x26/0x80
[  598.996954][ T7764]  do_syscall_64+0x3f/0x110
[  599.001504][ T7764]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  599.007697][ T7764] RIP: 0033:0x7fa730b27eb9
[  599.012411][ T7764] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  599.032759][ T7764] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  599.041216][ T7764] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  599.049217][ T7764] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  599.057391][ T7764] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  599.065385][ T7764] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  599.073376][ T7764] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  599.081390][ T7764]  </TASK>
[  599.093480][ T7764] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  599.173994][ T7765] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  599.185710][ T7765] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  599.195496][ T7765] CPU: 0 PID: 7765 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  599.207001][ T7765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  599.217101][ T7765] Call Trace:
[  599.220402][ T7765]  <TASK>
[  599.223354][ T7765]  dump_stack_lvl+0x125/0x1b0
[  599.228073][ T7765]  sysfs_warn_dup+0x7f/0xa0
[  599.232694][ T7765]  sysfs_create_dir_ns+0x247/0x2a0
[  599.237846][ T7765]  ? sysfs_create_mount_point+0xb0/0xb0
[  599.243603][ T7765]  ? spin_bug+0x1c0/0x1c0
[  599.248061][ T7765]  ? net_namespace+0x12/0x40
[  599.252685][ T7765]  ? device_namespace+0x8d/0xc0
[  599.257585][ T7765]  kobject_add_internal+0x2c8/0x960
[  599.263006][ T7765]  kobject_add+0x16f/0x240
[  599.267458][ T7765]  ? kset_create_and_add+0x190/0x190
[  599.272816][ T7765]  ? do_raw_spin_unlock+0x172/0x230
[  599.278057][ T7765]  ? kobject_put+0xbe/0x440
[  599.282608][ T7765]  ? device_add+0xc35/0x1aa0
[  599.287350][ T7765]  device_add+0x289/0x1aa0
[  599.291810][ T7765]  ? device_initialize+0x510/0x510
[  599.297124][ T7765]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  599.303124][ T7765]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  599.310038][ T7765]  ? __init_waitqueue_head+0xca/0x150
[  599.315463][ T7765]  netdev_register_kobject+0x183/0x3f0
[  599.321139][ T7765]  register_netdevice+0xbdf/0x14a0
[  599.326300][ T7765]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  599.332492][ T7765]  ? team_nl_cmd_noop+0x280/0x280
[  599.337554][ T7765]  team_newlink+0x92/0x160
[  599.342024][ T7765]  ? team_nl_cmd_noop+0x280/0x280
[  599.347185][ T7765]  ? rtnl_create_link+0xa6d/0xfd0
[  599.352265][ T7765]  __rtnl_newlink+0x1173/0x1930
[  599.357243][ T7765]  ? rtnl_link_unregister+0x260/0x260
[  599.362762][ T7765]  rtnl_newlink+0x67/0xa0
[  599.367112][ T7765]  ? __rtnl_newlink+0x1930/0x1930
[  599.372257][ T7765]  rtnetlink_rcv_msg+0x3c7/0xe00
[  599.377227][ T7765]  ? rtnl_getlink+0xb40/0xb40
[  599.382012][ T7765]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  599.388113][ T7765]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  599.394215][ T7765]  ? __lock_acquire+0xc97/0x5dc0
[  599.400328][ T7765]  netlink_rcv_skb+0x16b/0x440
[  599.405128][ T7765]  ? rtnl_getlink+0xb40/0xb40
[  599.409940][ T7765]  ? netlink_ack+0x1370/0x1370
[  599.414823][ T7765]  ? lock_sync+0x180/0x180
[  599.419410][ T7765]  ? netlink_deliver_tap+0x1a0/0xd00
[  599.425070][ T7765]  ? _copy_from_iter+0x2c1/0x10f0
[  599.430576][ T7765]  netlink_unicast+0x53b/0x810
[  599.435385][ T7765]  ? netlink_attachskb+0x870/0x870
[  599.441153][ T7765]  ? __phys_addr_symbol+0x30/0x70
[  599.446428][ T7765]  ? __check_object_size+0x322/0x730
[  599.451778][ T7765]  netlink_sendmsg+0x939/0xe40
[  599.456593][ T7765]  ? netlink_unicast+0x810/0x810
[  599.461585][ T7765]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  599.467421][ T7765]  ? netlink_unicast+0x810/0x810
[  599.472489][ T7765]  __sock_sendmsg+0xd5/0x180
[  599.477118][ T7765]  ____sys_sendmsg+0x6ac/0x940
[  599.482033][ T7765]  ? copy_msghdr_from_user+0x10b/0x160
[  599.487690][ T7765]  ? kernel_sendmsg+0x50/0x50
[  599.492397][ T7765]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  599.498419][ T7765]  ___sys_sendmsg+0x135/0x1d0
[  599.503130][ T7765]  ? do_recvmmsg+0x740/0x740
[  599.507834][ T7765]  ? find_held_lock+0x2d/0x110
[  599.512731][ T7765]  ? preempt_count_sub+0x150/0x150
[  599.518067][ T7765]  ? __fget_light+0x1fa/0x260
[  599.523130][ T7765]  __sys_sendmsg+0x117/0x1e0
[  599.527748][ T7765]  ? __sys_sendmsg_sock+0x30/0x30
[  599.532997][ T7765]  ? syscall_enter_from_user_mode+0x26/0x80
[  599.539012][ T7765]  do_syscall_64+0x3f/0x110
[  599.543741][ T7765]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  599.549750][ T7765] RIP: 0033:0x7fa730b27eb9
[  599.554194][ T7765] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  599.574189][ T7765] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  599.582970][ T7765] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  599.591140][ T7765] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  599.599671][ T7765] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  599.607782][ T7765] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  599.615956][ T7765] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  599.624065][ T7765]  </TASK>
[  599.634064][ T7765] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  599.664352][ T7765] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  599.673716][ T7765] CPU: 0 PID: 7765 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  599.685392][ T7765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  599.696086][ T7765] Call Trace:
[  599.699495][ T7765]  <TASK>
[  599.702444][ T7765]  dump_stack_lvl+0x125/0x1b0
[  599.707251][ T7765]  sysfs_warn_dup+0x7f/0xa0
[  599.711783][ T7765]  sysfs_create_dir_ns+0x247/0x2a0
[  599.717094][ T7765]  ? sysfs_create_mount_point+0xb0/0xb0
[  599.722668][ T7765]  ? spin_bug+0x1c0/0x1c0
[  599.727120][ T7765]  ? net_namespace+0x12/0x40
[  599.731757][ T7765]  ? device_namespace+0x8d/0xc0
[  599.736837][ T7765]  kobject_add_internal+0x2c8/0x960
[  599.742348][ T7765]  kobject_add+0x16f/0x240
[  599.746818][ T7765]  ? kset_create_and_add+0x190/0x190
[  599.752338][ T7765]  ? do_raw_spin_unlock+0x172/0x230
[  599.757608][ T7765]  ? kobject_put+0xbe/0x440
[  599.762173][ T7765]  ? device_add+0xc35/0x1aa0
[  599.766817][ T7765]  device_add+0x289/0x1aa0
[  599.771279][ T7765]  ? device_initialize+0x510/0x510
[  599.776423][ T7765]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  599.782527][ T7765]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  599.789598][ T7765]  ? __init_waitqueue_head+0xca/0x150
[  599.795449][ T7765]  netdev_register_kobject+0x183/0x3f0
[  599.800944][ T7765]  register_netdevice+0xbdf/0x14a0
[  599.806091][ T7765]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  599.812091][ T7765]  ? validate_linkmsg+0x6fc/0x9c0
[  599.817155][ T7765]  ? rtnl_create_link+0xa6d/0xfd0
[  599.822213][ T7765]  ? batadv_get_sset_count+0x40/0x40
[  599.827623][ T7765]  batadv_softif_newlink+0x70/0x90
[  599.832781][ T7765]  __rtnl_newlink+0x1173/0x1930
[  599.837673][ T7765]  ? rtnl_link_unregister+0x260/0x260
[  599.843281][ T7765]  rtnl_newlink+0x67/0xa0
[  599.847637][ T7765]  ? __rtnl_newlink+0x1930/0x1930
[  599.852703][ T7765]  rtnetlink_rcv_msg+0x3c7/0xe00
[  599.857801][ T7765]  ? rtnl_getlink+0xb40/0xb40
[  599.864515][ T7765]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  599.870561][ T7765]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  599.876580][ T7765]  ? __lock_acquire+0xc97/0x5dc0
[  599.881563][ T7765]  netlink_rcv_skb+0x16b/0x440
[  599.886491][ T7765]  ? rtnl_getlink+0xb40/0xb40
[  599.891200][ T7765]  ? netlink_ack+0x1370/0x1370
[  599.896097][ T7765]  ? lock_sync+0x180/0x180
[  599.900872][ T7765]  ? netlink_deliver_tap+0x1a0/0xd00
[  599.906722][ T7765]  ? _copy_from_iter+0x2c1/0x10f0
[  599.911985][ T7765]  netlink_unicast+0x53b/0x810
[  599.916818][ T7765]  ? netlink_attachskb+0x870/0x870
[  599.922335][ T7765]  ? __phys_addr_symbol+0x30/0x70
[  599.927513][ T7765]  ? __check_object_size+0x322/0x730
[  599.933026][ T7765]  netlink_sendmsg+0x939/0xe40
[  599.937974][ T7765]  ? netlink_unicast+0x810/0x810
[  599.943052][ T7765]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  599.948375][ T7765]  ? netlink_unicast+0x810/0x810
[  599.953351][ T7765]  __sock_sendmsg+0xd5/0x180
[  599.958147][ T7765]  ____sys_sendmsg+0x6ac/0x940
[  599.962936][ T7765]  ? copy_msghdr_from_user+0x10b/0x160
[  599.968430][ T7765]  ? kernel_sendmsg+0x50/0x50
[  599.973175][ T7765]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  599.979201][ T7765]  ___sys_sendmsg+0x135/0x1d0
[  599.984089][ T7765]  ? do_recvmmsg+0x740/0x740
[  599.988800][ T7765]  ? find_held_lock+0x2d/0x110
[  599.993611][ T7765]  ? preempt_count_sub+0x150/0x150
[  599.998853][ T7765]  ? __fget_light+0x1fa/0x260
[  600.003569][ T7765]  __sys_sendmsg+0x117/0x1e0
[  600.008302][ T7765]  ? __sys_sendmsg_sock+0x30/0x30
[  600.013391][ T7765]  ? syscall_enter_from_user_mode+0x26/0x80
[  600.019595][ T7765]  do_syscall_64+0x3f/0x110
[  600.025209][ T7765]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  600.031223][ T7765] RIP: 0033:0x7fa730b27eb9
[  600.035666][ T7765] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  600.056444][ T7765] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  600.064889][ T7765] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  600.072893][ T7765] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  600.080893][ T7765] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  600.088987][ T7765] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  600.096998][ T7765] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  600.105083][ T7765]  </TASK>
[  600.109686][ T7765] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  600.173603][ T7766] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  600.185953][ T7766] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  600.199083][ T7766] CPU: 1 PID: 7766 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  600.210596][ T7766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  600.220680][ T7766] Call Trace:
[  600.223979][ T7766]  <TASK>
[  600.226926][ T7766]  dump_stack_lvl+0x125/0x1b0
[  600.231645][ T7766]  sysfs_warn_dup+0x7f/0xa0
[  600.236265][ T7766]  sysfs_create_dir_ns+0x247/0x2a0
[  600.241398][ T7766]  ? sysfs_create_mount_point+0xb0/0xb0
[  600.247136][ T7766]  ? spin_bug+0x1c0/0x1c0
[  600.251525][ T7766]  ? net_namespace+0x12/0x40
[  600.256256][ T7766]  ? device_namespace+0x8d/0xc0
[  600.261321][ T7766]  kobject_add_internal+0x2c8/0x960
[  600.266564][ T7766]  kobject_add+0x16f/0x240
[  600.271017][ T7766]  ? kset_create_and_add+0x190/0x190
[  600.276338][ T7766]  ? do_raw_spin_unlock+0x172/0x230
[  600.281710][ T7766]  ? kobject_put+0xbe/0x440
[  600.286249][ T7766]  ? device_add+0xc35/0x1aa0
[  600.290876][ T7766]  device_add+0x289/0x1aa0
[  600.296122][ T7766]  ? device_initialize+0x510/0x510
[  600.301253][ T7766]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  600.307614][ T7766]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  600.314700][ T7766]  ? __init_waitqueue_head+0xca/0x150
[  600.320124][ T7766]  netdev_register_kobject+0x183/0x3f0
[  600.325744][ T7766]  register_netdevice+0xbdf/0x14a0
[  600.330898][ T7766]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  600.336868][ T7766]  ? team_nl_cmd_noop+0x280/0x280
[  600.341948][ T7766]  team_newlink+0x92/0x160
[  600.346576][ T7766]  ? team_nl_cmd_noop+0x280/0x280
[  600.351725][ T7766]  ? rtnl_create_link+0xa6d/0xfd0
[  600.356807][ T7766]  __rtnl_newlink+0x1173/0x1930
[  600.361742][ T7766]  ? rtnl_link_unregister+0x260/0x260
[  600.367522][ T7766]  rtnl_newlink+0x67/0xa0
[  600.371962][ T7766]  ? __rtnl_newlink+0x1930/0x1930
[  600.377101][ T7766]  rtnetlink_rcv_msg+0x3c7/0xe00
[  600.382066][ T7766]  ? rtnl_getlink+0xb40/0xb40
[  600.386853][ T7766]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  600.392866][ T7766]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  600.398890][ T7766]  ? __lock_acquire+0xc97/0x5dc0
[  600.403879][ T7766]  netlink_rcv_skb+0x16b/0x440
[  600.408744][ T7766]  ? rtnl_getlink+0xb40/0xb40
[  600.413443][ T7766]  ? netlink_ack+0x1370/0x1370
[  600.418232][ T7766]  ? lock_sync+0x180/0x180
[  600.422720][ T7766]  ? netlink_deliver_tap+0x1a0/0xd00
[  600.428297][ T7766]  ? _copy_from_iter+0x2c1/0x10f0
[  600.433366][ T7766]  netlink_unicast+0x53b/0x810
[  600.438278][ T7766]  ? netlink_attachskb+0x870/0x870
[  600.443694][ T7766]  ? __phys_addr_symbol+0x30/0x70
[  600.448767][ T7766]  ? __check_object_size+0x322/0x730
[  600.454183][ T7766]  netlink_sendmsg+0x939/0xe40
[  600.459074][ T7766]  ? netlink_unicast+0x810/0x810
[  600.464133][ T7766]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  600.469459][ T7766]  ? netlink_unicast+0x810/0x810
[  600.474597][ T7766]  __sock_sendmsg+0xd5/0x180
[  600.479216][ T7766]  ____sys_sendmsg+0x6ac/0x940
[  600.484085][ T7766]  ? copy_msghdr_from_user+0x10b/0x160
[  600.489828][ T7766]  ? kernel_sendmsg+0x50/0x50
[  600.494533][ T7766]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  600.500557][ T7766]  ___sys_sendmsg+0x135/0x1d0
[  600.505265][ T7766]  ? do_recvmmsg+0x740/0x740
[  600.509874][ T7766]  ? find_held_lock+0x2d/0x110
[  600.514685][ T7766]  ? preempt_count_sub+0x150/0x150
[  600.519834][ T7766]  ? __fget_light+0x1fa/0x260
[  600.524541][ T7766]  __sys_sendmsg+0x117/0x1e0
[  600.529163][ T7766]  ? __sys_sendmsg_sock+0x30/0x30
[  600.534232][ T7766]  ? syscall_enter_from_user_mode+0x26/0x80
[  600.540243][ T7766]  do_syscall_64+0x3f/0x110
[  600.544871][ T7766]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  600.550816][ T7766] RIP: 0033:0x7fa730b27eb9
[  600.555268][ T7766] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  600.575177][ T7766] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  600.583630][ T7766] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  600.591718][ T7766] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  600.599734][ T7766] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  600.607745][ T7766] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  600.615741][ T7766] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  600.623936][ T7766]  </TASK>
[  600.634860][ T7766] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  600.663743][ T7766] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  600.673703][ T7766] CPU: 0 PID: 7766 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  600.685468][ T7766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  600.695685][ T7766] Call Trace:
[  600.698985][ T7766]  <TASK>
[  600.702020][ T7766]  dump_stack_lvl+0x125/0x1b0
[  600.706826][ T7766]  sysfs_warn_dup+0x7f/0xa0
[  600.711468][ T7766]  sysfs_create_dir_ns+0x247/0x2a0
[  600.716831][ T7766]  ? sysfs_create_mount_point+0xb0/0xb0
[  600.722597][ T7766]  ? spin_bug+0x1c0/0x1c0
[  600.727159][ T7766]  ? net_namespace+0x12/0x40
[  600.731794][ T7766]  ? device_namespace+0x8d/0xc0
[  600.736694][ T7766]  kobject_add_internal+0x2c8/0x960
[  600.742060][ T7766]  kobject_add+0x16f/0x240
[  600.746537][ T7766]  ? kset_create_and_add+0x190/0x190
[  600.751901][ T7766]  ? do_raw_spin_unlock+0x172/0x230
[  600.757176][ T7766]  ? kobject_put+0xbe/0x440
[  600.761747][ T7766]  ? device_add+0xc35/0x1aa0
[  600.766385][ T7766]  device_add+0x289/0x1aa0
[  600.770840][ T7766]  ? device_initialize+0x510/0x510
[  600.776001][ T7766]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  600.782042][ T7766]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  600.788953][ T7766]  ? __init_waitqueue_head+0xca/0x150
[  600.794560][ T7766]  netdev_register_kobject+0x183/0x3f0
[  600.800153][ T7766]  register_netdevice+0xbdf/0x14a0
[  600.805488][ T7766]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  600.811516][ T7766]  ? validate_linkmsg+0x6fc/0x9c0
[  600.816588][ T7766]  ? rtnl_create_link+0xa6d/0xfd0
[  600.821749][ T7766]  ? batadv_get_sset_count+0x40/0x40
[  600.827107][ T7766]  batadv_softif_newlink+0x70/0x90
[  600.832434][ T7766]  __rtnl_newlink+0x1173/0x1930
[  600.837429][ T7766]  ? rtnl_link_unregister+0x260/0x260
[  600.843060][ T7766]  rtnl_newlink+0x67/0xa0
[  600.847427][ T7766]  ? __rtnl_newlink+0x1930/0x1930
[  600.852580][ T7766]  rtnetlink_rcv_msg+0x3c7/0xe00
[  600.857569][ T7766]  ? rtnl_getlink+0xb40/0xb40
[  600.862289][ T7766]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  600.868332][ T7766]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  600.874467][ T7766]  ? __lock_acquire+0xc97/0x5dc0
[  600.879475][ T7766]  netlink_rcv_skb+0x16b/0x440
[  600.884368][ T7766]  ? rtnl_getlink+0xb40/0xb40
[  600.889086][ T7766]  ? netlink_ack+0x1370/0x1370
[  600.893885][ T7766]  ? lock_sync+0x180/0x180
[  600.898357][ T7766]  ? netlink_deliver_tap+0x1a0/0xd00
[  600.903680][ T7766]  ? _copy_from_iter+0x2c1/0x10f0
[  600.908940][ T7766]  netlink_unicast+0x53b/0x810
[  600.913752][ T7766]  ? netlink_attachskb+0x870/0x870
[  600.918898][ T7766]  ? __phys_addr_symbol+0x30/0x70
[  600.923970][ T7766]  ? __check_object_size+0x322/0x730
[  600.929472][ T7766]  netlink_sendmsg+0x939/0xe40
[  600.934282][ T7766]  ? netlink_unicast+0x810/0x810
[  600.939462][ T7766]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  600.945080][ T7766]  ? netlink_unicast+0x810/0x810
[  600.950114][ T7766]  __sock_sendmsg+0xd5/0x180
[  600.954763][ T7766]  ____sys_sendmsg+0x6ac/0x940
[  600.959573][ T7766]  ? copy_msghdr_from_user+0x10b/0x160
[  600.965346][ T7766]  ? kernel_sendmsg+0x50/0x50
[  600.970194][ T7766]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  600.976239][ T7766]  ___sys_sendmsg+0x135/0x1d0
[  600.980959][ T7766]  ? do_recvmmsg+0x740/0x740
[  600.985591][ T7766]  ? find_held_lock+0x2d/0x110
[  600.990421][ T7766]  ? preempt_count_sub+0x150/0x150
[  600.995587][ T7766]  ? __fget_light+0x1fa/0x260
[  601.000499][ T7766]  __sys_sendmsg+0x117/0x1e0
[  601.005245][ T7766]  ? __sys_sendmsg_sock+0x30/0x30
[  601.010699][ T7766]  ? syscall_enter_from_user_mode+0x26/0x80
[  601.017386][ T7766]  do_syscall_64+0x3f/0x110
[  601.021949][ T7766]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  601.028436][ T7766] RIP: 0033:0x7fa730b27eb9
[  601.032989][ T7766] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  601.052818][ T7766] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  601.061459][ T7766] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  601.070949][ T7766] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  601.078961][ T7766] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  601.087661][ T7766] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  601.095761][ T7766] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  601.103881][ T7766]  </TASK>
[  601.108861][ T7766] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  601.180621][ T7767] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  601.192887][ T7767] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  601.205021][ T7767] CPU: 0 PID: 7767 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  601.216587][ T7767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  601.226842][ T7767] Call Trace:
[  601.230145][ T7767]  <TASK>
[  601.233198][ T7767]  dump_stack_lvl+0x125/0x1b0
[  601.237922][ T7767]  sysfs_warn_dup+0x7f/0xa0
[  601.242630][ T7767]  sysfs_create_dir_ns+0x247/0x2a0
[  601.248039][ T7767]  ? sysfs_create_mount_point+0xb0/0xb0
[  601.253626][ T7767]  ? spin_bug+0x1c0/0x1c0
[  601.258009][ T7767]  ? net_namespace+0x12/0x40
[  601.262644][ T7767]  ? device_namespace+0x8d/0xc0
[  601.267923][ T7767]  kobject_add_internal+0x2c8/0x960
[  601.273441][ T7767]  kobject_add+0x16f/0x240
[  601.277911][ T7767]  ? kset_create_and_add+0x190/0x190
[  601.283352][ T7767]  ? do_raw_spin_unlock+0x172/0x230
[  601.288587][ T7767]  ? kobject_put+0xbe/0x440
[  601.293135][ T7767]  ? device_add+0xc35/0x1aa0
[  601.297757][ T7767]  device_add+0x289/0x1aa0
[  601.302227][ T7767]  ? device_initialize+0x510/0x510
[  601.307443][ T7767]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  601.313368][ T7767]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  601.320270][ T7767]  ? __init_waitqueue_head+0xca/0x150
[  601.325820][ T7767]  netdev_register_kobject+0x183/0x3f0
[  601.331322][ T7767]  register_netdevice+0xbdf/0x14a0
[  601.336473][ T7767]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  601.342492][ T7767]  ? team_nl_cmd_noop+0x280/0x280
[  601.347748][ T7767]  team_newlink+0x92/0x160
[  601.352373][ T7767]  ? team_nl_cmd_noop+0x280/0x280
[  601.357426][ T7767]  ? rtnl_create_link+0xa6d/0xfd0
[  601.362497][ T7767]  __rtnl_newlink+0x1173/0x1930
[  601.367570][ T7767]  ? rtnl_link_unregister+0x260/0x260
[  601.373008][ T7767]  rtnl_newlink+0x67/0xa0
[  601.377373][ T7767]  ? __rtnl_newlink+0x1930/0x1930
[  601.382423][ T7767]  rtnetlink_rcv_msg+0x3c7/0xe00
[  601.387396][ T7767]  ? rtnl_getlink+0xb40/0xb40
[  601.392107][ T7767]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  601.398127][ T7767]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  601.404320][ T7767]  ? __lock_acquire+0xc97/0x5dc0
[  601.409307][ T7767]  netlink_rcv_skb+0x16b/0x440
[  601.414194][ T7767]  ? rtnl_getlink+0xb40/0xb40
[  601.419244][ T7767]  ? netlink_ack+0x1370/0x1370
[  601.424122][ T7767]  ? lock_sync+0x180/0x180
[  601.428677][ T7767]  ? netlink_deliver_tap+0x1a0/0xd00
[  601.433989][ T7767]  ? _copy_from_iter+0x2c1/0x10f0
[  601.439170][ T7767]  netlink_unicast+0x53b/0x810
[  601.444100][ T7767]  ? netlink_attachskb+0x870/0x870
[  601.449633][ T7767]  ? __phys_addr_symbol+0x30/0x70
[  601.454976][ T7767]  ? __check_object_size+0x322/0x730
[  601.460405][ T7767]  netlink_sendmsg+0x939/0xe40
[  601.465235][ T7767]  ? netlink_unicast+0x810/0x810
[  601.470221][ T7767]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  601.475544][ T7767]  ? netlink_unicast+0x810/0x810
[  601.480698][ T7767]  __sock_sendmsg+0xd5/0x180
[  601.485408][ T7767]  ____sys_sendmsg+0x6ac/0x940
[  601.490199][ T7767]  ? copy_msghdr_from_user+0x10b/0x160
[  601.495772][ T7767]  ? kernel_sendmsg+0x50/0x50
[  601.500565][ T7767]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  601.507205][ T7767]  ___sys_sendmsg+0x135/0x1d0
[  601.512006][ T7767]  ? do_recvmmsg+0x740/0x740
[  601.517588][ T7767]  ? find_held_lock+0x2d/0x110
[  601.522505][ T7767]  ? preempt_count_sub+0x150/0x150
[  601.527772][ T7767]  ? __fget_light+0x1fa/0x260
[  601.532587][ T7767]  __sys_sendmsg+0x117/0x1e0
[  601.537220][ T7767]  ? __sys_sendmsg_sock+0x30/0x30
[  601.542293][ T7767]  ? syscall_enter_from_user_mode+0x26/0x80
[  601.548310][ T7767]  do_syscall_64+0x3f/0x110
[  601.552944][ T7767]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  601.558875][ T7767] RIP: 0033:0x7fa730b27eb9
[  601.563374][ T7767] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  601.583194][ T7767] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  601.591918][ T7767] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  601.599924][ T7767] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  601.608009][ T7767] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  601.616188][ T7767] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  601.624280][ T7767] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  601.632569][ T7767]  </TASK>
[  601.642686][ T7767] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  601.688785][ T7767] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  601.698243][ T7767] CPU: 0 PID: 7767 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  601.709824][ T7767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  601.720160][ T7767] Call Trace:
[  601.723465][ T7767]  <TASK>
[  601.726413][ T7767]  dump_stack_lvl+0x125/0x1b0
[  601.731131][ T7767]  sysfs_warn_dup+0x7f/0xa0
[  601.735661][ T7767]  sysfs_create_dir_ns+0x247/0x2a0
[  601.740823][ T7767]  ? sysfs_create_mount_point+0xb0/0xb0
[  601.746669][ T7767]  ? spin_bug+0x1c0/0x1c0
[  601.751557][ T7767]  ? net_namespace+0x12/0x40
[  601.756357][ T7767]  ? device_namespace+0x8d/0xc0
[  601.761248][ T7767]  kobject_add_internal+0x2c8/0x960
[  601.766591][ T7767]  kobject_add+0x16f/0x240
[  601.771300][ T7767]  ? kset_create_and_add+0x190/0x190
[  601.776706][ T7767]  ? do_raw_spin_unlock+0x172/0x230
[  601.782014][ T7767]  ? kobject_put+0xbe/0x440
[  601.786796][ T7767]  ? device_add+0xc35/0x1aa0
[  601.791527][ T7767]  device_add+0x289/0x1aa0
[  601.796008][ T7767]  ? device_initialize+0x510/0x510
[  601.801256][ T7767]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  601.807288][ T7767]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  601.814354][ T7767]  ? __init_waitqueue_head+0xca/0x150
[  601.819845][ T7767]  netdev_register_kobject+0x183/0x3f0
[  601.825414][ T7767]  register_netdevice+0xbdf/0x14a0
[  601.830537][ T7767]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  601.837082][ T7767]  ? validate_linkmsg+0x6fc/0x9c0
[  601.842135][ T7767]  ? rtnl_create_link+0xa6d/0xfd0
[  601.847180][ T7767]  ? batadv_get_sset_count+0x40/0x40
[  601.852498][ T7767]  batadv_softif_newlink+0x70/0x90
[  601.858245][ T7767]  __rtnl_newlink+0x1173/0x1930
[  601.863578][ T7767]  ? rtnl_link_unregister+0x260/0x260
[  601.869577][ T7767]  rtnl_newlink+0x67/0xa0
[  601.874204][ T7767]  ? __rtnl_newlink+0x1930/0x1930
[  601.879788][ T7767]  rtnetlink_rcv_msg+0x3c7/0xe00
[  601.885309][ T7767]  ? rtnl_getlink+0xb40/0xb40
[  601.890196][ T7767]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  601.896610][ T7767]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  601.902909][ T7767]  ? __lock_acquire+0xc97/0x5dc0
[  601.907922][ T7767]  netlink_rcv_skb+0x16b/0x440
[  601.912828][ T7767]  ? rtnl_getlink+0xb40/0xb40
[  601.917708][ T7767]  ? netlink_ack+0x1370/0x1370
[  601.922771][ T7767]  ? lock_sync+0x180/0x180
[  601.927266][ T7767]  ? netlink_deliver_tap+0x1a0/0xd00
[  601.933154][ T7767]  ? _copy_from_iter+0x2c1/0x10f0
[  601.938405][ T7767]  netlink_unicast+0x53b/0x810
[  601.943294][ T7767]  ? netlink_attachskb+0x870/0x870
[  601.949023][ T7767]  ? __phys_addr_symbol+0x30/0x70
[  601.954153][ T7767]  ? __check_object_size+0x322/0x730
[  601.959699][ T7767]  netlink_sendmsg+0x939/0xe40
[  601.964510][ T7767]  ? netlink_unicast+0x810/0x810
[  601.969656][ T7767]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  601.975168][ T7767]  ? netlink_unicast+0x810/0x810
[  601.981295][ T7767]  __sock_sendmsg+0xd5/0x180
[  601.985920][ T7767]  ____sys_sendmsg+0x6ac/0x940
[  601.990823][ T7767]  ? copy_msghdr_from_user+0x10b/0x160
[  601.996382][ T7767]  ? kernel_sendmsg+0x50/0x50
[  602.001158][ T7767]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  602.007425][ T7767]  ___sys_sendmsg+0x135/0x1d0
[  602.012236][ T7767]  ? do_recvmmsg+0x740/0x740
[  602.017306][ T7767]  ? find_held_lock+0x2d/0x110
[  602.022115][ T7767]  ? preempt_count_sub+0x150/0x150
[  602.027810][ T7767]  ? __fget_light+0x1fa/0x260
[  602.033055][ T7767]  __sys_sendmsg+0x117/0x1e0
[  602.037886][ T7767]  ? __sys_sendmsg_sock+0x30/0x30
[  602.043307][ T7767]  ? syscall_enter_from_user_mode+0x26/0x80
[  602.049486][ T7767]  do_syscall_64+0x3f/0x110
[  602.054053][ T7767]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  602.060003][ T7767] RIP: 0033:0x7fa730b27eb9
[  602.064533][ T7767] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  602.085334][ T7767] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  602.093784][ T7767] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  602.101802][ T7767] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  602.110245][ T7767] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  602.118347][ T7767] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  602.127476][ T7767] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  602.135734][ T7767]  </TASK>
[  602.140345][ T7767] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  602.224048][ T7768] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  602.236006][ T7768] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  602.245716][ T7768] CPU: 0 PID: 7768 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  602.257396][ T7768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  602.267842][ T7768] Call Trace:
[  602.271142][ T7768]  <TASK>
[  602.274089][ T7768]  dump_stack_lvl+0x125/0x1b0
[  602.278822][ T7768]  sysfs_warn_dup+0x7f/0xa0
[  602.283451][ T7768]  sysfs_create_dir_ns+0x247/0x2a0
[  602.288585][ T7768]  ? sysfs_create_mount_point+0xb0/0xb0
[  602.296171][ T7768]  ? spin_bug+0x1c0/0x1c0
[  602.300715][ T7768]  ? net_namespace+0x12/0x40
[  602.305517][ T7768]  ? device_namespace+0x8d/0xc0
[  602.310407][ T7768]  kobject_add_internal+0x2c8/0x960
[  602.315889][ T7768]  kobject_add+0x16f/0x240
[  602.320999][ T7768]  ? kset_create_and_add+0x190/0x190
[  602.326508][ T7768]  ? do_raw_spin_unlock+0x172/0x230
[  602.331753][ T7768]  ? kobject_put+0xbe/0x440
[  602.336298][ T7768]  ? device_add+0xc35/0x1aa0
[  602.340921][ T7768]  device_add+0x289/0x1aa0
[  602.345460][ T7768]  ? device_initialize+0x510/0x510
[  602.350605][ T7768]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  602.356451][ T7768]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  602.363344][ T7768]  ? __init_waitqueue_head+0xca/0x150
[  602.369281][ T7768]  netdev_register_kobject+0x183/0x3f0
[  602.374790][ T7768]  register_netdevice+0xbdf/0x14a0
[  602.380214][ T7768]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  602.386147][ T7768]  ? team_nl_cmd_noop+0x280/0x280
[  602.391206][ T7768]  team_newlink+0x92/0x160
[  602.395668][ T7768]  ? team_nl_cmd_noop+0x280/0x280
[  602.400728][ T7768]  ? rtnl_create_link+0xa6d/0xfd0
[  602.405805][ T7768]  __rtnl_newlink+0x1173/0x1930
[  602.410701][ T7768]  ? rtnl_link_unregister+0x260/0x260
[  602.416139][ T7768]  rtnl_newlink+0x67/0xa0
[  602.420494][ T7768]  ? __rtnl_newlink+0x1930/0x1930
[  602.425546][ T7768]  rtnetlink_rcv_msg+0x3c7/0xe00
[  602.430600][ T7768]  ? rtnl_getlink+0xb40/0xb40
[  602.435297][ T7768]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  602.441517][ T7768]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  602.447532][ T7768]  ? __lock_acquire+0xc97/0x5dc0
[  602.452520][ T7768]  netlink_rcv_skb+0x16b/0x440
[  602.457324][ T7768]  ? rtnl_getlink+0xb40/0xb40
[  602.462114][ T7768]  ? netlink_ack+0x1370/0x1370
[  602.466906][ T7768]  ? lock_sync+0x180/0x180
[  602.471480][ T7768]  ? netlink_deliver_tap+0x1a0/0xd00
[  602.476816][ T7768]  ? _copy_from_iter+0x2c1/0x10f0
[  602.481885][ T7768]  netlink_unicast+0x53b/0x810
[  602.486688][ T7768]  ? netlink_attachskb+0x870/0x870
[  602.491835][ T7768]  ? __phys_addr_symbol+0x30/0x70
[  602.496996][ T7768]  ? __check_object_size+0x322/0x730
[  602.502429][ T7768]  netlink_sendmsg+0x939/0xe40
[  602.507321][ T7768]  ? netlink_unicast+0x810/0x810
[  602.512311][ T7768]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  602.517626][ T7768]  ? netlink_unicast+0x810/0x810
[  602.522859][ T7768]  __sock_sendmsg+0xd5/0x180
[  602.527480][ T7768]  ____sys_sendmsg+0x6ac/0x940
[  602.532273][ T7768]  ? copy_msghdr_from_user+0x10b/0x160
[  602.537768][ T7768]  ? kernel_sendmsg+0x50/0x50
[  602.542472][ T7768]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  602.548668][ T7768]  ___sys_sendmsg+0x135/0x1d0
[  602.553384][ T7768]  ? do_recvmmsg+0x740/0x740
[  602.558010][ T7768]  ? find_held_lock+0x2d/0x110
[  602.563037][ T7768]  ? preempt_count_sub+0x150/0x150
[  602.568287][ T7768]  ? __fget_light+0x1fa/0x260
[  602.573005][ T7768]  __sys_sendmsg+0x117/0x1e0
[  602.577718][ T7768]  ? __sys_sendmsg_sock+0x30/0x30
[  602.582806][ T7768]  ? syscall_enter_from_user_mode+0x26/0x80
[  602.588834][ T7768]  do_syscall_64+0x3f/0x110
[  602.593376][ T7768]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  602.599488][ T7768] RIP: 0033:0x7fa730b27eb9
[  602.604011][ T7768] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  602.623858][ T7768] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  602.632508][ T7768] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  602.640607][ T7768] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  602.648706][ T7768] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  602.656707][ T7768] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  602.664703][ T7768] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  602.672717][ T7768]  </TASK>
[  602.676405][ T7768] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  602.704168][ T7768] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  602.713465][ T7768] CPU: 0 PID: 7768 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  602.724874][ T7768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  602.734969][ T7768] Call Trace:
[  602.738446][ T7768]  <TASK>
[  602.741390][ T7768]  dump_stack_lvl+0x125/0x1b0
[  602.746198][ T7768]  sysfs_warn_dup+0x7f/0xa0
[  602.750911][ T7768]  sysfs_create_dir_ns+0x247/0x2a0
[  602.756315][ T7768]  ? sysfs_create_mount_point+0xb0/0xb0
[  602.763279][ T7768]  ? spin_bug+0x1c0/0x1c0
[  602.767649][ T7768]  ? net_namespace+0x12/0x40
[  602.772786][ T7768]  ? device_namespace+0x8d/0xc0
[  602.777690][ T7768]  kobject_add_internal+0x2c8/0x960
[  602.782944][ T7768]  kobject_add+0x16f/0x240
[  602.787392][ T7768]  ? kset_create_and_add+0x190/0x190
[  602.792728][ T7768]  ? do_raw_spin_unlock+0x172/0x230
[  602.798053][ T7768]  ? kobject_put+0xbe/0x440
[  602.802601][ T7768]  ? device_add+0xc35/0x1aa0
[  602.807225][ T7768]  device_add+0x289/0x1aa0
[  602.811667][ T7768]  ? device_initialize+0x510/0x510
[  602.816800][ T7768]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  602.822639][ T7768]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  602.830226][ T7768]  ? __init_waitqueue_head+0xca/0x150
[  602.836474][ T7768]  netdev_register_kobject+0x183/0x3f0
[  602.841976][ T7768]  register_netdevice+0xbdf/0x14a0
[  602.847559][ T7768]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  602.853493][ T7768]  ? validate_linkmsg+0x6fc/0x9c0
[  602.858662][ T7768]  ? rtnl_create_link+0xa6d/0xfd0
[  602.863837][ T7768]  ? batadv_get_sset_count+0x40/0x40
[  602.869425][ T7768]  batadv_softif_newlink+0x70/0x90
[  602.874580][ T7768]  __rtnl_newlink+0x1173/0x1930
[  602.879566][ T7768]  ? rtnl_link_unregister+0x260/0x260
[  602.886310][ T7768]  rtnl_newlink+0x67/0xa0
[  602.891194][ T7768]  ? __rtnl_newlink+0x1930/0x1930
[  602.896522][ T7768]  rtnetlink_rcv_msg+0x3c7/0xe00
[  602.901521][ T7768]  ? rtnl_getlink+0xb40/0xb40
[  602.906225][ T7768]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  602.912246][ T7768]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  602.918441][ T7768]  ? __lock_acquire+0xc97/0x5dc0
[  602.923427][ T7768]  netlink_rcv_skb+0x16b/0x440
[  602.928835][ T7768]  ? rtnl_getlink+0xb40/0xb40
[  602.933540][ T7768]  ? netlink_ack+0x1370/0x1370
[  602.938418][ T7768]  ? lock_sync+0x180/0x180
[  602.942973][ T7768]  ? netlink_deliver_tap+0x1a0/0xd00
[  602.948552][ T7768]  ? _copy_from_iter+0x2c1/0x10f0
[  602.953618][ T7768]  netlink_unicast+0x53b/0x810
[  602.958537][ T7768]  ? netlink_attachskb+0x870/0x870
[  602.963766][ T7768]  ? __phys_addr_symbol+0x30/0x70
[  602.969531][ T7768]  ? __check_object_size+0x322/0x730
[  602.974948][ T7768]  netlink_sendmsg+0x939/0xe40
[  602.979871][ T7768]  ? netlink_unicast+0x810/0x810
[  602.984852][ T7768]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  602.990340][ T7768]  ? netlink_unicast+0x810/0x810
[  602.995487][ T7768]  __sock_sendmsg+0xd5/0x180
[  603.000281][ T7768]  ____sys_sendmsg+0x6ac/0x940
[  603.005160][ T7768]  ? copy_msghdr_from_user+0x10b/0x160
[  603.010654][ T7768]  ? kernel_sendmsg+0x50/0x50
[  603.015426][ T7768]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  603.021541][ T7768]  ___sys_sendmsg+0x135/0x1d0
[  603.026257][ T7768]  ? do_recvmmsg+0x740/0x740
[  603.031137][ T7768]  ? find_held_lock+0x2d/0x110
[  603.036212][ T7768]  ? preempt_count_sub+0x150/0x150
[  603.041541][ T7768]  ? __fget_light+0x1fa/0x260
[  603.046342][ T7768]  __sys_sendmsg+0x117/0x1e0
[  603.050992][ T7768]  ? __sys_sendmsg_sock+0x30/0x30
[  603.056082][ T7768]  ? syscall_enter_from_user_mode+0x26/0x80
[  603.062015][ T7768]  do_syscall_64+0x3f/0x110
[  603.066691][ T7768]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  603.072701][ T7768] RIP: 0033:0x7fa730b27eb9
[  603.077757][ T7768] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  603.097569][ T7768] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  603.106014][ T7768] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  603.114370][ T7768] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  603.122979][ T7768] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  603.131786][ T7768] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  603.140050][ T7768] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  603.148422][ T7768]  </TASK>
[  603.152269][ T7768] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  603.214103][ T7769] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  603.227859][ T7769] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  603.237730][ T7769] CPU: 0 PID: 7769 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  603.249144][ T7769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  603.259575][ T7769] Call Trace:
[  603.262877][ T7769]  <TASK>
[  603.265833][ T7769]  dump_stack_lvl+0x125/0x1b0
[  603.270573][ T7769]  sysfs_warn_dup+0x7f/0xa0
[  603.275205][ T7769]  sysfs_create_dir_ns+0x247/0x2a0
[  603.280518][ T7769]  ? sysfs_create_mount_point+0xb0/0xb0
[  603.286086][ T7769]  ? spin_bug+0x1c0/0x1c0
[  603.290535][ T7769]  ? net_namespace+0x12/0x40
[  603.295144][ T7769]  ? device_namespace+0x8d/0xc0
[  603.300120][ T7769]  kobject_add_internal+0x2c8/0x960
[  603.305559][ T7769]  kobject_add+0x16f/0x240
[  603.310015][ T7769]  ? kset_create_and_add+0x190/0x190
[  603.315417][ T7769]  ? do_raw_spin_unlock+0x172/0x230
[  603.320657][ T7769]  ? kobject_put+0xbe/0x440
[  603.325278][ T7769]  ? device_add+0xc35/0x1aa0
[  603.329988][ T7769]  device_add+0x289/0x1aa0
[  603.334432][ T7769]  ? device_initialize+0x510/0x510
[  603.339560][ T7769]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  603.345393][ T7769]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  603.352385][ T7769]  ? __init_waitqueue_head+0xca/0x150
[  603.357797][ T7769]  netdev_register_kobject+0x183/0x3f0
[  603.363389][ T7769]  register_netdevice+0xbdf/0x14a0
[  603.368803][ T7769]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  603.374828][ T7769]  ? team_nl_cmd_noop+0x280/0x280
[  603.379911][ T7769]  team_newlink+0x92/0x160
[  603.384552][ T7769]  ? team_nl_cmd_noop+0x280/0x280
[  603.389639][ T7769]  ? rtnl_create_link+0xa6d/0xfd0
[  603.394737][ T7769]  __rtnl_newlink+0x1173/0x1930
[  603.399639][ T7769]  ? rtnl_link_unregister+0x260/0x260
[  603.405072][ T7769]  rtnl_newlink+0x67/0xa0
[  603.409636][ T7769]  ? __rtnl_newlink+0x1930/0x1930
[  603.415044][ T7769]  rtnetlink_rcv_msg+0x3c7/0xe00
[  603.420236][ T7769]  ? rtnl_getlink+0xb40/0xb40
[  603.425036][ T7769]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  603.431174][ T7769]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  603.437309][ T7769]  ? __lock_acquire+0xc97/0x5dc0
[  603.442301][ T7769]  netlink_rcv_skb+0x16b/0x440
[  603.447192][ T7769]  ? rtnl_getlink+0xb40/0xb40
[  603.451895][ T7769]  ? netlink_ack+0x1370/0x1370
[  603.456784][ T7769]  ? lock_sync+0x180/0x180
[  603.461251][ T7769]  ? netlink_deliver_tap+0x1a0/0xd00
[  603.466579][ T7769]  ? _copy_from_iter+0x2c1/0x10f0
[  603.471690][ T7769]  netlink_unicast+0x53b/0x810
[  603.476705][ T7769]  ? netlink_attachskb+0x870/0x870
[  603.482041][ T7769]  ? __phys_addr_symbol+0x30/0x70
[  603.487328][ T7769]  ? __check_object_size+0x322/0x730
[  603.492842][ T7769]  netlink_sendmsg+0x939/0xe40
[  603.497847][ T7769]  ? netlink_unicast+0x810/0x810
[  603.502903][ T7769]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  603.508246][ T7769]  ? netlink_unicast+0x810/0x810
[  603.513594][ T7769]  __sock_sendmsg+0xd5/0x180
[  603.518400][ T7769]  ____sys_sendmsg+0x6ac/0x940
[  603.523554][ T7769]  ? copy_msghdr_from_user+0x10b/0x160
[  603.529672][ T7769]  ? kernel_sendmsg+0x50/0x50
[  603.534398][ T7769]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  603.540430][ T7769]  ___sys_sendmsg+0x135/0x1d0
[  603.545153][ T7769]  ? do_recvmmsg+0x740/0x740
[  603.549770][ T7769]  ? find_held_lock+0x2d/0x110
[  603.554579][ T7769]  ? preempt_count_sub+0x150/0x150
[  603.559843][ T7769]  ? __fget_light+0x1fa/0x260
[  603.564685][ T7769]  __sys_sendmsg+0x117/0x1e0
[  603.569358][ T7769]  ? __sys_sendmsg_sock+0x30/0x30
[  603.574892][ T7769]  ? syscall_enter_from_user_mode+0x26/0x80
[  603.581193][ T7769]  do_syscall_64+0x3f/0x110
[  603.585852][ T7769]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  603.591990][ T7769] RIP: 0033:0x7fa730b27eb9
[  603.596704][ T7769] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  603.619054][ T7769] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  603.628284][ T7769] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  603.636832][ T7769] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  603.645221][ T7769] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  603.654524][ T7769] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  603.662699][ T7769] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  603.670800][ T7769]  </TASK>
[  603.676572][ T7769] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  603.717875][ T7769] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  603.727783][ T7769] CPU: 0 PID: 7769 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  603.739377][ T7769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  603.749724][ T7769] Call Trace:
[  603.753026][ T7769]  <TASK>
[  603.755969][ T7769]  dump_stack_lvl+0x125/0x1b0
[  603.760681][ T7769]  sysfs_warn_dup+0x7f/0xa0
[  603.765303][ T7769]  sysfs_create_dir_ns+0x247/0x2a0
[  603.770434][ T7769]  ? sysfs_create_mount_point+0xb0/0xb0
[  603.776192][ T7769]  ? spin_bug+0x1c0/0x1c0
[  603.780730][ T7769]  ? net_namespace+0x12/0x40
[  603.786323][ T7769]  ? device_namespace+0x8d/0xc0
[  603.791319][ T7769]  kobject_add_internal+0x2c8/0x960
[  603.796579][ T7769]  kobject_add+0x16f/0x240
[  603.801173][ T7769]  ? kset_create_and_add+0x190/0x190
[  603.806618][ T7769]  ? do_raw_spin_unlock+0x172/0x230
[  603.811869][ T7769]  ? kobject_put+0xbe/0x440
[  603.816825][ T7769]  ? device_add+0xc35/0x1aa0
[  603.821542][ T7769]  device_add+0x289/0x1aa0
[  603.825993][ T7769]  ? device_initialize+0x510/0x510
[  603.831464][ T7769]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  603.837553][ T7769]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  603.844506][ T7769]  ? __init_waitqueue_head+0xca/0x150
[  603.849898][ T7769]  netdev_register_kobject+0x183/0x3f0
[  603.855372][ T7769]  register_netdevice+0xbdf/0x14a0
[  603.860947][ T7769]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  603.866934][ T7769]  ? validate_linkmsg+0x6fc/0x9c0
[  603.872157][ T7769]  ? rtnl_create_link+0xa6d/0xfd0
[  603.877365][ T7769]  ? batadv_get_sset_count+0x40/0x40
[  603.882698][ T7769]  batadv_softif_newlink+0x70/0x90
[  603.887850][ T7769]  __rtnl_newlink+0x1173/0x1930
[  603.892736][ T7769]  ? rtnl_link_unregister+0x260/0x260
[  603.898246][ T7769]  rtnl_newlink+0x67/0xa0
[  603.902678][ T7769]  ? __rtnl_newlink+0x1930/0x1930
[  603.907808][ T7769]  rtnetlink_rcv_msg+0x3c7/0xe00
[  603.912867][ T7769]  ? rtnl_getlink+0xb40/0xb40
[  603.917577][ T7769]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  603.924098][ T7769]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  603.930180][ T7769]  ? __lock_acquire+0xc97/0x5dc0
[  603.935147][ T7769]  netlink_rcv_skb+0x16b/0x440
[  603.940461][ T7769]  ? rtnl_getlink+0xb40/0xb40
[  603.945498][ T7769]  ? netlink_ack+0x1370/0x1370
[  603.950267][ T7769]  ? lock_sync+0x180/0x180
[  603.954735][ T7769]  ? netlink_deliver_tap+0x1a0/0xd00
[  603.960028][ T7769]  ? _copy_from_iter+0x2c1/0x10f0
[  603.965072][ T7769]  netlink_unicast+0x53b/0x810
[  603.969849][ T7769]  ? netlink_attachskb+0x870/0x870
[  603.975145][ T7769]  ? __phys_addr_symbol+0x30/0x70
[  603.980433][ T7769]  ? __check_object_size+0x322/0x730
[  603.985729][ T7769]  netlink_sendmsg+0x939/0xe40
[  603.990512][ T7769]  ? netlink_unicast+0x810/0x810
[  603.995555][ T7769]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  604.000975][ T7769]  ? netlink_unicast+0x810/0x810
[  604.006125][ T7769]  __sock_sendmsg+0xd5/0x180
[  604.010779][ T7769]  ____sys_sendmsg+0x6ac/0x940
[  604.015922][ T7769]  ? copy_msghdr_from_user+0x10b/0x160
[  604.021671][ T7769]  ? kernel_sendmsg+0x50/0x50
[  604.026362][ T7769]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  604.032452][ T7769]  ___sys_sendmsg+0x135/0x1d0
[  604.037493][ T7769]  ? do_recvmmsg+0x740/0x740
[  604.042359][ T7769]  ? find_held_lock+0x2d/0x110
[  604.047146][ T7769]  ? preempt_count_sub+0x150/0x150
[  604.052278][ T7769]  ? __fget_light+0x1fa/0x260
[  604.057291][ T7769]  __sys_sendmsg+0x117/0x1e0
[  604.062087][ T7769]  ? __sys_sendmsg_sock+0x30/0x30
[  604.067658][ T7769]  ? syscall_enter_from_user_mode+0x26/0x80
[  604.073718][ T7769]  do_syscall_64+0x3f/0x110
[  604.078341][ T7769]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  604.084353][ T7769] RIP: 0033:0x7fa730b27eb9
[  604.089575][ T7769] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  604.109380][ T7769] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  604.118061][ T7769] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  604.126123][ T7769] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  604.134221][ T7769] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  604.142433][ T7769] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  604.150679][ T7769] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  604.158768][ T7769]  </TASK>
[  604.169516][ T7769] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  604.253927][ T7770] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  604.265887][ T7770] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  604.277568][ T7770] CPU: 1 PID: 7770 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  604.288993][ T7770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  604.299173][ T7770] Call Trace:
[  604.302480][ T7770]  <TASK>
[  604.305628][ T7770]  dump_stack_lvl+0x125/0x1b0
[  604.310446][ T7770]  sysfs_warn_dup+0x7f/0xa0
[  604.315176][ T7770]  sysfs_create_dir_ns+0x247/0x2a0
[  604.320338][ T7770]  ? sysfs_create_mount_point+0xb0/0xb0
[  604.325933][ T7770]  ? spin_bug+0x1c0/0x1c0
[  604.330379][ T7770]  ? net_namespace+0x12/0x40
[  604.335964][ T7770]  ? device_namespace+0x8d/0xc0
[  604.341098][ T7770]  kobject_add_internal+0x2c8/0x960
[  604.346607][ T7770]  kobject_add+0x16f/0x240
[  604.351212][ T7770]  ? kset_create_and_add+0x190/0x190
[  604.356527][ T7770]  ? do_raw_spin_unlock+0x172/0x230
[  604.361836][ T7770]  ? kobject_put+0xbe/0x440
[  604.366703][ T7770]  ? device_add+0xc35/0x1aa0
[  604.371419][ T7770]  device_add+0x289/0x1aa0
[  604.375944][ T7770]  ? device_initialize+0x510/0x510
[  604.381235][ T7770]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  604.387143][ T7770]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  604.394182][ T7770]  ? __init_waitqueue_head+0xca/0x150
[  604.399583][ T7770]  netdev_register_kobject+0x183/0x3f0
[  604.405061][ T7770]  register_netdevice+0xbdf/0x14a0
[  604.410275][ T7770]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  604.416626][ T7770]  ? team_nl_cmd_noop+0x280/0x280
[  604.421946][ T7770]  team_newlink+0x92/0x160
[  604.426553][ T7770]  ? team_nl_cmd_noop+0x280/0x280
[  604.431693][ T7770]  ? rtnl_create_link+0xa6d/0xfd0
[  604.437004][ T7770]  __rtnl_newlink+0x1173/0x1930
[  604.441969][ T7770]  ? rtnl_link_unregister+0x260/0x260
[  604.447381][ T7770]  rtnl_newlink+0x67/0xa0
[  604.451731][ T7770]  ? __rtnl_newlink+0x1930/0x1930
[  604.456846][ T7770]  rtnetlink_rcv_msg+0x3c7/0xe00
[  604.461796][ T7770]  ? rtnl_getlink+0xb40/0xb40
[  604.466650][ T7770]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  604.472928][ T7770]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  604.479096][ T7770]  ? __lock_acquire+0xc97/0x5dc0
[  604.484078][ T7770]  netlink_rcv_skb+0x16b/0x440
[  604.489212][ T7770]  ? rtnl_getlink+0xb40/0xb40
[  604.493984][ T7770]  ? netlink_ack+0x1370/0x1370
[  604.498767][ T7770]  ? lock_sync+0x180/0x180
[  604.503308][ T7770]  ? netlink_deliver_tap+0x1a0/0xd00
[  604.508786][ T7770]  ? _copy_from_iter+0x2c1/0x10f0
[  604.514357][ T7770]  netlink_unicast+0x53b/0x810
[  604.519419][ T7770]  ? netlink_attachskb+0x870/0x870
[  604.524539][ T7770]  ? __phys_addr_symbol+0x30/0x70
[  604.530100][ T7770]  ? __check_object_size+0x322/0x730
[  604.535407][ T7770]  netlink_sendmsg+0x939/0xe40
[  604.540361][ T7770]  ? netlink_unicast+0x810/0x810
[  604.545489][ T7770]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  604.550815][ T7770]  ? netlink_unicast+0x810/0x810
[  604.555954][ T7770]  __sock_sendmsg+0xd5/0x180
[  604.560554][ T7770]  ____sys_sendmsg+0x6ac/0x940
[  604.565438][ T7770]  ? copy_msghdr_from_user+0x10b/0x160
[  604.571079][ T7770]  ? kernel_sendmsg+0x50/0x50
[  604.575781][ T7770]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  604.581785][ T7770]  ___sys_sendmsg+0x135/0x1d0
[  604.586915][ T7770]  ? do_recvmmsg+0x740/0x740
[  604.591706][ T7770]  ? find_held_lock+0x2d/0x110
[  604.596533][ T7770]  ? preempt_count_sub+0x150/0x150
[  604.601664][ T7770]  ? __fget_light+0x1fa/0x260
[  604.606356][ T7770]  __sys_sendmsg+0x117/0x1e0
[  604.610952][ T7770]  ? __sys_sendmsg_sock+0x30/0x30
[  604.616008][ T7770]  ? syscall_enter_from_user_mode+0x26/0x80
[  604.622109][ T7770]  do_syscall_64+0x3f/0x110
[  604.626725][ T7770]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  604.632801][ T7770] RIP: 0033:0x7fa730b27eb9
[  604.637219][ T7770] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  604.656928][ T7770] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  604.665355][ T7770] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  604.673942][ T7770] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  604.682518][ T7770] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  604.690576][ T7770] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  604.698740][ T7770] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  604.706912][ T7770]  </TASK>
[  604.718151][ T7770] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  604.761229][ T7770] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  604.771009][ T7770] CPU: 1 PID: 7770 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  604.782455][ T7770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  604.792540][ T7770] Call Trace:
[  604.795835][ T7770]  <TASK>
[  604.798778][ T7770]  dump_stack_lvl+0x125/0x1b0
[  604.803493][ T7770]  sysfs_warn_dup+0x7f/0xa0
[  604.808018][ T7770]  sysfs_create_dir_ns+0x247/0x2a0
[  604.813328][ T7770]  ? sysfs_create_mount_point+0xb0/0xb0
[  604.819068][ T7770]  ? spin_bug+0x1c0/0x1c0
[  604.823518][ T7770]  ? net_namespace+0x12/0x40
[  604.828132][ T7770]  ? device_namespace+0x8d/0xc0
[  604.833102][ T7770]  kobject_add_internal+0x2c8/0x960
[  604.838616][ T7770]  kobject_add+0x16f/0x240
[  604.843164][ T7770]  ? kset_create_and_add+0x190/0x190
[  604.848852][ T7770]  ? do_raw_spin_unlock+0x172/0x230
[  604.854187][ T7770]  ? kobject_put+0xbe/0x440
[  604.858730][ T7770]  ? device_add+0xc35/0x1aa0
[  604.863441][ T7770]  device_add+0x289/0x1aa0
[  604.867974][ T7770]  ? device_initialize+0x510/0x510
[  604.873277][ T7770]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  604.879137][ T7770]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  604.886308][ T7770]  ? __init_waitqueue_head+0xca/0x150
[  604.891826][ T7770]  netdev_register_kobject+0x183/0x3f0
[  604.897417][ T7770]  register_netdevice+0xbdf/0x14a0
[  604.902742][ T7770]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  604.908850][ T7770]  ? validate_linkmsg+0x6fc/0x9c0
[  604.914027][ T7770]  ? rtnl_create_link+0xa6d/0xfd0
[  604.919098][ T7770]  ? batadv_get_sset_count+0x40/0x40
[  604.925048][ T7770]  batadv_softif_newlink+0x70/0x90
[  604.930375][ T7770]  __rtnl_newlink+0x1173/0x1930
[  604.935979][ T7770]  ? rtnl_link_unregister+0x260/0x260
[  604.941420][ T7770]  rtnl_newlink+0x67/0xa0
[  604.945883][ T7770]  ? __rtnl_newlink+0x1930/0x1930
[  604.951130][ T7770]  rtnetlink_rcv_msg+0x3c7/0xe00
[  604.956096][ T7770]  ? rtnl_getlink+0xb40/0xb40
[  604.960789][ T7770]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  604.966824][ T7770]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  604.972935][ T7770]  ? __lock_acquire+0xc97/0x5dc0
[  604.978096][ T7770]  netlink_rcv_skb+0x16b/0x440
[  604.983160][ T7770]  ? rtnl_getlink+0xb40/0xb40
[  604.988125][ T7770]  ? netlink_ack+0x1370/0x1370
[  604.993087][ T7770]  ? lock_sync+0x180/0x180
[  604.997566][ T7770]  ? netlink_deliver_tap+0x1a0/0xd00
[  605.003144][ T7770]  ? _copy_from_iter+0x2c1/0x10f0
[  605.008279][ T7770]  netlink_unicast+0x53b/0x810
[  605.013102][ T7770]  ? netlink_attachskb+0x870/0x870
[  605.018248][ T7770]  ? __phys_addr_symbol+0x30/0x70
[  605.023590][ T7770]  ? __check_object_size+0x322/0x730
[  605.028899][ T7770]  netlink_sendmsg+0x939/0xe40
[  605.033701][ T7770]  ? netlink_unicast+0x810/0x810
[  605.038857][ T7770]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  605.044166][ T7770]  ? netlink_unicast+0x810/0x810
[  605.049134][ T7770]  __sock_sendmsg+0xd5/0x180
[  605.053747][ T7770]  ____sys_sendmsg+0x6ac/0x940
[  605.058529][ T7770]  ? copy_msghdr_from_user+0x10b/0x160
[  605.064447][ T7770]  ? kernel_sendmsg+0x50/0x50
[  605.069411][ T7770]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  605.075617][ T7770]  ___sys_sendmsg+0x135/0x1d0
[  605.080325][ T7770]  ? do_recvmmsg+0x740/0x740
[  605.085024][ T7770]  ? find_held_lock+0x2d/0x110
[  605.089835][ T7770]  ? preempt_count_sub+0x150/0x150
[  605.094990][ T7770]  ? __fget_light+0x1fa/0x260
[  605.099964][ T7770]  __sys_sendmsg+0x117/0x1e0
[  605.105048][ T7770]  ? __sys_sendmsg_sock+0x30/0x30
[  605.110205][ T7770]  ? syscall_enter_from_user_mode+0x26/0x80
[  605.116142][ T7770]  do_syscall_64+0x3f/0x110
[  605.120857][ T7770]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  605.126952][ T7770] RIP: 0033:0x7fa730b27eb9
[  605.131429][ T7770] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  605.151259][ T7770] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  605.159958][ T7770] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  605.167972][ T7770] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  605.176040][ T7770] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  605.184100][ T7770] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  605.192259][ T7770] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  605.200694][ T7770]  </TASK>
[  605.217470][ T7770] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  605.274058][ T7771] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  605.286068][ T7771] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  605.295807][ T7771] CPU: 0 PID: 7771 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  605.307303][ T7771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  605.317383][ T7771] Call Trace:
[  605.320688][ T7771]  <TASK>
[  605.323638][ T7771]  dump_stack_lvl+0x125/0x1b0
[  605.328349][ T7771]  sysfs_warn_dup+0x7f/0xa0
[  605.332885][ T7771]  sysfs_create_dir_ns+0x247/0x2a0
[  605.338021][ T7771]  ? sysfs_create_mount_point+0xb0/0xb0
[  605.343673][ T7771]  ? spin_bug+0x1c0/0x1c0
[  605.348038][ T7771]  ? net_namespace+0x12/0x40
[  605.352651][ T7771]  ? device_namespace+0x8d/0xc0
[  605.357968][ T7771]  kobject_add_internal+0x2c8/0x960
[  605.363301][ T7771]  kobject_add+0x16f/0x240
[  605.367911][ T7771]  ? kset_create_and_add+0x190/0x190
[  605.374780][ T7771]  ? do_raw_spin_unlock+0x172/0x230
[  605.379997][ T7771]  ? kobject_put+0xbe/0x440
[  605.384517][ T7771]  ? device_add+0xc35/0x1aa0
[  605.389120][ T7771]  device_add+0x289/0x1aa0
[  605.393549][ T7771]  ? device_initialize+0x510/0x510
[  605.399011][ T7771]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  605.405094][ T7771]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  605.412053][ T7771]  ? __init_waitqueue_head+0xca/0x150
[  605.417447][ T7771]  netdev_register_kobject+0x183/0x3f0
[  605.422922][ T7771]  register_netdevice+0xbdf/0x14a0
[  605.428170][ T7771]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  605.434435][ T7771]  ? team_nl_cmd_noop+0x280/0x280
[  605.441416][ T7771]  team_newlink+0x92/0x160
[  605.446019][ T7771]  ? team_nl_cmd_noop+0x280/0x280
[  605.451399][ T7771]  ? rtnl_create_link+0xa6d/0xfd0
[  605.456542][ T7771]  __rtnl_newlink+0x1173/0x1930
[  605.461511][ T7771]  ? rtnl_link_unregister+0x260/0x260
[  605.467014][ T7771]  rtnl_newlink+0x67/0xa0
[  605.471451][ T7771]  ? __rtnl_newlink+0x1930/0x1930
[  605.476581][ T7771]  rtnetlink_rcv_msg+0x3c7/0xe00
[  605.482154][ T7771]  ? rtnl_getlink+0xb40/0xb40
[  605.487125][ T7771]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  605.493138][ T7771]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  605.499138][ T7771]  ? __lock_acquire+0xc97/0x5dc0
[  605.504184][ T7771]  netlink_rcv_skb+0x16b/0x440
[  605.508975][ T7771]  ? rtnl_getlink+0xb40/0xb40
[  605.513745][ T7771]  ? netlink_ack+0x1370/0x1370
[  605.518694][ T7771]  ? lock_sync+0x180/0x180
[  605.523135][ T7771]  ? netlink_deliver_tap+0x1a0/0xd00
[  605.528428][ T7771]  ? _copy_from_iter+0x2c1/0x10f0
[  605.533492][ T7771]  netlink_unicast+0x53b/0x810
[  605.538271][ T7771]  ? netlink_attachskb+0x870/0x870
[  605.543592][ T7771]  ? __phys_addr_symbol+0x30/0x70
[  605.548625][ T7771]  ? __check_object_size+0x322/0x730
[  605.553930][ T7771]  netlink_sendmsg+0x939/0xe40
[  605.558895][ T7771]  ? netlink_unicast+0x810/0x810
[  605.563939][ T7771]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  605.569511][ T7771]  ? netlink_unicast+0x810/0x810
[  605.574465][ T7771]  __sock_sendmsg+0xd5/0x180
[  605.579238][ T7771]  ____sys_sendmsg+0x6ac/0x940
[  605.584013][ T7771]  ? copy_msghdr_from_user+0x10b/0x160
[  605.589737][ T7771]  ? kernel_sendmsg+0x50/0x50
[  605.594428][ T7771]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  605.600603][ T7771]  ___sys_sendmsg+0x135/0x1d0
[  605.605714][ T7771]  ? do_recvmmsg+0x740/0x740
[  605.610486][ T7771]  ? find_held_lock+0x2d/0x110
[  605.615272][ T7771]  ? preempt_count_sub+0x150/0x150
[  605.620489][ T7771]  ? __fget_light+0x1fa/0x260
[  605.626063][ T7771]  __sys_sendmsg+0x117/0x1e0
[  605.630835][ T7771]  ? __sys_sendmsg_sock+0x30/0x30
[  605.635885][ T7771]  ? syscall_enter_from_user_mode+0x26/0x80
[  605.641796][ T7771]  do_syscall_64+0x3f/0x110
[  605.646398][ T7771]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  605.652473][ T7771] RIP: 0033:0x7fa730b27eb9
[  605.656899][ T7771] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  605.677260][ T7771] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  605.685678][ T7771] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  605.693738][ T7771] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  605.702061][ T7771] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  605.710029][ T7771] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  605.718093][ T7771] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  605.726091][ T7771]  </TASK>
[  605.746998][ T7771] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  605.775514][ T7771] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  605.784906][ T7771] CPU: 0 PID: 7771 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  605.796557][ T7771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  605.806720][ T7771] Call Trace:
[  605.810021][ T7771]  <TASK>
[  605.812966][ T7771]  dump_stack_lvl+0x125/0x1b0
[  605.817684][ T7771]  sysfs_warn_dup+0x7f/0xa0
[  605.822208][ T7771]  sysfs_create_dir_ns+0x247/0x2a0
[  605.827340][ T7771]  ? sysfs_create_mount_point+0xb0/0xb0
[  605.832918][ T7771]  ? spin_bug+0x1c0/0x1c0
[  605.837381][ T7771]  ? net_namespace+0x12/0x40
[  605.842014][ T7771]  ? device_namespace+0x8d/0xc0
[  605.847078][ T7771]  kobject_add_internal+0x2c8/0x960
[  605.852495][ T7771]  kobject_add+0x16f/0x240
[  605.857215][ T7771]  ? kset_create_and_add+0x190/0x190
[  605.862539][ T7771]  ? do_raw_spin_unlock+0x172/0x230
[  605.868209][ T7771]  ? kobject_put+0xbe/0x440
[  605.873295][ T7771]  ? device_add+0xc35/0x1aa0
[  605.878616][ T7771]  device_add+0x289/0x1aa0
[  605.883061][ T7771]  ? device_initialize+0x510/0x510
[  605.888369][ T7771]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  605.894415][ T7771]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  605.902087][ T7771]  ? __init_waitqueue_head+0xca/0x150
[  605.908296][ T7771]  netdev_register_kobject+0x183/0x3f0
[  605.915447][ T7771]  register_netdevice+0xbdf/0x14a0
[  605.920776][ T7771]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  605.928183][ T7771]  ? validate_linkmsg+0x6fc/0x9c0
[  605.933383][ T7771]  ? rtnl_create_link+0xa6d/0xfd0
[  605.938994][ T7771]  ? batadv_get_sset_count+0x40/0x40
[  605.944781][ T7771]  batadv_softif_newlink+0x70/0x90
[  605.950304][ T7771]  __rtnl_newlink+0x1173/0x1930
[  605.955201][ T7771]  ? rtnl_link_unregister+0x260/0x260
[  605.960705][ T7771]  rtnl_newlink+0x67/0xa0
[  605.965146][ T7771]  ? __rtnl_newlink+0x1930/0x1930
[  605.970297][ T7771]  rtnetlink_rcv_msg+0x3c7/0xe00
[  605.975388][ T7771]  ? rtnl_getlink+0xb40/0xb40
[  605.980296][ T7771]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  605.986501][ T7771]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  605.993482][ T7771]  ? __lock_acquire+0xc97/0x5dc0
[  605.998662][ T7771]  netlink_rcv_skb+0x16b/0x440
[  606.003785][ T7771]  ? rtnl_getlink+0xb40/0xb40
[  606.008691][ T7771]  ? netlink_ack+0x1370/0x1370
[  606.014213][ T7771]  ? lock_sync+0x180/0x180
[  606.018963][ T7771]  ? netlink_deliver_tap+0x1a0/0xd00
[  606.024918][ T7771]  ? _copy_from_iter+0x2c1/0x10f0
[  606.032248][ T7771]  netlink_unicast+0x53b/0x810
[  606.037926][ T7771]  ? netlink_attachskb+0x870/0x870
[  606.043504][ T7771]  ? __phys_addr_symbol+0x30/0x70
[  606.048767][ T7771]  ? __check_object_size+0x322/0x730
[  606.054257][ T7771]  netlink_sendmsg+0x939/0xe40
[  606.059257][ T7771]  ? netlink_unicast+0x810/0x810
[  606.064507][ T7771]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  606.069832][ T7771]  ? netlink_unicast+0x810/0x810
[  606.074901][ T7771]  __sock_sendmsg+0xd5/0x180
[  606.079731][ T7771]  ____sys_sendmsg+0x6ac/0x940
[  606.084615][ T7771]  ? copy_msghdr_from_user+0x10b/0x160
[  606.090102][ T7771]  ? kernel_sendmsg+0x50/0x50
[  606.094813][ T7771]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  606.101010][ T7771]  ___sys_sendmsg+0x135/0x1d0
[  606.105724][ T7771]  ? do_recvmmsg+0x740/0x740
[  606.110342][ T7771]  ? find_held_lock+0x2d/0x110
[  606.115151][ T7771]  ? preempt_count_sub+0x150/0x150
[  606.120317][ T7771]  ? __fget_light+0x1fa/0x260
[  606.125117][ T7771]  __sys_sendmsg+0x117/0x1e0
[  606.129915][ T7771]  ? __sys_sendmsg_sock+0x30/0x30
[  606.135170][ T7771]  ? syscall_enter_from_user_mode+0x26/0x80
[  606.141182][ T7771]  do_syscall_64+0x3f/0x110
[  606.145719][ T7771]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  606.151726][ T7771] RIP: 0033:0x7fa730b27eb9
[  606.156419][ T7771] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  606.177802][ T7771] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  606.186518][ T7771] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  606.194530][ T7771] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  606.202615][ T7771] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  606.211055][ T7771] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  606.219609][ T7771] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  606.227739][ T7771]  </TASK>
[  606.236796][ T7771] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  606.373433][ T7772] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  606.387371][ T7772] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  606.396860][ T7772] CPU: 1 PID: 7772 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  606.408359][ T7772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  606.419493][ T7772] Call Trace:
[  606.422983][ T7772]  <TASK>
[  606.426112][ T7772]  dump_stack_lvl+0x125/0x1b0
[  606.430947][ T7772]  sysfs_warn_dup+0x7f/0xa0
[  606.435497][ T7772]  sysfs_create_dir_ns+0x247/0x2a0
[  606.440719][ T7772]  ? sysfs_create_mount_point+0xb0/0xb0
[  606.446296][ T7772]  ? spin_bug+0x1c0/0x1c0
[  606.450665][ T7772]  ? net_namespace+0x12/0x40
[  606.455369][ T7772]  ? device_namespace+0x8d/0xc0
[  606.460453][ T7772]  kobject_add_internal+0x2c8/0x960
[  606.465701][ T7772]  kobject_add+0x16f/0x240
[  606.470153][ T7772]  ? kset_create_and_add+0x190/0x190
[  606.475742][ T7772]  ? do_raw_spin_unlock+0x172/0x230
[  606.480987][ T7772]  ? kobject_put+0xbe/0x440
[  606.486318][ T7772]  ? device_add+0xc35/0x1aa0
[  606.491049][ T7772]  device_add+0x289/0x1aa0
[  606.495501][ T7772]  ? device_initialize+0x510/0x510
[  606.500631][ T7772]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  606.506465][ T7772]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  606.513451][ T7772]  ? __init_waitqueue_head+0xca/0x150
[  606.518861][ T7772]  netdev_register_kobject+0x183/0x3f0
[  606.524369][ T7772]  register_netdevice+0xbdf/0x14a0
[  606.529708][ T7772]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  606.535665][ T7772]  ? team_nl_cmd_noop+0x280/0x280
[  606.540823][ T7772]  team_newlink+0x92/0x160
[  606.545286][ T7772]  ? team_nl_cmd_noop+0x280/0x280
[  606.550706][ T7772]  ? rtnl_create_link+0xa6d/0xfd0
[  606.555776][ T7772]  __rtnl_newlink+0x1173/0x1930
[  606.560673][ T7772]  ? rtnl_link_unregister+0x260/0x260
[  606.566129][ T7772]  rtnl_newlink+0x67/0xa0
[  606.571016][ T7772]  ? __rtnl_newlink+0x1930/0x1930
[  606.576083][ T7772]  rtnetlink_rcv_msg+0x3c7/0xe00
[  606.581322][ T7772]  ? rtnl_getlink+0xb40/0xb40
[  606.586134][ T7772]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  606.592158][ T7772]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  606.598184][ T7772]  ? __lock_acquire+0xc97/0x5dc0
[  606.603193][ T7772]  netlink_rcv_skb+0x16b/0x440
[  606.608012][ T7772]  ? rtnl_getlink+0xb40/0xb40
[  606.612726][ T7772]  ? netlink_ack+0x1370/0x1370
[  606.617541][ T7772]  ? lock_sync+0x180/0x180
[  606.622011][ T7772]  ? netlink_deliver_tap+0x1a0/0xd00
[  606.627324][ T7772]  ? _copy_from_iter+0x2c1/0x10f0
[  606.632670][ T7772]  netlink_unicast+0x53b/0x810
[  606.637649][ T7772]  ? netlink_attachskb+0x870/0x870
[  606.642969][ T7772]  ? __phys_addr_symbol+0x30/0x70
[  606.649429][ T7772]  ? __check_object_size+0x322/0x730
[  606.654938][ T7772]  netlink_sendmsg+0x939/0xe40
[  606.659765][ T7772]  ? netlink_unicast+0x810/0x810
[  606.664924][ T7772]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  606.670496][ T7772]  ? netlink_unicast+0x810/0x810
[  606.675494][ T7772]  __sock_sendmsg+0xd5/0x180
[  606.680143][ T7772]  ____sys_sendmsg+0x6ac/0x940
[  606.685117][ T7772]  ? copy_msghdr_from_user+0x10b/0x160
[  606.690614][ T7772]  ? kernel_sendmsg+0x50/0x50
[  606.695499][ T7772]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  606.701530][ T7772]  ___sys_sendmsg+0x135/0x1d0
[  606.706339][ T7772]  ? do_recvmmsg+0x740/0x740
[  606.711215][ T7772]  ? find_held_lock+0x2d/0x110
[  606.716375][ T7772]  ? preempt_count_sub+0x150/0x150
[  606.721536][ T7772]  ? __fget_light+0x1fa/0x260
[  606.726348][ T7772]  __sys_sendmsg+0x117/0x1e0
[  606.731317][ T7772]  ? __sys_sendmsg_sock+0x30/0x30
[  606.736392][ T7772]  ? syscall_enter_from_user_mode+0x26/0x80
[  606.742318][ T7772]  do_syscall_64+0x3f/0x110
[  606.747036][ T7772]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  606.753130][ T7772] RIP: 0033:0x7fa730b27eb9
[  606.757563][ T7772] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  606.777470][ T7772] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  606.786181][ T7772] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  606.794180][ T7772] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  606.802299][ T7772] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  606.810378][ T7772] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  606.818375][ T7772] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  606.826490][ T7772]  </TASK>
[  606.831678][ T7772] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  606.874180][ T7772] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  606.883803][ T7772] CPU: 1 PID: 7772 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  606.895306][ T7772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  606.905567][ T7772] Call Trace:
[  606.908865][ T7772]  <TASK>
[  606.911817][ T7772]  dump_stack_lvl+0x125/0x1b0
[  606.916711][ T7772]  sysfs_warn_dup+0x7f/0xa0
[  606.921605][ T7772]  sysfs_create_dir_ns+0x247/0x2a0
[  606.926861][ T7772]  ? sysfs_create_mount_point+0xb0/0xb0
[  606.933145][ T7772]  ? spin_bug+0x1c0/0x1c0
[  606.937648][ T7772]  ? net_namespace+0x12/0x40
[  606.942347][ T7772]  ? device_namespace+0x8d/0xc0
[  606.947505][ T7772]  kobject_add_internal+0x2c8/0x960
[  606.952839][ T7772]  kobject_add+0x16f/0x240
[  606.957376][ T7772]  ? kset_create_and_add+0x190/0x190
[  606.962714][ T7772]  ? do_raw_spin_unlock+0x172/0x230
[  606.967972][ T7772]  ? kobject_put+0xbe/0x440
[  606.972616][ T7772]  ? device_add+0xc35/0x1aa0
[  606.977342][ T7772]  device_add+0x289/0x1aa0
[  606.981966][ T7772]  ? device_initialize+0x510/0x510
[  606.987195][ T7772]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  606.993211][ T7772]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  607.000381][ T7772]  ? __init_waitqueue_head+0xca/0x150
[  607.005900][ T7772]  netdev_register_kobject+0x183/0x3f0
[  607.011422][ T7772]  register_netdevice+0xbdf/0x14a0
[  607.016686][ T7772]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  607.022950][ T7772]  ? validate_linkmsg+0x6fc/0x9c0
[  607.028031][ T7772]  ? rtnl_create_link+0xa6d/0xfd0
[  607.033361][ T7772]  ? batadv_get_sset_count+0x40/0x40
[  607.038964][ T7772]  batadv_softif_newlink+0x70/0x90
[  607.044322][ T7772]  __rtnl_newlink+0x1173/0x1930
[  607.049339][ T7772]  ? rtnl_link_unregister+0x260/0x260
[  607.054792][ T7772]  rtnl_newlink+0x67/0xa0
[  607.059159][ T7772]  ? __rtnl_newlink+0x1930/0x1930
[  607.064214][ T7772]  rtnetlink_rcv_msg+0x3c7/0xe00
[  607.069289][ T7772]  ? rtnl_getlink+0xb40/0xb40
[  607.074000][ T7772]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  607.080143][ T7772]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  607.086415][ T7772]  ? __lock_acquire+0xc97/0x5dc0
[  607.091501][ T7772]  netlink_rcv_skb+0x16b/0x440
[  607.096323][ T7772]  ? rtnl_getlink+0xb40/0xb40
[  607.101040][ T7772]  ? netlink_ack+0x1370/0x1370
[  607.105856][ T7772]  ? lock_sync+0x180/0x180
[  607.110339][ T7772]  ? netlink_deliver_tap+0x1a0/0xd00
[  607.115678][ T7772]  ? _copy_from_iter+0x2c1/0x10f0
[  607.120769][ T7772]  netlink_unicast+0x53b/0x810
[  607.125590][ T7772]  ? netlink_attachskb+0x870/0x870
[  607.131020][ T7772]  ? __phys_addr_symbol+0x30/0x70
[  607.136094][ T7772]  ? __check_object_size+0x322/0x730
[  607.141418][ T7772]  netlink_sendmsg+0x939/0xe40
[  607.146409][ T7772]  ? netlink_unicast+0x810/0x810
[  607.151420][ T7772]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  607.156833][ T7772]  ? netlink_unicast+0x810/0x810
[  607.161914][ T7772]  __sock_sendmsg+0xd5/0x180
[  607.166627][ T7772]  ____sys_sendmsg+0x6ac/0x940
[  607.171422][ T7772]  ? copy_msghdr_from_user+0x10b/0x160
[  607.176911][ T7772]  ? kernel_sendmsg+0x50/0x50
[  607.182030][ T7772]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  607.188156][ T7772]  ___sys_sendmsg+0x135/0x1d0
[  607.192869][ T7772]  ? do_recvmmsg+0x740/0x740
[  607.197487][ T7772]  ? find_held_lock+0x2d/0x110
[  607.202310][ T7772]  ? preempt_count_sub+0x150/0x150
[  607.207485][ T7772]  ? __fget_light+0x1fa/0x260
[  607.212220][ T7772]  __sys_sendmsg+0x117/0x1e0
[  607.216935][ T7772]  ? __sys_sendmsg_sock+0x30/0x30
[  607.222113][ T7772]  ? syscall_enter_from_user_mode+0x26/0x80
[  607.228040][ T7772]  do_syscall_64+0x3f/0x110
[  607.232581][ T7772]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  607.238509][ T7772] RIP: 0033:0x7fa730b27eb9
[  607.242953][ T7772] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  607.263028][ T7772] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  607.271750][ T7772] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  607.279746][ T7772] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  607.287923][ T7772] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  607.295991][ T7772] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  607.303988][ T7772] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  607.311999][ T7772]  </TASK>
[  607.317439][ T7772] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  607.375249][ T7773] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  607.389935][ T7773] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  607.399656][ T7773] CPU: 0 PID: 7773 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  607.411148][ T7773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  607.422356][ T7773] Call Trace:
[  607.425742][ T7773]  <TASK>
[  607.428696][ T7773]  dump_stack_lvl+0x125/0x1b0
[  607.433495][ T7773]  sysfs_warn_dup+0x7f/0xa0
[  607.438731][ T7773]  sysfs_create_dir_ns+0x247/0x2a0
[  607.444227][ T7773]  ? sysfs_create_mount_point+0xb0/0xb0
[  607.449907][ T7773]  ? spin_bug+0x1c0/0x1c0
[  607.454312][ T7773]  ? net_namespace+0x12/0x40
[  607.459028][ T7773]  ? device_namespace+0x8d/0xc0
[  607.464709][ T7773]  kobject_add_internal+0x2c8/0x960
[  607.469959][ T7773]  kobject_add+0x16f/0x240
[  607.474412][ T7773]  ? kset_create_and_add+0x190/0x190
[  607.479744][ T7773]  ? do_raw_spin_unlock+0x172/0x230
[  607.485168][ T7773]  ? kobject_put+0xbe/0x440
[  607.489737][ T7773]  ? device_add+0xc35/0x1aa0
[  607.496594][ T7773]  device_add+0x289/0x1aa0
[  607.501146][ T7773]  ? device_initialize+0x510/0x510
[  607.506640][ T7773]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  607.512572][ T7773]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  607.519890][ T7773]  ? __init_waitqueue_head+0xca/0x150
[  607.525301][ T7773]  netdev_register_kobject+0x183/0x3f0
[  607.531059][ T7773]  register_netdevice+0xbdf/0x14a0
[  607.536580][ T7773]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  607.542530][ T7773]  ? team_nl_cmd_noop+0x280/0x280
[  607.547591][ T7773]  team_newlink+0x92/0x160
[  607.552128][ T7773]  ? team_nl_cmd_noop+0x280/0x280
[  607.557186][ T7773]  ? rtnl_create_link+0xa6d/0xfd0
[  607.562616][ T7773]  __rtnl_newlink+0x1173/0x1930
[  607.567507][ T7773]  ? rtnl_link_unregister+0x260/0x260
[  607.573472][ T7773]  rtnl_newlink+0x67/0xa0
[  607.578029][ T7773]  ? __rtnl_newlink+0x1930/0x1930
[  607.583189][ T7773]  rtnetlink_rcv_msg+0x3c7/0xe00
[  607.588342][ T7773]  ? rtnl_getlink+0xb40/0xb40
[  607.593141][ T7773]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  607.599158][ T7773]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  607.605280][ T7773]  ? __lock_acquire+0xc97/0x5dc0
[  607.610267][ T7773]  netlink_rcv_skb+0x16b/0x440
[  607.615080][ T7773]  ? rtnl_getlink+0xb40/0xb40
[  607.620046][ T7773]  ? netlink_ack+0x1370/0x1370
[  607.624852][ T7773]  ? lock_sync+0x180/0x180
[  607.629447][ T7773]  ? netlink_deliver_tap+0x1a0/0xd00
[  607.634856][ T7773]  ? _copy_from_iter+0x2c1/0x10f0
[  607.640105][ T7773]  netlink_unicast+0x53b/0x810
[  607.645088][ T7773]  ? netlink_attachskb+0x870/0x870
[  607.650320][ T7773]  ? __phys_addr_symbol+0x30/0x70
[  607.655398][ T7773]  ? __check_object_size+0x322/0x730
[  607.660796][ T7773]  netlink_sendmsg+0x939/0xe40
[  607.665870][ T7773]  ? netlink_unicast+0x810/0x810
[  607.671043][ T7773]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  607.676637][ T7773]  ? netlink_unicast+0x810/0x810
[  607.681893][ T7773]  __sock_sendmsg+0xd5/0x180
[  607.686706][ T7773]  ____sys_sendmsg+0x6ac/0x940
[  607.691847][ T7773]  ? copy_msghdr_from_user+0x10b/0x160
[  607.697624][ T7773]  ? kernel_sendmsg+0x50/0x50
[  607.702448][ T7773]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  607.708780][ T7773]  ___sys_sendmsg+0x135/0x1d0
[  607.713676][ T7773]  ? do_recvmmsg+0x740/0x740
[  607.718304][ T7773]  ? find_held_lock+0x2d/0x110
[  607.723411][ T7773]  ? preempt_count_sub+0x150/0x150
[  607.728654][ T7773]  ? __fget_light+0x1fa/0x260
[  607.733368][ T7773]  __sys_sendmsg+0x117/0x1e0
[  607.738258][ T7773]  ? __sys_sendmsg_sock+0x30/0x30
[  607.743644][ T7773]  ? syscall_enter_from_user_mode+0x26/0x80
[  607.749589][ T7773]  do_syscall_64+0x3f/0x110
[  607.754141][ T7773]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  607.760156][ T7773] RIP: 0033:0x7fa730b27eb9
[  607.765393][ T7773] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  607.788712][ T7773] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  607.797698][ T7773] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  607.805963][ T7773] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  607.814050][ T7773] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  607.822154][ T7773] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  607.830432][ T7773] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  607.838553][ T7773]  </TASK>
[  607.850403][ T7773] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  607.897389][ T7773] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  607.907546][ T7773] CPU: 0 PID: 7773 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  607.920793][ T7773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  607.931333][ T7773] Call Trace:
[  607.934640][ T7773]  <TASK>
[  607.937591][ T7773]  dump_stack_lvl+0x125/0x1b0
[  607.942587][ T7773]  sysfs_warn_dup+0x7f/0xa0
[  607.947175][ T7773]  sysfs_create_dir_ns+0x247/0x2a0
[  607.952372][ T7773]  ? sysfs_create_mount_point+0xb0/0xb0
[  607.958305][ T7773]  ? spin_bug+0x1c0/0x1c0
[  607.962675][ T7773]  ? net_namespace+0x12/0x40
[  607.967466][ T7773]  ? device_namespace+0x8d/0xc0
[  607.972647][ T7773]  kobject_add_internal+0x2c8/0x960
[  607.978442][ T7773]  kobject_add+0x16f/0x240
[  607.982914][ T7773]  ? kset_create_and_add+0x190/0x190
[  607.988303][ T7773]  ? do_raw_spin_unlock+0x172/0x230
[  607.993851][ T7773]  ? kobject_put+0xbe/0x440
[  607.998866][ T7773]  ? device_add+0xc35/0x1aa0
[  608.005012][ T7773]  device_add+0x289/0x1aa0
[  608.009845][ T7773]  ? device_initialize+0x510/0x510
[  608.015875][ T7773]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  608.022168][ T7773]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  608.029490][ T7773]  ? __init_waitqueue_head+0xca/0x150
[  608.035622][ T7773]  netdev_register_kobject+0x183/0x3f0
[  608.041467][ T7773]  register_netdevice+0xbdf/0x14a0
[  608.046641][ T7773]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  608.053204][ T7773]  ? validate_linkmsg+0x6fc/0x9c0
[  608.058281][ T7773]  ? rtnl_create_link+0xa6d/0xfd0
[  608.063798][ T7773]  ? batadv_get_sset_count+0x40/0x40
[  608.069276][ T7773]  batadv_softif_newlink+0x70/0x90
[  608.075413][ T7773]  __rtnl_newlink+0x1173/0x1930
[  608.080854][ T7773]  ? rtnl_link_unregister+0x260/0x260
[  608.086716][ T7773]  rtnl_newlink+0x67/0xa0
[  608.091201][ T7773]  ? __rtnl_newlink+0x1930/0x1930
[  608.096253][ T7773]  rtnetlink_rcv_msg+0x3c7/0xe00
[  608.101306][ T7773]  ? rtnl_getlink+0xb40/0xb40
[  608.106378][ T7773]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  608.112381][ T7773]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  608.118381][ T7773]  ? __lock_acquire+0xc97/0x5dc0
[  608.123433][ T7773]  netlink_rcv_skb+0x16b/0x440
[  608.128688][ T7773]  ? rtnl_getlink+0xb40/0xb40
[  608.133866][ T7773]  ? netlink_ack+0x1370/0x1370
[  608.139114][ T7773]  ? lock_sync+0x180/0x180
[  608.145081][ T7773]  ? netlink_deliver_tap+0x1a0/0xd00
[  608.150490][ T7773]  ? _copy_from_iter+0x2c1/0x10f0
[  608.155640][ T7773]  netlink_unicast+0x53b/0x810
[  608.160553][ T7773]  ? netlink_attachskb+0x870/0x870
[  608.165699][ T7773]  ? __phys_addr_symbol+0x30/0x70
[  608.170910][ T7773]  ? __check_object_size+0x322/0x730
[  608.176279][ T7773]  netlink_sendmsg+0x939/0xe40
[  608.181255][ T7773]  ? netlink_unicast+0x810/0x810
[  608.186910][ T7773]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  608.192322][ T7773]  ? netlink_unicast+0x810/0x810
[  608.197348][ T7773]  __sock_sendmsg+0xd5/0x180
[  608.202056][ T7773]  ____sys_sendmsg+0x6ac/0x940
[  608.207189][ T7773]  ? copy_msghdr_from_user+0x10b/0x160
[  608.213850][ T7773]  ? kernel_sendmsg+0x50/0x50
[  608.218733][ T7773]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  608.225355][ T7773]  ___sys_sendmsg+0x135/0x1d0
[  608.230316][ T7773]  ? do_recvmmsg+0x740/0x740
[  608.235719][ T7773]  ? find_held_lock+0x2d/0x110
[  608.240526][ T7773]  ? preempt_count_sub+0x150/0x150
[  608.245761][ T7773]  ? __fget_light+0x1fa/0x260
[  608.250740][ T7773]  __sys_sendmsg+0x117/0x1e0
[  608.256524][ T7773]  ? __sys_sendmsg_sock+0x30/0x30
[  608.261754][ T7773]  ? syscall_enter_from_user_mode+0x26/0x80
[  608.268688][ T7773]  do_syscall_64+0x3f/0x110
[  608.274202][ T7773]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  608.280493][ T7773] RIP: 0033:0x7fa730b27eb9
[  608.285738][ T7773] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  608.307233][ T7773] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  608.315935][ T7773] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  608.324179][ T7773] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  608.332608][ T7773] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  608.340937][ T7773] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  608.349030][ T7773] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  608.357194][ T7773]  </TASK>
[  608.366625][ T7773] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  608.442282][ T7774] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  608.454443][ T7774] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  608.464354][ T7774] CPU: 1 PID: 7774 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  608.475835][ T7774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  608.486157][ T7774] Call Trace:
[  608.489477][ T7774]  <TASK>
[  608.492520][ T7774]  dump_stack_lvl+0x125/0x1b0
[  608.497227][ T7774]  sysfs_warn_dup+0x7f/0xa0
[  608.502093][ T7774]  sysfs_create_dir_ns+0x247/0x2a0
[  608.507304][ T7774]  ? sysfs_create_mount_point+0xb0/0xb0
[  608.513143][ T7774]  ? spin_bug+0x1c0/0x1c0
[  608.517840][ T7774]  ? net_namespace+0x12/0x40
[  608.522530][ T7774]  ? device_namespace+0x8d/0xc0
[  608.528185][ T7774]  kobject_add_internal+0x2c8/0x960
[  608.533581][ T7774]  kobject_add+0x16f/0x240
[  608.538130][ T7774]  ? kset_create_and_add+0x190/0x190
[  608.543431][ T7774]  ? do_raw_spin_unlock+0x172/0x230
[  608.548905][ T7774]  ? kobject_put+0xbe/0x440
[  608.553432][ T7774]  ? device_add+0xc35/0x1aa0
[  608.558035][ T7774]  device_add+0x289/0x1aa0
[  608.562719][ T7774]  ? device_initialize+0x510/0x510
[  608.568007][ T7774]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  608.573966][ T7774]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  608.580915][ T7774]  ? __init_waitqueue_head+0xca/0x150
[  608.586308][ T7774]  netdev_register_kobject+0x183/0x3f0
[  608.591965][ T7774]  register_netdevice+0xbdf/0x14a0
[  608.597183][ T7774]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  608.603167][ T7774]  ? team_nl_cmd_noop+0x280/0x280
[  608.608407][ T7774]  team_newlink+0x92/0x160
[  608.612980][ T7774]  ? team_nl_cmd_noop+0x280/0x280
[  608.618106][ T7774]  ? rtnl_create_link+0xa6d/0xfd0
[  608.623163][ T7774]  __rtnl_newlink+0x1173/0x1930
[  608.628296][ T7774]  ? rtnl_link_unregister+0x260/0x260
[  608.634257][ T7774]  rtnl_newlink+0x67/0xa0
[  608.638783][ T7774]  ? __rtnl_newlink+0x1930/0x1930
[  608.643818][ T7774]  rtnetlink_rcv_msg+0x3c7/0xe00
[  608.648768][ T7774]  ? rtnl_getlink+0xb40/0xb40
[  608.653537][ T7774]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  608.659622][ T7774]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  608.665820][ T7774]  ? __lock_acquire+0xc97/0x5dc0
[  608.670816][ T7774]  netlink_rcv_skb+0x16b/0x440
[  608.675595][ T7774]  ? rtnl_getlink+0xb40/0xb40
[  608.680281][ T7774]  ? netlink_ack+0x1370/0x1370
[  608.685051][ T7774]  ? lock_sync+0x180/0x180
[  608.689581][ T7774]  ? netlink_deliver_tap+0x1a0/0xd00
[  608.695020][ T7774]  ? _copy_from_iter+0x2c1/0x10f0
[  608.700065][ T7774]  netlink_unicast+0x53b/0x810
[  608.704936][ T7774]  ? netlink_attachskb+0x870/0x870
[  608.710056][ T7774]  ? __phys_addr_symbol+0x30/0x70
[  608.715177][ T7774]  ? __check_object_size+0x322/0x730
[  608.720473][ T7774]  netlink_sendmsg+0x939/0xe40
[  608.725257][ T7774]  ? netlink_unicast+0x810/0x810
[  608.730218][ T7774]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  608.735802][ T7774]  ? netlink_unicast+0x810/0x810
[  608.740847][ T7774]  __sock_sendmsg+0xd5/0x180
[  608.745712][ T7774]  ____sys_sendmsg+0x6ac/0x940
[  608.750483][ T7774]  ? copy_msghdr_from_user+0x10b/0x160
[  608.755952][ T7774]  ? kernel_sendmsg+0x50/0x50
[  608.760910][ T7774]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  608.766996][ T7774]  ___sys_sendmsg+0x135/0x1d0
[  608.771771][ T7774]  ? do_recvmmsg+0x740/0x740
[  608.776540][ T7774]  ? find_held_lock+0x2d/0x110
[  608.781336][ T7774]  ? preempt_count_sub+0x150/0x150
[  608.786468][ T7774]  ? __fget_light+0x1fa/0x260
[  608.791164][ T7774]  __sys_sendmsg+0x117/0x1e0
[  608.795855][ T7774]  ? __sys_sendmsg_sock+0x30/0x30
[  608.800903][ T7774]  ? syscall_enter_from_user_mode+0x26/0x80
[  608.807069][ T7774]  do_syscall_64+0x3f/0x110
[  608.811673][ T7774]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  608.817574][ T7774] RIP: 0033:0x7fa730b27eb9
[  608.822254][ T7774] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  608.842571][ T7774] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  608.851259][ T7774] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  608.859413][ T7774] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  608.867658][ T7774] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  608.876259][ T7774] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  608.884250][ T7774] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  608.892243][ T7774]  </TASK>
[  608.909263][ T7774] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  608.938864][ T7774] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  608.948622][ T7774] CPU: 1 PID: 7774 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  608.960018][ T7774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  608.970619][ T7774] Call Trace:
[  608.974036][ T7774]  <TASK>
[  608.977069][ T7774]  dump_stack_lvl+0x125/0x1b0
[  608.982307][ T7774]  sysfs_warn_dup+0x7f/0xa0
[  608.987009][ T7774]  sysfs_create_dir_ns+0x247/0x2a0
[  608.992148][ T7774]  ? sysfs_create_mount_point+0xb0/0xb0
[  608.997978][ T7774]  ? spin_bug+0x1c0/0x1c0
[  609.002438][ T7774]  ? net_namespace+0x12/0x40
[  609.007338][ T7774]  ? device_namespace+0x8d/0xc0
[  609.012413][ T7774]  kobject_add_internal+0x2c8/0x960
[  609.017746][ T7774]  kobject_add+0x16f/0x240
[  609.022370][ T7774]  ? kset_create_and_add+0x190/0x190
[  609.027694][ T7774]  ? do_raw_spin_unlock+0x172/0x230
[  609.033041][ T7774]  ? kobject_put+0xbe/0x440
[  609.037665][ T7774]  ? device_add+0xc35/0x1aa0
[  609.042293][ T7774]  device_add+0x289/0x1aa0
[  609.046736][ T7774]  ? device_initialize+0x510/0x510
[  609.052248][ T7774]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  609.058205][ T7774]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  609.065365][ T7774]  ? __init_waitqueue_head+0xca/0x150
[  609.071051][ T7774]  netdev_register_kobject+0x183/0x3f0
[  609.076725][ T7774]  register_netdevice+0xbdf/0x14a0
[  609.081894][ T7774]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  609.088429][ T7774]  ? validate_linkmsg+0x6fc/0x9c0
[  609.093489][ T7774]  ? rtnl_create_link+0xa6d/0xfd0
[  609.098808][ T7774]  ? batadv_get_sset_count+0x40/0x40
[  609.104646][ T7774]  batadv_softif_newlink+0x70/0x90
[  609.109891][ T7774]  __rtnl_newlink+0x1173/0x1930
[  609.115135][ T7774]  ? rtnl_link_unregister+0x260/0x260
[  609.120598][ T7774]  rtnl_newlink+0x67/0xa0
[  609.124955][ T7774]  ? __rtnl_newlink+0x1930/0x1930
[  609.130010][ T7774]  rtnetlink_rcv_msg+0x3c7/0xe00
[  609.135100][ T7774]  ? rtnl_getlink+0xb40/0xb40
[  609.140147][ T7774]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  609.146320][ T7774]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  609.152680][ T7774]  ? __lock_acquire+0xc97/0x5dc0
[  609.157667][ T7774]  netlink_rcv_skb+0x16b/0x440
[  609.162646][ T7774]  ? rtnl_getlink+0xb40/0xb40
[  609.167693][ T7774]  ? netlink_ack+0x1370/0x1370
[  609.172571][ T7774]  ? lock_sync+0x180/0x180
[  609.177713][ T7774]  ? netlink_deliver_tap+0x1a0/0xd00
[  609.183205][ T7774]  ? _copy_from_iter+0x2c1/0x10f0
[  609.188525][ T7774]  netlink_unicast+0x53b/0x810
[  609.193415][ T7774]  ? netlink_attachskb+0x870/0x870
[  609.198738][ T7774]  ? __phys_addr_symbol+0x30/0x70
[  609.203918][ T7774]  ? __check_object_size+0x322/0x730
[  609.209749][ T7774]  netlink_sendmsg+0x939/0xe40
[  609.214730][ T7774]  ? netlink_unicast+0x810/0x810
[  609.219813][ T7774]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  609.225164][ T7774]  ? netlink_unicast+0x810/0x810
[  609.230418][ T7774]  __sock_sendmsg+0xd5/0x180
[  609.235231][ T7774]  ____sys_sendmsg+0x6ac/0x940
[  609.240159][ T7774]  ? copy_msghdr_from_user+0x10b/0x160
[  609.245912][ T7774]  ? kernel_sendmsg+0x50/0x50
[  609.250640][ T7774]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  609.256671][ T7774]  ___sys_sendmsg+0x135/0x1d0
[  609.261470][ T7774]  ? do_recvmmsg+0x740/0x740
[  609.266170][ T7774]  ? find_held_lock+0x2d/0x110
[  609.271498][ T7774]  ? preempt_count_sub+0x150/0x150
[  609.276737][ T7774]  ? __fget_light+0x1fa/0x260
[  609.281536][ T7774]  __sys_sendmsg+0x117/0x1e0
[  609.286371][ T7774]  ? __sys_sendmsg_sock+0x30/0x30
[  609.291556][ T7774]  ? syscall_enter_from_user_mode+0x26/0x80
[  609.297589][ T7774]  do_syscall_64+0x3f/0x110
[  609.302223][ T7774]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  609.308329][ T7774] RIP: 0033:0x7fa730b27eb9
[  609.313036][ T7774] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  609.332759][ T7774] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  609.341620][ T7774] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  609.349683][ T7774] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  609.357661][ T7774] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  609.365749][ T7774] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  609.373896][ T7774] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  609.382338][ T7774]  </TASK>
[  609.403533][ T7774] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  609.459922][ T7775] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  609.479496][ T7775] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  609.490035][ T7775] CPU: 0 PID: 7775 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  609.502090][ T7775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  609.513408][ T7775] Call Trace:
[  609.517425][ T7775]  <TASK>
[  609.521641][ T7775]  dump_stack_lvl+0x125/0x1b0
[  609.527199][ T7775]  sysfs_warn_dup+0x7f/0xa0
[  609.532220][ T7775]  sysfs_create_dir_ns+0x247/0x2a0
[  609.538280][ T7775]  ? sysfs_create_mount_point+0xb0/0xb0
[  609.544403][ T7775]  ? spin_bug+0x1c0/0x1c0
[  609.548843][ T7775]  ? net_namespace+0x12/0x40
[  609.553752][ T7775]  ? device_namespace+0x8d/0xc0
[  609.558668][ T7775]  kobject_add_internal+0x2c8/0x960
[  609.564004][ T7775]  kobject_add+0x16f/0x240
[  609.568537][ T7775]  ? kset_create_and_add+0x190/0x190
[  609.573930][ T7775]  ? do_raw_spin_unlock+0x172/0x230
[  609.579157][ T7775]  ? kobject_put+0xbe/0x440
[  609.584041][ T7775]  ? device_add+0xc35/0x1aa0
[  609.588742][ T7775]  device_add+0x289/0x1aa0
[  609.593649][ T7775]  ? device_initialize+0x510/0x510
[  609.599085][ T7775]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  609.605307][ T7775]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  609.612239][ T7775]  ? __init_waitqueue_head+0xca/0x150
[  609.617830][ T7775]  netdev_register_kobject+0x183/0x3f0
[  609.623318][ T7775]  register_netdevice+0xbdf/0x14a0
[  609.628447][ T7775]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  609.634445][ T7775]  ? team_nl_cmd_noop+0x280/0x280
[  609.639570][ T7775]  team_newlink+0x92/0x160
[  609.644088][ T7775]  ? team_nl_cmd_noop+0x280/0x280
[  609.649390][ T7775]  ? rtnl_create_link+0xa6d/0xfd0
[  609.654524][ T7775]  __rtnl_newlink+0x1173/0x1930
[  609.659768][ T7775]  ? rtnl_link_unregister+0x260/0x260
[  609.665544][ T7775]  rtnl_newlink+0x67/0xa0
[  609.670217][ T7775]  ? __rtnl_newlink+0x1930/0x1930
[  609.675424][ T7775]  rtnetlink_rcv_msg+0x3c7/0xe00
[  609.680512][ T7775]  ? rtnl_getlink+0xb40/0xb40
[  609.685218][ T7775]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  609.691226][ T7775]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  609.697328][ T7775]  ? __lock_acquire+0xc97/0x5dc0
[  609.702306][ T7775]  netlink_rcv_skb+0x16b/0x440
[  609.707137][ T7775]  ? rtnl_getlink+0xb40/0xb40
[  609.711929][ T7775]  ? netlink_ack+0x1370/0x1370
[  609.717743][ T7775]  ? lock_sync+0x180/0x180
[  609.722231][ T7775]  ? netlink_deliver_tap+0x1a0/0xd00
[  609.728023][ T7775]  ? _copy_from_iter+0x2c1/0x10f0
[  609.733948][ T7775]  netlink_unicast+0x53b/0x810
[  609.738793][ T7775]  ? netlink_attachskb+0x870/0x870
[  609.744119][ T7775]  ? __phys_addr_symbol+0x30/0x70
[  609.749638][ T7775]  ? __check_object_size+0x322/0x730
[  609.755348][ T7775]  netlink_sendmsg+0x939/0xe40
[  609.760884][ T7775]  ? netlink_unicast+0x810/0x810
[  609.766821][ T7775]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  609.772763][ T7775]  ? netlink_unicast+0x810/0x810
[  609.778096][ T7775]  __sock_sendmsg+0xd5/0x180
[  609.782855][ T7775]  ____sys_sendmsg+0x6ac/0x940
[  609.787824][ T7775]  ? copy_msghdr_from_user+0x10b/0x160
[  609.794378][ T7775]  ? kernel_sendmsg+0x50/0x50
[  609.799822][ T7775]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  609.806636][ T7775]  ___sys_sendmsg+0x135/0x1d0
[  609.811952][ T7775]  ? do_recvmmsg+0x740/0x740
[  609.817282][ T7775]  ? find_held_lock+0x2d/0x110
[  609.822279][ T7775]  ? preempt_count_sub+0x150/0x150
[  609.828336][ T7775]  ? __fget_light+0x1fa/0x260
[  609.833224][ T7775]  __sys_sendmsg+0x117/0x1e0
[  609.837972][ T7775]  ? __sys_sendmsg_sock+0x30/0x30
[  609.843375][ T7775]  ? syscall_enter_from_user_mode+0x26/0x80
[  609.850109][ T7775]  do_syscall_64+0x3f/0x110
[  609.854682][ T7775]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  609.860906][ T7775] RIP: 0033:0x7fa730b27eb9
[  609.865648][ T7775] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  609.885741][ T7775] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  609.894704][ T7775] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  609.904836][ T7775] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  609.916242][ T7775] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  609.924974][ T7775] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  609.935101][ T7775] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  609.945752][ T7775]  </TASK>
[  609.965282][ T7775] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  610.007289][ T7775] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  610.018787][ T7775] CPU: 0 PID: 7775 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  610.031130][ T7775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  610.041803][ T7775] Call Trace:
[  610.045118][ T7775]  <TASK>
[  610.048446][ T7775]  dump_stack_lvl+0x125/0x1b0
[  610.053558][ T7775]  sysfs_warn_dup+0x7f/0xa0
[  610.058223][ T7775]  sysfs_create_dir_ns+0x247/0x2a0
[  610.066340][ T7775]  ? sysfs_create_mount_point+0xb0/0xb0
[  610.072735][ T7775]  ? spin_bug+0x1c0/0x1c0
[  610.077315][ T7775]  ? net_namespace+0x12/0x40
[  610.083368][ T7775]  ? device_namespace+0x8d/0xc0
[  610.088514][ T7775]  kobject_add_internal+0x2c8/0x960
[  610.093786][ T7775]  kobject_add+0x16f/0x240
[  610.098260][ T7775]  ? kset_create_and_add+0x190/0x190
[  610.103956][ T7775]  ? do_raw_spin_unlock+0x172/0x230
[  610.109663][ T7775]  ? kobject_put+0xbe/0x440
[  610.114844][ T7775]  ? device_add+0xc35/0x1aa0
[  610.119581][ T7775]  device_add+0x289/0x1aa0
[  610.124929][ T7775]  ? device_initialize+0x510/0x510
[  610.130070][ T7775]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  610.135914][ T7775]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  610.142956][ T7775]  ? __init_waitqueue_head+0xca/0x150
[  610.148389][ T7775]  netdev_register_kobject+0x183/0x3f0
[  610.154355][ T7775]  register_netdevice+0xbdf/0x14a0
[  610.159832][ T7775]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  610.166778][ T7775]  ? validate_linkmsg+0x6fc/0x9c0
[  610.171861][ T7775]  ? rtnl_create_link+0xa6d/0xfd0
[  610.177018][ T7775]  ? batadv_get_sset_count+0x40/0x40
[  610.182879][ T7775]  batadv_softif_newlink+0x70/0x90
[  610.188344][ T7775]  __rtnl_newlink+0x1173/0x1930
[  610.193464][ T7775]  ? rtnl_link_unregister+0x260/0x260
[  610.198929][ T7775]  rtnl_newlink+0x67/0xa0
[  610.203640][ T7775]  ? __rtnl_newlink+0x1930/0x1930
[  610.209991][ T7775]  rtnetlink_rcv_msg+0x3c7/0xe00
[  610.215365][ T7775]  ? rtnl_getlink+0xb40/0xb40
[  610.220615][ T7775]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  610.226757][ T7775]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  610.232965][ T7775]  ? __lock_acquire+0xc97/0x5dc0
[  610.237974][ T7775]  netlink_rcv_skb+0x16b/0x440
[  610.243171][ T7775]  ? rtnl_getlink+0xb40/0xb40
[  610.248070][ T7775]  ? netlink_ack+0x1370/0x1370
[  610.252886][ T7775]  ? lock_sync+0x180/0x180
[  610.257363][ T7775]  ? netlink_deliver_tap+0x1a0/0xd00
[  610.262690][ T7775]  ? _copy_from_iter+0x2c1/0x10f0
[  610.268045][ T7775]  netlink_unicast+0x53b/0x810
[  610.273130][ T7775]  ? netlink_attachskb+0x870/0x870
[  610.278307][ T7775]  ? __phys_addr_symbol+0x30/0x70
[  610.283516][ T7775]  ? __check_object_size+0x322/0x730
[  610.288849][ T7775]  netlink_sendmsg+0x939/0xe40
[  610.293771][ T7775]  ? netlink_unicast+0x810/0x810
[  610.299150][ T7775]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  610.305966][ T7775]  ? netlink_unicast+0x810/0x810
[  610.311118][ T7775]  __sock_sendmsg+0xd5/0x180
[  610.315740][ T7775]  ____sys_sendmsg+0x6ac/0x940
[  610.320635][ T7775]  ? copy_msghdr_from_user+0x10b/0x160
[  610.326126][ T7775]  ? kernel_sendmsg+0x50/0x50
[  610.331118][ T7775]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  610.337264][ T7775]  ___sys_sendmsg+0x135/0x1d0
[  610.342277][ T7775]  ? do_recvmmsg+0x740/0x740
[  610.347515][ T7775]  ? find_held_lock+0x2d/0x110
[  610.352347][ T7775]  ? preempt_count_sub+0x150/0x150
[  610.357686][ T7775]  ? __fget_light+0x1fa/0x260
[  610.362429][ T7775]  __sys_sendmsg+0x117/0x1e0
[  610.367074][ T7775]  ? __sys_sendmsg_sock+0x30/0x30
[  610.372257][ T7775]  ? syscall_enter_from_user_mode+0x26/0x80
[  610.378385][ T7775]  do_syscall_64+0x3f/0x110
[  610.383675][ T7775]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  610.389625][ T7775] RIP: 0033:0x7fa730b27eb9
[  610.394779][ T7775] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  610.415299][ T7775] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  610.423941][ T7775] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  610.432183][ T7775] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  610.440908][ T7775] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  610.449362][ T7775] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  610.457475][ T7775] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  610.465984][ T7775]  </TASK>
[  610.482590][ T7775] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  610.549343][ T7776] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  610.566385][ T7776] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  610.577562][ T7776] CPU: 0 PID: 7776 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  610.589240][ T7776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  610.599393][ T7776] Call Trace:
[  610.603833][ T7776]  <TASK>
[  610.606782][ T7776]  dump_stack_lvl+0x125/0x1b0
[  610.611841][ T7776]  sysfs_warn_dup+0x7f/0xa0
[  610.616593][ T7776]  sysfs_create_dir_ns+0x247/0x2a0
[  610.621743][ T7776]  ? sysfs_create_mount_point+0xb0/0xb0
[  610.627406][ T7776]  ? spin_bug+0x1c0/0x1c0
[  610.631993][ T7776]  ? net_namespace+0x12/0x40
[  610.636610][ T7776]  ? device_namespace+0x8d/0xc0
[  610.641487][ T7776]  kobject_add_internal+0x2c8/0x960
[  610.646895][ T7776]  kobject_add+0x16f/0x240
[  610.651540][ T7776]  ? kset_create_and_add+0x190/0x190
[  610.656964][ T7776]  ? do_raw_spin_unlock+0x172/0x230
[  610.662565][ T7776]  ? kobject_put+0xbe/0x440
[  610.667293][ T7776]  ? device_add+0xc35/0x1aa0
[  610.672191][ T7776]  device_add+0x289/0x1aa0
[  610.676867][ T7776]  ? device_initialize+0x510/0x510
[  610.682013][ T7776]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  610.688132][ T7776]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  610.695302][ T7776]  ? __init_waitqueue_head+0xca/0x150
[  610.700718][ T7776]  netdev_register_kobject+0x183/0x3f0
[  610.706439][ T7776]  register_netdevice+0xbdf/0x14a0
[  610.712053][ T7776]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  610.718352][ T7776]  ? team_nl_cmd_noop+0x280/0x280
[  610.723568][ T7776]  team_newlink+0x92/0x160
[  610.728154][ T7776]  ? team_nl_cmd_noop+0x280/0x280
[  610.733231][ T7776]  ? rtnl_create_link+0xa6d/0xfd0
[  610.738485][ T7776]  __rtnl_newlink+0x1173/0x1930
[  610.743500][ T7776]  ? rtnl_link_unregister+0x260/0x260
[  610.749052][ T7776]  rtnl_newlink+0x67/0xa0
[  610.753409][ T7776]  ? __rtnl_newlink+0x1930/0x1930
[  610.758722][ T7776]  rtnetlink_rcv_msg+0x3c7/0xe00
[  610.764006][ T7776]  ? rtnl_getlink+0xb40/0xb40
[  610.768984][ T7776]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  610.775167][ T7776]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  610.781803][ T7776]  ? __lock_acquire+0xc97/0x5dc0
[  610.787095][ T7776]  netlink_rcv_skb+0x16b/0x440
[  610.791898][ T7776]  ? rtnl_getlink+0xb40/0xb40
[  610.796855][ T7776]  ? netlink_ack+0x1370/0x1370
[  610.801841][ T7776]  ? lock_sync+0x180/0x180
[  610.806645][ T7776]  ? netlink_deliver_tap+0x1a0/0xd00
[  610.812306][ T7776]  ? _copy_from_iter+0x2c1/0x10f0
[  610.817363][ T7776]  netlink_unicast+0x53b/0x810
[  610.822238][ T7776]  ? netlink_attachskb+0x870/0x870
[  610.827560][ T7776]  ? __phys_addr_symbol+0x30/0x70
[  610.832773][ T7776]  ? __check_object_size+0x322/0x730
[  610.838241][ T7776]  netlink_sendmsg+0x939/0xe40
[  610.843035][ T7776]  ? netlink_unicast+0x810/0x810
[  610.847988][ T7776]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  610.853284][ T7776]  ? netlink_unicast+0x810/0x810
[  610.858254][ T7776]  __sock_sendmsg+0xd5/0x180
[  610.863098][ T7776]  ____sys_sendmsg+0x6ac/0x940
[  610.867891][ T7776]  ? copy_msghdr_from_user+0x10b/0x160
[  610.873441][ T7776]  ? kernel_sendmsg+0x50/0x50
[  610.878221][ T7776]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  610.884318][ T7776]  ___sys_sendmsg+0x135/0x1d0
[  610.889532][ T7776]  ? do_recvmmsg+0x740/0x740
[  610.894129][ T7776]  ? find_held_lock+0x2d/0x110
[  610.898925][ T7776]  ? preempt_count_sub+0x150/0x150
[  610.904270][ T7776]  ? __fget_light+0x1fa/0x260
[  610.909332][ T7776]  __sys_sendmsg+0x117/0x1e0
[  610.914180][ T7776]  ? __sys_sendmsg_sock+0x30/0x30
[  610.919620][ T7776]  ? syscall_enter_from_user_mode+0x26/0x80
[  610.926335][ T7776]  do_syscall_64+0x3f/0x110
[  610.931527][ T7776]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  610.938258][ T7776] RIP: 0033:0x7fa730b27eb9
[  610.942724][ T7776] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  610.962802][ T7776] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  610.973492][ T7776] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  610.982331][ T7776] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  610.994049][ T7776] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  611.004330][ T7776] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  611.012692][ T7776] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  611.021332][ T7776]  </TASK>
[  611.035874][ T7776] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  611.073098][ T7776] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  611.083173][ T7776] CPU: 0 PID: 7776 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  611.094574][ T7776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  611.104842][ T7776] Call Trace:
[  611.108134][ T7776]  <TASK>
[  611.111081][ T7776]  dump_stack_lvl+0x125/0x1b0
[  611.115817][ T7776]  sysfs_warn_dup+0x7f/0xa0
[  611.120457][ T7776]  sysfs_create_dir_ns+0x247/0x2a0
[  611.125700][ T7776]  ? sysfs_create_mount_point+0xb0/0xb0
[  611.131559][ T7776]  ? spin_bug+0x1c0/0x1c0
[  611.136471][ T7776]  ? net_namespace+0x12/0x40
[  611.141198][ T7776]  ? device_namespace+0x8d/0xc0
[  611.147793][ T7776]  kobject_add_internal+0x2c8/0x960
[  611.153446][ T7776]  kobject_add+0x16f/0x240
[  611.158598][ T7776]  ? kset_create_and_add+0x190/0x190
[  611.166561][ T7776]  ? do_raw_spin_unlock+0x172/0x230
[  611.172212][ T7776]  ? kobject_put+0xbe/0x440
[  611.176896][ T7776]  ? device_add+0xc35/0x1aa0
[  611.181727][ T7776]  device_add+0x289/0x1aa0
[  611.186329][ T7776]  ? device_initialize+0x510/0x510
[  611.191755][ T7776]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  611.197815][ T7776]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  611.204725][ T7776]  ? __init_waitqueue_head+0xca/0x150
[  611.210345][ T7776]  netdev_register_kobject+0x183/0x3f0
[  611.216174][ T7776]  register_netdevice+0xbdf/0x14a0
[  611.222570][ T7776]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  611.228501][ T7776]  ? validate_linkmsg+0x6fc/0x9c0
[  611.233776][ T7776]  ? rtnl_create_link+0xa6d/0xfd0
[  611.239023][ T7776]  ? batadv_get_sset_count+0x40/0x40
[  611.244611][ T7776]  batadv_softif_newlink+0x70/0x90
[  611.249786][ T7776]  __rtnl_newlink+0x1173/0x1930
[  611.255066][ T7776]  ? rtnl_link_unregister+0x260/0x260
[  611.260986][ T7776]  rtnl_newlink+0x67/0xa0
[  611.267475][ T7776]  ? __rtnl_newlink+0x1930/0x1930
[  611.272904][ T7776]  rtnetlink_rcv_msg+0x3c7/0xe00
[  611.277901][ T7776]  ? rtnl_getlink+0xb40/0xb40
[  611.282967][ T7776]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  611.289010][ T7776]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  611.295053][ T7776]  ? __lock_acquire+0xc97/0x5dc0
[  611.300037][ T7776]  netlink_rcv_skb+0x16b/0x440
[  611.304831][ T7776]  ? rtnl_getlink+0xb40/0xb40
[  611.309535][ T7776]  ? netlink_ack+0x1370/0x1370
[  611.314413][ T7776]  ? lock_sync+0x180/0x180
[  611.318872][ T7776]  ? netlink_deliver_tap+0x1a0/0xd00
[  611.324174][ T7776]  ? _copy_from_iter+0x2c1/0x10f0
[  611.329327][ T7776]  netlink_unicast+0x53b/0x810
[  611.334381][ T7776]  ? netlink_attachskb+0x870/0x870
[  611.339695][ T7776]  ? __phys_addr_symbol+0x30/0x70
[  611.344829][ T7776]  ? __check_object_size+0x322/0x730
[  611.350235][ T7776]  netlink_sendmsg+0x939/0xe40
[  611.355032][ T7776]  ? netlink_unicast+0x810/0x810
[  611.359998][ T7776]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  611.365303][ T7776]  ? netlink_unicast+0x810/0x810
[  611.370354][ T7776]  __sock_sendmsg+0xd5/0x180
[  611.374993][ T7776]  ____sys_sendmsg+0x6ac/0x940
[  611.379787][ T7776]  ? copy_msghdr_from_user+0x10b/0x160
[  611.385268][ T7776]  ? kernel_sendmsg+0x50/0x50
[  611.390230][ T7776]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  611.396353][ T7776]  ___sys_sendmsg+0x135/0x1d0
[  611.401177][ T7776]  ? do_recvmmsg+0x740/0x740
[  611.405788][ T7776]  ? find_held_lock+0x2d/0x110
[  611.410788][ T7776]  ? preempt_count_sub+0x150/0x150
[  611.415937][ T7776]  ? __fget_light+0x1fa/0x260
[  611.420732][ T7776]  __sys_sendmsg+0x117/0x1e0
[  611.426041][ T7776]  ? __sys_sendmsg_sock+0x30/0x30
[  611.431106][ T7776]  ? syscall_enter_from_user_mode+0x26/0x80
[  611.437374][ T7776]  do_syscall_64+0x3f/0x110
[  611.442000][ T7776]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  611.447935][ T7776] RIP: 0033:0x7fa730b27eb9
[  611.452462][ T7776] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  611.472277][ T7776] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  611.480734][ T7776] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  611.488817][ T7776] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  611.496989][ T7776] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  611.505251][ T7776] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  611.513239][ T7776] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  611.521335][ T7776]  </TASK>
[  611.535066][ T7776] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  611.706095][ T7777] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  611.727912][ T7777] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  611.738867][ T7777] CPU: 1 PID: 7777 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  611.750579][ T7777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  611.760805][ T7777] Call Trace:
[  611.764110][ T7777]  <TASK>
[  611.767581][ T7777]  dump_stack_lvl+0x125/0x1b0
[  611.772304][ T7777]  sysfs_warn_dup+0x7f/0xa0
[  611.777008][ T7777]  sysfs_create_dir_ns+0x247/0x2a0
[  611.782255][ T7777]  ? sysfs_create_mount_point+0xb0/0xb0
[  611.787817][ T7777]  ? spin_bug+0x1c0/0x1c0
[  611.792193][ T7777]  ? net_namespace+0x12/0x40
[  611.796894][ T7777]  ? device_namespace+0x8d/0xc0
[  611.801781][ T7777]  kobject_add_internal+0x2c8/0x960
[  611.807020][ T7777]  kobject_add+0x16f/0x240
[  611.811635][ T7777]  ? kset_create_and_add+0x190/0x190
[  611.817379][ T7777]  ? do_raw_spin_unlock+0x172/0x230
[  611.822644][ T7777]  ? kobject_put+0xbe/0x440
[  611.827282][ T7777]  ? device_add+0xc35/0x1aa0
[  611.831919][ T7777]  device_add+0x289/0x1aa0
[  611.836639][ T7777]  ? device_initialize+0x510/0x510
[  611.841818][ T7777]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  611.847646][ T7777]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  611.854709][ T7777]  ? __init_waitqueue_head+0xca/0x150
[  611.860123][ T7777]  netdev_register_kobject+0x183/0x3f0
[  611.865812][ T7777]  register_netdevice+0xbdf/0x14a0
[  611.870956][ T7777]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  611.877240][ T7777]  ? team_nl_cmd_noop+0x280/0x280
[  611.883066][ T7777]  team_newlink+0x92/0x160
[  611.887761][ T7777]  ? team_nl_cmd_noop+0x280/0x280
[  611.892800][ T7777]  ? rtnl_create_link+0xa6d/0xfd0
[  611.898372][ T7777]  __rtnl_newlink+0x1173/0x1930
[  611.903617][ T7777]  ? rtnl_link_unregister+0x260/0x260
[  611.910331][ T7777]  rtnl_newlink+0x67/0xa0
[  611.914866][ T7777]  ? __rtnl_newlink+0x1930/0x1930
[  611.920170][ T7777]  rtnetlink_rcv_msg+0x3c7/0xe00
[  611.925297][ T7777]  ? rtnl_getlink+0xb40/0xb40
[  611.930067][ T7777]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  611.936429][ T7777]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  611.942603][ T7777]  ? __lock_acquire+0xc97/0x5dc0
[  611.947659][ T7777]  netlink_rcv_skb+0x16b/0x440
[  611.952436][ T7777]  ? rtnl_getlink+0xb40/0xb40
[  611.957129][ T7777]  ? netlink_ack+0x1370/0x1370
[  611.961991][ T7777]  ? lock_sync+0x180/0x180
[  611.966454][ T7777]  ? netlink_deliver_tap+0x1a0/0xd00
[  611.971746][ T7777]  ? _copy_from_iter+0x2c1/0x10f0
[  611.976817][ T7777]  netlink_unicast+0x53b/0x810
[  611.981623][ T7777]  ? netlink_attachskb+0x870/0x870
[  611.986741][ T7777]  ? __phys_addr_symbol+0x30/0x70
[  611.991775][ T7777]  ? __check_object_size+0x322/0x730
[  611.997067][ T7777]  netlink_sendmsg+0x939/0xe40
[  612.002367][ T7777]  ? netlink_unicast+0x810/0x810
[  612.007318][ T7777]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  612.013405][ T7777]  ? netlink_unicast+0x810/0x810
[  612.018451][ T7777]  __sock_sendmsg+0xd5/0x180
[  612.023065][ T7777]  ____sys_sendmsg+0x6ac/0x940
[  612.028284][ T7777]  ? copy_msghdr_from_user+0x10b/0x160
[  612.034023][ T7777]  ? kernel_sendmsg+0x50/0x50
[  612.038713][ T7777]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  612.044924][ T7777]  ___sys_sendmsg+0x135/0x1d0
[  612.049800][ T7777]  ? do_recvmmsg+0x740/0x740
[  612.054398][ T7777]  ? find_held_lock+0x2d/0x110
[  612.059187][ T7777]  ? preempt_count_sub+0x150/0x150
[  612.064319][ T7777]  ? __fget_light+0x1fa/0x260
[  612.069014][ T7777]  __sys_sendmsg+0x117/0x1e0
[  612.073616][ T7777]  ? __sys_sendmsg_sock+0x30/0x30
[  612.078673][ T7777]  ? syscall_enter_from_user_mode+0x26/0x80
[  612.084773][ T7777]  do_syscall_64+0x3f/0x110
[  612.089590][ T7777]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  612.095495][ T7777] RIP: 0033:0x7fa730b27eb9
[  612.099917][ T7777] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  612.119814][ T7777] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  612.128245][ T7777] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  612.136489][ T7777] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  612.144465][ T7777] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  612.152451][ T7777] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  612.160524][ T7777] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  612.168889][ T7777]  </TASK>
[  612.175819][ T7777] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  612.225343][ T7777] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  612.235433][ T7777] CPU: 0 PID: 7777 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  612.246747][ T7777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  612.257521][ T7777] Call Trace:
[  612.261250][ T7777]  <TASK>
[  612.264375][ T7777]  dump_stack_lvl+0x125/0x1b0
[  612.269203][ T7777]  sysfs_warn_dup+0x7f/0xa0
[  612.273729][ T7777]  sysfs_create_dir_ns+0x247/0x2a0
[  612.279122][ T7777]  ? sysfs_create_mount_point+0xb0/0xb0
[  612.284688][ T7777]  ? spin_bug+0x1c0/0x1c0
[  612.289052][ T7777]  ? net_namespace+0x12/0x40
[  612.293667][ T7777]  ? device_namespace+0x8d/0xc0
[  612.298719][ T7777]  kobject_add_internal+0x2c8/0x960
[  612.304344][ T7777]  kobject_add+0x16f/0x240
[  612.309044][ T7777]  ? kset_create_and_add+0x190/0x190
[  612.314649][ T7777]  ? do_raw_spin_unlock+0x172/0x230
[  612.319909][ T7777]  ? kobject_put+0xbe/0x440
[  612.324809][ T7777]  ? device_add+0xc35/0x1aa0
[  612.329444][ T7777]  device_add+0x289/0x1aa0
[  612.333996][ T7777]  ? device_initialize+0x510/0x510
[  612.339326][ T7777]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  612.345275][ T7777]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  612.352155][ T7777]  ? __init_waitqueue_head+0xca/0x150
[  612.357652][ T7777]  netdev_register_kobject+0x183/0x3f0
[  612.363134][ T7777]  register_netdevice+0xbdf/0x14a0
[  612.368262][ T7777]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  612.374163][ T7777]  ? validate_linkmsg+0x6fc/0x9c0
[  612.379473][ T7777]  ? rtnl_create_link+0xa6d/0xfd0
[  612.384775][ T7777]  ? batadv_get_sset_count+0x40/0x40
[  612.390079][ T7777]  batadv_softif_newlink+0x70/0x90
[  612.395221][ T7777]  __rtnl_newlink+0x1173/0x1930
[  612.400115][ T7777]  ? rtnl_link_unregister+0x260/0x260
[  612.405610][ T7777]  rtnl_newlink+0x67/0xa0
[  612.410029][ T7777]  ? __rtnl_newlink+0x1930/0x1930
[  612.415144][ T7777]  rtnetlink_rcv_msg+0x3c7/0xe00
[  612.420092][ T7777]  ? rtnl_getlink+0xb40/0xb40
[  612.424866][ T7777]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  612.430945][ T7777]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  612.437026][ T7777]  ? __lock_acquire+0xc97/0x5dc0
[  612.442075][ T7777]  netlink_rcv_skb+0x16b/0x440
[  612.446853][ T7777]  ? rtnl_getlink+0xb40/0xb40
[  612.451539][ T7777]  ? netlink_ack+0x1370/0x1370
[  612.456337][ T7777]  ? lock_sync+0x180/0x180
[  612.461171][ T7777]  ? netlink_deliver_tap+0x1a0/0xd00
[  612.466471][ T7777]  ? _copy_from_iter+0x2c1/0x10f0
[  612.471609][ T7777]  netlink_unicast+0x53b/0x810
[  612.476565][ T7777]  ? netlink_attachskb+0x870/0x870
[  612.481691][ T7777]  ? __phys_addr_symbol+0x30/0x70
[  612.486942][ T7777]  ? __check_object_size+0x322/0x730
[  612.492324][ T7777]  netlink_sendmsg+0x939/0xe40
[  612.497295][ T7777]  ? netlink_unicast+0x810/0x810
[  612.502248][ T7777]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  612.507900][ T7777]  ? netlink_unicast+0x810/0x810
[  612.512945][ T7777]  __sock_sendmsg+0xd5/0x180
[  612.517732][ T7777]  ____sys_sendmsg+0x6ac/0x940
[  612.522594][ T7777]  ? copy_msghdr_from_user+0x10b/0x160
[  612.528344][ T7777]  ? kernel_sendmsg+0x50/0x50
[  612.533032][ T7777]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  612.539219][ T7777]  ___sys_sendmsg+0x135/0x1d0
[  612.543912][ T7777]  ? do_recvmmsg+0x740/0x740
[  612.548684][ T7777]  ? find_held_lock+0x2d/0x110
[  612.553470][ T7777]  ? preempt_count_sub+0x150/0x150
[  612.558639][ T7777]  ? __fget_light+0x1fa/0x260
[  612.563341][ T7777]  __sys_sendmsg+0x117/0x1e0
[  612.567945][ T7777]  ? __sys_sendmsg_sock+0x30/0x30
[  612.573203][ T7777]  ? syscall_enter_from_user_mode+0x26/0x80
[  612.579654][ T7777]  do_syscall_64+0x3f/0x110
[  612.584200][ T7777]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  612.590383][ T7777] RIP: 0033:0x7fa730b27eb9
[  612.594808][ T7777] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  612.614506][ T7777] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  612.623736][ T7777] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  612.631991][ T7777] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  612.640704][ T7777] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  612.648852][ T7777] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  612.656916][ T7777] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  612.664914][ T7777]  </TASK>
[  612.681615][ T7777] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  612.753876][ T7778] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  612.765566][ T7778] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  612.775704][ T7778] CPU: 0 PID: 7778 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  612.787367][ T7778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  612.797622][ T7778] Call Trace:
[  612.800919][ T7778]  <TASK>
[  612.803864][ T7778]  dump_stack_lvl+0x125/0x1b0
[  612.808592][ T7778]  sysfs_warn_dup+0x7f/0xa0
[  612.813316][ T7778]  sysfs_create_dir_ns+0x247/0x2a0
[  612.818457][ T7778]  ? sysfs_create_mount_point+0xb0/0xb0
[  612.824131][ T7778]  ? spin_bug+0x1c0/0x1c0
[  612.828527][ T7778]  ? net_namespace+0x12/0x40
[  612.834196][ T7778]  ? device_namespace+0x8d/0xc0
[  612.839175][ T7778]  kobject_add_internal+0x2c8/0x960
[  612.844506][ T7778]  kobject_add+0x16f/0x240
[  612.849143][ T7778]  ? kset_create_and_add+0x190/0x190
[  612.854483][ T7778]  ? do_raw_spin_unlock+0x172/0x230
[  612.859813][ T7778]  ? kobject_put+0xbe/0x440
[  612.864371][ T7778]  ? device_add+0xc35/0x1aa0
[  612.869106][ T7778]  device_add+0x289/0x1aa0
[  612.873734][ T7778]  ? device_initialize+0x510/0x510
[  612.878883][ T7778]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  612.884725][ T7778]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  612.891708][ T7778]  ? __init_waitqueue_head+0xca/0x150
[  612.897127][ T7778]  netdev_register_kobject+0x183/0x3f0
[  612.902892][ T7778]  register_netdevice+0xbdf/0x14a0
[  612.908135][ T7778]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  612.914427][ T7778]  ? team_nl_cmd_noop+0x280/0x280
[  612.919577][ T7778]  team_newlink+0x92/0x160
[  612.924114][ T7778]  ? team_nl_cmd_noop+0x280/0x280
[  612.929344][ T7778]  ? rtnl_create_link+0xa6d/0xfd0
[  612.934417][ T7778]  __rtnl_newlink+0x1173/0x1930
[  612.939581][ T7778]  ? rtnl_link_unregister+0x260/0x260
[  612.945197][ T7778]  rtnl_newlink+0x67/0xa0
[  612.949565][ T7778]  ? __rtnl_newlink+0x1930/0x1930
[  612.954627][ T7778]  rtnetlink_rcv_msg+0x3c7/0xe00
[  612.959594][ T7778]  ? rtnl_getlink+0xb40/0xb40
[  612.964295][ T7778]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  612.970312][ T7778]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  612.976413][ T7778]  ? __lock_acquire+0xc97/0x5dc0
[  612.981628][ T7778]  netlink_rcv_skb+0x16b/0x440
[  612.986544][ T7778]  ? rtnl_getlink+0xb40/0xb40
[  612.991269][ T7778]  ? netlink_ack+0x1370/0x1370
[  612.996242][ T7778]  ? lock_sync+0x180/0x180
[  613.000888][ T7778]  ? netlink_deliver_tap+0x1a0/0xd00
[  613.006202][ T7778]  ? _copy_from_iter+0x2c1/0x10f0
[  613.011733][ T7778]  netlink_unicast+0x53b/0x810
[  613.016620][ T7778]  ? netlink_attachskb+0x870/0x870
[  613.021760][ T7778]  ? __phys_addr_symbol+0x30/0x70
[  613.027428][ T7778]  ? __check_object_size+0x322/0x730
[  613.032919][ T7778]  netlink_sendmsg+0x939/0xe40
[  613.037805][ T7778]  ? netlink_unicast+0x810/0x810
[  613.042948][ T7778]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  613.048346][ T7778]  ? netlink_unicast+0x810/0x810
[  613.053498][ T7778]  __sock_sendmsg+0xd5/0x180
[  613.058119][ T7778]  ____sys_sendmsg+0x6ac/0x940
[  613.062904][ T7778]  ? copy_msghdr_from_user+0x10b/0x160
[  613.068647][ T7778]  ? kernel_sendmsg+0x50/0x50
[  613.073440][ T7778]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  613.079563][ T7778]  ___sys_sendmsg+0x135/0x1d0
[  613.084447][ T7778]  ? do_recvmmsg+0x740/0x740
[  613.089070][ T7778]  ? find_held_lock+0x2d/0x110
[  613.094104][ T7778]  ? preempt_count_sub+0x150/0x150
[  613.099272][ T7778]  ? __fget_light+0x1fa/0x260
[  613.103996][ T7778]  __sys_sendmsg+0x117/0x1e0
[  613.108707][ T7778]  ? __sys_sendmsg_sock+0x30/0x30
[  613.113783][ T7778]  ? syscall_enter_from_user_mode+0x26/0x80
[  613.119901][ T7778]  do_syscall_64+0x3f/0x110
[  613.124748][ T7778]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  613.131197][ T7778] RIP: 0033:0x7fa730b27eb9
[  613.135894][ T7778] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  613.155800][ T7778] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  613.164252][ T7778] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  613.172252][ T7778] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  613.180331][ T7778] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  613.188672][ T7778] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  613.196761][ T7778] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  613.205139][ T7778]  </TASK>
[  613.213985][ T7778] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  613.250107][ T7778] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  613.259519][ T7778] CPU: 0 PID: 7778 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  613.271264][ T7778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  613.281524][ T7778] Call Trace:
[  613.284820][ T7778]  <TASK>
[  613.287772][ T7778]  dump_stack_lvl+0x125/0x1b0
[  613.292622][ T7778]  sysfs_warn_dup+0x7f/0xa0
[  613.297238][ T7778]  sysfs_create_dir_ns+0x247/0x2a0
[  613.302376][ T7778]  ? sysfs_create_mount_point+0xb0/0xb0
[  613.308314][ T7778]  ? spin_bug+0x1c0/0x1c0
[  613.312773][ T7778]  ? net_namespace+0x12/0x40
[  613.317487][ T7778]  ? device_namespace+0x8d/0xc0
[  613.322477][ T7778]  kobject_add_internal+0x2c8/0x960
[  613.327902][ T7778]  kobject_add+0x16f/0x240
[  613.332358][ T7778]  ? kset_create_and_add+0x190/0x190
[  613.337681][ T7778]  ? do_raw_spin_unlock+0x172/0x230
[  613.342919][ T7778]  ? kobject_put+0xbe/0x440
[  613.348672][ T7778]  ? device_add+0xc35/0x1aa0
[  613.353651][ T7778]  device_add+0x289/0x1aa0
[  613.358109][ T7778]  ? device_initialize+0x510/0x510
[  613.363326][ T7778]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  613.369435][ T7778]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  613.376351][ T7778]  ? __init_waitqueue_head+0xca/0x150
[  613.381779][ T7778]  netdev_register_kobject+0x183/0x3f0
[  613.387457][ T7778]  register_netdevice+0xbdf/0x14a0
[  613.392627][ T7778]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  613.398821][ T7778]  ? validate_linkmsg+0x6fc/0x9c0
[  613.404159][ T7778]  ? rtnl_create_link+0xa6d/0xfd0
[  613.409244][ T7778]  ? batadv_get_sset_count+0x40/0x40
[  613.414584][ T7778]  batadv_softif_newlink+0x70/0x90
[  613.419924][ T7778]  __rtnl_newlink+0x1173/0x1930
[  613.425023][ T7778]  ? rtnl_link_unregister+0x260/0x260
[  613.430471][ T7778]  rtnl_newlink+0x67/0xa0
[  613.434851][ T7778]  ? __rtnl_newlink+0x1930/0x1930
[  613.440008][ T7778]  rtnetlink_rcv_msg+0x3c7/0xe00
[  613.444988][ T7778]  ? rtnl_getlink+0xb40/0xb40
[  613.449703][ T7778]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  613.455893][ T7778]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  613.461919][ T7778]  ? __lock_acquire+0xc97/0x5dc0
[  613.467086][ T7778]  netlink_rcv_skb+0x16b/0x440
[  613.471884][ T7778]  ? rtnl_getlink+0xb40/0xb40
[  613.476588][ T7778]  ? netlink_ack+0x1370/0x1370
[  613.481377][ T7778]  ? lock_sync+0x180/0x180
[  613.486103][ T7778]  ? netlink_deliver_tap+0x1a0/0xd00
[  613.491639][ T7778]  ? _copy_from_iter+0x2c1/0x10f0
[  613.497162][ T7778]  netlink_unicast+0x53b/0x810
[  613.502133][ T7778]  ? netlink_attachskb+0x870/0x870
[  613.508664][ T7778]  ? __phys_addr_symbol+0x30/0x70
[  613.513936][ T7778]  ? __check_object_size+0x322/0x730
[  613.519456][ T7778]  netlink_sendmsg+0x939/0xe40
[  613.524523][ T7778]  ? netlink_unicast+0x810/0x810
[  613.529849][ T7778]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  613.535157][ T7778]  ? netlink_unicast+0x810/0x810
[  613.540226][ T7778]  __sock_sendmsg+0xd5/0x180
[  613.545201][ T7778]  ____sys_sendmsg+0x6ac/0x940
[  613.550014][ T7778]  ? copy_msghdr_from_user+0x10b/0x160
[  613.555703][ T7778]  ? kernel_sendmsg+0x50/0x50
[  613.560527][ T7778]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  613.566739][ T7778]  ___sys_sendmsg+0x135/0x1d0
[  613.571453][ T7778]  ? do_recvmmsg+0x740/0x740
[  613.576261][ T7778]  ? find_held_lock+0x2d/0x110
[  613.581155][ T7778]  ? preempt_count_sub+0x150/0x150
[  613.586483][ T7778]  ? __fget_light+0x1fa/0x260
[  613.591574][ T7778]  __sys_sendmsg+0x117/0x1e0
[  613.596286][ T7778]  ? __sys_sendmsg_sock+0x30/0x30
[  613.601444][ T7778]  ? syscall_enter_from_user_mode+0x26/0x80
[  613.607467][ T7778]  do_syscall_64+0x3f/0x110
[  613.612197][ T7778]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  613.618475][ T7778] RIP: 0033:0x7fa730b27eb9
[  613.622913][ T7778] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  613.642763][ T7778] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  613.651306][ T7778] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  613.659469][ T7778] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005
[  613.667733][ T7778] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  613.675827][ T7778] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  613.683922][ T7778] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  613.692036][ T7778]  </TASK>
[  613.696037][ T7778] kobject: kobject_add_internal failed for batadv100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  613.775727][ T7779] netlink: 4 bytes leftover after parsing attributes in process `syz-executor239'.
[  613.788078][ T7779] sysfs: cannot create duplicate filename '/devices/virtual/net/team10000000000'
[  613.798047][ T7779] CPU: 0 PID: 7779 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  613.809461][ T7779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  613.819631][ T7779] Call Trace:
[  613.822927][ T7779]  <TASK>
[  613.825882][ T7779]  dump_stack_lvl+0x125/0x1b0
[  613.830766][ T7779]  sysfs_warn_dup+0x7f/0xa0
[  613.835304][ T7779]  sysfs_create_dir_ns+0x247/0x2a0
[  613.840522][ T7779]  ? sysfs_create_mount_point+0xb0/0xb0
[  613.846088][ T7779]  ? spin_bug+0x1c0/0x1c0
[  613.850456][ T7779]  ? net_namespace+0x12/0x40
[  613.855065][ T7779]  ? device_namespace+0x8d/0xc0
[  613.859938][ T7779]  kobject_add_internal+0x2c8/0x960
[  613.865337][ T7779]  kobject_add+0x16f/0x240
[  613.869767][ T7779]  ? kset_create_and_add+0x190/0x190
[  613.875156][ T7779]  ? do_raw_spin_unlock+0x172/0x230
[  613.880377][ T7779]  ? kobject_put+0xbe/0x440
[  613.884917][ T7779]  ? device_add+0xc35/0x1aa0
[  613.889519][ T7779]  device_add+0x289/0x1aa0
[  613.893950][ T7779]  ? device_initialize+0x510/0x510
[  613.899498][ T7779]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  613.905863][ T7779]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  613.912775][ T7779]  ? __init_waitqueue_head+0xca/0x150
[  613.918292][ T7779]  netdev_register_kobject+0x183/0x3f0
[  613.923794][ T7779]  register_netdevice+0xbdf/0x14a0
[  613.929183][ T7779]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  613.935196][ T7779]  ? team_nl_cmd_noop+0x280/0x280
[  613.940232][ T7779]  team_newlink+0x92/0x160
[  613.944669][ T7779]  ? team_nl_cmd_noop+0x280/0x280
[  613.949819][ T7779]  ? rtnl_create_link+0xa6d/0xfd0
[  613.955230][ T7779]  __rtnl_newlink+0x1173/0x1930
[  613.960108][ T7779]  ? rtnl_link_unregister+0x260/0x260
[  613.965614][ T7779]  rtnl_newlink+0x67/0xa0
[  613.969950][ T7779]  ? __rtnl_newlink+0x1930/0x1930
[  613.974982][ T7779]  rtnetlink_rcv_msg+0x3c7/0xe00
[  613.979933][ T7779]  ? rtnl_getlink+0xb40/0xb40
[  613.984704][ T7779]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  613.990702][ T7779]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  613.996783][ T7779]  ? __lock_acquire+0xc97/0x5dc0
[  614.001745][ T7779]  netlink_rcv_skb+0x16b/0x440
[  614.006526][ T7779]  ? rtnl_getlink+0xb40/0xb40
[  614.011309][ T7779]  ? netlink_ack+0x1370/0x1370
[  614.016148][ T7779]  ? lock_sync+0x180/0x180
[  614.020645][ T7779]  ? netlink_deliver_tap+0x1a0/0xd00
[  614.026132][ T7779]  ? _copy_from_iter+0x2c1/0x10f0
[  614.031276][ T7779]  netlink_unicast+0x53b/0x810
[  614.036148][ T7779]  ? netlink_attachskb+0x870/0x870
[  614.041271][ T7779]  ? __phys_addr_symbol+0x30/0x70
[  614.046741][ T7779]  ? __check_object_size+0x322/0x730
[  614.052037][ T7779]  netlink_sendmsg+0x939/0xe40
[  614.056839][ T7779]  ? netlink_unicast+0x810/0x810
[  614.061802][ T7779]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  614.067281][ T7779]  ? netlink_unicast+0x810/0x810
[  614.072345][ T7779]  __sock_sendmsg+0xd5/0x180
[  614.076969][ T7779]  ____sys_sendmsg+0x6ac/0x940
[  614.082007][ T7779]  ? copy_msghdr_from_user+0x10b/0x160
[  614.087566][ T7779]  ? kernel_sendmsg+0x50/0x50
[  614.092265][ T7779]  ___sys_sendmsg+0x135/0x1d0
[  614.096974][ T7779]  ? do_recvmmsg+0x740/0x740
[  614.101665][ T7779]  ? find_held_lock+0x2d/0x110
[  614.106606][ T7779]  ? __fget_light+0x1fa/0x260
[  614.111308][ T7779]  __sys_sendmsg+0x117/0x1e0
[  614.116038][ T7779]  ? __sys_sendmsg_sock+0x30/0x30
[  614.121163][ T7779]  ? restore_fpregs_from_fpstate+0xc1/0x1d0
[  614.127175][ T7779]  ? syscall_enter_from_user_mode+0x26/0x80
[  614.133094][ T7779]  do_syscall_64+0x3f/0x110
[  614.137612][ T7779]  entry_SYSCALL_64_after_hwframe+0x62/0x6a
[  614.143515][ T7779] RIP: 0033:0x7fa730b27eb9
[  614.148240][ T7779] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  614.167948][ T7779] RSP: 002b:00007ffe9da3c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  614.176371][ T7779] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa730b27eb9
[  614.184431][ T7779] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[  614.192417][ T7779] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[  614.200410][ T7779] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
[  614.208500][ T7779] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  614.216493][ T7779]  </TASK>
[  614.221521][ T7779] kobject: kobject_add_internal failed for team10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  614.260927][ T7779] sysfs: cannot create duplicate filename '/devices/virtual/net/batadv100000000'
[  614.270592][ T7779] CPU: 0 PID: 7779 Comm: syz-executor239 Not tainted 6.6.0-next-20231113-syzkaller-16977-gd173336e238b #0
[  614.284086][ T7779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  614.294598][ T7779] Call Trace:
[  614.297891][ T7779]  <TASK>
[  614.300837][ T7779]  dump_stack_lvl+0x125/0x1b0
[  614.305567][ T7779]  sysfs_warn_dup+0x7f/0xa0
[  614.310116][ T7779]  sysfs_create_dir_ns+0x247/0x2a0
[  614.315251][ T7779]  ? sysfs_create_mount_point+0xb0/0xb0
[  614.320827][ T7779]  ? spin_bug+0x1c0/0x1c0
[  614.325193][ T7779]  ? net_namespace+0x12/0x40
[  614.329804][ T7779]  ? device_namespace+0x8d/0xc0
[  614.334777][ T7779]  kobject_add_internal+0x2c8/0x960
[  614.340023][ T7779]  kobject_add+0x16f/0x240
[  614.344477][ T7779]  ? kset_create_and_add+0x190/0x190
[  614.349888][ T7779]  ? do_raw_spin_unlock+0x172/0x230
[  614.355122][ T7779]  ? kobject_put+0xbe/0x440
[  614.359661][ T7779]  ? device_add+0xc35/0x1aa0
[  614.364284][ T7779]  device_add+0x289/0x1aa0
[  614.368723][ T7779]  ? device_initialize+0x510/0x510
[  614.373941][ T7779]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  614.379956][ T7779]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  614.386957][ T7779]  ? __init_waitqueue_head+0xca/0x150
[  614.392369][ T7779]  netdev_register_kobject+0x183/0x3f0
[  614.397864][ T7779]  register_netdevice+0xbdf/0x14a0
[  614.403093][ T7779]  ? unregister_netdevice_queue+0x3c0/0x3c0
[  614.409010][ T7779]  ? validate_linkmsg+0x6fc/0x9c0
[  614.414073][ T7779]  ? rtnl_create_link+0xa6d/0xfd0
[  614.419276][ T7779]  ? batadv_get_sset_count+0x40/0x40
[  614.424601][ T7779]  batadv_softif_newlink+0x70/0x90
[  614.429845][ T7779]  __rtnl_newlink+0x1173/0x1930
[  614.434735][ T7779]  ? rtnl_link_unregister+0x260/0x260
[  614.440171][ T7779]  rtnl_newlink+0x67/0xa0
[  614.444704][ T7779]  ? __rtnl_newlink+0x1930/0x1930
[  614.449760][ T7779]  rtnetlink_rcv_msg+0x3c7/0xe00
[  614.454811][ T7779]  ? rtnl_getlink+0xb40/0xb40
[  614.459510][ T7779]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  614.465791][ T7779]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  614.472064][ T7779]  ? __lock_acquire+0xc97/0x5dc0
[  614.477126][ T7779]  netlink_rcv_skb+0x16b/0x440
[  614.481920][ T7779]  ? rtnl_getlink+0xb40/0xb40
[  614.486620][ T7779]  ? netlink_ack+0x1370/0x1370
[  614.491584][ T7779]  ? lock_sync+0x180/0x180
[  614.496306][ T7779]  ? netlink_deliver_tap+0x1a0/0xd00
[  614.501620][ T7779]  ? _copy_from_iter+0x2c1/0x10f0
[  614.506805][ T7779]  netlink_unicast+0x53b/0x810
[  614.512777][ T7779]  ? netlink_attachskb+0x870/0x870
[  614.517947][ T7779]  ? __phys_addr_symbol+0x30/0x70
[  614.523030][ T7779]  ? __check_object_size+0x322/0x730