DUID 00:04:99:cf:64:81:91:3a:f8:b3:88:a8:0e:05:2a:78:8a:13 forked to background, child pid 4814 [ 30.207434][ T4815] 8021q: adding VLAN 0 to HW filter on device bond0 [ 30.217522][ T4815] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.242' (ECDSA) to the list of known hosts. 2022/11/10 03:41:19 fuzzer started 2022/11/10 03:41:19 connecting to host at 10.128.0.169:36159 2022/11/10 03:41:19 checking machine... 2022/11/10 03:41:19 checking revisions... 2022/11/10 03:41:20 testing simple program... syzkaller login: [ 47.834281][ T5235] cgroup: Unknown subsys name 'net' [ 47.928875][ T5235] cgroup: Unknown subsys name 'rlimit' [ 48.134858][ T5239] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 48.143910][ T5239] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 48.151613][ T5239] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 48.160313][ T5241] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 48.167976][ T5241] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 48.175589][ T5241] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 48.184238][ T5237] Bluetooth: hci0: HCI_REQ-0x0c1a [ 48.289089][ T5237] chnl_net:caif_netlink_parms(): no params data found [ 48.333987][ T5237] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.341901][ T5237] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.349989][ T5237] device bridge_slave_0 entered promiscuous mode [ 48.358935][ T5237] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.366229][ T5237] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.374953][ T5237] device bridge_slave_1 entered promiscuous mode [ 48.395691][ T5237] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 48.407437][ T5237] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 48.431278][ T5237] team0: Port device team_slave_0 added [ 48.438784][ T5237] team0: Port device team_slave_1 added [ 48.457908][ T5237] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 48.464957][ T5237] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 48.492033][ T5237] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 48.505781][ T5237] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 48.512987][ T5237] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 48.539370][ T5237] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 48.568815][ T5237] device hsr_slave_0 entered promiscuous mode [ 48.575497][ T5237] device hsr_slave_1 entered promiscuous mode [ 48.661582][ T5237] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 48.672563][ T5237] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 48.681670][ T5237] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 48.691462][ T5237] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 48.713470][ T5237] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.720684][ T5237] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.729865][ T5237] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.736948][ T5237] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.784867][ T5237] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.797292][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.808335][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.816829][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.825682][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 48.839264][ T5237] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.851893][ T2433] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.860510][ T2433] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.867755][ T2433] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.894129][ T5250] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.902642][ T5250] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.909787][ T5250] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.918150][ T5250] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.926919][ T5250] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.936106][ T5250] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.949615][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.957466][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.969321][ T5237] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.068787][ T5248] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 49.077192][ T5248] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 49.088222][ T5237] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.107145][ T5248] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 49.126610][ T5248] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 49.135580][ T5248] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 49.144554][ T5248] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 49.154360][ T5237] device veth0_vlan entered promiscuous mode [ 49.166620][ T5237] device veth1_vlan entered promiscuous mode [ 49.186263][ T5248] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 49.194849][ T5248] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 49.203929][ T5248] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 49.216515][ T5237] device veth0_macvtap entered promiscuous mode [ 49.226216][ T5237] device veth1_macvtap entered promiscuous mode [ 49.243610][ T5237] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 49.253211][ T5250] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 49.262823][ T5250] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 49.273890][ T5237] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 49.282919][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 49.294058][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 49.304918][ T5237] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.315525][ T5237] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.325425][ T5237] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.335426][ T5237] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.406464][ T1165] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 49.414872][ T1165] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 49.426739][ T5250] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 49.445659][ T46] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 49.453700][ T46] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 49.463040][ T5250] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2022/11/10 03:41:21 building call list... [ 49.727904][ T46] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program [ 52.471371][ T5237] syz-executor.0 (5237) used greatest stack depth: 22672 bytes left [ 52.523249][ T46] ------------[ cut here ]------------ [ 52.529028][ T46] WARNING: CPU: 0 PID: 46 at net/core/devlink.c:9998 devl_port_unregister+0x2f6/0x390 [ 52.561954][ T46] Modules linked in: [ 52.565905][ T46] CPU: 0 PID: 46 Comm: kworker/u4:3 Not tainted 6.1.0-rc4-next-20221109-syzkaller #0 [ 52.589605][ T46] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 52.609495][ T46] Workqueue: netns cleanup_net [ 52.614320][ T46] RIP: 0010:devl_port_unregister+0x2f6/0x390 [ 52.629507][ T46] Code: e8 cf 22 fb f9 85 ed 0f 85 7a fd ff ff e8 f2 25 fb f9 0f 0b e9 6e fd ff ff e8 e6 25 fb f9 0f 0b e9 53 ff ff ff e8 da 25 fb f9 <0f> 0b e9 94 fd ff ff e8 fe 08 48 fa e9 78 ff ff ff e8 c4 08 48 fa [ 52.669510][ T46] RSP: 0018:ffffc90000b77a08 EFLAGS: 00010293 [ 52.676113][ T46] RAX: 0000000000000000 RBX: ffff888075974810 RCX: 0000000000000000 [ 52.709476][ T46] RDX: ffff8880173eba80 RSI: ffffffff8781b7b6 RDI: 0000000000000005 [ 52.717505][ T46] RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 [ 52.739752][ T46] R10: 0000000000000002 R11: 0000000000000000 R12: ffff888075974810 [ 52.748041][ T46] R13: ffff888075974808 R14: ffff888075973800 R15: ffff888075974800 [ 52.779494][ T46] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 52.795935][ T46] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.819483][ T46] CR2: 000000c000129000 CR3: 000000002192c000 CR4: 00000000003506e0 [ 52.827527][ T46] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.849484][ T46] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.858305][ T46] Call Trace: [ 52.869471][ T46] [ 52.872469][ T46] __nsim_dev_port_del+0x1bb/0x240 [ 52.877715][ T46] nsim_dev_reload_destroy+0x171/0x510 [ 52.899663][ T46] nsim_dev_reload_down+0x6b/0xd0 [ 52.904785][ T46] devlink_reload+0x1c2/0x6b0 [ 52.919504][ T46] ? devlink_remote_reload_actions_performed+0xa0/0xa0 [ 52.929569][ T46] ? xa_find+0x330/0x330 [ 52.949482][ T46] ? devlinks_xa_find_get.constprop.0+0x170/0x260 [ 52.955972][ T46] devlink_pernet_pre_exit+0x104/0x1c0 [ 52.962099][ T46] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 52.968555][ T46] ? cttimeout_net_pre_exit+0x109/0x500 [ 52.991356][ T46] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 53.008117][ T46] cleanup_net+0x451/0xb10 [ 53.019681][ T46] ? unregister_pernet_device+0x70/0x70 [ 53.035127][ T46] process_one_work+0x9bf/0x1710 [ 53.047077][ T46] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 53.063951][ T46] ? rwlock_bug.part.0+0x90/0x90 [ 53.076997][ T46] ? _raw_spin_lock_irq+0x41/0x50 [ 53.087317][ T46] worker_thread+0x665/0x1080 [ 53.093938][ T46] ? process_one_work+0x1710/0x1710 [ 53.099340][ T46] kthread+0x2e4/0x3a0 [ 53.104601][ T46] ? kthread_complete_and_exit+0x40/0x40 [ 53.112642][ T46] ret_from_fork+0x1f/0x30 [ 53.117141][ T46] [ 53.120984][ T46] Kernel panic - not syncing: panic_on_warn set ... [ 53.127770][ T46] CPU: 1 PID: 46 Comm: kworker/u4:3 Not tainted 6.1.0-rc4-next-20221109-syzkaller #0 [ 53.137339][ T46] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 53.147447][ T46] Workqueue: netns cleanup_net [ 53.152240][ T46] Call Trace: [ 53.155530][ T46] [ 53.158471][ T46] dump_stack_lvl+0xcd/0x134 [ 53.163086][ T46] panic+0x2c8/0x622 [ 53.167011][ T46] ? panic_print_sys_info.part.0+0x110/0x110 [ 53.173026][ T46] ? __warn.cold+0x24b/0x350 [ 53.177635][ T46] ? devl_port_unregister+0x2f6/0x390 [ 53.183117][ T46] __warn.cold+0x25c/0x350 [ 53.187559][ T46] ? devl_port_unregister+0x2f6/0x390 [ 53.193037][ T46] report_bug+0x1bc/0x210 [ 53.197394][ T46] handle_bug+0x3c/0x70 [ 53.201567][ T46] exc_invalid_op+0x14/0x40 [ 53.206098][ T46] asm_exc_invalid_op+0x16/0x20 [ 53.210989][ T46] RIP: 0010:devl_port_unregister+0x2f6/0x390 [ 53.217003][ T46] Code: e8 cf 22 fb f9 85 ed 0f 85 7a fd ff ff e8 f2 25 fb f9 0f 0b e9 6e fd ff ff e8 e6 25 fb f9 0f 0b e9 53 ff ff ff e8 da 25 fb f9 <0f> 0b e9 94 fd ff ff e8 fe 08 48 fa e9 78 ff ff ff e8 c4 08 48 fa [ 53.236821][ T46] RSP: 0018:ffffc90000b77a08 EFLAGS: 00010293 [ 53.243005][ T46] RAX: 0000000000000000 RBX: ffff888075974810 RCX: 0000000000000000 [ 53.250988][ T46] RDX: ffff8880173eba80 RSI: ffffffff8781b7b6 RDI: 0000000000000005 [ 53.258971][ T46] RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 [ 53.266952][ T46] R10: 0000000000000002 R11: 0000000000000000 R12: ffff888075974810 [ 53.274934][ T46] R13: ffff888075974808 R14: ffff888075973800 R15: ffff888075974800 [ 53.282944][ T46] ? devl_port_unregister+0x2f6/0x390 [ 53.288348][ T46] ? devl_port_unregister+0x2f6/0x390 [ 53.293758][ T46] __nsim_dev_port_del+0x1bb/0x240 [ 53.298915][ T46] nsim_dev_reload_destroy+0x171/0x510 [ 53.304434][ T46] nsim_dev_reload_down+0x6b/0xd0 [ 53.309511][ T46] devlink_reload+0x1c2/0x6b0 [ 53.314243][ T46] ? devlink_remote_reload_actions_performed+0xa0/0xa0 [ 53.321125][ T46] ? xa_find+0x330/0x330 [ 53.325406][ T46] ? devlinks_xa_find_get.constprop.0+0x170/0x260 [ 53.331853][ T46] devlink_pernet_pre_exit+0x104/0x1c0 [ 53.337858][ T46] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 53.344303][ T46] ? cttimeout_net_pre_exit+0x109/0x500 [ 53.349879][ T46] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 53.356327][ T46] cleanup_net+0x451/0xb10 [ 53.360777][ T46] ? unregister_pernet_device+0x70/0x70 [ 53.366361][ T46] process_one_work+0x9bf/0x1710 [ 53.371340][ T46] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 53.376741][ T46] ? rwlock_bug.part.0+0x90/0x90 [ 53.381712][ T46] ? _raw_spin_lock_irq+0x41/0x50 [ 53.386786][ T46] worker_thread+0x665/0x1080 [ 53.391591][ T46] ? process_one_work+0x1710/0x1710 [ 53.396903][ T46] kthread+0x2e4/0x3a0 [ 53.400987][ T46] ? kthread_complete_and_exit+0x40/0x40 [ 53.406647][ T46] ret_from_fork+0x1f/0x30 [ 53.411754][ T46] [ 53.415010][ T46] Kernel Offset: disabled [ 53.419421][ T46] Rebooting in 86400 seconds..