DUID 00:04:00:dd:10:da:7f:85:b5:90:fb:fd:97:ac:66:d6:08:36 forked to background, child pid 3180 [ 29.492442][ T3181] 8021q: adding VLAN 0 to HW filter on device bond0 [ 29.502628][ T3181] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.174' (ECDSA) to the list of known hosts. 2022/11/08 05:06:49 fuzzer started 2022/11/08 05:06:49 connecting to host at 10.128.0.169:34109 2022/11/08 05:06:49 checking machine... 2022/11/08 05:06:49 checking revisions... 2022/11/08 05:06:49 testing simple program... syzkaller login: [ 53.742806][ T3602] cgroup: Unknown subsys name 'net' [ 53.853451][ T3602] cgroup: Unknown subsys name 'rlimit' [ 54.067628][ T3608] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 54.075690][ T3608] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 54.083627][ T3608] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 54.092547][ T3608] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 54.100636][ T3608] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 54.108306][ T3608] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 54.116757][ T3604] Bluetooth: hci0: HCI_REQ-0x0c1a [ 54.227342][ T3604] chnl_net:caif_netlink_parms(): no params data found [ 54.273252][ T3604] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.281235][ T3604] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.289724][ T3604] device bridge_slave_0 entered promiscuous mode [ 54.299988][ T3604] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.307393][ T3604] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.315285][ T3604] device bridge_slave_1 entered promiscuous mode [ 54.336736][ T3604] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.349521][ T3604] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.373227][ T3604] team0: Port device team_slave_0 added [ 54.381248][ T3604] team0: Port device team_slave_1 added [ 54.399722][ T3604] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 54.406906][ T3604] 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. [ 54.433390][ T3604] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 54.446166][ T3604] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 54.453277][ T3604] 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. [ 54.479481][ T3604] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 54.509422][ T3604] device hsr_slave_0 entered promiscuous mode [ 54.516333][ T3604] device hsr_slave_1 entered promiscuous mode [ 54.601968][ T3604] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 54.612692][ T3604] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 54.622108][ T3604] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 54.632101][ T3604] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 54.655235][ T3604] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.662466][ T3604] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.670472][ T3604] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.677648][ T3604] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.726534][ T3604] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.740344][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.751678][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.761292][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.769521][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 54.783302][ T3604] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.794416][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.803175][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.810287][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.823076][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.832625][ T22] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.839767][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.859070][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.875819][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.884742][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.894273][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.905794][ T3604] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 54.918652][ T3604] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.928790][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.027985][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 55.035596][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.046469][ T3604] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.065170][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 55.086299][ T3604] device veth0_vlan entered promiscuous mode [ 55.094464][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 55.103802][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 55.112223][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 55.126229][ T3604] device veth1_vlan entered promiscuous mode [ 55.145323][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 55.153926][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 55.163160][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 55.173648][ T3604] device veth0_macvtap entered promiscuous mode [ 55.184954][ T3604] device veth1_macvtap entered promiscuous mode [ 55.200087][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 55.212731][ T3604] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 55.221506][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 55.230376][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 55.241981][ T3604] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 55.249906][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 55.258832][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 55.274439][ T3604] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.283416][ T3604] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.294076][ T3604] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.304157][ T3604] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.365710][ T56] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.380780][ T56] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.393643][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.394609][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 55.402260][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.419686][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2022/11/08 05:06:51 building call list... [ 55.679186][ T56] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program [ 58.251152][ T56] ------------[ cut here ]------------ [ 58.256965][ T56] WARNING: CPU: 0 PID: 56 at net/core/devlink.c:9998 devl_port_unregister+0x2f6/0x390 [ 58.288389][ T56] Modules linked in: [ 58.298498][ T56] CPU: 1 PID: 56 Comm: kworker/u4:4 Not tainted 6.1.0-rc3-syzkaller-00810-g91c596cc8d32 #0 [ 58.325514][ T56] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 58.337855][ T56] Workqueue: netns cleanup_net [ 58.342841][ T56] RIP: 0010:devl_port_unregister+0x2f6/0x390 [ 58.350318][ T56] Code: e8 0f 39 0b fa 85 ed 0f 85 7a fd ff ff e8 32 3c 0b fa 0f 0b e9 6e fd ff ff e8 26 3c 0b fa 0f 0b e9 53 ff ff ff e8 1a 3c 0b fa <0f> 0b e9 94 fd ff ff e8 7e ae 57 fa e9 78 ff ff ff e8 44 ae 57 fa [ 58.371948][ T56] RSP: 0018:ffffc90001577a08 EFLAGS: 00010293 [ 58.378725][ T56] RAX: 0000000000000000 RBX: ffff8880736c0810 RCX: 0000000000000000 [ 58.386820][ T56] RDX: ffff8880183c8000 RSI: ffffffff87717606 RDI: 0000000000000005 [ 58.407439][ T56] RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 [ 58.415515][ T56] R10: 0000000000000002 R11: 0000000000000000 R12: ffff8880736c0810 [ 58.426115][ T56] R13: ffff8880736c0808 R14: ffff88806f2c7800 R15: ffff8880736c0800 [ 58.434663][ T56] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 58.445431][ T56] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.452480][ T56] CR2: 000055bd232a4068 CR3: 000000001f12c000 CR4: 00000000003506e0 [ 58.462223][ T56] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.471378][ T56] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.481250][ T56] Call Trace: [ 58.484622][ T56] [ 58.488244][ T56] __nsim_dev_port_del+0x1bb/0x240 [ 58.493569][ T56] nsim_dev_reload_destroy+0x171/0x510 [ 58.501170][ T56] nsim_dev_reload_down+0x6b/0xd0 [ 58.506354][ T56] devlink_reload+0x1c2/0x6b0 [ 58.511531][ T56] ? devlink_remote_reload_actions_performed+0xa0/0xa0 [ 58.520809][ T56] ? xa_find+0x330/0x330 [ 58.525191][ T56] ? devlinks_xa_find_get.constprop.0+0x170/0x260 [ 58.532140][ T56] devlink_pernet_pre_exit+0x104/0x1c0 [ 58.539500][ T56] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 58.546082][ T56] ? cttimeout_net_pre_exit+0x109/0x500 [ 58.552290][ T56] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 58.560625][ T56] cleanup_net+0x451/0xb10 [ 58.565172][ T56] ? unregister_pernet_device+0x70/0x70 [ 58.571267][ T56] process_one_work+0x9bf/0x1710 [ 58.576378][ T56] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 58.583822][ T56] ? rwlock_bug.part.0+0x90/0x90 [ 58.589227][ T56] ? _raw_spin_lock_irq+0x41/0x50 [ 58.594364][ T56] worker_thread+0x665/0x1080 [ 58.600931][ T56] ? __kthread_parkme+0x15f/0x220 [ 58.606157][ T56] ? process_one_work+0x1710/0x1710 [ 58.631820][ T56] kthread+0x2e4/0x3a0 [ 58.636017][ T56] ? kthread_complete_and_exit+0x40/0x40 [ 58.642249][ T56] ret_from_fork+0x1f/0x30 [ 58.646845][ T56] [ 58.652667][ T56] Kernel panic - not syncing: panic_on_warn set ... [ 58.659271][ T56] CPU: 1 PID: 56 Comm: kworker/u4:4 Not tainted 6.1.0-rc3-syzkaller-00810-g91c596cc8d32 #0 [ 58.669298][ T56] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 58.679465][ T56] Workqueue: netns cleanup_net [ 58.684639][ T56] Call Trace: [ 58.688026][ T56] [ 58.690999][ T56] dump_stack_lvl+0xcd/0x134 [ 58.695616][ T56] panic+0x2c8/0x622 [ 58.699547][ T56] ? panic_print_sys_info.part.0+0x110/0x110 [ 58.705584][ T56] ? __warn.cold+0x24b/0x350 [ 58.710222][ T56] ? devl_port_unregister+0x2f6/0x390 [ 58.715639][ T56] __warn.cold+0x25c/0x350 [ 58.720174][ T56] ? devl_port_unregister+0x2f6/0x390 [ 58.725576][ T56] report_bug+0x1bc/0x210 [ 58.729957][ T56] handle_bug+0x3c/0x70 [ 58.734164][ T56] exc_invalid_op+0x14/0x40 [ 58.738802][ T56] asm_exc_invalid_op+0x16/0x20 [ 58.743770][ T56] RIP: 0010:devl_port_unregister+0x2f6/0x390 [ 58.749793][ T56] Code: e8 0f 39 0b fa 85 ed 0f 85 7a fd ff ff e8 32 3c 0b fa 0f 0b e9 6e fd ff ff e8 26 3c 0b fa 0f 0b e9 53 ff ff ff e8 1a 3c 0b fa <0f> 0b e9 94 fd ff ff e8 7e ae 57 fa e9 78 ff ff ff e8 44 ae 57 fa [ 58.769451][ T56] RSP: 0018:ffffc90001577a08 EFLAGS: 00010293 [ 58.775557][ T56] RAX: 0000000000000000 RBX: ffff8880736c0810 RCX: 0000000000000000 [ 58.783555][ T56] RDX: ffff8880183c8000 RSI: ffffffff87717606 RDI: 0000000000000005 [ 58.791639][ T56] RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 [ 58.799631][ T56] R10: 0000000000000002 R11: 0000000000000000 R12: ffff8880736c0810 [ 58.807624][ T56] R13: ffff8880736c0808 R14: ffff88806f2c7800 R15: ffff8880736c0800 [ 58.815634][ T56] ? devl_port_unregister+0x2f6/0x390 [ 58.821064][ T56] ? devl_port_unregister+0x2f6/0x390 [ 58.826470][ T56] __nsim_dev_port_del+0x1bb/0x240 [ 58.831969][ T56] nsim_dev_reload_destroy+0x171/0x510 [ 58.837476][ T56] nsim_dev_reload_down+0x6b/0xd0 [ 58.842616][ T56] devlink_reload+0x1c2/0x6b0 [ 58.847336][ T56] ? devlink_remote_reload_actions_performed+0xa0/0xa0 [ 58.854228][ T56] ? xa_find+0x330/0x330 [ 58.858501][ T56] ? devlinks_xa_find_get.constprop.0+0x170/0x260 [ 58.864970][ T56] devlink_pernet_pre_exit+0x104/0x1c0 [ 58.870470][ T56] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 58.877014][ T56] ? cttimeout_net_pre_exit+0x109/0x500 [ 58.882594][ T56] ? devlinks_xa_find_get.constprop.0+0x260/0x260 [ 58.889145][ T56] cleanup_net+0x451/0xb10 [ 58.893697][ T56] ? unregister_pernet_device+0x70/0x70 [ 58.899305][ T56] process_one_work+0x9bf/0x1710 [ 58.904321][ T56] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 58.909750][ T56] ? rwlock_bug.part.0+0x90/0x90 [ 58.914719][ T56] ? _raw_spin_lock_irq+0x41/0x50 [ 58.919800][ T56] worker_thread+0x665/0x1080 [ 58.924528][ T56] ? __kthread_parkme+0x15f/0x220 [ 58.929681][ T56] ? process_one_work+0x1710/0x1710 [ 58.935090][ T56] kthread+0x2e4/0x3a0 [ 58.939186][ T56] ? kthread_complete_and_exit+0x40/0x40 [ 58.944948][ T56] ret_from_fork+0x1f/0x30 [ 58.949419][ T56] [ 58.952673][ T56] Kernel Offset: disabled [ 58.957082][ T56] Rebooting in 86400 seconds..