Warning: Permanently added '10.128.0.133' (ECDSA) to the list of known hosts. 2021/01/22 19:28:20 fuzzer started 2021/01/22 19:28:21 connecting to host at 10.128.0.26:41669 2021/01/22 19:28:21 checking machine... 2021/01/22 19:28:21 checking revisions... 2021/01/22 19:28:21 testing simple program... syzkaller login: [ 74.096615][ T8472] IPVS: ftp: loaded support on port[0] = 21 [ 74.231192][ T8472] chnl_net:caif_netlink_parms(): no params data found [ 74.289544][ T8472] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.297632][ T8472] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.306510][ T8472] device bridge_slave_0 entered promiscuous mode [ 74.316766][ T8472] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.324033][ T8472] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.332590][ T8472] device bridge_slave_1 entered promiscuous mode [ 74.356902][ T8472] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 74.369313][ T8472] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 74.396708][ T8472] team0: Port device team_slave_0 added [ 74.404420][ T8472] team0: Port device team_slave_1 added [ 74.425618][ T8472] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 74.432600][ T8472] 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. [ 74.459988][ T8472] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 74.473849][ T8472] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 74.482290][ T8472] 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. [ 74.509621][ T8472] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 74.539041][ T8472] device hsr_slave_0 entered promiscuous mode [ 74.546560][ T8472] device hsr_slave_1 entered promiscuous mode [ 74.659002][ T8472] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 74.669962][ T8472] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 74.687713][ T8472] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 74.699238][ T8472] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 74.727910][ T8472] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.735307][ T8472] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.743543][ T8472] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.750995][ T8472] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.798610][ T8472] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.812256][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.826498][ T8419] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.836629][ T8419] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.846487][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 74.862364][ T8472] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.874404][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.883739][ T8419] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.891026][ T8419] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.915355][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.924562][ T8419] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.931860][ T8419] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.941179][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.951825][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.963510][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.980217][ T3189] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.995145][ T8472] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 75.007630][ T8472] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.017778][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.039147][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.047325][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.061518][ T8472] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.084139][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.105891][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.116996][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.125089][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.137075][ T8472] device veth0_vlan entered promiscuous mode [ 75.149725][ T8472] device veth1_vlan entered promiscuous mode [ 75.172866][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 75.183659][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 75.192216][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 75.206011][ T8472] device veth0_macvtap entered promiscuous mode [ 75.217546][ T8472] device veth1_macvtap entered promiscuous mode [ 75.238122][ T8472] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 75.247116][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 75.256918][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 75.270714][ T8472] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 75.280283][ T3189] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 75.290449][ T3189] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 75.301738][ T8472] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.311809][ T8472] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.321243][ T8472] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.331952][ T8472] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.431774][ T8] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.452316][ T8] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.473015][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 75.490133][ T32] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.500173][ T32] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.512966][ T3189] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program 2021/01/22 19:28:24 building call list... [ 76.353441][ T8] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 76.597320][ T8] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 76.830416][ T8] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 77.067354][ T8] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program [ 79.174767][ T8724] can: request_module (can-proto-0) failed. [ 79.711556][ T8] device hsr_slave_0 left promiscuous mode [ 79.719479][ T8] device hsr_slave_1 left promiscuous mode [ 79.727284][ T8] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 79.736054][ T8] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 79.747053][ T8] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 79.755329][ T8] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 79.763886][ T8] device bridge_slave_1 left promiscuous mode [ 79.771691][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.786831][ T8] device bridge_slave_0 left promiscuous mode [ 79.793229][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.810446][ T8] device veth1_macvtap left promiscuous mode [ 79.818419][ T8] device veth0_macvtap left promiscuous mode [ 79.824681][ T8] device veth1_vlan left promiscuous mode [ 79.830670][ T8] device veth0_vlan left promiscuous mode executing program [ 83.442188][ T8] ------------[ cut here ]------------ [ 83.448588][ T8] WARNING: CPU: 0 PID: 8 at net/wireless/core.c:1455 cfg80211_netdev_notifier_call+0xd48/0x1460 [ 83.460347][ T8] Modules linked in: [ 83.465715][ T8] CPU: 0 PID: 8 Comm: kworker/u4:0 Not tainted 5.11.0-rc4-next-20210122-syzkaller #0 [ 83.476056][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.487096][ T8] Workqueue: netns cleanup_net [ 83.492769][ T8] RIP: 0010:cfg80211_netdev_notifier_call+0xd48/0x1460 [ 83.501094][ T8] Code: be e4 3c f9 49 8d 7d 68 be ff ff ff ff e8 a0 cd c6 00 31 ff 89 c3 89 c6 e8 25 ec 3c f9 85 db 0f 85 64 f9 ff ff e8 98 e4 3c f9 <0f> 0b e9 58 f9 ff ff e8 8c e4 3c f9 49 8d 7d 68 be ff ff ff ff e8 [ 83.521636][ T8] RSP: 0018:ffffc90000cd7720 EFLAGS: 00010293 [ 83.528448][ T8] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 83.536835][ T8] RDX: ffff888010d35400 RSI: ffffffff883638c8 RDI: 0000000000000003 [ 83.545192][ T8] RBP: ffff88801ba8d000 R08: 0000000000000000 R09: ffffffff88362cdd [ 83.553214][ T8] R10: ffffffff883638bb R11: 0000000000000006 R12: 1ffff9200019aee9 [ 83.561344][ T8] R13: ffff88801b63a580 R14: ffff888035eb4000 R15: 0000000000000002 [ 83.569701][ T8] FS: 0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 [ 83.579044][ T8] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.585842][ T8] CR2: 000055ee3060e0e8 CR3: 0000000013025000 CR4: 00000000001506e0 [ 83.594012][ T8] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 83.602366][ T8] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 83.610662][ T8] Call Trace: [ 83.613962][ T8] ? mark_lock+0xef/0x17b0 [ 83.618491][ T8] ? cfg80211_register_wdev+0x320/0x320 [ 83.624298][ T8] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 83.630409][ T8] ? lock_chain_count+0x20/0x20 [ 83.635633][ T8] ? find_held_lock+0x2d/0x110 [ 83.640612][ T8] ? rt_flush_dev+0x1c9/0x260 [ 83.646550][ T8] ? mark_held_locks+0x9f/0xe0 [ 83.651457][ T8] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 83.658647][ T8] ? _find_next_bit.constprop.0+0x1a0/0x200 [ 83.667299][ T8] ? cpumask_next+0x3c/0x40 [ 83.671836][ T8] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 83.677817][ T8] ? rt_flush_dev+0x88/0x260 [ 83.682608][ T8] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 83.689096][ T8] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 83.695777][ T8] ? ipmr_device_event+0x1ab/0x220 [ 83.701001][ T8] notifier_call_chain+0xb5/0x200 [ 83.706154][ T8] call_netdevice_notifiers_info+0xb5/0x130 [ 83.712174][ T8] unregister_netdevice_many+0x943/0x1750 [ 83.717996][ T8] ? net_tx_action+0xbf0/0xbf0 [ 83.723141][ T8] ? unregister_netdevice_many+0x1750/0x1750 [ 83.729232][ T8] ? sysfs_remove_group+0xc2/0x170 [ 83.734758][ T8] ? br_dev_delete+0x112/0x190 [ 83.739637][ T8] default_device_exit_batch+0x2fa/0x3c0 [ 83.745429][ T8] ? unregister_netdev+0x20/0x20 [ 83.750403][ T8] ? __init_waitqueue_head+0xd0/0xd0 [ 83.755788][ T8] ? cfg802154_switch_netns+0x440/0x440 [ 83.761451][ T8] ? unregister_netdev+0x20/0x20 [ 83.766705][ T8] ? dev_change_net_namespace+0x1200/0x1200 [ 83.772708][ T8] ops_exit_list+0x10d/0x160 [ 83.777399][ T8] cleanup_net+0x4ea/0xb10 [ 83.781849][ T8] ? ops_free_list.part.0+0x3d0/0x3d0 [ 83.787502][ T8] process_one_work+0x98d/0x15f0 [ 83.792473][ T8] ? pwq_dec_nr_in_flight+0x320/0x320 [ 83.797936][ T8] ? rwlock_bug.part.0+0x90/0x90 [ 83.802919][ T8] ? _raw_spin_lock_irq+0x41/0x50 [ 83.808059][ T8] worker_thread+0x64c/0x1120 [ 83.812865][ T8] ? process_one_work+0x15f0/0x15f0 [ 83.818450][ T8] kthread+0x3b1/0x4a0 [ 83.822638][ T8] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 83.828735][ T8] ret_from_fork+0x1f/0x30 [ 83.833183][ T8] Kernel panic - not syncing: panic_on_warn set ... [ 83.839788][ T8] CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted 5.11.0-rc4-next-20210122-syzkaller #0 [ 83.849274][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.859980][ T8] Workqueue: netns cleanup_net [ 83.864764][ T8] Call Trace: [ 83.868249][ T8] dump_stack+0x107/0x163 [ 83.872777][ T8] panic+0x306/0x73d [ 83.876950][ T8] ? __warn_printk+0xf3/0xf3 [ 83.881557][ T8] ? __warn.cold+0x1a/0x44 [ 83.886124][ T8] ? cfg80211_netdev_notifier_call+0xd48/0x1460 [ 83.892729][ T8] __warn.cold+0x35/0x44 [ 83.897421][ T8] ? cfg80211_netdev_notifier_call+0xd48/0x1460 [ 83.903698][ T8] report_bug+0x1bd/0x210 [ 83.908324][ T8] handle_bug+0x3c/0x60 [ 83.912578][ T8] exc_invalid_op+0x14/0x40 [ 83.917171][ T8] asm_exc_invalid_op+0x12/0x20 [ 83.922021][ T8] RIP: 0010:cfg80211_netdev_notifier_call+0xd48/0x1460 [ 83.929099][ T8] Code: be e4 3c f9 49 8d 7d 68 be ff ff ff ff e8 a0 cd c6 00 31 ff 89 c3 89 c6 e8 25 ec 3c f9 85 db 0f 85 64 f9 ff ff e8 98 e4 3c f9 <0f> 0b e9 58 f9 ff ff e8 8c e4 3c f9 49 8d 7d 68 be ff ff ff ff e8 [ 83.949158][ T8] RSP: 0018:ffffc90000cd7720 EFLAGS: 00010293 [ 83.955406][ T8] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 83.963505][ T8] RDX: ffff888010d35400 RSI: ffffffff883638c8 RDI: 0000000000000003 [ 83.971497][ T8] RBP: ffff88801ba8d000 R08: 0000000000000000 R09: ffffffff88362cdd [ 83.979770][ T8] R10: ffffffff883638bb R11: 0000000000000006 R12: 1ffff9200019aee9 [ 83.987916][ T8] R13: ffff88801b63a580 R14: ffff888035eb4000 R15: 0000000000000002 [ 83.995982][ T8] ? cfg80211_netdev_notifier_call+0xd3b/0x1460 [ 84.002358][ T8] ? cfg80211_netdev_notifier_call+0x15d/0x1460 [ 84.008703][ T8] ? cfg80211_netdev_notifier_call+0xd48/0x1460 [ 84.014973][ T8] ? mark_lock+0xef/0x17b0 [ 84.019395][ T8] ? cfg80211_register_wdev+0x320/0x320 [ 84.024954][ T8] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 84.031415][ T8] ? lock_chain_count+0x20/0x20 [ 84.036404][ T8] ? find_held_lock+0x2d/0x110 [ 84.041398][ T8] ? rt_flush_dev+0x1c9/0x260 [ 84.046079][ T8] ? mark_held_locks+0x9f/0xe0 [ 84.050948][ T8] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 84.056718][ T8] ? _find_next_bit.constprop.0+0x1a0/0x200 [ 84.062613][ T8] ? cpumask_next+0x3c/0x40 [ 84.067198][ T8] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 84.073363][ T8] ? rt_flush_dev+0x88/0x260 [ 84.077974][ T8] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 84.084545][ T8] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 84.090932][ T8] ? ipmr_device_event+0x1ab/0x220 [ 84.096146][ T8] notifier_call_chain+0xb5/0x200 [ 84.101278][ T8] call_netdevice_notifiers_info+0xb5/0x130 [ 84.107235][ T8] unregister_netdevice_many+0x943/0x1750 [ 84.113104][ T8] ? net_tx_action+0xbf0/0xbf0 [ 84.117870][ T8] ? unregister_netdevice_many+0x1750/0x1750 [ 84.124215][ T8] ? sysfs_remove_group+0xc2/0x170 [ 84.129986][ T8] ? br_dev_delete+0x112/0x190 [ 84.135036][ T8] default_device_exit_batch+0x2fa/0x3c0 [ 84.140669][ T8] ? unregister_netdev+0x20/0x20 [ 84.145609][ T8] ? __init_waitqueue_head+0xd0/0xd0 [ 84.150896][ T8] ? cfg802154_switch_netns+0x440/0x440 [ 84.156458][ T8] ? unregister_netdev+0x20/0x20 [ 84.161407][ T8] ? dev_change_net_namespace+0x1200/0x1200 [ 84.167310][ T8] ops_exit_list+0x10d/0x160 [ 84.172008][ T8] cleanup_net+0x4ea/0xb10 [ 84.176786][ T8] ? ops_free_list.part.0+0x3d0/0x3d0 [ 84.182251][ T8] process_one_work+0x98d/0x15f0 [ 84.187192][ T8] ? pwq_dec_nr_in_flight+0x320/0x320 [ 84.192605][ T8] ? rwlock_bug.part.0+0x90/0x90 [ 84.197625][ T8] ? _raw_spin_lock_irq+0x41/0x50 [ 84.202646][ T8] worker_thread+0x64c/0x1120 [ 84.207346][ T8] ? process_one_work+0x15f0/0x15f0 [ 84.212556][ T8] kthread+0x3b1/0x4a0 [ 84.216934][ T8] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 84.222931][ T8] ret_from_fork+0x1f/0x30 [ 84.228959][ T8] Kernel Offset: disabled [ 84.233427][ T8] Rebooting in 86400 seconds..