Warning: Permanently added '10.128.0.141' (ECDSA) to the list of known hosts. 2021/01/22 19:28:22 fuzzer started 2021/01/22 19:28:23 connecting to host at 10.128.0.26:34555 2021/01/22 19:28:23 checking machine... 2021/01/22 19:28:23 checking revisions... 2021/01/22 19:28:23 testing simple program... syzkaller login: [ 74.862072][ T8486] IPVS: ftp: loaded support on port[0] = 21 [ 75.058369][ T8486] chnl_net:caif_netlink_parms(): no params data found [ 75.117040][ T8486] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.125066][ T8486] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.135399][ T8486] device bridge_slave_0 entered promiscuous mode [ 75.145313][ T8486] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.153482][ T8486] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.162789][ T8486] device bridge_slave_1 entered promiscuous mode [ 75.183910][ T8486] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 75.195840][ T8486] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 75.221837][ T8486] team0: Port device team_slave_0 added [ 75.231126][ T8486] team0: Port device team_slave_1 added [ 75.250285][ T8486] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 75.257696][ T8486] 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. [ 75.285322][ T8486] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 75.299201][ T8486] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 75.307245][ T8486] 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. [ 75.334717][ T8486] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 75.364566][ T8486] device hsr_slave_0 entered promiscuous mode [ 75.372203][ T8486] device hsr_slave_1 entered promiscuous mode [ 75.483090][ T8486] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 75.494676][ T8486] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 75.506209][ T8486] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 75.517180][ T8486] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 75.545278][ T8486] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.552812][ T8486] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.561231][ T8486] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.568882][ T8486] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.620953][ T8486] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.635272][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.647297][ T34] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.658162][ T34] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.668572][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 75.684610][ T8486] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.697315][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.707031][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.714635][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.741733][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.751658][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.759436][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.769453][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.779287][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.791004][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.806593][ T8486] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 75.819034][ T8486] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 75.834518][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.844047][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.853528][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.874218][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.883341][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.897372][ T8486] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.918690][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.943752][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.953268][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.962582][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.974054][ T8486] device veth0_vlan entered promiscuous mode [ 75.988143][ T8486] device veth1_vlan entered promiscuous mode [ 76.013616][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 76.022393][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 76.031260][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 76.043816][ T8486] device veth0_macvtap entered promiscuous mode [ 76.055151][ T8486] device veth1_macvtap entered promiscuous mode [ 76.076733][ T8486] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 76.084676][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 76.094348][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 76.108195][ T8486] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 76.116799][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 76.125701][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 76.140655][ T8486] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.156147][ T8486] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.166749][ T8486] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.176313][ T8486] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.258414][ T170] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.308035][ T24] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.308620][ T170] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.328604][ T24] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.342091][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program [ 76.354777][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready 2021/01/22 19:28:26 building call list... [ 77.116507][ T170] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 77.389443][ T170] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 77.609441][ T170] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 77.836363][ T170] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program [ 80.021730][ T8468] can: request_module (can-proto-0) failed. [ 80.457597][ T170] device hsr_slave_0 left promiscuous mode [ 80.465254][ T170] device hsr_slave_1 left promiscuous mode [ 80.472821][ T170] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 80.481320][ T170] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 80.491517][ T170] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 80.499173][ T170] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 80.510741][ T170] device bridge_slave_1 left promiscuous mode [ 80.518286][ T170] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.533075][ T170] device bridge_slave_0 left promiscuous mode [ 80.539966][ T170] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.557067][ T170] device veth1_macvtap left promiscuous mode [ 80.563844][ T170] device veth0_macvtap left promiscuous mode [ 80.570628][ T170] device veth1_vlan left promiscuous mode [ 80.576935][ T170] device veth0_vlan left promiscuous mode executing program [ 84.186617][ T170] ------------[ cut here ]------------ [ 84.193293][ T170] WARNING: CPU: 1 PID: 170 at net/wireless/core.c:1455 cfg80211_netdev_notifier_call+0xd48/0x1460 [ 84.207075][ T170] Modules linked in: [ 84.211874][ T170] CPU: 0 PID: 170 Comm: kworker/u4:4 Not tainted 5.11.0-rc4-next-20210122-syzkaller #0 [ 84.222081][ T170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.232825][ T170] Workqueue: netns cleanup_net [ 84.237888][ T170] RIP: 0010:cfg80211_netdev_notifier_call+0xd48/0x1460 [ 84.245751][ T170] 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 [ 84.266678][ T170] RSP: 0018:ffffc90000f0f720 EFLAGS: 00010293 [ 84.273048][ T170] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 84.281692][ T170] RDX: ffff8880115c3800 RSI: ffffffff883638c8 RDI: 0000000000000003 [ 84.290170][ T170] RBP: ffff8880181f8000 R08: 0000000000000000 R09: ffffffff88362cdd [ 84.298168][ T170] R10: ffffffff883638bb R11: 0000000000000006 R12: 1ffff920001e1ee9 [ 84.306791][ T170] R13: ffff8881442da580 R14: ffff88801b784000 R15: 0000000000000002 [ 84.314981][ T170] FS: 0000000000000000(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 [ 84.324575][ T170] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.331468][ T170] CR2: 000000c00031b000 CR3: 0000000011ec8000 CR4: 00000000001506f0 [ 84.340020][ T170] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 84.348324][ T170] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 84.357462][ T170] Call Trace: [ 84.361097][ T170] ? mark_lock+0xef/0x17b0 [ 84.366124][ T170] ? cfg80211_register_wdev+0x320/0x320 [ 84.372265][ T170] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 84.378545][ T170] ? lock_chain_count+0x20/0x20 [ 84.384029][ T170] ? find_held_lock+0x2d/0x110 [ 84.389384][ T170] ? rt_flush_dev+0x1c9/0x260 [ 84.394543][ T170] ? mark_held_locks+0x9f/0xe0 [ 84.399725][ T170] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 84.405626][ T170] ? _find_next_bit.constprop.0+0x1a0/0x200 [ 84.411700][ T170] ? cpumask_next+0x3c/0x40 [ 84.416228][ T170] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 84.422647][ T170] ? rt_flush_dev+0x88/0x260 [ 84.427359][ T170] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 84.434391][ T170] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 84.441813][ T170] ? ipmr_device_event+0x1ab/0x220 [ 84.447316][ T170] notifier_call_chain+0xb5/0x200 [ 84.452805][ T170] call_netdevice_notifiers_info+0xb5/0x130 [ 84.458877][ T170] unregister_netdevice_many+0x943/0x1750 [ 84.467271][ T170] ? net_tx_action+0xbf0/0xbf0 [ 84.473028][ T170] ? unregister_netdevice_many+0x1750/0x1750 [ 84.479661][ T170] ? sysfs_remove_group+0xc2/0x170 [ 84.485038][ T170] ? br_dev_delete+0x112/0x190 [ 84.490078][ T170] default_device_exit_batch+0x2fa/0x3c0 [ 84.495851][ T170] ? unregister_netdev+0x20/0x20 [ 84.501274][ T170] ? __init_waitqueue_head+0xd0/0xd0 [ 84.506928][ T170] ? cfg802154_switch_netns+0x440/0x440 [ 84.512988][ T170] ? unregister_netdev+0x20/0x20 [ 84.518038][ T170] ? dev_change_net_namespace+0x1200/0x1200 [ 84.524276][ T170] ops_exit_list+0x10d/0x160 [ 84.529586][ T170] cleanup_net+0x4ea/0xb10 [ 84.529666][ T170] ? ops_free_list.part.0+0x3d0/0x3d0 [ 84.529707][ T170] process_one_work+0x98d/0x15f0 [ 84.548201][ T170] ? pwq_dec_nr_in_flight+0x320/0x320 [ 84.554309][ T170] ? rwlock_bug.part.0+0x90/0x90 [ 84.560160][ T170] ? _raw_spin_lock_irq+0x41/0x50 [ 84.566175][ T170] worker_thread+0x64c/0x1120 [ 84.571139][ T170] ? __kthread_parkme+0x13f/0x1e0 [ 84.576662][ T170] ? process_one_work+0x15f0/0x15f0 [ 84.582174][ T170] kthread+0x3b1/0x4a0 [ 84.586687][ T170] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 84.593045][ T170] ret_from_fork+0x1f/0x30 [ 84.598297][ T170] Kernel panic - not syncing: panic_on_warn set ... [ 84.605855][ T170] CPU: 0 PID: 170 Comm: kworker/u4:4 Not tainted 5.11.0-rc4-next-20210122-syzkaller #0 [ 84.616314][ T170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.627100][ T170] Workqueue: netns cleanup_net [ 84.632148][ T170] Call Trace: [ 84.635840][ T170] dump_stack+0x107/0x163 [ 84.640542][ T170] panic+0x306/0x73d [ 84.644743][ T170] ? __warn_printk+0xf3/0xf3 [ 84.649526][ T170] ? __warn.cold+0x1a/0x44 [ 84.654119][ T170] ? cfg80211_netdev_notifier_call+0xd48/0x1460 [ 84.660702][ T170] __warn.cold+0x35/0x44 [ 84.664942][ T170] ? cfg80211_netdev_notifier_call+0xd48/0x1460 [ 84.671389][ T170] report_bug+0x1bd/0x210 [ 84.675899][ T170] handle_bug+0x3c/0x60 [ 84.680135][ T170] exc_invalid_op+0x14/0x40 [ 84.684889][ T170] asm_exc_invalid_op+0x12/0x20 [ 84.690024][ T170] RIP: 0010:cfg80211_netdev_notifier_call+0xd48/0x1460 [ 84.697601][ T170] 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 [ 84.719912][ T170] RSP: 0018:ffffc90000f0f720 EFLAGS: 00010293 [ 84.726757][ T170] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 84.735834][ T170] RDX: ffff8880115c3800 RSI: ffffffff883638c8 RDI: 0000000000000003 [ 84.744590][ T170] RBP: ffff8880181f8000 R08: 0000000000000000 R09: ffffffff88362cdd [ 84.753287][ T170] R10: ffffffff883638bb R11: 0000000000000006 R12: 1ffff920001e1ee9 [ 84.761703][ T170] R13: ffff8881442da580 R14: ffff88801b784000 R15: 0000000000000002 [ 84.770025][ T170] ? cfg80211_netdev_notifier_call+0xd3b/0x1460 [ 84.776463][ T170] ? cfg80211_netdev_notifier_call+0x15d/0x1460 [ 84.782820][ T170] ? cfg80211_netdev_notifier_call+0xd48/0x1460 [ 84.789952][ T170] ? mark_lock+0xef/0x17b0 [ 84.794567][ T170] ? cfg80211_register_wdev+0x320/0x320 [ 84.800566][ T170] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 84.806817][ T170] ? lock_chain_count+0x20/0x20 [ 84.811835][ T170] ? find_held_lock+0x2d/0x110 [ 84.816786][ T170] ? rt_flush_dev+0x1c9/0x260 [ 84.821724][ T170] ? mark_held_locks+0x9f/0xe0 [ 84.826513][ T170] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 84.832404][ T170] ? _find_next_bit.constprop.0+0x1a0/0x200 [ 84.838747][ T170] ? cpumask_next+0x3c/0x40 [ 84.843504][ T170] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 84.849510][ T170] ? rt_flush_dev+0x88/0x260 [ 84.854188][ T170] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 84.860783][ T170] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 84.867049][ T170] ? ipmr_device_event+0x1ab/0x220 [ 84.872251][ T170] notifier_call_chain+0xb5/0x200 [ 84.877382][ T170] call_netdevice_notifiers_info+0xb5/0x130 [ 84.883452][ T170] unregister_netdevice_many+0x943/0x1750 [ 84.889480][ T170] ? net_tx_action+0xbf0/0xbf0 [ 84.894413][ T170] ? unregister_netdevice_many+0x1750/0x1750 [ 84.900585][ T170] ? sysfs_remove_group+0xc2/0x170 [ 84.905893][ T170] ? br_dev_delete+0x112/0x190 [ 84.910838][ T170] default_device_exit_batch+0x2fa/0x3c0 [ 84.916552][ T170] ? unregister_netdev+0x20/0x20 [ 84.921714][ T170] ? __init_waitqueue_head+0xd0/0xd0 [ 84.927157][ T170] ? cfg802154_switch_netns+0x440/0x440 [ 84.932821][ T170] ? unregister_netdev+0x20/0x20 [ 84.937914][ T170] ? dev_change_net_namespace+0x1200/0x1200 [ 84.944223][ T170] ops_exit_list+0x10d/0x160 [ 84.948951][ T170] cleanup_net+0x4ea/0xb10 [ 84.953591][ T170] ? ops_free_list.part.0+0x3d0/0x3d0 [ 84.959340][ T170] process_one_work+0x98d/0x15f0 [ 84.964476][ T170] ? pwq_dec_nr_in_flight+0x320/0x320 [ 84.970174][ T170] ? rwlock_bug.part.0+0x90/0x90 [ 84.975383][ T170] ? _raw_spin_lock_irq+0x41/0x50 [ 84.980413][ T170] worker_thread+0x64c/0x1120 [ 84.985271][ T170] ? __kthread_parkme+0x13f/0x1e0 [ 84.991055][ T170] ? process_one_work+0x15f0/0x15f0 [ 84.996768][ T170] kthread+0x3b1/0x4a0 [ 85.001061][ T170] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 85.007274][ T170] ret_from_fork+0x1f/0x30 [ 85.013469][ T170] Kernel Offset: disabled [ 85.018240][ T170] Rebooting in 86400 seconds..