Warning: Permanently added '10.128.1.25' (ECDSA) to the list of known hosts. 2020/11/13 16:05:50 fuzzer started 2020/11/13 16:05:51 connecting to host at 10.128.0.26:41363 2020/11/13 16:05:51 checking machine... 2020/11/13 16:05:51 checking revisions... 2020/11/13 16:05:51 testing simple program... executing program executing program [ 155.895407][ T8276] IPVS: ftp: loaded support on port[0] = 21 [ 156.274043][ T8276] chnl_net:caif_netlink_parms(): no params data found [ 156.406786][ T8276] bridge0: port 1(bridge_slave_0) entered blocking state [ 156.414383][ T8276] bridge0: port 1(bridge_slave_0) entered disabled state [ 156.423809][ T8276] device bridge_slave_0 entered promiscuous mode [ 156.433884][ T8276] bridge0: port 2(bridge_slave_1) entered blocking state [ 156.441063][ T8276] bridge0: port 2(bridge_slave_1) entered disabled state [ 156.450522][ T8276] device bridge_slave_1 entered promiscuous mode [ 156.484454][ T8276] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 156.497921][ T8276] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 156.532638][ T8276] team0: Port device team_slave_0 added [ 156.542115][ T8276] team0: Port device team_slave_1 added [ 156.569928][ T8276] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 156.577025][ T8276] 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. [ 156.603203][ T8276] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 156.616547][ T8276] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 156.623774][ T8276] 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. [ 156.650096][ T8276] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 156.692738][ T8276] device hsr_slave_0 entered promiscuous mode [ 156.700182][ T8276] device hsr_slave_1 entered promiscuous mode [ 156.876998][ T8276] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 156.889014][ T8276] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 156.910600][ T8276] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 156.928935][ T8276] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 157.021121][ T8276] bridge0: port 2(bridge_slave_1) entered blocking state [ 157.028452][ T8276] bridge0: port 2(bridge_slave_1) entered forwarding state [ 157.036455][ T8276] bridge0: port 1(bridge_slave_0) entered blocking state [ 157.043901][ T8276] bridge0: port 1(bridge_slave_0) entered forwarding state [ 157.126887][ T8276] 8021q: adding VLAN 0 to HW filter on device bond0 [ 157.149631][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 157.160165][ T55] bridge0: port 1(bridge_slave_0) entered disabled state [ 157.172652][ T55] bridge0: port 2(bridge_slave_1) entered disabled state [ 157.183532][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 157.201179][ T8276] 8021q: adding VLAN 0 to HW filter on device team0 [ 157.219825][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 157.228799][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 157.236253][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 157.277470][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 157.287349][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 157.294883][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 157.305844][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 157.319858][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 157.339201][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 157.348533][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 157.372264][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 157.380987][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 157.390454][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 157.400064][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 157.418820][ T8276] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 157.449027][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 157.456909][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 157.477561][ T8276] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 157.510527][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 157.519975][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 157.555840][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 157.564691][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 157.581920][ T8276] device veth0_vlan entered promiscuous mode [ 157.593610][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 157.602490][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 157.624716][ T8276] device veth1_vlan entered promiscuous mode [ 157.666066][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 157.675145][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 157.684502][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 157.693982][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 157.710569][ T8276] device veth0_macvtap entered promiscuous mode [ 157.728078][ T8276] device veth1_macvtap entered promiscuous mode [ 157.760284][ T8276] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 157.767908][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 157.777614][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 157.786658][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 157.796629][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 157.817969][ T8276] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 157.825616][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 157.835570][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 157.851099][ T8276] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 157.860459][ T8276] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 157.869440][ T8276] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 157.872465][ T7] Bluetooth: hci0: command 0x0409 tx timeout [ 157.878386][ T8276] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 158.135280][ T1280] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 158.143787][ T1280] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 158.169496][ T8499] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 158.234992][ T1280] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 158.243119][ T1280] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 158.252790][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2020/11/13 16:06:01 building call list... [ 159.304746][ T1280] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 159.545346][ T1280] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 159.742625][ T1280] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 159.949393][ T1280] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program [ 162.773755][ T1280] device hsr_slave_0 left promiscuous mode [ 162.793524][ T1280] device hsr_slave_1 left promiscuous mode [ 162.815812][ T1280] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 162.823616][ T1280] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 162.838215][ T1280] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 162.845827][ T1280] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 162.857520][ T1280] device bridge_slave_1 left promiscuous mode [ 162.864594][ T1280] bridge0: port 2(bridge_slave_1) entered disabled state [ 162.879654][ T1280] device bridge_slave_0 left promiscuous mode [ 162.886609][ T1280] bridge0: port 1(bridge_slave_0) entered disabled state [ 162.909430][ T1280] device veth1_macvtap left promiscuous mode [ 162.915880][ T1280] device veth0_macvtap left promiscuous mode [ 162.922031][ T1280] device veth1_vlan left promiscuous mode [ 162.928097][ T1280] device veth0_vlan left promiscuous mode executing program [ 166.664630][ T1280] team0 (unregistering): Port device team_slave_1 removed [ 166.691815][ T1280] team0 (unregistering): Port device team_slave_0 removed [ 166.713869][ T1280] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 166.736424][ T1280] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface executing program [ 166.843916][ T1280] bond0 (unregistering): Released all slaves [ 167.749442][ T1280] BUG: kernel NULL pointer dereference, address: 000000000000009c [ 167.757360][ T1280] #PF: supervisor read access in kernel mode [ 167.763423][ T1280] #PF: error_code(0x0000) - not-present page [ 167.769462][ T1280] PGD 0 P4D 0 [ 167.772981][ T1280] Oops: 0000 [#1] SMP [ 167.777060][ T1280] CPU: 1 PID: 1280 Comm: kworker/u4:12 Not tainted 5.10.0-rc1-syzkaller #0 [ 167.785732][ T1280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.795891][ T1280] Workqueue: netns cleanup_net [ 167.800789][ T1280] RIP: 0010:afs_unuse_cell+0x67/0x780 [ 167.806643][ T1280] Code: 4d 8b 6f 08 45 8b a7 88 0c 00 00 41 8b 87 90 0c 00 00 89 45 d4 e8 b9 d7 78 fd 49 8d 9e 9c 00 00 00 4d 85 ed 0f 85 30 04 00 00 <41> 8b 86 9c 00 00 00 89 45 8c 48 89 df e8 a7 f8 f7 fd 8b 18 8b 0a [ 167.826346][ T1280] RSP: 0018:ffff888105ea3a38 EFLAGS: 00010246 [ 167.832546][ T1280] RAX: ffffffff843e3717 RBX: 000000000000009c RCX: ffff88810466bd80 [ 167.840607][ T1280] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8881261d4400 [ 167.848676][ T1280] RBP: ffff888105ea3ac0 R08: ffffea000000000f R09: ffff88813fffa000 [ 167.856827][ T1280] R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000000000 [ 167.864883][ T1280] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88810466c780 [ 167.872951][ T1280] FS: 0000000000000000(0000) GS:ffff88813fd00000(0000) knlGS:0000000000000000 [ 167.881969][ T1280] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 167.888656][ T1280] CR2: 000000000000009c CR3: 0000000010829000 CR4: 00000000001506e0 [ 167.896718][ T1280] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 167.904859][ T1280] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 167.912891][ T1280] Call Trace: [ 167.916344][ T1280] ? up_write+0x62/0x220 [ 167.920715][ T1280] afs_cell_purge+0xfb/0x5e0 [ 167.925427][ T1280] ? del_timer_sync+0x131/0x1f0 [ 167.930408][ T1280] ? afs_fs_probe_cleanup+0x111/0x140 [ 167.935901][ T1280] afs_net_exit+0xc6/0x180 [ 167.940531][ T1280] ? afs_net_init+0xe90/0xe90 [ 167.945389][ T1280] cleanup_net+0xd73/0x1af0 [ 167.950024][ T1280] ? ops_init+0x7d0/0x7d0 [ 167.954487][ T1280] process_one_work+0x121c/0x1fc0 [ 167.959661][ T1280] worker_thread+0x10cc/0x2740 [ 167.964785][ T1280] ? kmsan_get_metadata+0x116/0x180 [ 167.970695][ T1280] ? kmsan_get_metadata+0x116/0x180 [ 167.976028][ T1280] kthread+0x51c/0x560 [ 167.980206][ T1280] ? process_one_work+0x1fc0/0x1fc0 [ 167.985534][ T1280] ? kthread_blkcg+0x110/0x110 [ 167.990401][ T1280] ret_from_fork+0x1f/0x30 [ 167.994890][ T1280] Modules linked in: [ 167.998877][ T1280] CR2: 000000000000009c [ 168.003124][ T1280] ---[ end trace afc526b419da25d5 ]--- [ 168.008688][ T1280] RIP: 0010:afs_unuse_cell+0x67/0x780 [ 168.014170][ T1280] Code: 4d 8b 6f 08 45 8b a7 88 0c 00 00 41 8b 87 90 0c 00 00 89 45 d4 e8 b9 d7 78 fd 49 8d 9e 9c 00 00 00 4d 85 ed 0f 85 30 04 00 00 <41> 8b 86 9c 00 00 00 89 45 8c 48 89 df e8 a7 f8 f7 fd 8b 18 8b 0a [ 168.033971][ T1280] RSP: 0018:ffff888105ea3a38 EFLAGS: 00010246 [ 168.040146][ T1280] RAX: ffffffff843e3717 RBX: 000000000000009c RCX: ffff88810466bd80 [ 168.048201][ T1280] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8881261d4400 [ 168.056269][ T1280] RBP: ffff888105ea3ac0 R08: ffffea000000000f R09: ffff88813fffa000 [ 168.064345][ T1280] R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000000000 [ 168.072401][ T1280] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88810466c780 [ 168.080487][ T1280] FS: 0000000000000000(0000) GS:ffff88813fd00000(0000) knlGS:0000000000000000 [ 168.089502][ T1280] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 168.096165][ T1280] CR2: 000000000000009c CR3: 0000000010829000 CR4: 00000000001506e0 [ 168.104227][ T1280] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 168.112278][ T1280] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 168.120322][ T1280] Kernel panic - not syncing: Fatal exception [ 168.126497][ T1280] Kernel Offset: disabled [ 168.130894][ T1280] Rebooting in 86400 seconds..