[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.133' (ECDSA) to the list of known hosts. 2020/04/24 19:08:16 parsed 1 programs 2020/04/24 19:08:18 executed programs: 0 syzkaller login: [ 63.260465][ T7022] IPVS: ftp: loaded support on port[0] = 21 [ 63.360294][ T7022] chnl_net:caif_netlink_parms(): no params data found [ 63.416220][ T7022] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.423873][ T7022] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.432461][ T7022] device bridge_slave_0 entered promiscuous mode [ 63.441996][ T7022] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.449173][ T7022] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.457943][ T7022] device bridge_slave_1 entered promiscuous mode [ 63.478603][ T7022] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.489693][ T7022] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.512840][ T7022] team0: Port device team_slave_0 added [ 63.520851][ T7022] team0: Port device team_slave_1 added [ 63.539832][ T7022] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 63.546980][ T7022] 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. [ 63.573385][ T7022] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 63.585867][ T7022] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 63.592927][ T7022] 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. [ 63.619074][ T7022] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 63.674977][ T7022] device hsr_slave_0 entered promiscuous mode [ 63.721777][ T7022] device hsr_slave_1 entered promiscuous mode [ 63.854891][ T7022] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.914929][ T7022] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.984160][ T7022] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.064785][ T7022] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.137975][ T7022] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.145310][ T7022] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.153501][ T7022] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.160581][ T7022] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.210242][ T7022] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.225189][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.236843][ T17] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.245641][ T17] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.254541][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 64.268922][ T7022] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.279912][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.290087][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.297272][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.315418][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.323889][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.330957][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.351230][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.359902][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.369277][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.378194][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.387133][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.395902][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.404625][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.417342][ T7022] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.430141][ T7022] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.439471][ T2712] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.448772][ T2712] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.457682][ T2712] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.479146][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.486717][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.502670][ T7022] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.522967][ T2712] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.533168][ T2712] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.555165][ T2712] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.565465][ T2712] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.577078][ T7022] device veth0_vlan entered promiscuous mode [ 64.584596][ T2712] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.593054][ T2712] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.608018][ T7022] device veth1_vlan entered promiscuous mode [ 64.630500][ T2712] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 64.640199][ T2712] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 64.649467][ T2712] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 64.658983][ T2712] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 64.670827][ T7022] device veth0_macvtap entered promiscuous mode [ 64.685143][ T7022] device veth1_macvtap entered promiscuous mode [ 64.703512][ T7022] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.713002][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 64.721872][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 64.733053][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 64.742073][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 64.756224][ T7022] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.764568][ T2712] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 64.774989][ T2712] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 65.023155][ T7231] Bluetooth: Invalid esc byte 0x00 [ 65.106710][ T7234] general protection fault, probably for non-canonical address 0xdffffc0000000017: 0000 [#1] PREEMPT SMP KASAN [ 65.119004][ T7234] KASAN: null-ptr-deref in range [0x00000000000000b8-0x00000000000000bf] [ 65.127532][ T7234] CPU: 0 PID: 7234 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 65.136098][ T7234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.146158][ T7234] RIP: 0010:skb_put+0x2d/0x1c0 [ 65.151230][ T7234] Code: 56 41 55 41 54 41 89 f4 55 48 89 fd 4c 8d ad b8 00 00 00 53 e8 34 fd 58 fb 4c 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 36 [ 65.171192][ T7234] RSP: 0018:ffffc90001c77b90 EFLAGS: 00010206 [ 65.177296][ T7234] RAX: dffffc0000000000 RBX: ffffc90001c77d38 RCX: ffffffff858f63a8 [ 65.185370][ T7234] RDX: 0000000000000017 RSI: ffffffff861a315c RDI: 0000000000000000 [ 65.193540][ T7234] RBP: 0000000000000000 R08: ffff8880a92a45c0 R09: ffffed10150f275e [ 65.201992][ T7234] R10: ffff8880a8793aef R11: ffffed10150f275d R12: 0000000000000001 [ 65.210048][ T7234] R13: 00000000000000b8 R14: dffffc0000000000 R15: ffff8880a8793ae8 [ 65.218012][ T7234] FS: 00007f7607726700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 65.226926][ T7234] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.233643][ T7234] CR2: 0000000000000008 CR3: 00000000a8261000 CR4: 00000000001406f0 [ 65.241756][ T7234] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 65.252257][ T7234] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 65.260219][ T7234] Call Trace: [ 65.263509][ T7234] h5_recv+0x3a3/0x4d0 [ 65.267569][ T7234] ? h5_slip_one_byte+0x1c0/0x1c0 [ 65.272584][ T7234] ? call_rcu_tasks+0x7b/0x110 [ 65.277837][ T7234] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 65.283116][ T7234] hci_uart_tty_receive+0x275/0x750 [ 65.288392][ T7234] ? hci_uart_write_work+0x8b0/0x8b0 [ 65.294267][ T7234] tty_ioctl+0x905/0x1440 [ 65.298602][ T7234] ? tty_vhangup+0x30/0x30 [ 65.303447][ T7234] ? do_vfs_ioctl+0x4d0/0x12d0 [ 65.308194][ T7234] ? ioctl_file_clone+0x180/0x180 [ 65.314260][ T7234] ? __fget_files+0x32f/0x500 [ 65.318939][ T7234] ? ksys_dup3+0x3c0/0x3c0 [ 65.323347][ T7234] ? __x64_sys_futex+0x380/0x4f0 [ 65.328280][ T7234] ? tty_vhangup+0x30/0x30 [ 65.332869][ T7234] ksys_ioctl+0x11a/0x180 [ 65.337193][ T7234] __x64_sys_ioctl+0x6f/0xb0 [ 65.341784][ T7234] ? lockdep_hardirqs_on+0x463/0x620 [ 65.347154][ T7234] do_syscall_64+0xf6/0x7d0 [ 65.351659][ T7234] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 65.357657][ T7234] RIP: 0033:0x45c829 [ 65.361548][ T7234] Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 65.381141][ T7234] RSP: 002b:00007f7607725c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 65.389540][ T7234] RAX: ffffffffffffffda RBX: 00000000004eebc0 RCX: 000000000045c829 [ 65.397529][ T7234] RDX: 0000000020000140 RSI: 0000000000005412 RDI: 0000000000000003 [ 65.405498][ T7234] RBP: 000000000078bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 65.413500][ T7234] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 65.421509][ T7234] R13: 0000000000000584 R14: 00000000004c8192 R15: 00007f76077266d4 [ 65.429482][ T7234] Modules linked in: [ 65.438247][ T210] Bluetooth: : Too short H5 packet [ 65.438306][ T7234] ---[ end trace 9e5ffbc54e05db55 ]--- [ 65.448937][ T7234] RIP: 0010:skb_put+0x2d/0x1c0 [ 65.448943][ T210] Bluetooth: : Invalid header checksum [ 65.449005][ T210] Bluetooth: : Invalid header checksum [ 65.453845][ T7234] Code: 56 41 55 41 54 41 89 f4 55 48 89 fd 4c 8d ad b8 00 00 00 53 e8 34 fd 58 fb 4c 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 36 [ 65.487439][ T7234] RSP: 0018:ffffc90001c77b90 EFLAGS: 00010206 [ 65.493960][ T7234] RAX: dffffc0000000000 RBX: ffffc90001c77d38 RCX: ffffffff858f63a8 [ 65.502265][ T7234] RDX: 0000000000000017 RSI: ffffffff861a315c RDI: 0000000000000000 [ 65.510248][ T7234] RBP: 0000000000000000 R08: ffff8880a92a45c0 R09: ffffed10150f275e [ 65.518286][ T7234] R10: ffff8880a8793aef R11: ffffed10150f275d R12: 0000000000000001 [ 65.526596][ T7234] R13: 00000000000000b8 R14: dffffc0000000000 R15: ffff8880a8793ae8 [ 65.534671][ T7234] FS: 00007f7607726700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 65.543832][ T7234] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.543912][ T210] Bluetooth: : Invalid header checksum [ 65.552263][ T7234] CR2: 0000000000000008 CR3: 00000000a8261000 CR4: 00000000001406f0 [ 65.565169][ T7234] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 65.573499][ T7234] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 65.581532][ T7234] Kernel panic - not syncing: Fatal exception [ 65.588747][ T7234] Kernel Offset: disabled [ 65.593093][ T7234] Rebooting in 86400 seconds..