[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.15.206' (ECDSA) to the list of known hosts. 2020/04/26 13:18:47 parsed 1 programs 2020/04/26 13:18:49 executed programs: 0 syzkaller login: [ 207.673333][ T26] audit: type=1400 audit(1587907129.251:8): avc: denied { execmem } for pid=7079 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 207.718148][ T7080] IPVS: ftp: loaded support on port[0] = 21 [ 207.812749][ T7080] chnl_net:caif_netlink_parms(): no params data found [ 207.866661][ T7080] bridge0: port 1(bridge_slave_0) entered blocking state [ 207.874222][ T7080] bridge0: port 1(bridge_slave_0) entered disabled state [ 207.882042][ T7080] device bridge_slave_0 entered promiscuous mode [ 207.893214][ T7080] bridge0: port 2(bridge_slave_1) entered blocking state [ 207.900758][ T7080] bridge0: port 2(bridge_slave_1) entered disabled state [ 207.908835][ T7080] device bridge_slave_1 entered promiscuous mode [ 207.929696][ T7080] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 207.940649][ T7080] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 207.963344][ T7080] team0: Port device team_slave_0 added [ 207.971101][ T7080] team0: Port device team_slave_1 added [ 207.989262][ T7080] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 207.996297][ T7080] 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. [ 208.022231][ T7080] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 208.036025][ T7080] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 208.043005][ T7080] 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. [ 208.069010][ T7080] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 208.138353][ T7080] device hsr_slave_0 entered promiscuous mode [ 208.194185][ T7080] device hsr_slave_1 entered promiscuous mode [ 208.342175][ T7080] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 208.417444][ T7080] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 208.486565][ T7080] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 208.546378][ T7080] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 208.631296][ T7080] bridge0: port 2(bridge_slave_1) entered blocking state [ 208.638589][ T7080] bridge0: port 2(bridge_slave_1) entered forwarding state [ 208.647333][ T7080] bridge0: port 1(bridge_slave_0) entered blocking state [ 208.654536][ T7080] bridge0: port 1(bridge_slave_0) entered forwarding state [ 208.709038][ T7080] 8021q: adding VLAN 0 to HW filter on device bond0 [ 208.722708][ T3499] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 208.733645][ T3499] bridge0: port 1(bridge_slave_0) entered disabled state [ 208.742974][ T3499] bridge0: port 2(bridge_slave_1) entered disabled state [ 208.751859][ T3499] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 208.766349][ T7080] 8021q: adding VLAN 0 to HW filter on device team0 [ 208.780863][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 208.790453][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 208.797588][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 208.815804][ T3499] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 208.824994][ T3499] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 208.833320][ T3499] bridge0: port 2(bridge_slave_1) entered blocking state [ 208.840446][ T3499] bridge0: port 2(bridge_slave_1) entered forwarding state [ 208.848190][ T3499] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 208.857310][ T3499] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 208.875395][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 208.885106][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 208.893438][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 208.902579][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 208.911391][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 208.920699][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 208.934865][ T7080] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 208.946671][ T7080] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 208.957836][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 208.966439][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 208.975237][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 208.994825][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 209.002266][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 209.016039][ T7080] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 209.034915][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 209.043608][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 209.064376][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 209.072897][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 209.085158][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 209.092919][ T2848] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 209.103335][ T7080] device veth0_vlan entered promiscuous mode [ 209.116410][ T7080] device veth1_vlan entered promiscuous mode [ 209.138724][ T3499] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 209.147382][ T3499] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 209.155911][ T3499] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 209.164629][ T3499] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 209.175556][ T7080] device veth0_macvtap entered promiscuous mode [ 209.188046][ T7080] device veth1_macvtap entered promiscuous mode [ 209.207065][ T7080] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 209.216539][ T3499] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 209.225302][ T3499] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 209.233445][ T3499] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 209.242673][ T3499] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 209.255431][ T7080] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 209.262962][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 209.274028][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 209.456641][ T7289] Bluetooth: Invalid esc byte 0x00 [ 209.558254][ T7292] general protection fault, probably for non-canonical address 0xdffffc0000000017: 0000 [#1] PREEMPT SMP KASAN [ 209.569977][ T7292] KASAN: null-ptr-deref in range [0x00000000000000b8-0x00000000000000bf] [ 209.578363][ T7292] CPU: 1 PID: 7292 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 209.586918][ T7292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 209.596959][ T7292] RIP: 0010:skb_put+0x2d/0x1c0 [ 209.601693][ T7292] Code: 56 41 55 41 54 41 89 f4 55 48 89 fd 4c 8d ad b8 00 00 00 53 e8 44 ed 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 [ 209.621267][ T7292] RSP: 0018:ffffc90001c27b90 EFLAGS: 00010206 [ 209.627392][ T7292] RAX: dffffc0000000000 RBX: ffffc90001c27d38 RCX: ffffffff858f6f58 [ 209.635688][ T7292] RDX: 0000000000000017 RSI: ffffffff861a415c RDI: 0000000000000000 [ 209.643646][ T7292] RBP: 0000000000000000 R08: ffff8880993c6300 R09: ffffed1011a9665e [ 209.651590][ T7292] R10: ffff88808d4b32ef R11: ffffed1011a9665d R12: 0000000000000001 [ 209.659535][ T7292] R13: 00000000000000b8 R14: dffffc0000000000 R15: ffff88808d4b32e8 [ 209.667481][ T7292] FS: 00007fd5b1354700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 209.676381][ T7292] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 209.682933][ T7292] CR2: 0000000000000008 CR3: 000000008a28c000 CR4: 00000000001406e0 [ 209.690927][ T7292] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 209.698880][ T7292] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 209.706838][ T7292] Call Trace: [ 209.710107][ T7292] h5_recv+0x3a3/0x4d0 [ 209.714161][ T7292] ? h5_slip_one_byte+0x1c0/0x1c0 [ 209.719171][ T7292] ? call_rcu_tasks+0x6b/0x110 [ 209.723915][ T7292] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 209.729203][ T7292] hci_uart_tty_receive+0x275/0x750 [ 209.735419][ T7292] ? hci_uart_write_work+0x8b0/0x8b0 [ 209.740673][ T7292] tty_ioctl+0x905/0x1440 [ 209.744977][ T7292] ? tty_vhangup+0x30/0x30 [ 209.749379][ T7292] ? do_vfs_ioctl+0x440/0x12d0 [ 209.754130][ T7292] ? ioctl_file_clone+0x180/0x180 [ 209.759140][ T7292] ? selinux_file_mprotect+0x610/0x610 [ 209.764571][ T7292] ? __fget_files+0x32f/0x500 [ 209.769218][ T7292] ? ksys_dup3+0x3c0/0x3c0 [ 209.773606][ T7292] ? __x64_sys_futex+0x380/0x4f0 [ 209.778529][ T7292] ? tty_vhangup+0x30/0x30 [ 209.782916][ T7292] ksys_ioctl+0x11a/0x180 [ 209.787236][ T7292] __x64_sys_ioctl+0x6f/0xb0 [ 209.791796][ T7292] ? lockdep_hardirqs_on+0x463/0x620 [ 209.797357][ T7292] do_syscall_64+0xf6/0x7d0 [ 209.801839][ T7292] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 209.807706][ T7292] RIP: 0033:0x45c829 [ 209.811586][ T7292] 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 [ 209.831507][ T7292] RSP: 002b:00007fd5b1353c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 209.839900][ T7292] RAX: ffffffffffffffda RBX: 00000000004eebc0 RCX: 000000000045c829 [ 209.847843][ T7292] RDX: 0000000020000140 RSI: 0000000000005412 RDI: 0000000000000003 [ 209.855823][ T7292] RBP: 000000000078bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 209.863773][ T7292] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 209.871733][ T7292] R13: 0000000000000584 R14: 00000000004c8192 R15: 00007fd5b13546d4 [ 209.879695][ T7292] Modules linked in: [ 209.888889][ T38] Bluetooth: : Too short H5 packet [ 209.898078][ T7292] ---[ end trace 69b567f8ada39c6e ]--- [ 209.899316][ T38] Bluetooth: : Invalid header checksum [ 209.903536][ T7292] RIP: 0010:skb_put+0x2d/0x1c0 [ 209.903552][ T7292] Code: 56 41 55 41 54 41 89 f4 55 48 89 fd 4c 8d ad b8 00 00 00 53 e8 44 ed 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 [ 209.910311][ T38] Bluetooth: : Invalid header checksum [ 209.914505][ T7292] RSP: 0018:ffffc90001c27b90 EFLAGS: 00010206 [ 209.945543][ T7292] RAX: dffffc0000000000 RBX: ffffc90001c27d38 RCX: ffffffff858f6f58 [ 209.953492][ T7292] RDX: 0000000000000017 RSI: ffffffff861a415c RDI: 0000000000000000 [ 209.962705][ T7292] RBP: 0000000000000000 R08: ffff8880993c6300 R09: ffffed1011a9665e [ 209.970728][ T7292] R10: ffff88808d4b32ef R11: ffffed1011a9665d R12: 0000000000000001 [ 209.978839][ T7292] R13: 00000000000000b8 R14: dffffc0000000000 R15: ffff88808d4b32e8 [ 209.986851][ T7292] FS: 00007fd5b1354700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 209.995909][ T7292] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 209.995964][ T21] Bluetooth: : Invalid header checksum [ 210.002504][ T7292] CR2: 0000000000000008 CR3: 000000008a28c000 CR4: 00000000001406e0 [ 210.002514][ T7292] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 210.002525][ T7292] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 210.032383][ T7292] Kernel panic - not syncing: Fatal exception [ 210.040001][ T7292] Kernel Offset: disabled [ 210.044333][ T7292] Rebooting in 86400 seconds..