[ 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 '10.128.10.51' (ECDSA) to the list of known hosts. 2020/08/28 19:38:46 parsed 1 programs 2020/08/28 19:38:46 executed programs: 0 syzkaller login: [ 161.021556][ T6889] IPVS: ftp: loaded support on port[0] = 21 [ 161.196853][ T6889] chnl_net:caif_netlink_parms(): no params data found [ 161.257911][ T6889] bridge0: port 1(bridge_slave_0) entered blocking state [ 161.266533][ T6889] bridge0: port 1(bridge_slave_0) entered disabled state [ 161.275201][ T6889] device bridge_slave_0 entered promiscuous mode [ 161.284539][ T6889] bridge0: port 2(bridge_slave_1) entered blocking state [ 161.291632][ T6889] bridge0: port 2(bridge_slave_1) entered disabled state [ 161.300499][ T6889] device bridge_slave_1 entered promiscuous mode [ 161.320627][ T6889] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 161.331532][ T6889] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 161.354429][ T6889] team0: Port device team_slave_0 added [ 161.361718][ T6889] team0: Port device team_slave_1 added [ 161.379042][ T6889] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 161.386177][ T6889] 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. [ 161.413580][ T6889] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 161.427182][ T6889] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 161.434644][ T6889] 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. [ 161.461017][ T6889] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 161.488024][ T6889] device hsr_slave_0 entered promiscuous mode [ 161.494798][ T6889] device hsr_slave_1 entered promiscuous mode [ 161.588508][ T6889] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 161.599263][ T6889] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 161.615231][ T6889] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 161.626223][ T6889] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 161.650423][ T6889] bridge0: port 2(bridge_slave_1) entered blocking state [ 161.657598][ T6889] bridge0: port 2(bridge_slave_1) entered forwarding state [ 161.665565][ T6889] bridge0: port 1(bridge_slave_0) entered blocking state [ 161.672732][ T6889] bridge0: port 1(bridge_slave_0) entered forwarding state [ 161.720618][ T6889] 8021q: adding VLAN 0 to HW filter on device bond0 [ 161.735675][ T2539] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 161.745939][ T2539] bridge0: port 1(bridge_slave_0) entered disabled state [ 161.755815][ T2539] bridge0: port 2(bridge_slave_1) entered disabled state [ 161.764130][ T2539] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 161.776672][ T6889] 8021q: adding VLAN 0 to HW filter on device team0 [ 161.788277][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 161.798050][ T39] bridge0: port 1(bridge_slave_0) entered blocking state [ 161.805202][ T39] bridge0: port 1(bridge_slave_0) entered forwarding state [ 161.824934][ T7109] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 161.834010][ T7109] bridge0: port 2(bridge_slave_1) entered blocking state [ 161.841048][ T7109] bridge0: port 2(bridge_slave_1) entered forwarding state [ 161.863674][ T7109] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 161.872357][ T7109] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 161.881208][ T7109] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 161.890212][ T7109] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 161.900113][ T7110] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 161.911857][ T6889] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 161.930921][ T7110] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 161.940911][ T7110] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 161.954268][ T6889] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 161.973485][ T2539] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 161.993343][ T2539] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 162.001831][ T2539] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 162.011494][ T2539] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 162.022404][ T6889] device veth0_vlan entered promiscuous mode [ 162.036483][ T6889] device veth1_vlan entered promiscuous mode [ 162.065468][ T7110] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 162.074751][ T7110] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 162.084021][ T7110] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 162.096353][ T6889] device veth0_macvtap entered promiscuous mode [ 162.109874][ T6889] device veth1_macvtap entered promiscuous mode [ 162.131202][ T6889] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 162.139741][ T7110] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 162.149947][ T7110] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 162.161591][ T6889] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 162.170203][ T2539] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 162.182396][ T6889] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 162.192519][ T6889] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 162.201832][ T6889] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 162.210605][ T6889] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 163.063771][ T7109] Bluetooth: hci0: command 0x0409 tx timeout 2020/08/28 19:38:51 executed programs: 73 [ 165.142727][ T7109] Bluetooth: hci0: command 0x041b tx timeout [ 167.222600][ T7109] Bluetooth: hci0: command 0x040f tx timeout [ 168.623779][ T7783] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN [ 168.635523][ T7783] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] [ 168.643932][ T7783] CPU: 1 PID: 7783 Comm: syz-executor.0 Not tainted 5.9.0-rc1-syzkaller #0 [ 168.652505][ T7783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 168.662598][ T7783] RIP: 0010:__sock_release+0xbb/0x280 [ 168.667979][ T7783] Code: ff df 48 c1 ea 03 80 3c 02 00 0f 85 a5 01 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 20 49 8d 7c 24 10 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 8e 01 00 00 48 89 df 41 ff 54 24 10 48 8d 7b 18 [ 168.687578][ T7783] RSP: 0018:ffffc9000879fe28 EFLAGS: 00010202 [ 168.693637][ T7783] RAX: dffffc0000000000 RBX: ffff8880852e0a80 RCX: 1ffff920010f3f67 [ 168.701582][ T7783] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000010 [ 168.709541][ T7783] RBP: ffff8880852e0c20 R08: ffff8880852e0c20 R09: ffff8880852e0c33 [ 168.717589][ T7783] R10: ffffed1010a5c186 R11: 0000000000000000 R12: 0000000000000000 [ 168.725550][ T7783] R13: ffff8880852e0aa0 R14: 0000000000000000 R15: ffff888086faca48 [ 168.733507][ T7783] FS: 00007f6a086cf700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 168.742412][ T7783] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 168.748966][ T7783] CR2: 00007f6a086addb8 CR3: 00000000996d7000 CR4: 00000000001506e0 [ 168.756923][ T7783] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 168.764866][ T7783] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 168.772807][ T7783] Call Trace: [ 168.776076][ T7783] sock_close+0x18/0x20 [ 168.780303][ T7783] __fput+0x285/0x920 [ 168.784282][ T7783] ? __sock_release+0x280/0x280 [ 168.789105][ T7783] task_work_run+0xdd/0x190 [ 168.793597][ T7783] exit_to_user_mode_prepare+0x195/0x1c0 [ 168.799202][ T7783] syscall_exit_to_user_mode+0x59/0x2b0 [ 168.804718][ T7783] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 168.810663][ T7783] RIP: 0033:0x45d5b9 [ 168.814596][ T7783] Code: 5d b4 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 168.834303][ T7783] RSP: 002b:00007f6a086cec78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 [ 168.842688][ T7783] RAX: 0000000000000000 RBX: 0000000000002ac0 RCX: 000000000045d5b9 [ 168.850631][ T7783] RDX: 0000000000000004 RSI: 0000000000000001 RDI: 0000000000000005 [ 168.858583][ T7783] RBP: 000000000118cf88 R08: 0000000000000000 R09: 0000000000000000 [ 168.866536][ T7783] R10: 0000000020000000 R11: 0000000000000246 R12: 000000000118cf4c [ 168.874478][ T7783] R13: 00007ffdcd01a5af R14: 00007f6a086cf9c0 R15: 000000000118cf4c [ 168.882426][ T7783] Modules linked in: [ 168.886714][ T7783] ---[ end trace 1391386f73ce4814 ]--- [ 168.892184][ T7783] RIP: 0010:__sock_release+0xbb/0x280 [ 168.897607][ T7783] Code: ff df 48 c1 ea 03 80 3c 02 00 0f 85 a5 01 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 20 49 8d 7c 24 10 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 8e 01 00 00 48 89 df 41 ff 54 24 10 48 8d 7b 18 [ 168.917299][ T7783] RSP: 0018:ffffc9000879fe28 EFLAGS: 00010202 [ 168.923386][ T7783] RAX: dffffc0000000000 RBX: ffff8880852e0a80 RCX: 1ffff920010f3f67 [ 168.931345][ T7783] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000010 [ 168.939352][ T7783] RBP: ffff8880852e0c20 R08: ffff8880852e0c20 R09: ffff8880852e0c33 [ 168.947357][ T7783] R10: ffffed1010a5c186 R11: 0000000000000000 R12: 0000000000000000 [ 168.955367][ T7783] R13: ffff8880852e0aa0 R14: 0000000000000000 R15: ffff888086faca48 [ 168.963377][ T7783] FS: 00007f6a086cf700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 168.972336][ T7783] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 168.979232][ T7783] CR2: 00007f6a086addb8 CR3: 00000000996d7000 CR4: 00000000001506e0 [ 168.987248][ T7783] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 168.995322][ T7783] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 169.003369][ T7783] Kernel panic - not syncing: Fatal exception [ 169.010755][ T7783] Kernel Offset: disabled [ 169.015114][ T7783] Rebooting in 86400 seconds..