Warning: Permanently added '10.128.1.40' (ECDSA) to the list of known hosts. 2020/08/29 05:20:21 parsed 1 programs 2020/08/29 05:20:22 executed programs: 0 syzkaller login: [ 33.434625] audit: type=1400 audit(1598678422.082:8): avc: denied { execmem } for pid=6360 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 34.601947] IPVS: ftp: loaded support on port[0] = 21 [ 34.676346] chnl_net:caif_netlink_parms(): no params data found [ 34.746071] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.752627] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.760419] device bridge_slave_0 entered promiscuous mode [ 34.768129] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.774778] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.781748] device bridge_slave_1 entered promiscuous mode [ 34.798387] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 34.807214] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 34.825684] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 34.833201] team0: Port device team_slave_0 added [ 34.838615] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 34.846018] team0: Port device team_slave_1 added [ 34.860578] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 34.867027] 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. [ 34.892417] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 34.904281] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 34.910529] 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. [ 34.935749] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 34.946359] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 34.954026] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 34.972021] device hsr_slave_0 entered promiscuous mode [ 34.977681] device hsr_slave_1 entered promiscuous mode [ 34.984519] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 34.991506] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 35.052710] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.059140] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.066144] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.072501] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.100076] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 35.107373] 8021q: adding VLAN 0 to HW filter on device bond0 [ 35.116657] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 35.126210] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 35.144793] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.151944] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.162094] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 35.168390] 8021q: adding VLAN 0 to HW filter on device team0 [ 35.177417] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 35.185611] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.191988] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.204680] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 35.212309] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.218723] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.233420] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 35.241110] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 35.249236] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 35.259734] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 35.270092] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 35.281308] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 35.287529] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 35.294854] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 35.310183] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 35.318055] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 35.324809] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 35.335825] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 35.386079] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 35.395681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 35.426324] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 35.434186] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 35.440557] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 35.449885] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 35.457926] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 35.464884] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 35.473723] device veth0_vlan entered promiscuous mode [ 35.481899] device veth1_vlan entered promiscuous mode [ 35.488246] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 35.496699] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 35.507571] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 35.517344] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 35.524840] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 35.531937] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 35.541421] device veth0_macvtap entered promiscuous mode [ 35.547541] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 35.555946] device veth1_macvtap entered promiscuous mode [ 35.564674] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 35.574487] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 35.584606] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 35.591259] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 35.600048] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 35.609253] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 35.616325] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 35.672586] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 36.612702] Bluetooth: hci0 command 0x0409 tx timeout 2020/08/29 05:20:27 executed programs: 157 [ 38.690915] Bluetooth: hci0 command 0x041b tx timeout [ 40.770060] Bluetooth: hci0 command 0x040f tx timeout [ 42.848758] Bluetooth: hci0 command 0x0419 tx timeout 2020/08/29 05:20:32 executed programs: 449 2020/08/29 05:20:37 executed programs: 850 [ 49.806188] kasan: CONFIG_KASAN_INLINE enabled [ 49.811197] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 49.818784] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 49.825082] Modules linked in: [ 49.828260] CPU: 0 PID: 10257 Comm: syz-executor.0 Not tainted 4.14.195-syzkaller #0 [ 49.836144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.845583] task: ffff8880a80c21c0 task.stack: ffff8880a7e18000 [ 49.851652] RIP: 0010:tty_release+0xf0/0xe20 [ 49.856042] RSP: 0018:ffff8880a7e1fd80 EFLAGS: 00010246 [ 49.861404] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 49.868660] RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff8880a81716e0 [ 49.875917] RBP: ffff8880a8171280 R08: ffffffff8a088e20 R09: 0000000000000001 [ 49.883282] R10: 0000000000000000 R11: ffff8880a80c21c0 R12: ffff8880a4788638 [ 49.890549] R13: ffff88808eadc07c R14: ffffffff834296d0 R15: ffff8880a6972b40 [ 49.897812] FS: 0000000002a3b940(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 [ 49.906180] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.912052] CR2: 00007fd7925fcdb8 CR3: 000000008e3ed000 CR4: 00000000001406f0 [ 49.919303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.926554] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.933824] Call Trace: [ 49.936396] ? ima_file_free+0x4f/0x330 [ 49.940353] ? do_tty_hangup+0x30/0x30 [ 49.944239] __fput+0x25f/0x7a0 [ 49.947498] task_work_run+0x11f/0x190 [ 49.951364] exit_to_usermode_loop+0x1ad/0x200 [ 49.955940] do_syscall_64+0x4a3/0x640 [ 49.959808] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 49.964991] RIP: 0033:0x416f01 [ 49.968174] RSP: 002b:00007ffd7c687970 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 49.975856] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000416f01 [ 49.983115] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 0000000000000003 [ 49.990382] RBP: 0000000000000000 R08: 0000000001190370 R09: 0000000000000000 [ 49.997629] R10: 00007ffd7c687a50 R11: 0000000000000293 R12: 0000000001190378 [ 50.004881] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000000118cf4c [ 50.012167] Code: df 48 c1 ea 03 80 3c 02 00 0f 85 10 0c 00 00 48 8b 04 24 48 8b 98 90 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 ab 0b 00 00 48 8b 04 24 48 8b 1b 48 8d 78 20 [ 50.031375] RIP: tty_release+0xf0/0xe20 RSP: ffff8880a7e1fd80 [ 50.038049] ---[ end trace bd2c1b24b9418f5a ]--- [ 50.042797] Kernel panic - not syncing: Fatal exception [ 50.049503] Kernel Offset: disabled [ 50.053118] Rebooting in 86400 seconds..