[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.245' (ECDSA) to the list of known hosts. 2020/07/11 13:24:52 parsed 1 programs 2020/07/11 13:24:52 executed programs: 0 syzkaller login: [ 41.081381][ T6812] IPVS: ftp: loaded support on port[0] = 21 [ 41.165832][ T6812] chnl_net:caif_netlink_parms(): no params data found [ 41.208599][ T6812] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.217075][ T6812] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.225240][ T6812] device bridge_slave_0 entered promiscuous mode [ 41.234445][ T6812] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.241504][ T6812] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.250203][ T6812] device bridge_slave_1 entered promiscuous mode [ 41.267495][ T6812] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 41.277979][ T6812] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 41.297187][ T6812] team0: Port device team_slave_0 added [ 41.304242][ T6812] team0: Port device team_slave_1 added [ 41.319301][ T6812] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.326320][ T6812] 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. [ 41.352321][ T6812] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 41.365064][ T6812] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 41.371991][ T6812] 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. [ 41.398899][ T6812] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 41.455397][ T6812] device hsr_slave_0 entered promiscuous mode [ 41.502705][ T6812] device hsr_slave_1 entered promiscuous mode [ 41.608855][ T6812] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 41.654931][ T6812] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 41.704163][ T6812] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 41.744159][ T6812] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 41.806320][ T6812] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.813578][ T6812] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.821177][ T6812] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.828410][ T6812] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.864795][ T6812] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.877155][ T2503] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.888039][ T2503] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.896413][ T2503] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.904643][ T2503] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 41.917901][ T6812] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.927937][ T2522] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.937636][ T2522] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.944725][ T2522] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.954866][ T2503] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.963833][ T2503] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.970856][ T2503] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.993230][ T2503] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.001526][ T2503] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 42.010758][ T2503] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.021867][ T6812] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 42.033995][ T6812] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 42.043610][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 42.051737][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.068574][ T2522] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 42.076161][ T2522] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 42.088258][ T6812] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 42.104946][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 42.121809][ T6812] device veth0_vlan entered promiscuous mode [ 42.129260][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 42.138860][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 42.146749][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 42.158341][ T6812] device veth1_vlan entered promiscuous mode [ 42.167332][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 42.187582][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 42.196463][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 42.206944][ T6812] device veth0_macvtap entered promiscuous mode [ 42.218466][ T6812] device veth1_macvtap entered promiscuous mode [ 42.237141][ T6812] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 42.244638][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 42.254165][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 42.261887][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 42.271382][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 42.282848][ T6812] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 42.294381][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 42.303795][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 42.819188][ T0] general protection fault, probably for non-canonical address 0x1ffff11015d26b1a: 0000 [#1] PREEMPT SMP KASAN [ 42.819199][ T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.8.0-rc4-syzkaller #0 [ 42.819204][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.819219][ T0] RIP: 0010:__switch_to_asm+0x0/0x40 [ 42.819227][ T0] Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 42.819237][ T0] RSP: 0018:ffffc90000d3fdd0 EFLAGS: 00010046 [ 42.819244][ T0] RAX: 1ffff11015d26b1a RBX: ffff8880ae9358c0 RCX: ffff8880a99f8340 [ 42.819250][ T0] RDX: ffff8880a99f8c08 RSI: ffff8880a9624540 RDI: ffff8880a99f8340 [ 42.819255][ T0] RBP: ffff88809a51cb40 R08: dffffc0000000000 R09: fffffbfff12da576 [ 42.819260][ T0] R10: fffffbfff12da576 R11: 0000000000000000 R12: ffff8880a99f8770 [ 42.819265][ T0] R13: dffffc0000000000 R14: 1ffff1101533f0ee R15: ffff8880a9624540 [ 42.819272][ T0] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 42.819278][ T0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.819283][ T0] CR2: 000000000078c000 CR3: 0000000096a73000 CR4: 00000000001406e0 [ 42.819290][ T0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.819295][ T0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.819298][ T0] Call Trace: [ 42.819310][ T0] __schedule+0x7d3/0xc40 [ 42.819323][ T0] schedule_idle+0x5c/0x90 [ 42.819333][ T0] do_idle+0x61a/0x650 [ 42.819345][ T0] cpu_startup_entry+0x15/0x20 [ 42.819353][ T0] start_secondary+0x1b2/0x1e0 [ 42.819363][ T0] secondary_startup_64+0xa4/0xb0 [ 42.819370][ T0] Modules linked in: [ 42.819381][ T0] ---[ end trace 198f19bef7c8db2d ]--- [ 42.819390][ T0] RIP: 0010:__switch_to_asm+0x0/0x40 [ 42.819397][ T0] Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 42.819401][ T0] RSP: 0018:ffffc90000d3fdd0 EFLAGS: 00010046 [ 42.819408][ T0] RAX: 1ffff11015d26b1a RBX: ffff8880ae9358c0 RCX: ffff8880a99f8340 [ 42.819413][ T0] RDX: ffff8880a99f8c08 RSI: ffff8880a9624540 RDI: ffff8880a99f8340 [ 42.819418][ T0] RBP: ffff88809a51cb40 R08: dffffc0000000000 R09: fffffbfff12da576 [ 42.819423][ T0] R10: fffffbfff12da576 R11: 0000000000000000 R12: ffff8880a99f8770 [ 42.819427][ T0] R13: dffffc0000000000 R14: 1ffff1101533f0ee R15: ffff8880a9624540 [ 42.819434][ T0] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 42.819439][ T0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.819444][ T0] CR2: 000000000078c000 CR3: 0000000096a73000 CR4: 00000000001406e0 [ 42.819449][ T0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.819453][ T0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.819458][ T0] Kernel panic - not syncing: Fatal exception [ 42.820728][ T0] Kernel Offset: disabled [ 43.121572][ T0] Rebooting in 86400 seconds..