Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.13' (ECDSA) to the list of known hosts. 2020/07/17 18:17:29 parsed 1 programs 2020/07/17 18:17:30 executed programs: 0 syzkaller login: [ 54.818080][ T6853] IPVS: ftp: loaded support on port[0] = 21 [ 54.899097][ T6853] chnl_net:caif_netlink_parms(): no params data found [ 54.950589][ T6853] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.958315][ T6853] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.966219][ T6853] device bridge_slave_0 entered promiscuous mode [ 54.976725][ T6853] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.983932][ T6853] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.991923][ T6853] device bridge_slave_1 entered promiscuous mode [ 55.010265][ T6853] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.021449][ T6853] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.044421][ T6853] team0: Port device team_slave_0 added [ 55.052342][ T6853] team0: Port device team_slave_1 added [ 55.070512][ T6853] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 55.077664][ T6853] 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. [ 55.104454][ T6853] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 55.117014][ T6853] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 55.124118][ T6853] 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. [ 55.150705][ T6853] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 55.220505][ T6853] device hsr_slave_0 entered promiscuous mode [ 55.258682][ T6853] device hsr_slave_1 entered promiscuous mode [ 55.379931][ T6853] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.431815][ T6853] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.500245][ T6853] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.539699][ T6853] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 55.639788][ T6853] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.646919][ T6853] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.654922][ T6853] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.662065][ T6853] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.761577][ T6853] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.774246][ T7061] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.783993][ T7061] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.793350][ T7061] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.802424][ T7061] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 55.814960][ T6853] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.825727][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.834221][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.841343][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.852709][ T7061] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.862602][ T7061] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.869755][ T7061] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.889089][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.897730][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.909027][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.919449][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.934130][ T6853] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 55.945071][ T6853] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 55.957126][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.967502][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.975892][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.984704][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.006232][ T6853] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.014637][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.022944][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.030679][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.049506][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 56.058444][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 56.077156][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 56.086978][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 56.097929][ T6853] device veth0_vlan entered promiscuous mode [ 56.108282][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 56.116198][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 56.125871][ T6853] device veth1_vlan entered promiscuous mode [ 56.148711][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 56.156566][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 56.165911][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 56.174462][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 56.185644][ T6853] device veth0_macvtap entered promiscuous mode [ 56.196561][ T6853] device veth1_macvtap entered promiscuous mode [ 56.213198][ T6853] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 56.221867][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 56.230555][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 56.239340][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 56.249052][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 56.261823][ T6853] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 56.269315][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 56.278445][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 56.290658][ T6853] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.299711][ T6853] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.309236][ T6853] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.318170][ T6853] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.771466][ T0] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 56.771476][ T0] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 56.771490][ T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.8.0-rc5-next-20200716-syzkaller #0 [ 56.771497][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.771516][ T0] RIP: 0010:__switch_to_asm+0x0/0x40 [ 56.771530][ 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 [ 56.771536][ T0] RSP: 0018:ffffc90000d3fd90 EFLAGS: 00010046 [ 56.771548][ T0] RAX: dffffc0000000000 RBX: ffff8880ae735e18 RCX: 0000000000000000 [ 56.771556][ T0] RDX: 1ffff11015ce6bc2 RSI: ffff8880961021c0 RDI: ffff8880a95f6340 [ 56.771564][ T0] RBP: ffffc90000d3fe60 R08: 0000000000000001 R09: ffff8880a95f6c10 [ 56.771571][ T0] R10: fffffbfff1571bb9 R11: 0000000000000000 R12: ffff8880ae735e00 [ 56.771579][ T0] R13: ffff8880a95f6340 R14: ffff8880961021c0 R15: ffff8880a95f6770 [ 56.771590][ T0] FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 56.771598][ T0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.771606][ T0] CR2: 000056493113d520 CR3: 0000000091364000 CR4: 00000000001506e0 [ 56.771616][ T0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.771630][ T0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.771634][ T0] Call Trace: [ 56.771648][ T0] __schedule+0x8b4/0x1e80 [ 56.771663][ T0] ? io_schedule_timeout+0x140/0x140 [ 56.771678][ T0] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 56.771690][ T0] ? trace_hardirqs_on+0x5f/0x220 [ 56.771703][ T0] ? lockdep_hardirqs_on+0x6a/0xe0 [ 56.771715][ T0] schedule_idle+0x53/0x90 [ 56.771727][ T0] do_idle+0x323/0x6d0 [ 56.771741][ T0] ? arch_cpu_idle_exit+0x70/0x70 [ 56.771753][ T0] ? trace_hardirqs_on+0x5f/0x220 [ 56.771765][ T0] ? lockdep_hardirqs_on+0x6a/0xe0 [ 56.771779][ T0] cpu_startup_entry+0x14/0x20 [ 56.771791][ T0] secondary_startup_64+0xa4/0xb0 [ 56.771800][ T0] Modules linked in: [ 56.771817][ T0] ---[ end trace 84d64e66b47533ac ]--- [ 56.771831][ T0] RIP: 0010:__switch_to_asm+0x0/0x40 [ 56.771843][ 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 [ 56.771849][ T0] RSP: 0018:ffffc90000d3fd90 EFLAGS: 00010046 [ 56.771860][ T0] RAX: dffffc0000000000 RBX: ffff8880ae735e18 RCX: 0000000000000000 [ 56.771868][ T0] RDX: 1ffff11015ce6bc2 RSI: ffff8880961021c0 RDI: ffff8880a95f6340 [ 56.771876][ T0] RBP: ffffc90000d3fe60 R08: 0000000000000001 R09: ffff8880a95f6c10 [ 56.771883][ T0] R10: fffffbfff1571bb9 R11: 0000000000000000 R12: ffff8880ae735e00 [ 56.771890][ T0] R13: ffff8880a95f6340 R14: ffff8880961021c0 R15: ffff8880a95f6770 [ 56.771899][ T0] FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 56.771907][ T0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.771915][ T0] CR2: 000056493113d520 CR3: 0000000091364000 CR4: 00000000001506e0 [ 56.771924][ T0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.771931][ T0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.771938][ T0] Kernel panic - not syncing: Fatal exception [ 56.773139][ T0] Kernel Offset: disabled [ 57.113856][ T0] Rebooting in 86400 seconds..