[ 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 '10.128.1.55' (ECDSA) to the list of known hosts. syzkaller login: [ 60.994466][ T8474] IPVS: ftp: loaded support on port[0] = 21 [ 61.075036][ T8474] chnl_net:caif_netlink_parms(): no params data found [ 61.126923][ T8474] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.134340][ T8474] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.141967][ T8474] device bridge_slave_0 entered promiscuous mode [ 61.151342][ T8474] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.158912][ T8474] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.167262][ T8474] device bridge_slave_1 entered promiscuous mode [ 61.186780][ T8474] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.197689][ T8474] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.220078][ T8474] team0: Port device team_slave_0 added [ 61.227315][ T8474] team0: Port device team_slave_1 added [ 61.244882][ T8474] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 61.251810][ T8474] 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. [ 61.278666][ T8474] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 61.292307][ T8474] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 61.299249][ T8474] 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. [ 61.325420][ T8474] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 61.351533][ T8474] device hsr_slave_0 entered promiscuous mode [ 61.358369][ T8474] device hsr_slave_1 entered promiscuous mode [ 61.456148][ T8474] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 61.465877][ T8474] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 61.480548][ T8474] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 61.491632][ T8474] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 61.517361][ T8474] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.524499][ T8474] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.532189][ T8474] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.539244][ T8474] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.584203][ T8474] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.597196][ T3004] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.607989][ T3004] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.616799][ T3004] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.625168][ T3004] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 61.637947][ T8474] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.650018][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.658752][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.665867][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.677916][ T3004] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.687773][ T3004] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.694873][ T3004] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.714541][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.723649][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.743384][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.751784][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.761270][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.770934][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.790602][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.798108][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.812354][ T8474] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.832614][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 61.848984][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 61.857623][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 61.865652][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 61.876197][ T8474] device veth0_vlan entered promiscuous mode [ 61.888367][ T8474] device veth1_vlan entered promiscuous mode [ 61.909847][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 61.918512][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 61.927765][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 61.938563][ T8474] device veth0_macvtap entered promiscuous mode [ 61.948226][ T8474] device veth1_macvtap entered promiscuous mode [ 61.966509][ T8474] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 61.974951][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 61.985071][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 61.997564][ T8474] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 62.005655][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program executing program [ 62.017378][ T8474] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.027292][ T8474] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.036359][ T8474] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.045648][ T8474] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 62.102288][ C1] hrtimer: interrupt took 150251 ns executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 63.692588][ C1] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 63.704361][ C1] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 63.712753][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.10.0-rc7-syzkaller #0 [ 63.720749][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.730806][ C1] RIP: 0010:taprio_dequeue_soft+0x22e/0xa40 [ 63.736723][ C1] Code: 24 18 e8 d5 3e 4c fa 48 8b 44 24 10 80 38 00 0f 85 4c 07 00 00 48 8b 93 c0 02 00 00 49 63 c5 4c 8d 24 c2 4c 89 e0 48 c1 e8 03 <80> 3c 28 00 0f 85 3c 07 00 00 4d 8b 24 24 4d 85 e4 0f 84 87 03 00 [ 63.756305][ C1] RSP: 0018:ffffc90000d90e08 EFLAGS: 00010246 [ 63.762366][ C1] RAX: 0000000000000000 RBX: ffff8880282e3800 RCX: ffffffff8723c557 [ 63.770316][ C1] RDX: 0000000000000000 RSI: ffffffff8723c59b RDI: 0000000000000005 [ 63.778262][ C1] RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffffff8ebaf667 [ 63.786213][ C1] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 63.794160][ C1] R13: 0000000000000000 R14: 0000000000000401 R15: ffff88801917e000 [ 63.802104][ C1] FS: 0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 [ 63.811003][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.817560][ C1] CR2: 0000000020000600 CR3: 0000000013cdc000 CR4: 00000000001506e0 [ 63.825540][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.833483][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.841460][ C1] Call Trace: [ 63.844715][ C1] [ 63.847548][ C1] __qdisc_run+0x1ae/0x15e0 [ 63.852037][ C1] net_tx_action+0x4b9/0xbf0 [ 63.856619][ C1] __do_softirq+0x2a0/0x9f6 [ 63.861095][ C1] asm_call_irq_on_stack+0xf/0x20 [ 63.866092][ C1] [ 63.869019][ C1] do_softirq_own_stack+0xaa/0xd0 [ 63.874020][ C1] irq_exit_rcu+0x132/0x200 [ 63.878501][ C1] sysvec_apic_timer_interrupt+0x4d/0x100 [ 63.884214][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 63.890165][ C1] RIP: 0010:acpi_idle_do_entry+0x1c9/0x250 [ 63.895941][ C1] Code: 5d 07 88 f8 84 db 75 ac e8 44 0f 88 f8 e8 bf cd 8d f8 e9 0c 00 00 00 e8 35 0f 88 f8 0f 00 2d 9e 86 c0 00 e8 29 0f 88 f8 fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 84 07 88 f8 48 85 db [ 63.915518][ C1] RSP: 0018:ffffc90000d27d18 EFLAGS: 00000293 [ 63.921555][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 1ffffffff19d8e91 [ 63.929498][ C1] RDX: ffff888010d98000 RSI: ffffffff88e7f547 RDI: 0000000000000000 [ 63.937478][ C1] RBP: ffff888014e50064 R08: 0000000000000001 R09: 0000000000000001 [ 63.945422][ C1] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001 [ 63.953370][ C1] R13: ffff888014e50000 R14: ffff888014e50064 R15: ffff88801747a804 [ 63.961335][ C1] ? acpi_idle_do_entry+0x1c7/0x250 [ 63.966506][ C1] ? acpi_idle_do_entry+0x1c7/0x250 [ 63.971675][ C1] acpi_idle_enter+0x361/0x500 [ 63.976411][ C1] cpuidle_enter_state+0x1b1/0xc80 [ 63.981490][ C1] cpuidle_enter+0x4a/0xa0 [ 63.985880][ C1] do_idle+0x3e1/0x590 [ 63.989920][ C1] ? arch_cpu_idle_exit+0x30/0x30 [ 63.995020][ C1] ? _raw_spin_unlock_irqrestore+0x30/0x50 [ 64.000797][ C1] ? lockdep_hardirqs_on+0x79/0x100 [ 64.005983][ C1] cpu_startup_entry+0x14/0x20 [ 64.010729][ C1] start_secondary+0x266/0x340 [ 64.015478][ C1] ? set_cpu_sibling_map+0x2460/0x2460 [ 64.020907][ C1] secondary_startup_64_no_verify+0xb0/0xbb [ 64.026768][ C1] Modules linked in: [ 64.063755][ C1] ---[ end trace 86b7dd17b9a0a261 ]--- [ 64.069230][ C1] RIP: 0010:taprio_dequeue_soft+0x22e/0xa40 [ 64.075098][ C1] Code: 24 18 e8 d5 3e 4c fa 48 8b 44 24 10 80 38 00 0f 85 4c 07 00 00 48 8b 93 c0 02 00 00 49 63 c5 4c 8d 24 c2 4c 89 e0 48 c1 e8 03 <80> 3c 28 00 0f 85 3c 07 00 00 4d 8b 24 24 4d 85 e4 0f 84 87 03 00 [ 64.094680][ C1] RSP: 0018:ffffc90000d90e08 EFLAGS: 00010246 [ 64.104230][ C1] RAX: 0000000000000000 RBX: ffff8880282e3800 RCX: ffffffff8723c557 [ 64.113097][ C1] RDX: 0000000000000000 RSI: ffffffff8723c59b RDI: 0000000000000005 [ 64.121703][ C1] RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffffff8ebaf667 [ 64.130625][ C1] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 64.139424][ C1] R13: 0000000000000000 R14: 0000000000000401 R15: ffff88801917e000 [ 64.148200][ C1] FS: 0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 [ 64.157997][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.165279][ C1] CR2: 0000000020000600 CR3: 0000000013cdc000 CR4: 00000000001506e0 [ 64.174046][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 64.182825][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 64.191413][ C1] Kernel panic - not syncing: Fatal exception in interrupt [ 64.199145][ C1] Kernel Offset: disabled [ 64.203456][ C1] Rebooting in 86400 seconds..