[ 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 '10.128.0.116' (ECDSA) to the list of known hosts. syzkaller login: [ 60.109205][ T6817] IPVS: ftp: loaded support on port[0] = 21 [ 60.189773][ T6817] chnl_net:caif_netlink_parms(): no params data found [ 60.240129][ T6817] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.247620][ T6817] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.256009][ T6817] device bridge_slave_0 entered promiscuous mode [ 60.265285][ T6817] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.272515][ T6817] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.280326][ T6817] device bridge_slave_1 entered promiscuous mode [ 60.300092][ T6817] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.311523][ T6817] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.333591][ T6817] team0: Port device team_slave_0 added [ 60.341016][ T6817] team0: Port device team_slave_1 added [ 60.358411][ T6817] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 60.365368][ T6817] 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. [ 60.391883][ T6817] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 60.404196][ T6817] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 60.411239][ T6817] 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. [ 60.437226][ T6817] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.511335][ T6817] device hsr_slave_0 entered promiscuous mode [ 60.548434][ T6817] device hsr_slave_1 entered promiscuous mode [ 60.681176][ T6817] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.730875][ T6817] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.800724][ T6817] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.851030][ T6817] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.924347][ T6817] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.931518][ T6817] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.939485][ T6817] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.946544][ T6817] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.993015][ T6817] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.005712][ T2500] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.016290][ T2500] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.024418][ T2500] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.033235][ T2500] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 61.046224][ T6817] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.057105][ T2562] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.066629][ T2562] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.073757][ T2562] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.086301][ T2500] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.096578][ T2500] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.103689][ T2500] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.129441][ T2562] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.139014][ T2562] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.147574][ T2562] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.161916][ T6817] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.173909][ T6817] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.183678][ T2478] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.192356][ T2478] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.212249][ T2500] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.219753][ T2500] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.233800][ T6817] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.259472][ T2478] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 61.269373][ T2478] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 61.287563][ T2500] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 61.296808][ T2500] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 61.307624][ T6817] device veth0_vlan entered promiscuous mode [ 61.314774][ T2488] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 61.323385][ T2488] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 61.335845][ T6817] device veth1_vlan entered promiscuous mode [ 61.357547][ T2488] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 61.365650][ T2488] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 61.375170][ T2488] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 61.384312][ T2488] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 61.396962][ T6817] device veth0_macvtap entered promiscuous mode [ 61.407056][ T6817] device veth1_macvtap entered promiscuous mode [ 61.423851][ T6817] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 61.431474][ T2478] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 61.440662][ T2478] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 61.449064][ T2478] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 61.457658][ T2478] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 61.471892][ T6817] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 61.481224][ T2562] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 61.491408][ T2562] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 61.503149][ T6817] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.512256][ T6817] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.521808][ T6817] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.530606][ T6817] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 61.688929][ T6817] IPv6: ADDRCONF(NETDEV_CHANGE): rose0: link becomes ready [ 61.798339][ C0] general protection fault, probably for non-canonical address 0xdffffc000000006a: 0000 [#1] PREEMPT SMP KASAN [ 61.810066][ C0] KASAN: null-ptr-deref in range [0x0000000000000350-0x0000000000000357] [ 61.818471][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.8.0-rc4-syzkaller #0 [ 61.826344][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.836427][ C0] RIP: 0010:rose_send_frame+0x1dd/0x2f0 [ 61.841949][ C0] Code: 48 c1 ea 03 80 3c 02 00 0f 85 06 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 6b 20 48 8d bd 50 03 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 ea 00 00 00 4c 8b bd 50 03 00 00 e9 77 fe ff ff [ 61.861529][ C0] RSP: 0018:ffffc90000007b18 EFLAGS: 00010206 [ 61.867566][ C0] RAX: dffffc0000000000 RBX: ffff888214872800 RCX: ffffffff87116383 [ 61.875533][ C0] RDX: 000000000000006a RSI: ffffffff871164f2 RDI: 0000000000000350 [ 61.883479][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff888094b63ce3 [ 61.891424][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888214872800 [ 61.899370][ C0] R13: 0000000000000078 R14: ffff8880a7ceb1c0 R15: 0000000000000010 [ 61.907326][ C0] FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 61.916242][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.922798][ C0] CR2: 0000000020000190 CR3: 0000000093e9e000 CR4: 00000000001406f0 [ 61.930743][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.938699][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.946640][ C0] Call Trace: [ 61.949893][ C0] [ 61.952721][ C0] rose_transmit_clear_request+0x1d5/0x290 [ 61.958509][ C0] ? lockdep_hardirqs_on+0x6a/0xe0 [ 61.963616][ C0] rose_rx_call_request+0x4bd/0x1978 [ 61.968874][ C0] ? rose_release+0x4c0/0x4c0 [ 61.973525][ C0] rose_loopback_timer+0x15d/0x470 [ 61.978618][ C0] call_timer_fn+0x1ac/0x760 [ 61.983214][ C0] ? rose_link_rx_restart.cold+0xaa/0xaa [ 61.988821][ C0] ? add_timer_on+0x490/0x490 [ 61.993488][ C0] ? lock_downgrade+0x820/0x820 [ 61.998319][ C0] ? _raw_spin_unlock_irq+0x1f/0x80 [ 62.003514][ C0] ? lockdep_hardirqs_on_prepare+0x1bc/0x590 [ 62.009465][ C0] ? trace_hardirqs_on+0x5f/0x220 [ 62.014471][ C0] ? rose_link_rx_restart.cold+0xaa/0xaa [ 62.020078][ C0] __run_timers.part.0+0x54c/0xa20 [ 62.025162][ C0] ? call_timer_fn+0x760/0x760 [ 62.029917][ C0] ? clockevents_program_event+0x12b/0x350 [ 62.035706][ C0] ? kvm_sched_clock_read+0x14/0x40 [ 62.040879][ C0] ? sched_clock+0x2a/0x40 [ 62.045277][ C0] ? sched_clock_cpu+0x18/0x1b0 [ 62.050100][ C0] run_timer_softirq+0xae/0x1a0 [ 62.054922][ C0] __do_softirq+0x34c/0xa60 [ 62.059400][ C0] asm_call_on_stack+0xf/0x20 [ 62.064051][ C0] [ 62.066965][ C0] do_softirq_own_stack+0x111/0x170 [ 62.072136][ C0] irq_exit_rcu+0x229/0x270 [ 62.076620][ C0] sysvec_apic_timer_interrupt+0x54/0x120 [ 62.082326][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 62.088292][ C0] RIP: 0010:native_safe_halt+0xe/0x10 [ 62.093639][ C0] Code: ff 4c 89 ef e8 e3 2d c8 f9 e9 8e fe ff ff 48 89 df e8 d6 2d c8 f9 eb 8a cc cc cc cc e9 07 00 00 00 0f 00 2d 14 c3 5d 00 fb f4 90 e9 07 00 00 00 0f 00 2d 04 c3 5d 00 f4 c3 cc cc 55 53 e8 a9 [ 62.113228][ C0] RSP: 0018:ffffffff89a07c70 EFLAGS: 00000293 [ 62.119271][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 62.127310][ C0] RDX: ffffffff89a86580 RSI: ffffffff87eaf8a8 RDI: ffffffff87eaf87e [ 62.135267][ C0] RBP: ffff8880a6a02064 R08: 0000000000000000 R09: 0000000000000000 [ 62.143221][ C0] R10: 0000000000000001 R11: 0000000000000000 R12: ffff8880a6a02064 [ 62.151175][ C0] R13: 1ffffffff1340f98 R14: ffff8880a6a02065 R15: 0000000000000001 [ 62.159132][ C0] ? acpi_safe_halt+0x88/0x110 [ 62.163878][ C0] ? acpi_safe_halt+0x5e/0x110 [ 62.168616][ C0] acpi_safe_halt+0x8d/0x110 [ 62.173175][ C0] acpi_idle_do_entry+0x15c/0x1b0 [ 62.178180][ C0] acpi_idle_enter+0x3f9/0xab0 [ 62.182926][ C0] ? acpi_idle_enter_bm+0x2d0/0x2d0 [ 62.188110][ C0] ? kvm_sched_clock_read+0x14/0x40 [ 62.193279][ C0] ? sched_clock+0x2a/0x40 [ 62.197679][ C0] ? sched_clock_cpu+0x18/0x1b0 [ 62.202506][ C0] cpuidle_enter_state+0xff/0x960 [ 62.207504][ C0] cpuidle_enter+0x4a/0xa0 [ 62.211907][ C0] do_idle+0x431/0x6d0 [ 62.215956][ C0] ? arch_cpu_idle_exit+0x70/0x70 [ 62.221026][ C0] ? trace_init_perf_perm_irq_work_exit+0xe/0xe [ 62.227264][ C0] cpu_startup_entry+0x14/0x20 [ 62.232015][ C0] start_kernel+0x9cb/0xa06 [ 62.236503][ C0] ? mem_encrypt_init+0x5/0x5 [ 62.241155][ C0] ? x86_cpuid_vendor+0x84/0x90 [ 62.245977][ C0] ? __sanitizer_cov_trace_switch+0x45/0x70 [ 62.251844][ C0] ? load_ucode_bsp+0x1b7/0x1f7 [ 62.256679][ C0] secondary_startup_64+0xa4/0xb0 [ 62.261672][ C0] Modules linked in: [ 62.265607][ C0] ---[ end trace 7a78d45e35299a89 ]--- [ 62.271080][ C0] RIP: 0010:rose_send_frame+0x1dd/0x2f0 [ 62.276619][ C0] Code: 48 c1 ea 03 80 3c 02 00 0f 85 06 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 6b 20 48 8d bd 50 03 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 ea 00 00 00 4c 8b bd 50 03 00 00 e9 77 fe ff ff [ 62.296274][ C0] RSP: 0018:ffffc90000007b18 EFLAGS: 00010206 [ 62.302381][ C0] RAX: dffffc0000000000 RBX: ffff888214872800 RCX: ffffffff87116383 [ 62.310376][ C0] RDX: 000000000000006a RSI: ffffffff871164f2 RDI: 0000000000000350 [ 62.318378][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff888094b63ce3 [ 62.326351][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888214872800 [ 62.334341][ C0] R13: 0000000000000078 R14: ffff8880a7ceb1c0 R15: 0000000000000010 [ 62.342353][ C0] FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 62.351323][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.357942][ C0] CR2: 0000000020000190 CR3: 0000000093e9e000 CR4: 00000000001406f0 [ 62.365929][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.374877][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.382875][ C0] Kernel panic - not syncing: Fatal exception in interrupt [ 62.391044][ C0] Kernel Offset: disabled [ 62.395368][ C0] Rebooting in 86400 seconds..