[ 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. Starting Load/Save RF Kill Switch Status... Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.213' (ECDSA) to the list of known hosts. syzkaller login: [ 63.639917][ T6813] IPVS: ftp: loaded support on port[0] = 21 [ 63.716411][ T6813] chnl_net:caif_netlink_parms(): no params data found [ 63.765891][ T6813] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.773788][ T6813] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.781750][ T6813] device bridge_slave_0 entered promiscuous mode [ 63.790347][ T6813] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.798272][ T6813] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.806405][ T6813] device bridge_slave_1 entered promiscuous mode [ 63.825290][ T6813] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.838269][ T6813] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.859960][ T6813] team0: Port device team_slave_0 added [ 63.867925][ T6813] team0: Port device team_slave_1 added [ 63.885704][ T6813] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 63.892736][ T6813] 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. [ 63.922586][ T6813] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 63.934912][ T6813] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 63.942777][ T6813] 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. [ 63.968852][ T6813] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 64.034327][ T6813] device hsr_slave_0 entered promiscuous mode [ 64.071720][ T6813] device hsr_slave_1 entered promiscuous mode [ 64.206894][ T6813] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.254115][ T6813] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.314118][ T6813] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.383629][ T6813] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.448360][ T6813] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.455674][ T6813] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.463694][ T6813] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.473376][ T6813] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.520325][ T6813] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.534132][ T2491] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.547076][ T2491] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.555761][ T2491] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.565167][ T2491] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 64.578632][ T6813] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.589684][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.599166][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.606283][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.621911][ T2491] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.630376][ T2491] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.637506][ T2491] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.661045][ T6813] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 64.672207][ T6813] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.688544][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.698022][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.710082][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.722487][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.732937][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.743650][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.771087][ T6813] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.779910][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.789860][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.814666][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.825231][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.842937][ T2491] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.852977][ T2491] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.862511][ T2491] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.870594][ T2491] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.879734][ T6813] device veth0_vlan entered promiscuous mode [ 64.893183][ T6813] device veth1_vlan entered promiscuous mode [ 64.914647][ T2491] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 64.924418][ T2491] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 64.940505][ T2491] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 64.955322][ T2491] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 64.967220][ T6813] device veth0_macvtap entered promiscuous mode [ 64.982323][ T6813] device veth1_macvtap entered promiscuous mode [ 64.999329][ T6813] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 65.007366][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 65.016591][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 65.025600][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 65.034733][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 65.046339][ T6813] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 65.054889][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 65.064205][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 65.229563][ T6813] IPv6: ADDRCONF(NETDEV_CHANGE): rose0: link becomes ready [ 65.341663][ C0] general protection fault, probably for non-canonical address 0xdffffc000000006a: 0000 [#1] PREEMPT SMP KASAN [ 65.354604][ C0] KASAN: null-ptr-deref in range [0x0000000000000350-0x0000000000000357] [ 65.363028][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.8.0-rc6-syzkaller #0 [ 65.370894][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.380967][ C0] RIP: 0010:rose_send_frame+0x1dd/0x2f0 [ 65.389012][ 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 [ 65.409250][ C0] RSP: 0018:ffffc90000007b18 EFLAGS: 00010206 [ 65.416358][ C0] RAX: dffffc0000000000 RBX: ffff8880995ff400 RCX: ffffffff870f52a3 [ 65.424309][ C0] RDX: 000000000000006a RSI: ffffffff870f5412 RDI: 0000000000000350 [ 65.432378][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff8880995ff8e3 [ 65.440387][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880995ff400 [ 65.448352][ C0] R13: 0000000000000078 R14: ffff88809dbfc980 R15: 0000000000000010 [ 65.457261][ C0] FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 65.466193][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.472872][ C0] CR2: 0000000020000190 CR3: 0000000093430000 CR4: 00000000001406f0 [ 65.482183][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 65.490309][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 65.498257][ C0] Call Trace: [ 65.501536][ C0] [ 65.504496][ C0] rose_transmit_clear_request+0x1d5/0x290 [ 65.510458][ C0] ? lockdep_hardirqs_on+0x6a/0xe0 [ 65.515559][ C0] rose_rx_call_request+0x4bd/0x1978 [ 65.520833][ C0] ? rose_release+0x4c0/0x4c0 [ 65.526257][ C0] rose_loopback_timer+0x15d/0x470 [ 65.531886][ C0] call_timer_fn+0x1ac/0x760 [ 65.536475][ C0] ? rose_link_rx_restart.cold+0xaa/0xaa [ 65.542176][ C0] ? add_timer_on+0x4d0/0x4d0 [ 65.547268][ C0] ? lock_downgrade+0x820/0x820 [ 65.552456][ C0] ? _raw_spin_unlock_irq+0x1f/0x80 [ 65.557879][ C0] ? lockdep_hardirqs_on_prepare+0x1bc/0x590 [ 65.563859][ C0] ? trace_hardirqs_on+0x5f/0x220 [ 65.568867][ C0] ? rose_link_rx_restart.cold+0xaa/0xaa [ 65.574521][ C0] __run_timers.part.0+0x54c/0xa20 [ 65.581028][ C0] ? call_timer_fn+0x760/0x760 [ 65.585774][ C0] ? clockevents_program_event+0x12b/0x350 [ 65.591934][ C0] ? kvm_sched_clock_read+0x14/0x40 [ 65.598858][ C0] ? sched_clock+0x2a/0x40 [ 65.603858][ C0] ? sched_clock_cpu+0x18/0x1b0 [ 65.608773][ C0] run_timer_softirq+0xae/0x1a0 [ 65.613775][ C0] __do_softirq+0x34c/0xa60 [ 65.618272][ C0] asm_call_on_stack+0xf/0x20 [ 65.622921][ C0] [ 65.626490][ C0] do_softirq_own_stack+0x111/0x170 [ 65.631667][ C0] irq_exit_rcu+0x229/0x270 [ 65.636146][ C0] sysvec_apic_timer_interrupt+0x54/0x120 [ 65.642901][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 65.648855][ C0] RIP: 0010:native_safe_halt+0xe/0x10 [ 65.654218][ C0] Code: ff 4c 89 ef e8 33 c9 ca f9 e9 8e fe ff ff 48 89 df e8 26 c9 ca f9 eb 8a cc cc cc cc e9 07 00 00 00 0f 00 2d 74 5f 60 00 fb f4 90 e9 07 00 00 00 0f 00 2d 64 5f 60 00 f4 c3 cc cc 55 53 e8 29 [ 65.673799][ C0] RSP: 0018:ffffffff89a07c70 EFLAGS: 00000293 [ 65.679846][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 65.687808][ C0] RDX: ffffffff89a86580 RSI: ffffffff87e85c48 RDI: ffffffff87e85c1e [ 65.696226][ C0] RBP: ffff88821ae59864 R08: 0000000000000000 R09: 0000000000000000 [ 65.704184][ C0] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88821ae59864 [ 65.712136][ C0] R13: 1ffffffff1340f98 R14: ffff88821ae59865 R15: 0000000000000001 [ 65.720122][ C0] ? acpi_safe_halt+0x88/0x110 [ 65.725057][ C0] ? acpi_safe_halt+0x5e/0x110 [ 65.729825][ C0] acpi_safe_halt+0x8d/0x110 [ 65.734408][ C0] acpi_idle_do_entry+0x15c/0x1b0 [ 65.739410][ C0] acpi_idle_enter+0x3f9/0xab0 [ 65.744184][ C0] ? acpi_idle_enter_bm+0x2d0/0x2d0 [ 65.749373][ C0] ? kvm_sched_clock_read+0x14/0x40 [ 65.755040][ C0] ? sched_clock+0x2a/0x40 [ 65.761155][ C0] ? sched_clock_cpu+0x18/0x1b0 [ 65.767966][ C0] cpuidle_enter_state+0xff/0x960 [ 65.773411][ C0] ? tick_nohz_idle_enter+0x238/0x360 [ 65.781739][ C0] cpuidle_enter+0x4a/0xa0 [ 65.787301][ C0] do_idle+0x431/0x6d0 [ 65.794437][ C0] ? arch_cpu_idle_exit+0x70/0x70 [ 65.801001][ C0] ? trace_init_perf_perm_irq_work_exit+0xe/0xe [ 65.807616][ C0] cpu_startup_entry+0x14/0x20 [ 65.813126][ C0] start_kernel+0x9cb/0xa06 [ 65.818679][ C0] ? mem_encrypt_init+0x5/0x5 [ 65.825210][ C0] ? x86_cpuid_vendor+0x84/0x90 [ 65.831410][ C0] ? __sanitizer_cov_trace_switch+0x45/0x70 [ 65.838058][ C0] ? load_ucode_bsp+0x1b7/0x1f7 [ 65.844613][ C0] secondary_startup_64+0xa4/0xb0 [ 65.852732][ C0] Modules linked in: [ 65.860421][ C0] ---[ end trace 279b9ab81f278f55 ]--- [ 65.867439][ C0] RIP: 0010:rose_send_frame+0x1dd/0x2f0 [ 65.873929][ 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 [ 65.905365][ C0] RSP: 0018:ffffc90000007b18 EFLAGS: 00010206 [ 65.912337][ C0] RAX: dffffc0000000000 RBX: ffff8880995ff400 RCX: ffffffff870f52a3 [ 65.921802][ C0] RDX: 000000000000006a RSI: ffffffff870f5412 RDI: 0000000000000350 [ 65.931041][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff8880995ff8e3 [ 65.939623][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880995ff400 [ 65.954458][ C0] R13: 0000000000000078 R14: ffff88809dbfc980 R15: 0000000000000010 [ 65.963646][ C0] FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 65.973331][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.981893][ C0] CR2: 0000000020000190 CR3: 0000000093430000 CR4: 00000000001406f0 [ 65.991802][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 66.001496][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 66.010060][ C0] Kernel panic - not syncing: Fatal exception in interrupt [ 66.018289][ C0] Kernel Offset: disabled [ 66.025107][ C0] Rebooting in 86400 seconds..