[ OK ] Started Regular background program processing daemon. Starting System Logging Service... Starting Permit User Sessions... [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target Timers. [ OK ] Started System Logging Service. [ OK ] Started Permit User Sessions. [ OK ] Started OpenBSD Secure Shell server. [ OK ] Found device /dev/ttyS0. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ 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 '10.128.0.254' (ECDSA) to the list of known hosts. syzkaller login: [ 71.204606][ T28] audit: type=1400 audit(1593522461.773:8): avc: denied { execmem } for pid=6796 comm="syz-executor930" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 71.230853][ T6797] IPVS: ftp: loaded support on port[0] = 21 [ 71.351357][ T6797] chnl_net:caif_netlink_parms(): no params data found [ 71.407406][ T6797] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.414966][ T6797] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.423734][ T6797] device bridge_slave_0 entered promiscuous mode [ 71.433579][ T6797] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.441045][ T6797] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.448919][ T6797] device bridge_slave_1 entered promiscuous mode [ 71.468802][ T6797] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.480479][ T6797] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.503484][ T6797] team0: Port device team_slave_0 added [ 71.510948][ T6797] team0: Port device team_slave_1 added [ 71.528529][ T6797] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 71.535573][ T6797] 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. [ 71.562964][ T6797] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 71.578626][ T6797] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 71.586029][ T6797] 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. [ 71.612343][ T6797] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 71.679037][ T6797] device hsr_slave_0 entered promiscuous mode [ 71.715831][ T6797] device hsr_slave_1 entered promiscuous mode [ 71.840671][ T6797] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 71.899605][ T6797] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 71.947737][ T6797] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 71.987707][ T6797] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 72.053498][ T6797] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.060831][ T6797] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.069260][ T6797] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.076793][ T6797] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.124530][ T6797] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.139574][ T2586] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.150193][ T2586] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.159315][ T2586] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.170325][ T2586] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 72.184386][ T6797] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.196788][ T2493] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.206484][ T2493] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.213928][ T2493] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.239062][ T7005] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.249639][ T7005] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.256868][ T7005] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.265092][ T7005] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.277168][ T7005] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.289547][ T7006] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.306932][ T7006] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.316926][ T7006] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.341452][ T2586] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.350416][ T2586] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.363554][ T6797] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.386731][ T2586] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.396917][ T2586] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.418275][ T2586] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 72.428193][ T2586] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.443422][ T6797] device veth0_vlan entered promiscuous mode [ 72.451688][ T2475] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.460181][ T2475] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.475815][ T6797] device veth1_vlan entered promiscuous mode [ 72.500450][ T7006] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 72.509155][ T7006] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 72.518316][ T7006] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 72.528776][ T7006] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 72.543299][ T6797] device veth0_macvtap entered promiscuous mode [ 72.553391][ T6797] device veth1_macvtap entered promiscuous mode [ 72.571659][ T6797] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 72.579566][ T2475] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 72.589897][ T2475] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 72.598584][ T2475] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 72.607621][ T2475] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 72.619765][ T6797] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 72.628621][ T2586] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 72.638150][ T2586] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 72.945097][ C0] general protection fault, probably for non-canonical address 0x1ffffffff135a2b4: 0000 [#1] PREEMPT SMP KASAN [ 72.945109][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.8.0-rc2-syzkaller #0 [ 72.945115][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.945132][ C0] RIP: 0010:pvclock_gtod_notify+0x0/0x4d0 [ 72.945141][ C0] 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 [ 72.945146][ C0] RSP: 0018:ffffc90000007bf8 EFLAGS: 00010046 [ 72.945153][ C0] RAX: 1ffffffff135a2b4 RBX: 00000000ffffffff RCX: ffffffff814db41b [ 72.945159][ C0] RDX: ffffffff8c90b9c0 RSI: 0000000000000000 RDI: ffffffff89ad15a0 [ 72.945164][ C0] RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8c58ba27 [ 72.945169][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 72.945174][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff89ad15a0 [ 72.945181][ C0] FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 72.945186][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.945191][ C0] CR2: 000055b725faa270 CR3: 000000008ea2c000 CR4: 00000000001406f0 [ 72.945201][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.945206][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.945208][ C0] Call Trace: [ 72.945214][ C0] [ 72.945226][ C0] notifier_call_chain+0xb5/0x200 [ 72.945240][ C0] timekeeping_update+0x28a/0x4a0 [ 72.945250][ C0] timekeeping_advance+0x663/0x9a0 [ 72.945261][ C0] ? tick_do_update_jiffies64.part.0+0x183/0x290 [ 72.945271][ C0] ? timekeeping_inject_offset+0x4d0/0x4d0 [ 72.945281][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 72.945292][ C0] ? trace_hardirqs_off+0x27/0x210 [ 72.945304][ C0] tick_do_update_jiffies64.part.0+0x183/0x290 [ 72.945314][ C0] tick_sched_timer+0x22c/0x290 [ 72.945323][ C0] __hrtimer_run_queues+0x1d5/0xfc0 [ 72.945332][ C0] ? can_stop_idle_tick+0x290/0x290 [ 72.945344][ C0] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 72.945353][ C0] ? ktime_get_update_offsets_now+0x1c4/0x250 [ 72.945363][ C0] hrtimer_interrupt+0x32a/0x930 [ 72.945379][ C0] __sysvec_apic_timer_interrupt+0x142/0x5e0 [ 72.945392][ C0] asm_call_on_stack+0xf/0x20 [ 72.945396][ C0] [ 72.945406][ C0] sysvec_apic_timer_interrupt+0x18f/0x220 [ 72.945417][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 72.945427][ C0] RIP: 0010:native_safe_halt+0xe/0x10 [ 72.945435][ C0] Code: ff 4c 89 ef e8 d3 62 cb f9 e9 8e fe ff ff 48 89 df e8 c6 62 cb f9 eb 8a cc cc cc cc e9 07 00 00 00 0f 00 2d 84 68 61 00 fb f4 90 e9 07 00 00 00 0f 00 2d 74 68 61 00 f4 c3 cc cc 55 53 e8 39 [ 72.945439][ C0] RSP: 0018:ffffffff89a07c70 EFLAGS: 00000293 [ 72.945446][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 1ffffffff155cbda [ 72.945451][ C0] RDX: ffffffff89a86580 RSI: ffffffff87e74798 RDI: ffffffff89a86e00 [ 72.945456][ C0] RBP: ffff8880a6a1d864 R08: 0000000000000000 R09: 0000000000000001 [ 72.945461][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a6a1d864 [ 72.945466][ C0] R13: 1ffffffff1340f98 R14: ffff8880a6a1d865 R15: 0000000000000001 [ 72.945477][ C0] ? acpi_safe_halt+0x88/0x110 [ 72.945487][ C0] acpi_safe_halt+0x8d/0x110 [ 72.945496][ C0] acpi_idle_do_entry+0x15c/0x1b0 [ 72.945506][ C0] acpi_idle_enter+0x3f9/0xab0 [ 72.945517][ C0] ? acpi_idle_enter_bm+0x2d0/0x2d0 [ 72.945526][ C0] ? kvm_sched_clock_read+0x14/0x40 [ 72.945535][ C0] ? sched_clock+0x2a/0x40 [ 72.945543][ C0] ? sched_clock_cpu+0x18/0x1b0 [ 72.945551][ C0] ? check_preemption_disabled+0x38/0x220 [ 72.945562][ C0] cpuidle_enter_state+0xff/0x960 [ 72.945572][ C0] ? tick_nohz_idle_enter+0x238/0x360 [ 72.945581][ C0] ? check_preemption_disabled+0x38/0x220 [ 72.945589][ C0] ? check_preemption_disabled+0x38/0x220 [ 72.945598][ C0] cpuidle_enter+0x4a/0xa0 [ 72.945607][ C0] do_idle+0x431/0x6d0 [ 72.945617][ C0] ? arch_cpu_idle_exit+0x70/0x70 [ 72.945627][ C0] ? check_preemption_disabled+0x38/0x220 [ 72.945637][ C0] ? trace_init_perf_perm_irq_work_exit+0xe/0xe [ 72.945646][ C0] cpu_startup_entry+0x14/0x20 [ 72.945655][ C0] start_kernel+0x9cb/0xa06 [ 72.945664][ C0] ? mem_encrypt_init+0x5/0x5 [ 72.945674][ C0] ? x86_cpuid_vendor+0x84/0x90 [ 72.945684][ C0] ? __sanitizer_cov_trace_switch+0x45/0x70 [ 72.945695][ C0] ? load_ucode_bsp+0x1b7/0x1f7 [ 72.945707][ C0] secondary_startup_64+0xa4/0xb0 [ 72.945714][ C0] Modules linked in: [ 72.945728][ C0] ---[ end trace d84df34f294fd4d0 ]--- [ 72.945746][ C0] RIP: 0010:pvclock_gtod_notify+0x0/0x4d0 [ 72.945754][ C0] 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 [ 72.945759][ C0] RSP: 0018:ffffc90000007bf8 EFLAGS: 00010046 [ 72.945765][ C0] RAX: 1ffffffff135a2b4 RBX: 00000000ffffffff RCX: ffffffff814db41b [ 72.945770][ C0] RDX: ffffffff8c90b9c0 RSI: 0000000000000000 RDI: ffffffff89ad15a0 [ 72.945776][ C0] RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8c58ba27 [ 72.945780][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 72.945785][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff89ad15a0 [ 72.945792][ C0] FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 72.945797][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.945802][ C0] CR2: 000055b725faa270 CR3: 000000008ea2c000 CR4: 00000000001406f0 [ 72.945809][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.945813][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.945818][ C0] Kernel panic - not syncing: Fatal exception in interrupt [ 74.100779][ C0] Shutting down cpus with NMI [ 74.102505][ C0] Kernel Offset: disabled [ 74.704138][ C0] Rebooting in 86400 seconds..