[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 18.913609] random: sshd: uninitialized urandom read (32 bytes read, 32 bits of entropy available) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 21.537661] random: sshd: uninitialized urandom read (32 bytes read, 36 bits of entropy available) [ 21.803819] random: sshd: uninitialized urandom read (32 bytes read, 36 bits of entropy available) [ 22.842398] random: sshd: uninitialized urandom read (32 bytes read, 84 bits of entropy available) Warning: Permanently added '10.128.10.30' (ECDSA) to the list of known hosts. [ 28.535430] random: sshd: uninitialized urandom read (32 bytes read, 91 bits of entropy available) 2018/08/27 13:28:01 fuzzer started [ 29.491523] random: cc1: uninitialized urandom read (8 bytes read, 91 bits of entropy available) 2018/08/27 13:28:03 dialing manager at 10.128.0.26:33579 2018/08/27 13:28:04 syscalls: 1 2018/08/27 13:28:04 code coverage: enabled 2018/08/27 13:28:04 comparison tracing: CONFIG_KCOV_ENABLE_COMPARISONS is not enabled 2018/08/27 13:28:04 setuid sandbox: enabled 2018/08/27 13:28:04 namespace sandbox: enabled 2018/08/27 13:28:04 fault injection: CONFIG_FAULT_INJECTION is not enabled 2018/08/27 13:28:04 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2018/08/27 13:28:04 net packed injection: enabled 2018/08/27 13:28:04 net device setup: enabled [ 32.146241] random: nonblocking pool is initialized 13:28:37 executing program 0: 13:28:37 executing program 1: 13:28:37 executing program 7: 13:28:37 executing program 4: 13:28:37 executing program 5: 13:28:37 executing program 6: 13:28:37 executing program 2: 13:28:37 executing program 3: [ 64.612358] IPVS: Creating netns size=2552 id=1 [ 64.690898] IPVS: Creating netns size=2552 id=2 [ 64.747891] IPVS: Creating netns size=2552 id=3 [ 64.851697] IPVS: Creating netns size=2552 id=4 [ 64.981209] IPVS: Creating netns size=2552 id=5 [ 65.135846] IPVS: Creating netns size=2552 id=6 [ 65.310822] IPVS: Creating netns size=2552 id=7 [ 65.594043] IPVS: Creating netns size=2552 id=8 [ 65.742157] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 65.831668] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 65.961173] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 66.054930] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 66.129024] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 66.224166] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 66.233392] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 66.305708] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 66.546345] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 66.617939] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 66.636806] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 66.731560] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 66.744745] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 66.756035] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 66.826521] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 66.861595] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 66.870362] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 66.910074] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 66.974968] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.074465] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 67.082775] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.189509] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 67.266232] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 67.291842] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.407872] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.430594] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 67.448592] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 67.501140] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 67.512977] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 67.525708] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 67.638304] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 67.721571] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 67.730509] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 67.801671] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 67.818929] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.848853] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 67.865919] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 67.951577] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 67.965155] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 67.986902] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.039751] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 68.084171] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 68.181966] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 68.263225] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.280972] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 68.305656] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.315983] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 68.398754] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 68.414523] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 68.471434] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 68.501494] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 68.514592] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.567977] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 68.593853] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.685004] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.719138] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 68.788055] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.809227] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 68.909781] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.958292] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.968594] ip (4459) used greatest stack depth: 23744 bytes left [ 69.033223] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 69.152230] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 69.280676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.367036] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.860947] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 72.194732] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.251490] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 72.581422] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.650515] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 72.932273] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 72.991569] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.166125] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 73.274822] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.371038] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 73.486580] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 73.516926] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.745615] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 73.781938] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.837883] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.092685] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 13:28:47 executing program 0: socket$inet6(0xa, 0x3, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000080)={0xa, 0x0, 0x0, @local, 0x4}, 0x1c) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x4e22, 0x0, @ipv4={[], [], @multicast1}}, 0x1c) r1 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r1, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r0, {0x2, 0x0, @multicast2}, 0x4}}, 0x2e) sendmmsg(r1, &(0x7f0000005fc0)=[{{&(0x7f0000000000)=@l2, 0x80, &(0x7f0000005c40), 0x0, &(0x7f0000005c80)}}], 0x1, 0x0) [ 74.421389] ================================================================== [ 74.428814] BUG: KASAN: slab-out-of-bounds in ip6_xmit+0x177c/0x1a00 [ 74.435317] Read of size 8 at addr ffff8801d1f40b58 by task syz-executor0/5609 [ 74.442677] [ 74.444315] CPU: 1 PID: 5609 Comm: syz-executor0 Not tainted 4.4.152-ge5c5f1f #25 [ 74.451936] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.461297] 0000000000000000 893c3b7dcd4cc82a ffff8801d86f7548 ffffffff81e15fed [ 74.469415] ffffea000747d000 ffff8801d1f40b58 0000000000000000 ffff8801d1f40b58 [ 74.477519] 0000000000001200 ffff8801d86f7580 ffffffff8151b489 ffff8801d1f40b58 [ 74.485648] Call Trace: [ 74.488246] [] dump_stack+0xc1/0x124 [ 74.493615] [] print_address_description+0x6c/0x216 [ 74.500312] [] kasan_report.cold.7+0x175/0x2f7 [ 74.506552] [] ? ip6_xmit+0x177c/0x1a00 [ 74.512182] [] __asan_report_load8_noabort+0x14/0x20 [ 74.518941] [] ip6_xmit+0x177c/0x1a00 [ 74.524406] [] ? ip6_finish_output2+0x1ca0/0x1ca0 [ 74.530912] [] ? __lock_is_held+0xa2/0xf0 [ 74.536722] [] ? ipv4_dst_check+0x111/0x160 [ 74.542699] [] ? __sk_dst_check+0x114/0x270 [ 74.548682] [] inet6_csk_xmit+0x245/0x490 [ 74.554488] [] ? inet6_csk_xmit+0xff/0x490 [ 74.560380] [] ? inet6_csk_update_pmtu+0x160/0x160 [ 74.566978] [] ? udp6_set_csum+0xd3/0xa70 [ 74.572783] [] l2tp_xmit_skb+0xb9c/0xe80 [ 74.578510] [] pppol2tp_sendmsg+0x4e0/0x7d0 [ 74.584489] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 74.590996] [] ? pppol2tp_release+0x310/0x310 [ 74.597151] [] sock_sendmsg+0xcc/0x110 [ 74.602696] [] ___sys_sendmsg+0x441/0x880 [ 74.608508] [] ? copy_msghdr_from_user+0x550/0x550 [ 74.615103] [] ? __fget_light+0x9f/0x1f0 [ 74.620819] [] ? __fdget+0x18/0x20 [ 74.626019] [] ? sockfd_lookup_light+0xb6/0x160 [ 74.632389] [] __sys_sendmmsg+0x1d4/0x2e0 [ 74.638199] [] ? SyS_sendmsg+0x50/0x50 [ 74.643739] [] ? security_socket_connect+0x8f/0xc0 [ 74.650319] [] ? fput+0x20/0x150 [ 74.655334] [] ? SYSC_connect+0x22a/0x300 [ 74.661140] [] ? SYSC_bind+0x280/0x280 [ 74.666683] [] ? compat_SyS_futex+0x1e1/0x2f0 [ 74.672830] [] ? compat_SyS_get_robust_list+0x310/0x310 [ 74.679841] [] ? SyS_socket+0x121/0x1b0 [ 74.685463] [] ? move_addr_to_kernel+0x50/0x50 [ 74.691693] [] compat_SyS_sendmmsg+0x32/0x40 [ 74.697750] [] ? compat_SyS_sendmsg+0x40/0x40 [ 74.703893] [] do_fast_syscall_32+0x324/0x8b0 [ 74.710037] [] sysenter_flags_fixed+0xd/0x1a [ 74.716086] [ 74.717705] Allocated by task 0: [ 74.721054] (stack is not available) [ 74.724760] [ 74.726379] Freed by task 0: [ 74.729388] (stack is not available) [ 74.733097] [ 74.734712] The buggy address belongs to the object at ffff8801d1f40b40 [ 74.734712] which belongs to the cache ip_dst_cache of size 208 [ 74.747455] The buggy address is located 24 bytes inside of [ 74.747455] 208-byte region [ffff8801d1f40b40, ffff8801d1f40c10) [ 74.759242] The buggy address belongs to the page: [ 74.764972] BUG: unable to handle kernel paging request at ffffde0075a28169 [ 74.772359] IP: [] snmp_get_cpu_field+0x53/0x80 [ 74.778730] PGD 0 [ 74.781018] Oops: 0000 [#1] PREEMPT SMP KASAN [ 74.786044] Dumping ftrace buffer: SeaBIOS (version 1.8.2-20180718_090847-google) Total RAM Size = 0x00000001e0000000 = 7680 MiB CPUs found: 2 Max CPUs supported: 256 found virtio-scsi at 0:3 virtio-scsi vendor='Google' product='PersistentDisk' rev='1' type=0 removable=0 virtio-scsi blksize=512 sectors=4194304 = 2048 MiB drive 0x000f2280: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Booting from Hard Disk 0... early console in decompress_kernel input_data: 0x0000000003b4f26e input_len: 0x00000000014d0c22 output: 0x0000000001000000 output_len: 0x000000000400ba90 run_size: 0x0000000005755000 Decompressing Linux... Parsing ELF... done. Booting the kernel. [ 0.000000] Initializing cgroup subsys cpuset [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Initializing cgroup subsys cpuacct [ 0.000000] Initializing cgroup subsys schedtune [ 0.000000] Linux version 4.4.152-ge5c5f1f (syzkaller@ci) (gcc version 8.0.1 20180413 (experimental) (GCC) ) #25 SMP PREEMPT Sat Aug 25 07:03:14 UTC 2018 [ 0.000000] Command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n ftrace_dump_on_oops=orig_cpu oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 workqueue.watchdog_thresh=140 nopti [ 0.000000] KERNEL supported cpus: [ 0.000000] Intel GenuineIntel [ 0.000000] AMD AuthenticAMD [ 0.000000] Centaur CentaurHauls [ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000] x86/fpu: Supporting XSAVE feature 0x01: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x02: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x04: 'AVX registers' [ 0.000000] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 0.000000] e820: BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000bfff2fff] usable [ 0.000000] BIOS-e820: [mem 0x00000000bfff3000-0x00000000bfffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000021fffffff] usable [ 0.000000] bootconsole [earlyser0] enabled [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.4 present. [ 0.000000] Hypervisor detected: KVM [ 0.000000] Kernel/User page tables isolation: disabled [ 0.000000] e820: last_pfn = 0x220000 max_arch_pfn = 0x400000000 [ 0.000000] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WC UC- WT [ 0.000000] e820: last_pfn = 0xbfff3 max_arch_pfn = 0x400000000 [ 0.000000] found SMP MP-table at [mem 0x000f2300-0x000f230f] mapped at [ffff8800000f2300] [ 0.000000] Scanning 1 areas for low memory corruption [ 0.000000] Using GB pages for direct mapping [ 0.000000] ACPI: Early table checksum verification disabled [ 0.000000] ACPI: RSDP 0x00000000000F22C0 000014 (v00 Google) [ 0.000000] ACPI: RSDT 0x00000000BFFF3430 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: FACP 0x00000000BFFFCF60 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.000000] ACPI: DSDT 0x00000000BFFF3470 0017B2 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: FACS 0x00000000BFFFCF00 000040 [ 0.000000] ACPI: FACS 0x00000000BFFFCF00 000040 [ 0.000000] ACPI: SSDT 0x00000000BFFF65F0 00690D (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: APIC 0x00000000BFFF5D10 000076 (v01 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.000000] ACPI: WAET 0x00000000BFFF5CE0 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.000000] ACPI: SRAT 0x00000000BFFF4C30 0000C8 (v01 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000000] kvm-clock: cpu 0, msr 2:1fffd001, primary cpu clock [ 0.000000] kvm-clock: using sched offset of 2204958354 cycles [ 0.000000] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.000000] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.000000] Normal [mem 0x0000000100000000-0x000000021fffffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.000000] node 0: [mem 0x0000000000100000-0x00000000bfff2fff] [ 0.000000] node 0: [mem 0x0000000100000000-0x000000021fffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000000001000-0x000000021fffffff] [ 0.000000] kasan: KernelAddressSanitizer initialized [ 0.000000] ACPI: PM-Timer IO Port: 0xb008 [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.000000] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.000000] Using ACPI (MADT) for SMP configuration information [ 0.000000] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.000000] PM: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.000000] PM: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.000000] PM: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.000000] PM: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.000000] PM: Registered nosave memory: [mem 0xbfff3000-0xbfffffff] [ 0.000000] PM: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.000000] PM: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.000000] e820: [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.000000] Booting paravirtualized kernel on KVM [ 0.000000] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.000000] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:1 [ 0.000000] PERCPU: Embedded 42 pages/cpu @ffff8801db200000 s134152 r8192 d29688 u1048576 [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 1935227 [ 0.000000] Kernel command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n ftrace_dump_on_oops=orig_cpu oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 workqueue.watchdog_thresh=140 nopti [ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes) [ 0.000000] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes) [ 0.000000] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes) [ 0.000000] Memory: 6579080K/7863876K available (41801K kernel code, 6308K rwdata, 9068K rodata, 1868K init, 23696K bss, 1284796K reserved, 0K cma-reserved) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 [ 0.000000] Running RCU self tests [ 0.000000] Preemptible hierarchical RCU implementation. [ 0.000000] RCU lockdep checking is enabled. [ 0.000000] Build-time adjustment of leaf fanout to 64. [ 0.000000] RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2. [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=64, nr_cpu_ids=2 [ 0.000000] NR_IRQS:4352 nr_irqs:440 16 [ 0.000000] console [ttyS0] enabled [ 0.000000] console [ttyS0] enabled [ 0.000000] bootconsole [earlyser0] disabled [ 0.000000] bootconsole [earlyser0] disabled [ 0.000000] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.000000] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.000000] ... MAX_LOCK_DEPTH: 48 [ 0.000000] ... MAX_LOCKDEP_KEYS: 8191 [ 0.000000] ... CLASSHASH_SIZE: 4096 [ 0.000000] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.000000] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.000000] ... CHAINHASH_SIZE: 32768 [ 0.000000] memory used by lock dependency info: 8159 kB [ 0.000000] per task-struct memory footprint: 1920 bytes [ 0.000000] tsc: Detected 2300.000 MHz processor [ 1.226227] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.229172] pid_max: default: 32768 minimum: 301 [ 1.230811] ACPI: Core revision 20150930 [ 1.657835] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.660653] Security Framework initialized [ 1.662082] SELinux: Initializing. [ 1.663493] AppArmor: AppArmor disabled by boot time parameter [ 1.665641] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.668042] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.673330] Initializing cgroup subsys io [ 1.674909] Initializing cgroup subsys freezer [ 1.676486] Initializing cgroup subsys hugetlb [ 1.678098] Initializing cgroup subsys debug [ 1.679793] CPU: Physical Processor ID: 0 [ 1.682052] mce: CPU supports 32 MCE banks [ 1.683721] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.685827] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.688190] Spectre V2 : Mitigation: Full generic retpoline [ 1.690168] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 1.693048] Speculative Store Bypass: Vulnerable [ 1.697758] Freeing SMP alternatives memory: 48K [ 1.709391] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.824539] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.827996] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.914831] x86: Booting SMP configuration: [ 1.916462] .... node #0, CPUs: #1 [ 1.918163] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.923949] x86: Booted up 1 node, 2 CPUs [ 1.925521] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.931245] devtmpfs: initialized [ 1.942587] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.946289] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.955302] xor: automatically using best checksumming function: [ 1.955454] kworker/u4:0 (21) used greatest stack depth: 27920 bytes left [ 2.054583] avx : 24318.400 MB/sec [ 2.056880] RTC time: 13:28:52, date: 08/27/18 [ 2.060905] NET: Registered protocol family 16 [ 2.063012] schedtune: init normalization constants... [ 2.064898] schedtune: no energy model data [ 2.066407] schedtune: disabled! [ 2.069561] kworker/u4:0 (24) used greatest stack depth: 27616 bytes left [ 2.094022] cpuidle: using governor ladder [ 2.123901] cpuidle: using governor menu [ 2.126179] ACPI: bus type PCI registered [ 2.127613] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 2.132151] PCI: Using configuration type 1 for base access [ 2.144771] kworker/u4:1 (45) used greatest stack depth: 27424 bytes left [ 2.624633] raid6: sse2x1 gen() 4487 MB/s [ 2.794566] raid6: sse2x1 xor() 2364 MB/s [ 2.964572] raid6: sse2x2 gen() 6946 MB/s [ 3.134567] raid6: sse2x2 xor() 4000 MB/s [ 3.304588] raid6: sse2x4 gen() 9483 MB/s [ 3.474598] raid6: sse2x4 xor() 5433 MB/s [ 3.644578] raid6: avx2x1 gen() 9382 MB/s [ 3.814588] raid6: avx2x2 gen() 13310 MB/s [ 3.984586] raid6: avx2x4 gen() 18172 MB/s [ 3.985280] raid6: using algorithm avx2x4 gen() 18172 MB/s [ 3.986043] raid6: using avx2x2 recovery algorithm [ 3.987431] ACPI: Added _OSI(Module Device) [ 3.988099] ACPI: Added _OSI(Processor Device) [ 3.988729] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.989395] ACPI: Added _OSI(Processor Aggregator Device) [ 4.017032] ACPI: Executed 2 blocks of module-level executable AML code [ 4.983542] ACPI: Interpreter enabled [ 4.984665] ACPI: (supports S0 S3 S4 S5) [ 4.985220] ACPI: Using IOAPIC for interrupt routing [ 4.986499] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 6.295170] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 6.296251] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 6.297651] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 6.298816] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 6.329747] PCI host bridge to bus 0000:00 [ 6.330417] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 6.331433] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 6.332389] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 6.333450] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 6.334504] pci_bus 0000:00: root bus resource [bus 00-ff] [ 6.372666] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 6.456028] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 6.462474] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 6.468744] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 6.474915] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 6.478595] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 7.092851] ACPI: Enabled 16 GPEs in block 00 to 0F [ 7.096908] vgaarb: loaded [ 7.100452] SCSI subsystem initialized [ 7.116187] ACPI: bus type USB registered [ 7.118132] usbcore: registered new interface driver usbfs [ 7.119595] usbcore: registered new interface driver hub [ 7.120925] usbcore: registered new device driver usb [ 7.123243] pps_core: LinuxPPS API ver. 1 registered [ 7.124667] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 7.126197] PTP clock support registered [ 7.128094] ioremap error for 0xbfffd000-0xc0000000, requested 0x2, got 0x0 [ 7.129299] dmi: Firmware registration failed. [ 7.130889] Advanced Linux Sound Architecture Driver Initialized. [ 7.132634] PCI: Using ACPI for IRQ routing