[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 20.739152] random: sshd: uninitialized urandom read (32 bytes read, 34 bits of entropy available) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 24.816251] random: sshd: uninitialized urandom read (32 bytes read, 38 bits of entropy available) [ 25.085193] random: sshd: uninitialized urandom read (32 bytes read, 38 bits of entropy available) [ 25.765422] random: sshd: uninitialized urandom read (32 bytes read, 66 bits of entropy available) [ 47.942773] random: sshd: uninitialized urandom read (32 bytes read, 79 bits of entropy available) Warning: Permanently added '10.128.0.43' (ECDSA) to the list of known hosts. [ 53.421551] random: sshd: uninitialized urandom read (32 bytes read, 82 bits of entropy available) 2018/08/19 15:48:56 parsed 1 programs [ 54.452691] random: cc1: uninitialized urandom read (8 bytes read, 84 bits of entropy available) 2018/08/19 15:48:58 executed programs: 0 [ 55.693975] IPVS: Creating netns size=2552 id=1 [ 55.753785] IPVS: Creating netns size=2552 id=2 [ 55.814410] IPVS: Creating netns size=2552 id=3 [ 55.893404] IPVS: Creating netns size=2552 id=4 [ 55.992861] IPVS: Creating netns size=2552 id=5 [ 56.102397] IPVS: Creating netns size=2552 id=6 [ 56.313015] IPVS: Creating netns size=2552 id=7 [ 56.422091] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 56.467048] IPVS: Creating netns size=2552 id=8 [ 56.531206] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 56.734616] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 56.832659] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 56.905526] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 56.991112] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 57.088059] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 57.165941] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 57.236283] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 57.354564] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 57.394688] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 57.443260] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 57.510120] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 57.518083] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 57.528425] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 57.543422] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 57.560099] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.607205] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 57.625494] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 57.671448] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.719509] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 57.805679] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 57.863358] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 57.880539] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 57.997898] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 58.035829] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 58.072524] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.086357] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.103379] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 58.147440] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 58.155262] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 58.221409] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.230949] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 58.294802] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.344795] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.374174] ip (4346) used greatest stack depth: 24064 bytes left [ 58.405742] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 58.413064] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 58.427703] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 58.447434] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.466481] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 58.486257] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 58.541424] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 58.579337] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 58.600833] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.685603] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 58.739524] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.782236] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.817946] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 58.828471] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 58.841381] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.868412] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 58.909828] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 58.926039] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 59.026508] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 59.042881] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.074829] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.228896] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 59.324954] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 59.380920] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 59.407367] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.445816] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 59.473672] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.513097] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.578832] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.544673] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.802032] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.882913] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 62.021369] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 62.098992] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.171759] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 62.305327] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.424625] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.448942] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 62.646219] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 62.697101] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.886051] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.084928] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 63.176321] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 63.354502] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.385993] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 2018/08/19 15:49:06 executed programs: 8 2018/08/19 15:49:11 executed programs: 194 2018/08/19 15:49:16 executed programs: 438 2018/08/19 15:49:21 executed programs: 668 [ 82.960804] ================================================================== [ 82.968207] BUG: KASAN: use-after-free in __lock_acquire+0x3c66/0x5270 [ 82.974865] Read of size 8 at addr ffff8801d70a91a0 by task syz-executor3/9502 [ 82.982213] [ 82.983832] CPU: 1 PID: 9502 Comm: syz-executor3 Not tainted 4.4.150-g5541782 #83 [ 82.991438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.000790] 0000000000000000 e5cc02295ee3d523 ffff8801ce6afa70 ffffffff81e14e2d [ 83.008832] ffffea00075c2a00 ffff8801d70a91a0 0000000000000000 ffff8801d70a91a0 [ 83.016832] 0000000000000000 ffff8801ce6afaa8 ffffffff8151a3f0 ffff8801d70a91a0 [ 83.024838] Call Trace: [ 83.027403] [] dump_stack+0xc1/0x124 [ 83.032742] [] print_address_description+0x6c/0x216 [ 83.039390] [] kasan_report.cold.7+0x175/0x2f7 [ 83.045635] [] ? __lock_acquire+0x3c66/0x5270 [ 83.051774] [] __asan_report_load8_noabort+0x14/0x20 [ 83.058504] [] __lock_acquire+0x3c66/0x5270 [ 83.064453] [] ? dput.part.26+0x587/0x760 [ 83.070226] [] ? dput+0x1f/0x30 [ 83.075137] [] ? __fput+0x401/0x6f0 [ 83.080404] [] ? ____fput+0x15/0x20 [ 83.085674] [] ? task_work_run+0x10f/0x190 [ 83.091545] [] ? __lock_acquire+0xa86/0x5270 [ 83.097587] [] ? debug_check_no_locks_freed+0x210/0x210 [ 83.104583] [] ? debug_check_no_locks_freed+0x210/0x210 [ 83.111577] [] ? debug_check_no_obj_freed+0x2ec/0x940 [ 83.118396] [] ? quarantine_put+0xda/0x180 [ 83.124259] [] lock_acquire+0x15e/0x450 [ 83.129861] [] ? lock_sock_nested+0x43/0x120 [ 83.135901] [] ? get_parent_ip+0xd/0x50 [ 83.141515] [] ? sock_release+0x1c0/0x1c0 [ 83.147298] [] _raw_spin_lock_bh+0x3a/0x50 [ 83.153158] [] ? lock_sock_nested+0x43/0x120 [ 83.159201] [] lock_sock_nested+0x43/0x120 [ 83.165067] [] pppol2tp_release+0x50/0x310 [ 83.170928] [] sock_release+0x96/0x1c0 [ 83.176441] [] sock_close+0x16/0x20 [ 83.181694] [] __fput+0x235/0x6f0 [ 83.186776] [] ____fput+0x15/0x20 [ 83.191863] [] task_work_run+0x10f/0x190 [ 83.197558] [] exit_to_usermode_loop+0x13d/0x160 [ 83.203937] [] syscall_return_slowpath+0x1b5/0x1f0 [ 83.210493] [] int_ret_from_sys_call+0x25/0xa3 [ 83.216703] [ 83.218313] Allocated by task 9505: [ 83.221908] [] save_stack_trace+0x26/0x50 [ 83.227820] [] save_stack+0x43/0xd0 [ 83.233207] [] kasan_kmalloc+0xc7/0xe0 [ 83.239114] [] __kmalloc+0x124/0x310 [ 83.244584] [] sk_prot_alloc+0x204/0x300 [ 83.250387] [] sk_alloc+0x3a/0x3a0 [ 83.255669] [] pppol2tp_create+0x33/0x1f0 [ 83.261572] [] pppox_create+0xf6/0x200 [ 83.267203] [] __sock_create+0x2f0/0x5f0 [ 83.273022] [] SyS_socket+0xf0/0x1b0 [ 83.278478] [] entry_SYSCALL_64_fastpath+0x22/0x9e [ 83.285180] [ 83.286785] Freed by task 9502: [ 83.290032] [] save_stack_trace+0x26/0x50 [ 83.295926] [] save_stack+0x43/0xd0 [ 83.301312] [] kasan_slab_free+0x72/0xc0 [ 83.307169] [] kfree+0xf4/0x310 [ 83.312214] [] sk_destruct+0x407/0x4c0 [ 83.317845] [] __sk_free+0x4f/0x220 [ 83.323218] [] sk_free+0x30/0x40 [ 83.328344] [] pppol2tp_session_sock_put+0x5f/0x70 [ 83.335031] [] l2tp_tunnel_closeall+0x23c/0x350 [ 83.341449] [] l2tp_udp_encap_destroy+0x8b/0xf0 [ 83.347875] [] udpv6_destroy_sock+0xb1/0xd0 [ 83.353939] [] sk_common_release+0x6d/0x300 [ 83.360016] [] udp_lib_close+0x15/0x20 [ 83.365647] [] inet_release+0xff/0x1d0 [ 83.371289] [] inet6_release+0x50/0x70 [ 83.376919] [] sock_release+0x96/0x1c0 [ 83.382549] [] sock_close+0x16/0x20 [ 83.387918] [] __fput+0x235/0x6f0 [ 83.393121] [] ____fput+0x15/0x20 [ 83.398316] [] task_work_run+0x10f/0x190 [ 83.404123] [] exit_to_usermode_loop+0x13d/0x160 [ 83.410651] [] syscall_return_slowpath+0x1b5/0x1f0 [ 83.417335] [] int_ret_from_sys_call+0x25/0xa3 [ 83.423665] [ 83.425272] The buggy address belongs to the object at ffff8801d70a9100 [ 83.425272] which belongs to the cache kmalloc-2048 of size 2048 [ 83.438081] The buggy address is located 160 bytes inside of [ 83.438081] 2048-byte region [ffff8801d70a9100, ffff8801d70a9900) [ 83.450023] The buggy address belongs to the page: 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: 0x00000000014d111b 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 4.4.150-g5541782 (syzkaller@ci) (gcc version 8.0.1 20180413 (experimental) (GCC) ) #83 SMP PREEMPT Sat Aug 18 15:30:20 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 1808192846 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 (41795K 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 [ 1.139940] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.141246] pid_max: default: 32768 minimum: 301 [ 1.141959] ACPI: Core revision 20150930 [ 1.579045] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.580372] Security Framework initialized [ 1.580947] SELinux: Initializing. [ 1.581642] AppArmor: AppArmor disabled by boot time parameter [ 1.582646] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.583683] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.587462] Initializing cgroup subsys io [ 1.588100] Initializing cgroup subsys freezer [ 1.588772] Initializing cgroup subsys hugetlb [ 1.589472] Initializing cgroup subsys debug [ 1.590228] CPU: Physical Processor ID: 0 [ 1.591712] mce: CPU supports 32 MCE banks [ 1.592531] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.593384] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.594403] Spectre V2 : Mitigation: Full generic retpoline [ 1.595222] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 1.596494] Speculative Store Bypass: Vulnerable [ 1.600188] Freeing SMP alternatives memory: 48K [ 1.611295] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.728884] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.730464] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.819272] x86: Booting SMP configuration: [ 1.820009] .... node #0, CPUs: #1 [ 1.820965] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.826143] x86: Booted up 1 node, 2 CPUs [ 1.826760] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.831155] devtmpfs: initialized [ 1.842061] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.843541] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.845314] xor: automatically using best checksumming function: [ 1.857510] kworker/u4:0 (21) used greatest stack depth: 27920 bytes left [ 1.938966] avx : 23959.600 MB/sec [ 1.940381] RTC time: 15:49:30, date: 08/19/18 [ 1.943811] NET: Registered protocol family 16 [ 1.944931] schedtune: init normalization constants... [ 1.945718] schedtune: no energy model data [ 1.946381] schedtune: disabled! [ 1.979249] cpuidle: using governor ladder [ 2.009018] cpuidle: using governor menu [ 2.010330] ACPI: bus type PCI registered [ 2.010938] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 2.014028] PCI: Using configuration type 1 for base access [ 2.026835] kworker/u4:1 (48) used greatest stack depth: 27424 bytes left [ 2.509076] raid6: sse2x1 gen() 4582 MB/s [ 2.679101] raid6: sse2x1 xor() 2423 MB/s [ 2.849134] raid6: sse2x2 gen() 7219 MB/s [ 3.019169] raid6: sse2x2 xor() 4048 MB/s [ 3.189192] raid6: sse2x4 gen() 9128 MB/s [ 3.359241] raid6: sse2x4 xor() 5737 MB/s [ 3.529267] raid6: avx2x1 gen() 9129 MB/s [ 3.699313] raid6: avx2x2 gen() 13666 MB/s [ 3.869325] raid6: avx2x4 gen() 18623 MB/s [ 3.870017] raid6: using algorithm avx2x4 gen() 18623 MB/s [ 3.870900] raid6: using avx2x2 recovery algorithm [ 3.872285] ACPI: Added _OSI(Module Device) [ 3.872925] ACPI: Added _OSI(Processor Device) [ 3.873589] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.874315] ACPI: Added _OSI(Processor Aggregator Device) [ 3.901296] ACPI: Executed 2 blocks of module-level executable AML code [ 4.829130] ACPI: Interpreter enabled [ 4.830094] ACPI: (supports S0 S3 S4 S5) [ 4.830667] ACPI: Using IOAPIC for interrupt routing [ 4.831851] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 6.090893] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 6.091991] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 6.093346] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 6.094366] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 6.123691] PCI host bridge to bus 0000:00 [ 6.124331] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 6.125290] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 6.126231] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 6.127298] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 6.128357] pci_bus 0000:00: root bus resource [bus 00-ff] [ 6.163685] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 6.244143] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 6.250283] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 6.256196] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 6.262286] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 6.265833] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 6.855915] ACPI: Enabled 16 GPEs in block 00 to 0F [ 6.859869] vgaarb: loaded [ 6.863319] SCSI subsystem initialized [ 6.866523] ACPI: bus type USB registered [ 6.868406] usbcore: registered new interface driver usbfs [ 6.869819] usbcore: registered new interface driver hub [ 6.871110] usbcore: registered new device driver usb [ 6.873177] pps_core: LinuxPPS API ver. 1 registered [ 6.873994] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 6.875504] PTP clock support registered [ 6.877538] ioremap error for 0xbfffd000-0xc0000000, requested 0x2, got 0x0 [ 6.878726] dmi: Firmware registration failed. [ 6.880382] Advanced Linux Sound Architecture Driver Initialized. [ 6.882121] PCI: Using ACPI for IRQ routing [ 6.900131] NetLabel: Initializing [ 6.900655] NetLabel: domain hash size = 128 [ 6.901277] NetLabel: protocols = UNLABELED CIPSOv4 [ 6.902255] NetLabel: unlabeled traffic allowed by default [ 6.904880] amd_nb: Cannot enumerate AMD northbridges [ 6.905735] clocksource: Switched to clocksource kvm-clock [ 7.102095] pnp: PnP ACPI init [ 7.127081] pnp: PnP ACPI: found 7 devices [ 7.142278] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 7.143904] NET: Registered protocol family 2 [ 7.146687] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 7.148123] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes) [ 7.155203] TCP: Hash tables configured (established 65536 bind 65536) [ 7.156881] UDP hash table entries: 4096 (order: 7, 655360 bytes) [ 7.158513] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes) [ 7.161839] NET: Registered protocol family 1 [ 7.162653] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 7.164497] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 7.165410] software IO TLB [mem 0xbbff3000-0xbfff3000] (64MB) mapped at [ffff8800bbff3000-ffff8800bfff2fff] [ 7.167537] RAPL PMU detected, API unit is 2^-32 Joules, 3 fixed counters 10737418240 ms ovfl timer [ 7.168789] hw unit of domain pp0-core 2^-0 Joules [ 7.169449] hw unit of domain package 2^-0 Joules [ 7.170117] hw unit of domain dram 2^-16 Joules [ 7.176744] Scanning for low memory corruption every 60 seconds [ 7.186389] audit: initializing netlink subsys (disabled) [ 7.187452] audit: type=2000 audit(1534693775.266:1): initialized [ 7.194839] Initialise system trusted keyring [ 7.197074] HugeTLB registered 2 MB page size, pre-allocated 0 pages [ 7.347316] VFS: Disk quotas dquot_6.6.0 [ 7.348965] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 7.373314] fuse init (API version 7.23) [ 7.378834] 9p: Installing v9fs 9p2000 file system support [ 7.412680] async_tx: api initialized (async) [ 7.414514] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 7.415711] io scheduler noop registered [ 7.416325] io scheduler deadline registered [ 7.418883] io scheduler cfq registered (default) [ 7.431875] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 [ 7.435815] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 7.436929] ACPI: Power Button [PWRF] [ 7.438751] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 7.439878] ACPI: Sleep Button [SLPF]