[ 21.289223] random: sshd: uninitialized urandom read (32 bytes read, 35 bits of entropy available) [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 24.983215] random: sshd: uninitialized urandom read (32 bytes read, 40 bits of entropy available) [ 25.313376] random: sshd: uninitialized urandom read (32 bytes read, 40 bits of entropy available) [ 26.341850] random: sshd: uninitialized urandom read (32 bytes read, 126 bits of entropy available) [ 26.455835] random: nonblocking pool is initialized Warning: Permanently added '10.128.10.16' (ECDSA) to the list of known hosts. 2018/03/25 00:03:58 parsed 1 programs 2018/03/25 00:03:58 executed programs: 0 [ 89.667803] IPVS: Creating netns size=2552 id=1 [ 89.713156] IPVS: Creating netns size=2552 id=2 [ 89.758417] IPVS: Creating netns size=2552 id=3 [ 89.794186] IPVS: Creating netns size=2552 id=4 [ 89.832667] IPVS: Creating netns size=2552 id=5 [ 89.880041] IPVS: Creating netns size=2552 id=6 [ 89.918130] IPVS: Creating netns size=2552 id=7 [ 89.960346] IPVS: Creating netns size=2552 id=8 2018/03/25 00:04:03 executed programs: 446 2018/03/25 00:04:08 executed programs: 858 2018/03/25 00:04:13 executed programs: 1280 2018/03/25 00:04:18 executed programs: 1712 2018/03/25 00:04:23 executed programs: 2109 2018/03/25 00:04:28 executed programs: 2552 INIT: Id "6" respawning too fast: disabled for 5 minutes INIT: Id "1" respawning too fast: disabled for 5 minutes INIT: Id "4" respawning too fast: disabled for 5 minutes INIT: Id "2" respawning too fast: disabled for 5 minutes INIT: Id "3" respawning too fast: disabled for 5 minutes INIT: Id "5" respawning too fast: disabled for 5 minutes 2018/03/25 00:04:33 executed programs: 2985 2018/03/25 00:04:38 executed programs: 3416 2018/03/25 00:04:43 executed programs: 3846 2018/03/25 00:04:48 executed programs: 4270 2018/03/25 00:04:53 executed programs: 4700 2018/03/25 00:04:58 executed programs: 5105 2018/03/25 00:05:03 executed programs: 5538 2018/03/25 00:05:08 executed programs: 5960 [ 164.102590] ================================================================== [ 164.109997] BUG: KASAN: use-after-free in __lock_acquire+0x387e/0x4b50 [ 164.116642] Read of size 8 at addr ffff8800b2be1a20 by task syz-executor7/16563 [ 164.124061] [ 164.125670] CPU: 0 PID: 16563 Comm: syz-executor7 Not tainted 4.4.120-gd63fdf6 #29 [ 164.133348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 164.142669] 0000000000000000 f355ebc445094b08 ffff8800b2af7620 ffffffff81d0408d [ 164.150632] ffffea0002caf800 ffff8800b2be1a20 0000000000000000 ffff8800b2be1a20 [ 164.158594] 0000000000000000 ffff8800b2af7658 ffffffff814fe143 ffff8800b2be1a20 [ 164.166564] Call Trace: [ 164.169122] [] dump_stack+0xc1/0x124 [ 164.174455] [] print_address_description+0x73/0x260 [ 164.181087] [] kasan_report+0x285/0x370 [ 164.186681] [] ? __lock_acquire+0x387e/0x4b50 [ 164.192791] [] __asan_report_load8_noabort+0x14/0x20 [ 164.199508] [] __lock_acquire+0x387e/0x4b50 [ 164.205446] [] ? dump_trace+0x14f/0x350 [ 164.211035] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 164.218013] [] ? free_fs_struct+0x4f/0x60 [ 164.223780] [] ? save_stack+0xa3/0xd0 [ 164.229198] [] ? do_exit+0x803/0x2a10 [ 164.234614] [] ? do_group_exit+0x108/0x320 [ 164.240466] [] ? get_signal+0x4f2/0x1550 [ 164.246143] [] ? do_signal+0x8b/0x1d40 [ 164.251652] [] ? exit_to_usermode_loop+0x11a/0x160 [ 164.258206] [] ? sysenter_flags_fixed+0xd/0x17 [ 164.264413] [] lock_acquire+0x15e/0x460 [ 164.270005] [] ? lock_sock_nested+0x43/0x120 [ 164.276029] [] ? get_parent_ip+0xd/0x50 [ 164.281619] [] ? sock_release+0x1e0/0x1e0 [ 164.287386] [] _raw_spin_lock_bh+0x3a/0x50 [ 164.293236] [] ? lock_sock_nested+0x43/0x120 [ 164.299262] [] lock_sock_nested+0x43/0x120 [ 164.305113] [] pppol2tp_release+0x50/0x310 [ 164.310962] [] sock_release+0x8d/0x1e0 [ 164.316464] [] sock_close+0x16/0x20 [ 164.321707] [] __fput+0x233/0x6d0 [ 164.326776] [] ____fput+0x15/0x20 [ 164.331845] [] task_work_run+0x104/0x180 [ 164.337525] [] do_exit+0x82a/0x2a10 [ 164.342771] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 164.349750] [] ? release_task+0x1240/0x1240 [ 164.355694] [] ? __lock_acquire+0xb5f/0x4b50 [ 164.361721] [] ? debug_check_no_obj_freed+0x166/0x9b0 [ 164.368527] [] ? recalc_sigpending+0x76/0xa0 [ 164.374553] [] do_group_exit+0x108/0x320 [ 164.380228] [] get_signal+0x4f2/0x1550 [ 164.385732] [] do_signal+0x8b/0x1d40 [ 164.391064] [] ? mntput_no_expire+0xca/0x680 [ 164.397088] [] ? setup_sigcontext+0x780/0x780 [ 164.403204] [] ? sock_release+0x1e0/0x1e0 [ 164.408969] [] ? mntput_no_expire+0xf6/0x680 [ 164.414993] [] ? mnt_get_count+0x190/0x190 [ 164.420845] [] ? dput.part.19+0x16d/0x760 [ 164.426610] [] ? dput.part.19+0x2a/0x760 [ 164.432288] [] ? compat_SyS_futex+0x1f9/0x2a0 [ 164.438400] [] ? compat_SyS_get_robust_list+0x300/0x300 [ 164.445381] [] ? exit_to_usermode_loop+0xe4/0x160 [ 164.451840] [] exit_to_usermode_loop+0x11a/0x160 [ 164.458211] [] do_fast_syscall_32+0x614/0x8a0 [ 164.464326] [] sysenter_flags_fixed+0xd/0x17 [ 164.470348] [ 164.471945] Allocated by task 16557: [ 164.475623] [] save_stack_trace+0x26/0x50 [ 164.481505] [] save_stack+0x43/0xd0 [ 164.486864] [] kasan_kmalloc+0xad/0xe0 [ 164.492484] [] __kmalloc+0x124/0x320 [ 164.497928] [] sk_prot_alloc+0x18c/0x310 [ 164.503723] [] sk_alloc+0x3a/0x3a0 [ 164.508997] [] pppol2tp_create+0x33/0x1f0 [ 164.514879] [] pppox_create+0xf1/0x200 [ 164.520501] [] __sock_create+0x3ac/0x640 [ 164.526291] [] SyS_socket+0xf0/0x1b0 [ 164.531735] [] do_fast_syscall_32+0x321/0x8a0 [ 164.537963] [] sysenter_flags_fixed+0xd/0x17 [ 164.544108] [ 164.545703] Freed by task 16563: [ 164.549032] [] save_stack_trace+0x26/0x50 [ 164.554913] [] save_stack+0x43/0xd0 [ 164.560271] [] kasan_slab_free+0x72/0xc0 [ 164.566072] [] kfree+0xfc/0x300 [ 164.571085] [] sk_destruct+0x3f7/0x4c0 [ 164.576706] [] __sk_free+0x57/0x230 [ 164.582063] [] sk_free+0x30/0x40 [ 164.587163] [] pppol2tp_session_sock_put+0x5f/0x70 [ 164.593832] [] l2tp_tunnel_closeall+0x254/0x3b0 [ 164.600231] [] l2tp_udp_encap_destroy+0x8b/0xf0 [ 164.606632] [] udp_destroy_sock+0x118/0x1a0 [ 164.612689] [] sk_common_release+0x6b/0x300 [ 164.618743] [] udp_lib_close+0x15/0x20 [ 164.624362] [] inet_release+0xfa/0x1d0 [ 164.629980] [] sock_release+0x8d/0x1e0 [ 164.635603] [] sock_close+0x16/0x20 [ 164.640958] [] __fput+0x233/0x6d0 [ 164.646148] [] ____fput+0x15/0x20 [ 164.651333] [] task_work_run+0x104/0x180 [ 164.657129] [] exit_to_usermode_loop+0x13d/0x160 [ 164.663622] [] do_fast_syscall_32+0x614/0x8a0 [ 164.669852] [] sysenter_flags_fixed+0xd/0x17 [ 164.675993] [ 164.677590] The buggy address belongs to the object at ffff8800b2be1980 [ 164.677590] which belongs to the cache kmalloc-2048 of size 2048 [ 164.690385] The buggy address is located 160 bytes inside of [ 164.690385] 2048-byte region [ffff8800b2be1980, ffff8800b2be2180) [ 164.702314] The buggy address belongs to the page: [ 164.751542] kasan: CONFIG_KASAN_INLINE enabled [ 164.755990] kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN [ 164.769996] Dumping ftrace buffer: [ 164.773519] (ftrace buffer empty) [ 164.777223] Modules linked in: [ 164.780542] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.4.120-gd63fdf6 #29 [ 164.787549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 164.796903] task: ffff8801d9b49800 task.stack: ffff8801d9b58000 [ 164.802952] RIP: 0010:[] [] debug_object_deactivate+0x1a6/0x3c0 [ 164.812367] RSP: 0018:ffff8801db307d20 EFLAGS: 00010002 [ 164.817808] RAX: 0000000000000092 RBX: 4000000000004080 RCX: ffff8801cede7b50 [ 164.825072] RDX: 0800000000000813 RSI: ffffffff842c35a0 RDI: 4000000000004098 [ 164.832339] RBP: ffff8801db307df0 R08: 1ffff100154fd1ae R09: ffffffff85135d90 [ 164.839608] R10: 0000000000000001 R11: 1ffff1003b660f6a R12: 1ffff1003b660fa8 [ 164.846877] R13: 0000000000000003 R14: dffffc0000000000 R15: ffffffff8576af88 [ 164.854150] FS: 0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 164.862374] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 164.868251] CR2: 000000000813b029 CR3: 00000001cf824000 CR4: 0000000000160670 [ 164.875521] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 164.882785] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 164.890050] Stack: [ 164.892194] ffff8801d9b49800 0000000000000000 ffffffff842c35a0 ffff8801cede7b50 [ 164.900258] 0000000041b58ab3 ffffffff83fce929 ffffffff81d65e60 0000000000000000 [ 164.908298] ffffffff812a2e5c ffffffff00000000 ffffffff00000000 0000000000000000 [ 164.916359] Call Trace: [ 164.918928] [ 164.920989] [] ? debug_object_activate+0x500/0x500 [ 164.927874] [] ? run_timer_softirq+0x60c/0xbb0 [ 164.934099] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 164.940413] [] ? init_timer_key+0x360/0x360 [ 164.946383] [] ? init_timer_key+0x360/0x360 [ 164.952351] [] run_timer_softirq+0x336/0xbb0 [ 164.958409] [] ? kvm_clock_read+0x23/0x40 [ 164.964211] [] ? msleep+0xc0/0xc0 [ 164.969312] [] __do_softirq+0x227/0xa38 [ 164.974930] [] irq_exit+0x119/0x140 [ 164.980226] [] smp_apic_timer_interrupt+0x7b/0xa0 [ 164.986720] [] apic_timer_interrupt+0xa0/0xb0 [ 164.992855] [ 164.994914] [] ? native_safe_halt+0x6/0x10 [ 165.001189] [] ? trace_hardirqs_on+0xd/0x10 [ 165.007158] [] default_idle+0x55/0x3c0 [ 165.012698] [] arch_cpu_idle+0xa/0x10 [ 165.018145] [] default_idle_call+0x48/0x70 [ 165.024029] [] cpu_startup_entry+0x5fd/0x8f0 [ 165.030083] [] ? call_cpuidle+0xe0/0xe0 [ 165.036577] [] ? clockevents_register_device+0x122/0x230 [ 165.043673] [] start_secondary+0x304/0x3e0 [ 165.049557] [] ? set_cpu_sibling_map+0x1080/0x1080 [ 165.056123] Code: eb 1a 48 89 da 48 c1 ea 03 42 80 3c 32 00 0f 85 86 01 00 00 48 8b 1b 48 85 db 74 7a 48 8d 7b 18 41 83 c5 01 48 89 fa 48 c1 ea 03 <42> 80 3c 32 00 0f 85 3c 01 00 00 48 3b 4b 18 75 c6 48 8d 7b 10 [ 165.083636] RIP [] debug_object_deactivate+0x1a6/0x3c0 [ 165.091207] RSP [ 165.094819] ---[ end trace 44608947267fa5cb ]--- [ 165.099559] Kernel panic - not syncing: Fatal exception in interrupt SeaBIOS (version 1.8.2-20171120_144221-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 0x000f2360: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Booting from Hard Disk 0... early console in decompress_kernel input_data: 0x00000000037cb26e input_len: 0x0000000001423b30 output: 0x0000000001000000 output_len: 0x0000000003bdaa40 run_size: 0x0000000005310000 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 4.4.120-gd63fdf6 (syzkaller@ci) (gcc version 7.1.1 20170620 (GCC) ) #29 SMP PREEMPT Tue Mar 6 13:11:38 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=120 [ 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] x86/fpu: Using 'eager' FPU context switches. [ 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] 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 0x000f23e0-0x000f23ef] mapped at [ffff8800000f23e0] [ 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 0x00000000000F23A0 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 2515115434 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 s134024 r8192 d29816 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=120 [ 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: 6581404K/7863876K available (40422K kernel code, 6136K rwdata, 8808K rodata, 1848K init, 23616K bss, 1282472K reserved, 0K cma-reserved) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 [ 0.000000] Kernel/User page tables isolation: enabled [ 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 [ 1.161740] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.162913] pid_max: default: 32768 minimum: 301 [ 1.164421] ACPI: Core revision 20150930 [ 1.582355] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.584269] Security Framework initialized [ 1.584839] SELinux: Initializing. [ 1.585491] AppArmor: AppArmor disabled by boot time parameter [ 1.586408] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.587336] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.591062] Initializing cgroup subsys io [ 1.591674] Initializing cgroup subsys freezer [ 1.592320] Initializing cgroup subsys hugetlb [ 1.592946] Initializing cgroup subsys debug [ 1.593710] CPU: Physical Processor ID: 0 [ 1.595633] mce: CPU supports 32 MCE banks [ 1.596419] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.597245] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.598147] Spectre V2 : Vulnerable: Minimal generic ASM retpoline [ 1.601318] Freeing SMP alternatives memory: 44K [ 1.611410] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.730923] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.732383] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.821169] x86: Booting SMP configuration: [ 1.821858] .... node #0, CPUs: #1 [ 1.822634] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.827440] x86: Booted up 1 node, 2 CPUs [ 1.828027] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.832184] devtmpfs: initialized [ 1.842411] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.843816] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.845483] xor: automatically using best checksumming function: [ 1.858569] kworker/u4:0 (21) used greatest stack depth: 27448 bytes left [ 1.940925] avx : 21676.000 MB/sec [ 1.942115] RTC time: 0:05:19, date: 03/25/18 [ 1.944365] NET: Registered protocol family 16 [ 1.945463] schedtune: init normalization constants... [ 1.946254] schedtune: no energy model data [ 1.946828] schedtune: disabled! [ 1.981205] cpuidle: using governor ladder [ 2.010976] cpuidle: using governor menu [ 2.012290] ACPI: bus type PCI registered [ 2.012884] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 2.015700] PCI: Using configuration type 1 for base access [ 2.040057] kworker/u4:2 (93) used greatest stack depth: 27080 bytes left [ 2.440948] raid6: sse2x1 gen() 4653 MB/s [ 2.610892] raid6: sse2x1 xor() 2641 MB/s [ 2.780882] raid6: sse2x2 gen() 7568 MB/s [ 2.950864] raid6: sse2x2 xor() 4348 MB/s [ 3.120860] raid6: sse2x4 gen() 9888 MB/s [ 3.290847] raid6: sse2x4 xor() 5682 MB/s [ 3.460835] raid6: avx2x1 gen() 9473 MB/s [ 3.630827] raid6: avx2x2 gen() 14713 MB/s [ 3.800811] raid6: avx2x4 gen() 19286 MB/s [ 3.801422] raid6: using algorithm avx2x4 gen() 19286 MB/s [ 3.802185] raid6: using avx2x2 recovery algorithm [ 3.803491] ACPI: Added _OSI(Module Device) [ 3.804215] ACPI: Added _OSI(Processor Device) [ 3.804829] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.805471] ACPI: Added _OSI(Processor Aggregator Device) [ 3.831074] ACPI: Executed 2 blocks of module-level executable AML code [ 4.667058] ACPI: Interpreter enabled [ 4.668025] ACPI: (supports S0 S3 S4 S5) [ 4.668593] ACPI: Using IOAPIC for interrupt routing [ 4.669780] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug