[....] Starting enhanced syslogd: rsyslogd[ 14.195068] audit: type=1400 audit(1554642021.089:4): avc: denied { syslog } for pid=1918 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.212' (ECDSA) to the list of known hosts. 2019/04/07 13:01:44 parsed 1 programs 2019/04/07 13:01:46 executed programs: 0 syzkaller login: [ 100.843631] ================================================================== [ 100.851329] BUG: KASAN: use-after-free in disk_unblock_events+0x55/0x60 [ 100.858212] Read of size 8 at addr ffff8800b42273e8 by task syz-executor.2/2351 [ 100.866279] [ 100.868059] CPU: 0 PID: 2351 Comm: syz-executor.2 Not tainted 4.4.174+ #4 [ 100.875011] 0000000000000000 478b19a1118067c8 ffff8800b3a37730 ffffffff81aad1a1 [ 100.883343] 0000000000000000 ffffea0002d08800 ffff8800b42273e8 0000000000000008 [ 100.892535] 0000000000000000 ffff8800b3a37768 ffffffff81490120 0000000000000000 [ 100.901680] Call Trace: [ 100.904356] [] dump_stack+0xc1/0x120 [ 100.910026] [] print_address_description+0x6f/0x21b [ 100.916711] [] kasan_report.cold+0x8c/0x2be [ 100.922710] [] ? disk_unblock_events+0x55/0x60 [ 100.928961] [] __asan_report_load8_noabort+0x14/0x20 [ 100.935730] [] disk_unblock_events+0x55/0x60 [ 100.941807] [] __blkdev_get+0x70c/0xdf0 [ 100.947627] [] ? __blkdev_put+0x840/0x840 [ 100.953529] [] ? trace_hardirqs_on+0x10/0x10 [ 100.959688] [] blkdev_get+0x2e8/0x920 [ 100.965239] [] ? bd_may_claim+0xd0/0xd0 [ 100.970961] [] ? bd_acquire+0x8a/0x370 [ 100.976507] [] ? _raw_spin_unlock+0x2d/0x50 [ 100.982535] [] blkdev_open+0x1aa/0x250 [ 100.988117] [] do_dentry_open+0x38f/0xbd0 [ 100.994716] [] ? __inode_permission2+0x9e/0x250 [ 101.003462] [] ? blkdev_get_by_dev+0x80/0x80 [ 101.009835] [] vfs_open+0x10b/0x210 [ 101.015230] [] ? may_open.isra.0+0xe7/0x210 [ 101.021727] [] path_openat+0x136f/0x4470 [ 101.027476] [] ? kasan_kmalloc.part.0+0xc6/0xf0 [ 101.034159] [] ? may_open.isra.0+0x210/0x210 [ 101.040271] [] ? trace_hardirqs_on+0x10/0x10 [ 101.046496] [] do_filp_open+0x1a1/0x270 [ 101.053113] [] ? user_path_mountpoint_at+0x50/0x50 [ 101.059912] [] ? __alloc_fd+0x1ea/0x490 [ 101.065663] [] ? _raw_spin_unlock+0x2d/0x50 [ 101.072246] [] do_sys_open+0x2f8/0x600 [ 101.078239] [] ? filp_open+0x70/0x70 [ 101.083740] [] ? __might_fault+0x191/0x1d0 [ 101.089710] [] ? __might_fault+0xe7/0x1d0 [ 101.095684] [] ? SyS_clock_gettime+0x118/0x1e0 [ 101.102895] [] ? SyS_clock_settime+0x220/0x220 [ 101.109316] [] SyS_open+0x2d/0x40 [ 101.114473] [] entry_SYSCALL_64_fastpath+0x1e/0x9a [ 101.122416] [ 101.124520] Allocated by task 2340: [ 101.128175] [] save_stack_trace+0x26/0x50 [ 101.134342] [] kasan_kmalloc.part.0+0x62/0xf0 [ 101.141014] [] kasan_kmalloc+0xb7/0xd0 [ 101.146883] [] kmem_cache_alloc_trace+0x123/0x2d0 [ 101.153532] [] alloc_disk_node+0x50/0x3c0 [ 101.159499] [] alloc_disk+0x1b/0x20 [ 101.164917] [] loop_add+0x380/0x830 [ 101.171213] [] loop_probe+0x154/0x180 [ 101.178199] [] kobj_lookup+0x221/0x410 [ 101.183919] [] get_gendisk+0x3c/0x2e0 [ 101.189574] [] __blkdev_get+0x39c/0xdf0 [ 101.195359] [] blkdev_get+0x2e8/0x920 [ 101.201017] [] blkdev_open+0x1aa/0x250 [ 101.206669] [] do_dentry_open+0x38f/0xbd0 [ 101.212853] [] vfs_open+0x10b/0x210 [ 101.218565] [] path_openat+0x136f/0x4470 [ 101.224781] [] do_filp_open+0x1a1/0x270 [ 101.231244] [] do_sys_open+0x2f8/0x600 [ 101.236988] [] SyS_open+0x2d/0x40 [ 101.242317] [] entry_SYSCALL_64_fastpath+0x1e/0x9a [ 101.249111] [ 101.250736] Freed by task 2351: [ 101.254041] [] save_stack_trace+0x26/0x50 [ 101.260281] [] kasan_slab_free+0xb0/0x190 [ 101.266376] [] kfree+0xf4/0x310 [ 101.271551] [] disk_release+0x255/0x330 [ 101.277832] [] device_release+0x7d/0x220 [ 101.284361] [] kobject_put+0x14c/0x260 [ 101.290899] [] put_disk+0x23/0x30 [ 101.296460] [] __blkdev_get+0x66c/0xdf0 [ 101.302350] [] blkdev_get+0x2e8/0x920 [ 101.308415] [] blkdev_open+0x1aa/0x250 [ 101.314625] [] do_dentry_open+0x38f/0xbd0 [ 101.320678] [] vfs_open+0x10b/0x210 [ 101.326261] [] path_openat+0x136f/0x4470 [ 101.332209] [] do_filp_open+0x1a1/0x270 [ 101.337947] [] do_sys_open+0x2f8/0x600 [ 101.343609] [] SyS_open+0x2d/0x40 [ 101.348814] [] entry_SYSCALL_64_fastpath+0x1e/0x9a [ 101.355562] [ 101.357175] The buggy address belongs to the object at ffff8800b4226e80 [ 101.357175] which belongs to the cache kmalloc-2048 of size 2048 [ 101.370108] The buggy address is located 1384 bytes inside of [ 101.370108] 2048-byte region [ffff8800b4226e80, ffff8800b4227680) [ 101.394559] The buggy address belongs to the page: SeaBIOS (version 1.8.2-20190322_093631-google) Total RAM Size = 0x00000001e0000000 = 7680 MiB CPUs found: 2 Max CPUs supported: 2 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 0x000f29c0: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Booting from Hard Disk 0... [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Initializing cgroup subsys cpuacct [ 0.000000] Linux version 4.4.174+ (syzkaller@ci) (gcc version 9.0.0 20181231 (experimental) (GCC) ) #4 SMP PREEMPT Fri Feb 8 11:15:16 UTC 2019 [ 0.000000] Command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n 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] 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 0x0000000000100000-0x00000000bfffcfff] usable [ 0.000000] BIOS-e820: [mem 0x00000000bfffd000-0x00000000bfffffff] 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] 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 UC UC UC UC [ 0.000000] e820: last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.000000] found SMP MP-table at [mem 0x000f2c70-0x000f2c7f] mapped at [ffff8800000f2c70] [ 0.000000] Using GB pages for direct mapping [ 0.000000] ACPI: Early table checksum verification disabled [ 0.000000] ACPI: RSDP 0x00000000000F2A00 000014 (v00 Google) [ 0.000000] ACPI: RSDT 0x00000000BFFFDA50 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: FACP 0x00000000BFFFFF00 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.000000] ACPI: DSDT 0x00000000BFFFDA90 0018BA (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: FACS 0x00000000BFFFFEC0 000040 [ 0.000000] ACPI: FACS 0x00000000BFFFFEC0 000040 [ 0.000000] ACPI: SSDT 0x00000000BFFFF540 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: APIC 0x00000000BFFFF450 000076 (v01 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.000000] ACPI: WAET 0x00000000BFFFF420 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.000000] ACPI: SRAT 0x00000000BFFFF350 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 1608964377 cycles [ 0.000000] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.000000] Zone ranges: [ 0.000000] DMA32 [mem 0x0000000000001000-0x00000000ffffffff] [ 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 0x0000000000100000-0x00000000bfffcfff] [ 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] 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:8 nr_cpumask_bits:8 nr_cpu_ids:2 nr_node_ids:1 [ 0.000000] PERCPU: Embedded 41 pages/cpu @ffff8801db600000 s130696 r8192 d29048 u1048576 [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 1935238 [ 0.000000] Kernel command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n 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: 6609392K/7863916K available (23671K kernel code, 3786K rwdata, 5144K rodata, 1320K init, 23156K bss, 1254524K 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=8 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 [ 1.180061] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.181351] pid_max: default: 32768 minimum: 301 [ 1.182312] ACPI: Core revision 20150930 [ 1.255377] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.256756] Security Framework initialized [ 1.257358] SELinux: Initializing. [ 1.258359] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.259503] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.263558] Initializing cgroup subsys freezer [ 1.264498] CPU: Physical Processor ID: 0 [ 1.265168] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.266222] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.271955] Spectre V2 : Mitigation: Full generic retpoline [ 1.272960] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 1.274101] Speculative Store Bypass: Vulnerable [ 1.276028] Freeing SMP alternatives memory: 28K [ 1.286237] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.399253] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.400934] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.489594] x86: Booting SMP configuration: [ 1.490378] .... node #0, CPUs: #1 [ 1.491314] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.495526] x86: Booted up 1 node, 2 CPUs [ 1.496311] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.498696] CPU1: update max cpu_capacity 1024 [ 1.501842] devtmpfs: initialized [ 1.509104] CPU0: update max cpu_capacity 1024 [ 1.512423] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.514168] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.518749] NET: Registered protocol family 16 [ 1.549373] cpuidle: using governor ladder [ 1.579385] cpuidle: using governor menu [ 1.580709] ACPI: bus type PCI registered [ 1.581505] PCI: Using configuration type 1 for base access [ 1.649741] ACPI: Added _OSI(Module Device) [ 1.650554] ACPI: Added _OSI(Processor Device) [ 1.651310] ACPI: Added _OSI(3.0 _SCP Extensions) [ 1.652376] ACPI: Added _OSI(Processor Aggregator Device) [ 1.663866] ACPI: Executed 2 blocks of module-level executable AML code [ 1.745355] ACPI: Interpreter enabled [ 1.746355] ACPI: (supports S0 S3 S5) [ 1.746913] ACPI: Using IOAPIC for interrupt routing [ 1.747994] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 1.957472] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 1.958813] acpi PNP0A03:00: _OSC: OS supports [Segments MSI] [ 1.960281] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 1.975430] PCI host bridge to bus 0000:00 [ 1.976294] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 1.977432] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 1.978592] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 1.979909] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 1.980999] pci_bus 0000:00: root bus resource [bus 00-ff] [ 2.031681] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 2.125140] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 2.132493] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 2.139013] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 2.146145] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 2.150514] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 2.164464] ACPI: Enabled 16 GPEs in block 00 to 0F [ 2.167870] vgaarb: loaded [ 2.170904] SCSI subsystem initialized [ 2.172960] ACPI: bus type USB registered [ 2.174260] usbcore: registered new interface driver usbfs [ 2.175543] usbcore: registered new interface driver hub [ 2.176755] usbcore: registered new device driver usb [ 2.178733] Advanced Linux Sound Architecture Driver Initialized. [ 2.181736] PCI: Using ACPI for IRQ routing [ 2.187520] amd_nb: Cannot enumerate AMD northbridges [ 2.188535] clocksource: Switched to clocksource kvm-clock [ 2.304030] pnp: PnP ACPI init [ 2.328170] pnp: PnP ACPI: found 7 devices [ 2.340916] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 2.343060] NET: Registered protocol family 2 [ 2.346890] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 2.349125] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes) [ 2.354085] TCP: Hash tables configured (established 65536 bind 65536) [ 2.355519] UDP hash table entries: 4096 (order: 7, 655360 bytes) [ 2.357471] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes) [ 2.360201] NET: Registered protocol family 1 [ 2.361264] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 2.364012] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 2.364974] software IO TLB: mapped [mem 0xbbffd000-0xbfffd000] (64MB) [ 2.366689] RAPL PMU detected, API unit is 2^-32 Joules, 3 fixed counters 10737418240 ms ovfl timer [ 2.368024] hw unit of domain pp0-core 2^-0 Joules [ 2.369097] hw unit of domain package 2^-0 Joules [ 2.370004] hw unit of domain dram 2^-16 Joules [ 2.376489] audit: initializing netlink subsys (disabled) [ 2.377683] audit: type=2000 audit(1554642113.372:1): initialized [ 2.472865] VFS: Disk quotas dquot_6.6.0 [ 2.474547] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 2.489214] Registering sdcardfs 0.1 [ 2.494039] fuse init (API version 7.23) [ 2.515232] cryptomgr_test (31) used greatest stack depth: 28720 bytes left [ 2.528693] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 253) [ 2.530227] io scheduler noop registered [ 2.530891] io scheduler deadline registered [ 2.533283] io scheduler cfq registered (default) [ 2.542871] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 2.544247] ACPI: Power Button [PWRF] [ 2.546093] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 2.547378] ACPI: Sleep Button [SLPF] [ 2.548999] Warning: Processor Platform Limit event detected, but not handled. [ 2.550178] Consider compiling CPUfreq support into your kernel. [ 2.575304] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 2.576934] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 2.602203] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 2.603544] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 2.611589] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 2.634998] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 2.661458] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 2.687477] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 2.714090] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 2.785705] brd: module loaded [ 2.822301] loop: module loaded [ 2.839325] scsi host0: Virtio SCSI HBA [ 2.853577] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 3.359036] tsc: Refined TSC clocksource calibration: 2300.008 MHz [ 3.360983] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x21273cea6a0, max_idle_ns: 440795295103 ns [ 3.384610] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB) [ 3.384644] tun: Universal TUN/TAP device driver, 1.6 [ 3.384646] tun: (C) 1999-2004 Max Krasnyansky [ 3.393010] sd 0:0:1:0: [sda] 4096-byte physical blocks [ 3.400464] sd 0:0:1:0: [sda] Write Protect is off [ 3.404724] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 3.429405] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI [ 3.430588] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 3.432648] PPP generic driver version 2.4.2 [ 3.434991] PPP BSD Compression module registered [ 3.435961] PPP Deflate Compression module registered [ 3.437018] PPP MPPE Compression module registered [ 3.437830] NET: Registered protocol family 24 [ 3.439230] usbcore: registered new interface driver asix [ 3.440463] usbcore: registered new interface driver ax88179_178a [ 3.442086] sda: sda1 [ 3.442689] usbcore: registered new interface driver cdc_ether [ 3.443050] usbcore: registered new interface driver net1080 [ 3.443400] usbcore: registered new interface driver cdc_subset [ 3.443765] usbcore: registered new interface driver zaurus [ 3.444333] usbcore: registered new interface driver cdc_ncm [ 3.444359] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 3.444382] ehci-pci: EHCI PCI platform driver [ 3.445992] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12 [ 3.447672] i8042: Warning: Keylock active [ 3.449589] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 3.452063] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 3.460272] mousedev: PS/2 mouse device common for all mice [ 3.466417] usbcore: registered new interface driver xpad [ 3.467641] usbcore: registered new interface driver usb_acecad [ 3.469322] usbcore: registered new interface driver aiptek [ 3.470835] usbcore: registered new interface driver gtco [ 3.472291] usbcore: registered new interface driver hanwang [ 3.473795] usbcore: registered new interface driver kbtab [ 3.476316] sd 0:0:1:0: [sda] Attached SCSI disk [ 3.478009] rtc_cmos 00:00: RTC can wake from S4 [ 3.480859] rtc_cmos 00:00: rtc core: registered rtc_cmos as rtc0 [ 3.482223] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram [ 3.486771] device-mapper: uevent: version 1.0.3 [ 3.490534] device-mapper: ioctl: 4.34.0-ioctl (2015-10-28) initialised: dm-devel@redhat.com [ 3.493303] hidraw: raw HID events driver (C) Jiri Kosina [ 3.508400] usbcore: registered new interface driver usbhid [ 3.509581] usbhid: USB HID core driver [ 3.518626] ashmem: initialized [ 3.542764] u32 classifier [ 3.543262] Actions configured [ 3.544005] Netfilter messages via NETLINK v0.30. [ 3.545161] nf_conntrack version 0.5.0 (65536 buckets, 262144 max) [ 3.549930] ctnetlink v0.93: registering with nfnetlink. [ 3.556463] xt_time: kernel timezone is -0000 [ 3.557701] IPv4 over IPsec tunneling driver [ 3.563078] ip_tables: (C) 2000-2006 Netfilter Core Team [ 3.565535] arp_tables: (C) 2002 David S. Miller [ 3.567244] Initializing XFRM netlink socket [ 3.574887] NET: Registered protocol family 10 [ 3.583364] mip6: Mobile IPv6 [ 3.584780] ip6_tables: (C) 2000-2006 Netfilter Core Team [ 3.591567] sit: IPv6 over IPv4 tunneling driver [ 3.600097] NET: Registered protocol family 17 [ 3.601603] NET: Registered protocol family 15 [ 3.607349] registered taskstats version 1 [ 3.612933] rtc_cmos 00:00: setting system clock to 2019-04-07 13:01:54 UTC (1554642114) [ 3.615715] ALSA device list: [ 3.616648] No soundcards found. [ 3.661147] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 3.686093] EXT4-fs (sda1): couldn't mount as ext3 due to feature incompatibilities [ 3.689918] EXT4-fs (sda1): couldn't mount as ext2 due to feature incompatibilities [ 3.713736] EXT4-fs (sda1): mounted filesystem without journal. Opts: (null) [ 3.715233] VFS: Mounted root (ext4 filesystem) readonly on device 8:1. [ 3.731859] devtmpfs: mounted [ 3.736469] Freeing unused kernel memory: 1320K [ 3.737483] Kernel memory protection disabled. [ 4.856211] SELinux: Permission module_load in class system not defined in policy. [ 4.860530] SELinux: Class netlink_iscsi_socket not defined in policy. [ 4.861826] SELinux: Class netlink_fib_lookup_socket not defined in policy. [ 4.863023] SELinux: Class netlink_connector_socket not defined in policy. [ 4.864231] SELinux: Class netlink_netfilter_socket not defined in policy. [ 4.865342] SELinux: Class netlink_generic_socket not defined in policy. [ 4.866368] SELinux: Class netlink_scsitransport_socket not defined in policy. [ 4.868037] SELinux: Class netlink_rdma_socket not defined in policy. [ 4.869308] SELinux: Class netlink_crypto_socket not defined in policy. [ 4.870330] SELinux: Permission wake_alarm in class capability2 not defined in policy. [ 4.871650] SELinux: Permission block_suspend in class capability2 not defined in policy. [ 4.872977] SELinux: Permission audit_read in class capability2 not defined in policy. [ 4.874276] SELinux: Permission attach_queue in class tun_socket not defined in policy. [ 4.875544] SELinux: Class binder not defined in policy. [ 4.876400] SELinux: the above unknown classes and permissions will be denied [ 4.996603] audit: type=1403 audit(1554642115.870:2): policy loaded auid=4294967295 ses=4294967295 INIT: version 2.88 booting [ 5.175288] stty (356) used greatest stack depth: 26176 bytes left [info] [ 5.458389] echo (364) used greatest stack depth: 25968 bytes left Using makefile-style concurrent boot in runlevel S.