KASAN: slab-out-of-bounds Read in pfkey_compile_policy
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syzbot
Apr 13, 2019, 8:00:38 PM4/13/19
to syzkaller-a...@googlegroups.com
Hello,
syzbot found the following crash on:
HEAD commit: 610c8356
git tree: android-4.4
console output: https://syzkaller.appspot.com/x/log.txt?x=12288da1800000
kernel config: https://syzkaller.appspot.com/x/.config?x=44509e3077d6939
dashboard link: https://syzkaller.appspot.com/bug?extid=fde1d9f1050759283cfc
compiler: gcc (GCC) 7.1.1 20170620
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13883e01800000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10ee5421800000
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+fde1d9...@syzkaller.appspotmail.com
random: sshd: uninitialized urandom read (32 bytes read, 116 bits of
entropy available)
==================================================================
BUG: KASAN: slab-out-of-bounds in pfkey_sadb2xfrm_user_sec_ctx
net/key/af_key.c:474 [inline]
BUG: KASAN: slab-out-of-bounds in pfkey_compile_policy+0x8e0/0xce0
net/key/af_key.c:3306
Read of size 1280 at addr ffff8801d1347158 by task syzkaller121655/3319
CPU: 1 PID: 3319 Comm: syzkaller121655 Not tainted 4.4.107-g610c835 #12
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
0000000000000000 dcfb167cc2a23fe8 ffff8801d506f880 ffffffff81d0457d
ffffea000744d1c0 ffff8801d1347158 0000000000000000 ffff8801d1347200
ffff8800b469f700 ffff8801d506f8b8 ffffffff814fbb23 ffff8801d1347158
Call Trace:
[<ffffffff81d0457d>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81d0457d>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
[<ffffffff814fbb23>] print_address_description+0x73/0x260
mm/kasan/report.c:252
[<ffffffff814fc035>] kasan_report_error mm/kasan/report.c:351 [inline]
[<ffffffff814fc035>] kasan_report+0x285/0x370 mm/kasan/report.c:408
[<ffffffff814faa77>] check_memory_region_inline mm/kasan/kasan.c:325
[inline]
[<ffffffff814faa77>] check_memory_region+0x137/0x190 mm/kasan/kasan.c:332
[<ffffffff814fafb3>] memcpy+0x23/0x50 mm/kasan/kasan.c:367
[<ffffffff83456670>] pfkey_sadb2xfrm_user_sec_ctx net/key/af_key.c:474
[inline]
[<ffffffff83456670>] pfkey_compile_policy+0x8e0/0xce0 net/key/af_key.c:3306
[<ffffffff832bc568>] xfrm_user_policy+0x2f8/0x540
net/xfrm/xfrm_state.c:1869
[<ffffffff830fd594>] do_ip_setsockopt.isra.12+0x19d4/0x2900
net/ipv4/ip_sockglue.c:1140
[<ffffffff830fe4fa>] ip_setsockopt+0x3a/0xb0 net/ipv4/ip_sockglue.c:1218
[<ffffffff8311cff2>] tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2632
[<ffffffff82df2b55>] sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2659
[<ffffffff82defc20>] SYSC_setsockopt net/socket.c:1767 [inline]
[<ffffffff82defc20>] SyS_setsockopt+0x160/0x250 net/socket.c:1746
[<ffffffff83773d36>] entry_SYSCALL_64_fastpath+0x16/0x76
Allocated by task 3319:
[<ffffffff81035c86>] save_stack_trace+0x26/0x50
arch/x86/kernel/stacktrace.c:63
[<ffffffff814fab93>] save_stack+0x43/0xd0 mm/kasan/kasan.c:512
[<ffffffff814fae5d>] set_track mm/kasan/kasan.c:524 [inline]
[<ffffffff814fae5d>] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:616
[<ffffffff814f7134>] __kmalloc+0x124/0x320 mm/slub.c:3613
[<ffffffff832bc331>] kmalloc include/linux/slab.h:481 [inline]
[<ffffffff832bc331>] xfrm_user_policy+0xc1/0x540 net/xfrm/xfrm_state.c:1858
[<ffffffff830fd594>] do_ip_setsockopt.isra.12+0x19d4/0x2900
net/ipv4/ip_sockglue.c:1140
[<ffffffff830fe4fa>] ip_setsockopt+0x3a/0xb0 net/ipv4/ip_sockglue.c:1218
[<ffffffff8311cff2>] tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2632
[<ffffffff82df2b55>] sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2659
[<ffffffff82defc20>] SYSC_setsockopt net/socket.c:1767 [inline]
[<ffffffff82defc20>] SyS_setsockopt+0x160/0x250 net/socket.c:1746
[<ffffffff83773d36>] entry_SYSCALL_64_fastpath+0x16/0x76
Freed by task 1883:
[<ffffffff81035c86>] save_stack_trace+0x26/0x50
arch/x86/kernel/stacktrace.c:63
[<ffffffff814fab93>] save_stack+0x43/0xd0 mm/kasan/kasan.c:512
[<ffffffff814fb4b2>] set_track mm/kasan/kasan.c:524 [inline]
[<ffffffff814fb4b2>] kasan_slab_free+0x72/0xc0 mm/kasan/kasan.c:589
[<ffffffff814f7f3c>] slab_free_hook mm/slub.c:1383 [inline]
[<ffffffff814f7f3c>] slab_free_freelist_hook mm/slub.c:1405 [inline]
[<ffffffff814f7f3c>] slab_free mm/slub.c:2859 [inline]
[<ffffffff814f7f3c>] kfree+0xfc/0x300 mm/slub.c:3749
[<ffffffff8152cb8d>] free_bprm+0x19d/0x200 fs/exec.c:1246
[<ffffffff81533071>] do_execveat_common.isra.36+0x1711/0x1e60
fs/exec.c:1644
[<ffffffff81534132>] do_execve fs/exec.c:1679 [inline]
[<ffffffff81534132>] SYSC_execve fs/exec.c:1760 [inline]
[<ffffffff81534132>] SyS_execve+0x42/0x50 fs/exec.c:1755
[<ffffffff83773ff5>] return_from_execve+0x0/0x23
The buggy address belongs to the object at ffff8801d1347140
which belongs to the cache kmalloc-256 of size 256
The buggy address is located 24 bytes inside of
256-byte region [ffff8801d1347140, ffff8801d1347240)
The buggy address belongs to the page:
Initializing cgroup subsys cpuset
Initializing cgroup subsys cpu
Initializing cgroup subsys cpuacct
Initializing cgroup subsys schedtune
Linux version 4.4.107-g610c835 (syzkaller@ci) (gcc version 7.1.1 20170620
(GCC) ) #12 SMP PREEMPT Thu Dec 21 09:52:54 UTC 2017
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
KERNEL supported cpus:
Intel GenuineIntel
AMD AuthenticAMD
Centaur CentaurHauls
x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256
x86/fpu: Supporting XSAVE feature 0x01: 'x87 floating point registers'
x86/fpu: Supporting XSAVE feature 0x02: 'SSE registers'
x86/fpu: Supporting XSAVE feature 0x04: 'AVX registers'
x86/fpu: Enabled xstate features 0x7, context size is 832 bytes,
using 'standard' format.
x86/fpu: Using 'eager' FPU context switches.
e820: BIOS-provided physical RAM map:
BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable
BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved
BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved
BIOS-e820: [mem 0x0000000000100000-0x00000000bfffcfff] usable
BIOS-e820: [mem 0x00000000bfffd000-0x00000000bfffffff] reserved
BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff] reserved
BIOS-e820: [mem 0x0000000100000000-0x000000021fffffff] usable
bootconsole [earlyser0] enabled
NX (Execute Disable) protection: active
SMBIOS 2.4 present.
Hypervisor detected: KVM
e820: last_pfn = 0x220000 max_arch_pfn = 0x400000000
x86/PAT: Configuration [0-7]: WB WC UC- UC WB WC UC- WT
e820: last_pfn = 0xbfffd max_arch_pfn = 0x400000000
found SMP MP-table at [mem 0x000f32c0-0x000f32cf] mapped at
[ffff8800000f32c0]
Scanning 1 areas for low memory corruption
Using GB pages for direct mapping
ACPI: Early table checksum verification disabled
ACPI: RSDP 0x00000000000F3090 000014 (v00 Google)
ACPI: RSDT 0x00000000BFFFDC70 000034 (v01 Google GOOGRSDT 00000001 GOOG
00000001)
ACPI: FACP 0x00000000BFFFFF00 0000F4 (v02 Google GOOGFACP 00000001 GOOG
00000001)
ACPI: DSDT 0x00000000BFFFDCB0 0017B2 (v01 Google GOOGDSDT 00000001 GOOG
00000001)
ACPI: FACS 0x00000000BFFFFEC0 000040
ACPI: FACS 0x00000000BFFFFEC0 000040
ACPI: SSDT 0x00000000BFFFF590 000930 (v01 Google GOOGSSDT 00000001 GOOG
00000001)
ACPI: APIC 0x00000000BFFFF4A0 000076 (v01 Google GOOGAPIC 00000001 GOOG
00000001)
ACPI: WAET 0x00000000BFFFF470 000028 (v01 Google GOOGWAET 00000001 GOOG
00000001)
kvm-clock: Using msrs 4b564d01 and 4b564d00
kvm-clock: cpu 0, msr 2:1fffd001, primary cpu clock
kvm-clock: using sched offset of 2153309823 cycles
clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb,
max_idle_ns: 881590591483 ns
Zone ranges:
DMA [mem 0x0000000000001000-0x0000000000ffffff]
DMA32 [mem 0x0000000001000000-0x00000000ffffffff]
Normal [mem 0x0000000100000000-0x000000021fffffff]
Movable zone start for each node
Early memory node ranges
node 0: [mem 0x0000000000001000-0x000000000009efff]
node 0: [mem 0x0000000000100000-0x00000000bfffcfff]
node 0: [mem 0x0000000100000000-0x000000021fffffff]
Initmem setup node 0 [mem 0x0000000000001000-0x000000021fffffff]
kasan: KernelAddressSanitizer initialized
ACPI: PM-Timer IO Port: 0xb008
ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23
ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)
ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
Using ACPI (MADT) for SMP configuration information
smpboot: Allowing 2 CPUs, 0 hotplug CPUs
PM: Registered nosave memory: [mem 0x00000000-0x00000fff]
PM: Registered nosave memory: [mem 0x0009f000-0x0009ffff]
PM: Registered nosave memory: [mem 0x000a0000-0x000effff]
PM: Registered nosave memory: [mem 0x000f0000-0x000fffff]
PM: Registered nosave memory: [mem 0xbfffd000-0xbfffffff]
PM: Registered nosave memory: [mem 0xc0000000-0xfffbbfff]
PM: Registered nosave memory: [mem 0xfffbc000-0xffffffff]
e820: [mem 0xc0000000-0xfffbbfff] available for PCI devices
Booting paravirtualized kernel on KVM
clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff,
max_idle_ns: 19112604462750000 ns
setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:1
PERCPU: Embedded 42 pages/cpu @ffff8801db200000 s132680 r8192 d31160
u1048576
Built 1 zonelists in Zone order, mobility grouping on. Total pages: 1935238
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
PID hash table entries: 4096 (order: 3, 32768 bytes)
Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes)
Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes)
Memory: 6581500K/7863916K available (40421K kernel code, 6107K rwdata,
8804K rodata, 1828K init, 23616K bss, 1282416K reserved, 0K cma-reserved)
SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
Running RCU self tests
Preemptible hierarchical RCU implementation.
RCU lockdep checking is enabled.
Build-time adjustment of leaf fanout to 64.
RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2.
RCU: Adjusting geometry for rcu_fanout_leaf=64, nr_cpu_ids=2
NR_IRQS:4352 nr_irqs:440 16
console [ttyS0] enabled
console [ttyS0] enabled
bootconsole [earlyser0] disabled
bootconsole [earlyser0] disabled
Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
... MAX_LOCKDEP_SUBCLASSES: 8
... MAX_LOCK_DEPTH: 48
... MAX_LOCKDEP_KEYS: 8191
... CLASSHASH_SIZE: 4096
... MAX_LOCKDEP_ENTRIES: 32768
... MAX_LOCKDEP_CHAINS: 65536
... CHAINHASH_SIZE: 32768
memory used by lock dependency info: 8159 kB
per task-struct memory footprint: 1920 bytes
tsc: Detected 2300.000 MHz processor
Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS
(lpj=23000000)
pid_max: default: 32768 minimum: 301
ACPI: Core revision 20150930
ACPI: 2 ACPI AML tables successfully acquired and loaded
Security Framework initialized
SELinux: Initializing.
AppArmor: AppArmor disabled by boot time parameter
Mount-cache hash table entries: 16384 (order: 5, 131072 bytes)
Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes)
Initializing cgroup subsys io
Initializing cgroup subsys freezer
Initializing cgroup subsys hugetlb
Initializing cgroup subsys debug
CPU: Physical Processor ID: 0
mce: CPU supports 32 MCE banks
Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024
Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4
Freeing SMP alternatives memory: 44K
..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1
smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f,
stepping: 0x0)
Performance Events: unsupported p6 CPU model 63 no PMU driver, software
events only.
x86: Booting SMP configuration:
.... node #0, CPUs: #1
kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock
x86: Booted up 1 node, 2 CPUs
smpboot: Total of 2 processors activated (9200.00 BogoMIPS)
devtmpfs: initialized
clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns:
19112604462750000 ns
futex hash table entries: 512 (order: 4, 65536 bytes)
xor: automatically using best checksumming function:
kworker/u4:0 (21) used greatest stack depth: 27864 bytes left
avx : 21530.000 MB/sec
RTC time: 18:25:36, date: 12/21/17
NET: Registered protocol family 16
schedtune: init normalization constants...
schedtune: no energy model data
schedtune: disabled!
kworker/u4:1 (33) used greatest stack depth: 26984 bytes left
cpuidle: using governor ladder
cpuidle: using governor menu
ACPI: bus type PCI registered
acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5
PCI: Using configuration type 1 for base access
raid6: sse2x1 gen() 4776 MB/s
raid6: sse2x1 xor() 2390 MB/s
raid6: sse2x2 gen() 7059 MB/s
raid6: sse2x2 xor() 4028 MB/s
raid6: sse2x4 gen() 8668 MB/s
raid6: sse2x4 xor() 5313 MB/s
raid6: avx2x1 gen() 9437 MB/s
raid6: avx2x2 gen() 14650 MB/s
raid6: avx2x4 gen() 19201 MB/s
raid6: using algorithm avx2x4 gen() 19201 MB/s
raid6: using avx2x2 recovery algorithm
ACPI: Added _OSI(Module Device)
ACPI: Added _OSI(Processor Device)
ACPI: Added _OSI(3.0 _SCP Extensions)
ACPI: Added _OSI(Processor Aggregator Device)
ACPI: Executed 2 blocks of module-level executable AML code
ACPI: Interpreter enabled
ACPI: (supports S0 S3 S4 S5)
ACPI: Using IOAPIC for interrupt routing
PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and
report a bug
ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI]
acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM
acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended
PCI configuration space under this bridge.
PCI host bridge to bus 0000:00
pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window]
pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window]
pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window]
pci_bus 0000:00: root bus resource [bus 00-ff]
pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI
ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11)
ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11)
ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11)
ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11)
ACPI: PCI Interrupt Link [LNKS] (IRQs *9)
ACPI: Enabled 16 GPEs in block 00 to 0F
vgaarb: loaded
SCSI subsystem initialized
ACPI: bus type USB registered
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
pps_core: LinuxPPS API ver. 1 registered
pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti
<giom...@linux.it>
PTP clock support registered
Advanced Linux Sound Architecture Driver Initialized.
PCI: Using ACPI for IRQ routing
NetLabel: Initializing
NetLabel: domain hash size = 128
NetLabel: protocols = UNLABELED CIPSOv4
NetLabel: unlabeled traffic allowed by default
amd_nb: Cannot enumerate AMD northbridges
clocksource: Switched to clocksource kvm-clock
pnp: PnP ACPI init
pnp: PnP ACPI: found 7 devices
clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns:
2085701024 ns
NET: Registered protocol family 2
TCP established hash table entries: 65536 (order: 7, 524288 bytes)
TCP bind hash table entries: 65536 (order: 10, 4194304 bytes)
TCP: Hash tables configured (established 65536 bind 65536)
UDP hash table entries: 4096 (order: 7, 655360 bytes)
UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes)
NET: Registered protocol family 1
pci 0000:00:00.0: Limiting direct PCI/PCI transfers
PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
software IO TLB [mem 0xbbffd000-0xbfffd000] (64MB) mapped at
[ffff8800bbffd000-ffff8800bfffcfff]
RAPL PMU detected, API unit is 2^-32 Joules, 3 fixed counters 10737418240
ms ovfl timer
hw unit of domain pp0-core 2^-0 Joules
hw unit of domain package 2^-0 Joules
hw unit of domain dram 2^-16 Joules
Scanning for low memory corruption every 60 seconds
audit: initializing netlink subsys (disabled)
audit: type=2000 audit(1513880739.022:1): initialized
HugeTLB registered 2 MB page size, pre-allocated 0 pages
VFS: Disk quotas dquot_6.6.0
VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
fuse init (API version 7.23)
9p: Installing v9fs 9p2000 file system support
async_tx: api initialized (async)
Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249)
io scheduler noop registered
io scheduler deadline registered
io scheduler cfq registered (default)
pci_hotplug: PCI Hot Plug PCI Core version: 0.5
input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0
ACPI: Power Button [PWRF]
input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1
ACPI: Sleep Button [SLPF]
ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11
virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver
ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 10
virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver
Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A
00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A
00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A
Non-volatile memory driver v1.3
Linux agpgart interface v0.103
[drm] Initialized drm 1.1.0 20060810
brd: module loaded
loop: module loaded
nbd: registered device at major 43
drbd: initialized. Version: 8.4.5 (api:1/proto:86-101)
drbd: built-in
drbd: registered as block device major 147
scsi host0: Virtio SCSI HBA
scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6
tsc: Refined TSC clocksource calibration: 2299.919 MHz
clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x2126e8a8a33,
max_idle_ns: 440795311003 ns
st: Version 20101219, fixed bufsize 32768, s/g segs 256
osst :I: Tape driver with OnStream support version 0.99.4
osst :I: $Id: osst.c,v 1.73 2005/01/01 21:13:34 wriede Exp $
sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB)
sd 0:0:1:0: [sda] 4096-byte physical blocks
sd 0:0:1:0: Attached scsi generic sg0 type 0
SCSI Media Changer driver v0.25
tun: Universal TUN/TAP device driver, 1.6
sd 0:0:1:0: [sda] Write Protect is off
sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't
support DPO or FUA
tun: (C) 1999-2004 Max Krasnyansky <ma...@qualcomm.com>
e100: Intel(R) PRO/100 Network Driver, 3.5.24-k2-NAPI
e100: Copyright(c) 1999-2006 Intel Corporation
e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI
e1000: Copyright (c) 1999-2006 Intel Corporation.
sda: sda1
e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k
e1000e: Copyright(c) 1999 - 2015 Intel Corporation.
sky2: driver version 1.30
PPP generic driver version 2.4.2
PPP BSD Compression module registered
PPP Deflate Compression module registered
PPP MPPE Compression module registered
NET: Registered protocol family 24
usbcore: registered new interface driver asix
usbcore: registered new interface driver ax88179_178a
usbcore: registered new interface driver cdc_ether
usbcore: registered new interface driver net1080
usbcore: registered new interface driver cdc_subset
usbcore: registered new interface driver zaurus
usbcore: registered new interface driver cdc_ncm
ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
ehci-pci: EHCI PCI platform driver
ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
ohci-pci: OHCI PCI platform driver
uhci_hcd: USB Universal Host Controller Interface driver
usbcore: registered new interface driver usblp
usbcore: registered new interface driver usb-storage
i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12
i8042: Warning: Keylock active
serio: i8042 KBD port at 0x60,0x64 irq 1
serio: i8042 AUX port at 0x60,0x64 irq 12
mousedev: PS/2 mouse device common for all mice
usbcore: registered new interface driver xpad
usbcore: registered new interface driver usb_acecad
usbcore: registered new interface driver aiptek
usbcore: registered new interface driver gtco
usbcore: registered new interface driver hanwang
usbcore: registered new interface driver kbtab
rtc_cmos 00:00: RTC can wake from S4
rtc_cmos 00:00: rtc core: registered rtc_cmos as rtc0
rtc_cmos 00:00: alarms up to one day, 114 bytes nvram
iTCO_wdt: Intel TCO WatchDog Timer Driver v1.11
softdog: Software Watchdog Timer: 0.08 initialized. soft_noboot=0
soft_margin=60 sec soft_panic=0 (nowayout=0)
md: linear personality registered for level -1
md: raid0 personality registered for level 0
md: raid1 personality registered for level 1
md: raid10 personality registered for level 10
md: raid6 personality registered for level 6
md: raid5 personality registered for level 5
md: raid4 personality registered for level 4
md: multipath personality registered for level -4
md: faulty personality registered for level -5
sd 0:0:1:0: [sda] Attached SCSI disk
device-mapper: uevent: version 1.0.3
device-mapper: ioctl: 4.34.0-ioctl (2015-10-28) initialised:
dm-d...@redhat.com
device-mapper: multipath: version 1.10.0 loaded
device-mapper: multipath round-robin: version 1.0.0 loaded
device-mapper: multipath queue-length: version 0.1.0 loaded
device-mapper: multipath service-time: version 0.2.0 loaded
device-mapper: raid: Loading target version 1.7.0
hidraw: raw HID events driver (C) Jiri Kosina
usbcore: registered new interface driver usbhid
usbhid: USB HID core driver
ashmem: initialized
oprofile: using timer interrupt.
pktgen: Packet Generator for packet performance testing. Version: 2.75
GACT probability on
Mirror/redirect action on
Simple TC action Loaded
netem: version 1.3
u32 classifier
Actions configured
Netfilter messages via NETLINK v0.30.
nf_conntrack version 0.5.0 (65536 buckets, 262144 max)
ctnetlink v0.93: registering with nfnetlink.
nf_tables: (c) 2007-2009 Patrick McHardy <ka...@trash.net>
xt_time: kernel timezone is -0000
IPVS: Registered protocols (TCP, UDP, AH, ESP)
IPVS: Connection hash table configured (size=4096, memory=64Kbytes)
IPVS: Creating netns size=2552 id=0
IPVS: ipvs loaded.
IPVS: [rr] scheduler registered.
IPVS: [wrr] scheduler registered.
IPVS: [lc] scheduler registered.
IPVS: [wlc] scheduler registered.
IPVS: [lblc] scheduler registered.
IPVS: [lblcr] scheduler registered.
IPVS: [dh] scheduler registered.
IPVS: [sh] scheduler registered.
IPVS: [sed] scheduler registered.
IPVS: [nq] scheduler registered.
ipip: IPv4 over IPv4 tunneling driver
input: AT Translated Set 2 keyboard as
/devices/platform/i8042/serio0/input/input2
ip_tables: (C) 2000-2006 Netfilter Core Team
arp_tables: (C) 2002 David S. Miller
Initializing XFRM netlink socket
NET: Registered protocol family 10
mip6: Mobile IPv6
ip6_tables: (C) 2000-2006 Netfilter Core Team
sit: IPv6 over IPv4 tunneling driver
NET: Registered protocol family 17
NET: Registered protocol family 15
l2tp_core: L2TP core driver, V2.0
l2tp_ppp: PPPoL2TP kernel driver, V2.0
9pnet: Installing 9P2000 support
Key type dns_resolver registered
microcode: CPU0 sig=0x306f0, pf=0x1, revision=0x1
microcode: CPU1 sig=0x306f0, pf=0x1, revision=0x1
microcode: Microcode Update Driver: v2.01 <tig...@aivazian.fsnet.co.uk>,
Peter Oruba
AVX2 version of gcm_enc/dec engaged.
AES CTR mode by8 optimization enabled
registered taskstats version 1
Btrfs loaded
Magic number: 13:898:443
console [netcon0] enabled
netconsole: network logging started
ALSA device list:
No soundcards found.
md: Waiting for all devices to be available before autodetect
md: If you don't use raid, use raid=noautodetect
md: Autodetecting RAID arrays.
md: Scanned 0 and added 0 devices.
md: autorun ...
md: ... autorun DONE.
EXT4-fs (sda1): couldn't mount as ext3 due to feature incompatibilities
EXT4-fs (sda1): INFO: recovery required on readonly filesystem
EXT4-fs (sda1): write access will be enabled during recovery
EXT4-fs (sda1): recovery complete
EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null)
VFS: Mounted root (ext4 filesystem) readonly on device 8:1.
devtmpfs: mounted
Freeing unused kernel memory: 1828K
Kernel memory protection disabled.
---
This bug is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this bug report. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot can test patches for this bug, for details see:
https://goo.gl/tpsmEJ#testing-patches
syzbot found the following crash on:
HEAD commit: 610c8356
git tree: android-4.4
console output: https://syzkaller.appspot.com/x/log.txt?x=12288da1800000
kernel config: https://syzkaller.appspot.com/x/.config?x=44509e3077d6939
dashboard link: https://syzkaller.appspot.com/bug?extid=fde1d9f1050759283cfc
compiler: gcc (GCC) 7.1.1 20170620
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13883e01800000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10ee5421800000
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+fde1d9...@syzkaller.appspotmail.com
random: sshd: uninitialized urandom read (32 bytes read, 116 bits of
entropy available)
==================================================================
BUG: KASAN: slab-out-of-bounds in pfkey_sadb2xfrm_user_sec_ctx
net/key/af_key.c:474 [inline]
BUG: KASAN: slab-out-of-bounds in pfkey_compile_policy+0x8e0/0xce0
net/key/af_key.c:3306
Read of size 1280 at addr ffff8801d1347158 by task syzkaller121655/3319
CPU: 1 PID: 3319 Comm: syzkaller121655 Not tainted 4.4.107-g610c835 #12
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
0000000000000000 dcfb167cc2a23fe8 ffff8801d506f880 ffffffff81d0457d
ffffea000744d1c0 ffff8801d1347158 0000000000000000 ffff8801d1347200
ffff8800b469f700 ffff8801d506f8b8 ffffffff814fbb23 ffff8801d1347158
Call Trace:
[<ffffffff81d0457d>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81d0457d>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
[<ffffffff814fbb23>] print_address_description+0x73/0x260
mm/kasan/report.c:252
[<ffffffff814fc035>] kasan_report_error mm/kasan/report.c:351 [inline]
[<ffffffff814fc035>] kasan_report+0x285/0x370 mm/kasan/report.c:408
[<ffffffff814faa77>] check_memory_region_inline mm/kasan/kasan.c:325
[inline]
[<ffffffff814faa77>] check_memory_region+0x137/0x190 mm/kasan/kasan.c:332
[<ffffffff814fafb3>] memcpy+0x23/0x50 mm/kasan/kasan.c:367
[<ffffffff83456670>] pfkey_sadb2xfrm_user_sec_ctx net/key/af_key.c:474
[inline]
[<ffffffff83456670>] pfkey_compile_policy+0x8e0/0xce0 net/key/af_key.c:3306
[<ffffffff832bc568>] xfrm_user_policy+0x2f8/0x540
net/xfrm/xfrm_state.c:1869
[<ffffffff830fd594>] do_ip_setsockopt.isra.12+0x19d4/0x2900
net/ipv4/ip_sockglue.c:1140
[<ffffffff830fe4fa>] ip_setsockopt+0x3a/0xb0 net/ipv4/ip_sockglue.c:1218
[<ffffffff8311cff2>] tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2632
[<ffffffff82df2b55>] sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2659
[<ffffffff82defc20>] SYSC_setsockopt net/socket.c:1767 [inline]
[<ffffffff82defc20>] SyS_setsockopt+0x160/0x250 net/socket.c:1746
[<ffffffff83773d36>] entry_SYSCALL_64_fastpath+0x16/0x76
Allocated by task 3319:
[<ffffffff81035c86>] save_stack_trace+0x26/0x50
arch/x86/kernel/stacktrace.c:63
[<ffffffff814fab93>] save_stack+0x43/0xd0 mm/kasan/kasan.c:512
[<ffffffff814fae5d>] set_track mm/kasan/kasan.c:524 [inline]
[<ffffffff814fae5d>] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:616
[<ffffffff814f7134>] __kmalloc+0x124/0x320 mm/slub.c:3613
[<ffffffff832bc331>] kmalloc include/linux/slab.h:481 [inline]
[<ffffffff832bc331>] xfrm_user_policy+0xc1/0x540 net/xfrm/xfrm_state.c:1858
[<ffffffff830fd594>] do_ip_setsockopt.isra.12+0x19d4/0x2900
net/ipv4/ip_sockglue.c:1140
[<ffffffff830fe4fa>] ip_setsockopt+0x3a/0xb0 net/ipv4/ip_sockglue.c:1218
[<ffffffff8311cff2>] tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2632
[<ffffffff82df2b55>] sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2659
[<ffffffff82defc20>] SYSC_setsockopt net/socket.c:1767 [inline]
[<ffffffff82defc20>] SyS_setsockopt+0x160/0x250 net/socket.c:1746
[<ffffffff83773d36>] entry_SYSCALL_64_fastpath+0x16/0x76
Freed by task 1883:
[<ffffffff81035c86>] save_stack_trace+0x26/0x50
arch/x86/kernel/stacktrace.c:63
[<ffffffff814fab93>] save_stack+0x43/0xd0 mm/kasan/kasan.c:512
[<ffffffff814fb4b2>] set_track mm/kasan/kasan.c:524 [inline]
[<ffffffff814fb4b2>] kasan_slab_free+0x72/0xc0 mm/kasan/kasan.c:589
[<ffffffff814f7f3c>] slab_free_hook mm/slub.c:1383 [inline]
[<ffffffff814f7f3c>] slab_free_freelist_hook mm/slub.c:1405 [inline]
[<ffffffff814f7f3c>] slab_free mm/slub.c:2859 [inline]
[<ffffffff814f7f3c>] kfree+0xfc/0x300 mm/slub.c:3749
[<ffffffff8152cb8d>] free_bprm+0x19d/0x200 fs/exec.c:1246
[<ffffffff81533071>] do_execveat_common.isra.36+0x1711/0x1e60
fs/exec.c:1644
[<ffffffff81534132>] do_execve fs/exec.c:1679 [inline]
[<ffffffff81534132>] SYSC_execve fs/exec.c:1760 [inline]
[<ffffffff81534132>] SyS_execve+0x42/0x50 fs/exec.c:1755
[<ffffffff83773ff5>] return_from_execve+0x0/0x23
The buggy address belongs to the object at ffff8801d1347140
which belongs to the cache kmalloc-256 of size 256
The buggy address is located 24 bytes inside of
256-byte region [ffff8801d1347140, ffff8801d1347240)
The buggy address belongs to the page:
Initializing cgroup subsys cpuset
Initializing cgroup subsys cpu
Initializing cgroup subsys cpuacct
Initializing cgroup subsys schedtune
Linux version 4.4.107-g610c835 (syzkaller@ci) (gcc version 7.1.1 20170620
(GCC) ) #12 SMP PREEMPT Thu Dec 21 09:52:54 UTC 2017
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
KERNEL supported cpus:
Intel GenuineIntel
AMD AuthenticAMD
Centaur CentaurHauls
x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256
x86/fpu: Supporting XSAVE feature 0x01: 'x87 floating point registers'
x86/fpu: Supporting XSAVE feature 0x02: 'SSE registers'
x86/fpu: Supporting XSAVE feature 0x04: 'AVX registers'
x86/fpu: Enabled xstate features 0x7, context size is 832 bytes,
using 'standard' format.
x86/fpu: Using 'eager' FPU context switches.
e820: BIOS-provided physical RAM map:
BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable
BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved
BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved
BIOS-e820: [mem 0x0000000000100000-0x00000000bfffcfff] usable
BIOS-e820: [mem 0x00000000bfffd000-0x00000000bfffffff] reserved
BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff] reserved
BIOS-e820: [mem 0x0000000100000000-0x000000021fffffff] usable
bootconsole [earlyser0] enabled
NX (Execute Disable) protection: active
SMBIOS 2.4 present.
Hypervisor detected: KVM
e820: last_pfn = 0x220000 max_arch_pfn = 0x400000000
x86/PAT: Configuration [0-7]: WB WC UC- UC WB WC UC- WT
e820: last_pfn = 0xbfffd max_arch_pfn = 0x400000000
found SMP MP-table at [mem 0x000f32c0-0x000f32cf] mapped at
[ffff8800000f32c0]
Scanning 1 areas for low memory corruption
Using GB pages for direct mapping
ACPI: Early table checksum verification disabled
ACPI: RSDP 0x00000000000F3090 000014 (v00 Google)
ACPI: RSDT 0x00000000BFFFDC70 000034 (v01 Google GOOGRSDT 00000001 GOOG
00000001)
ACPI: FACP 0x00000000BFFFFF00 0000F4 (v02 Google GOOGFACP 00000001 GOOG
00000001)
ACPI: DSDT 0x00000000BFFFDCB0 0017B2 (v01 Google GOOGDSDT 00000001 GOOG
00000001)
ACPI: FACS 0x00000000BFFFFEC0 000040
ACPI: FACS 0x00000000BFFFFEC0 000040
ACPI: SSDT 0x00000000BFFFF590 000930 (v01 Google GOOGSSDT 00000001 GOOG
00000001)
ACPI: APIC 0x00000000BFFFF4A0 000076 (v01 Google GOOGAPIC 00000001 GOOG
00000001)
ACPI: WAET 0x00000000BFFFF470 000028 (v01 Google GOOGWAET 00000001 GOOG
00000001)
kvm-clock: Using msrs 4b564d01 and 4b564d00
kvm-clock: cpu 0, msr 2:1fffd001, primary cpu clock
kvm-clock: using sched offset of 2153309823 cycles
clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb,
max_idle_ns: 881590591483 ns
Zone ranges:
DMA [mem 0x0000000000001000-0x0000000000ffffff]
DMA32 [mem 0x0000000001000000-0x00000000ffffffff]
Normal [mem 0x0000000100000000-0x000000021fffffff]
Movable zone start for each node
Early memory node ranges
node 0: [mem 0x0000000000001000-0x000000000009efff]
node 0: [mem 0x0000000000100000-0x00000000bfffcfff]
node 0: [mem 0x0000000100000000-0x000000021fffffff]
Initmem setup node 0 [mem 0x0000000000001000-0x000000021fffffff]
kasan: KernelAddressSanitizer initialized
ACPI: PM-Timer IO Port: 0xb008
ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23
ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)
ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
Using ACPI (MADT) for SMP configuration information
smpboot: Allowing 2 CPUs, 0 hotplug CPUs
PM: Registered nosave memory: [mem 0x00000000-0x00000fff]
PM: Registered nosave memory: [mem 0x0009f000-0x0009ffff]
PM: Registered nosave memory: [mem 0x000a0000-0x000effff]
PM: Registered nosave memory: [mem 0x000f0000-0x000fffff]
PM: Registered nosave memory: [mem 0xbfffd000-0xbfffffff]
PM: Registered nosave memory: [mem 0xc0000000-0xfffbbfff]
PM: Registered nosave memory: [mem 0xfffbc000-0xffffffff]
e820: [mem 0xc0000000-0xfffbbfff] available for PCI devices
Booting paravirtualized kernel on KVM
clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff,
max_idle_ns: 19112604462750000 ns
setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:1
PERCPU: Embedded 42 pages/cpu @ffff8801db200000 s132680 r8192 d31160
u1048576
Built 1 zonelists in Zone order, mobility grouping on. Total pages: 1935238
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
PID hash table entries: 4096 (order: 3, 32768 bytes)
Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes)
Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes)
Memory: 6581500K/7863916K available (40421K kernel code, 6107K rwdata,
8804K rodata, 1828K init, 23616K bss, 1282416K reserved, 0K cma-reserved)
SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
Running RCU self tests
Preemptible hierarchical RCU implementation.
RCU lockdep checking is enabled.
Build-time adjustment of leaf fanout to 64.
RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2.
RCU: Adjusting geometry for rcu_fanout_leaf=64, nr_cpu_ids=2
NR_IRQS:4352 nr_irqs:440 16
console [ttyS0] enabled
console [ttyS0] enabled
bootconsole [earlyser0] disabled
bootconsole [earlyser0] disabled
Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
... MAX_LOCKDEP_SUBCLASSES: 8
... MAX_LOCK_DEPTH: 48
... MAX_LOCKDEP_KEYS: 8191
... CLASSHASH_SIZE: 4096
... MAX_LOCKDEP_ENTRIES: 32768
... MAX_LOCKDEP_CHAINS: 65536
... CHAINHASH_SIZE: 32768
memory used by lock dependency info: 8159 kB
per task-struct memory footprint: 1920 bytes
tsc: Detected 2300.000 MHz processor
Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS
(lpj=23000000)
pid_max: default: 32768 minimum: 301
ACPI: Core revision 20150930
ACPI: 2 ACPI AML tables successfully acquired and loaded
Security Framework initialized
SELinux: Initializing.
AppArmor: AppArmor disabled by boot time parameter
Mount-cache hash table entries: 16384 (order: 5, 131072 bytes)
Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes)
Initializing cgroup subsys io
Initializing cgroup subsys freezer
Initializing cgroup subsys hugetlb
Initializing cgroup subsys debug
CPU: Physical Processor ID: 0
mce: CPU supports 32 MCE banks
Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024
Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4
Freeing SMP alternatives memory: 44K
..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1
smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f,
stepping: 0x0)
Performance Events: unsupported p6 CPU model 63 no PMU driver, software
events only.
x86: Booting SMP configuration:
.... node #0, CPUs: #1
kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock
x86: Booted up 1 node, 2 CPUs
smpboot: Total of 2 processors activated (9200.00 BogoMIPS)
devtmpfs: initialized
clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns:
19112604462750000 ns
futex hash table entries: 512 (order: 4, 65536 bytes)
xor: automatically using best checksumming function:
kworker/u4:0 (21) used greatest stack depth: 27864 bytes left
avx : 21530.000 MB/sec
RTC time: 18:25:36, date: 12/21/17
NET: Registered protocol family 16
schedtune: init normalization constants...
schedtune: no energy model data
schedtune: disabled!
kworker/u4:1 (33) used greatest stack depth: 26984 bytes left
cpuidle: using governor ladder
cpuidle: using governor menu
ACPI: bus type PCI registered
acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5
PCI: Using configuration type 1 for base access
raid6: sse2x1 gen() 4776 MB/s
raid6: sse2x1 xor() 2390 MB/s
raid6: sse2x2 gen() 7059 MB/s
raid6: sse2x2 xor() 4028 MB/s
raid6: sse2x4 gen() 8668 MB/s
raid6: sse2x4 xor() 5313 MB/s
raid6: avx2x1 gen() 9437 MB/s
raid6: avx2x2 gen() 14650 MB/s
raid6: avx2x4 gen() 19201 MB/s
raid6: using algorithm avx2x4 gen() 19201 MB/s
raid6: using avx2x2 recovery algorithm
ACPI: Added _OSI(Module Device)
ACPI: Added _OSI(Processor Device)
ACPI: Added _OSI(3.0 _SCP Extensions)
ACPI: Added _OSI(Processor Aggregator Device)
ACPI: Executed 2 blocks of module-level executable AML code
ACPI: Interpreter enabled
ACPI: (supports S0 S3 S4 S5)
ACPI: Using IOAPIC for interrupt routing
PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and
report a bug
ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI]
acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM
acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended
PCI configuration space under this bridge.
PCI host bridge to bus 0000:00
pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window]
pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window]
pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window]
pci_bus 0000:00: root bus resource [bus 00-ff]
pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI
ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11)
ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11)
ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11)
ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11)
ACPI: PCI Interrupt Link [LNKS] (IRQs *9)
ACPI: Enabled 16 GPEs in block 00 to 0F
vgaarb: loaded
SCSI subsystem initialized
ACPI: bus type USB registered
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
pps_core: LinuxPPS API ver. 1 registered
pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti
<giom...@linux.it>
PTP clock support registered
Advanced Linux Sound Architecture Driver Initialized.
PCI: Using ACPI for IRQ routing
NetLabel: Initializing
NetLabel: domain hash size = 128
NetLabel: protocols = UNLABELED CIPSOv4
NetLabel: unlabeled traffic allowed by default
amd_nb: Cannot enumerate AMD northbridges
clocksource: Switched to clocksource kvm-clock
pnp: PnP ACPI init
pnp: PnP ACPI: found 7 devices
clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns:
2085701024 ns
NET: Registered protocol family 2
TCP established hash table entries: 65536 (order: 7, 524288 bytes)
TCP bind hash table entries: 65536 (order: 10, 4194304 bytes)
TCP: Hash tables configured (established 65536 bind 65536)
UDP hash table entries: 4096 (order: 7, 655360 bytes)
UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes)
NET: Registered protocol family 1
pci 0000:00:00.0: Limiting direct PCI/PCI transfers
PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
software IO TLB [mem 0xbbffd000-0xbfffd000] (64MB) mapped at
[ffff8800bbffd000-ffff8800bfffcfff]
RAPL PMU detected, API unit is 2^-32 Joules, 3 fixed counters 10737418240
ms ovfl timer
hw unit of domain pp0-core 2^-0 Joules
hw unit of domain package 2^-0 Joules
hw unit of domain dram 2^-16 Joules
Scanning for low memory corruption every 60 seconds
audit: initializing netlink subsys (disabled)
audit: type=2000 audit(1513880739.022:1): initialized
HugeTLB registered 2 MB page size, pre-allocated 0 pages
VFS: Disk quotas dquot_6.6.0
VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
fuse init (API version 7.23)
9p: Installing v9fs 9p2000 file system support
async_tx: api initialized (async)
Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249)
io scheduler noop registered
io scheduler deadline registered
io scheduler cfq registered (default)
pci_hotplug: PCI Hot Plug PCI Core version: 0.5
input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0
ACPI: Power Button [PWRF]
input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1
ACPI: Sleep Button [SLPF]
ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11
virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver
ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 10
virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver
Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A
00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A
00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A
Non-volatile memory driver v1.3
Linux agpgart interface v0.103
[drm] Initialized drm 1.1.0 20060810
brd: module loaded
loop: module loaded
nbd: registered device at major 43
drbd: initialized. Version: 8.4.5 (api:1/proto:86-101)
drbd: built-in
drbd: registered as block device major 147
scsi host0: Virtio SCSI HBA
scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6
tsc: Refined TSC clocksource calibration: 2299.919 MHz
clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x2126e8a8a33,
max_idle_ns: 440795311003 ns
st: Version 20101219, fixed bufsize 32768, s/g segs 256
osst :I: Tape driver with OnStream support version 0.99.4
osst :I: $Id: osst.c,v 1.73 2005/01/01 21:13:34 wriede Exp $
sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB)
sd 0:0:1:0: [sda] 4096-byte physical blocks
sd 0:0:1:0: Attached scsi generic sg0 type 0
SCSI Media Changer driver v0.25
tun: Universal TUN/TAP device driver, 1.6
sd 0:0:1:0: [sda] Write Protect is off
sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't
support DPO or FUA
tun: (C) 1999-2004 Max Krasnyansky <ma...@qualcomm.com>
e100: Intel(R) PRO/100 Network Driver, 3.5.24-k2-NAPI
e100: Copyright(c) 1999-2006 Intel Corporation
e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI
e1000: Copyright (c) 1999-2006 Intel Corporation.
sda: sda1
e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k
e1000e: Copyright(c) 1999 - 2015 Intel Corporation.
sky2: driver version 1.30
PPP generic driver version 2.4.2
PPP BSD Compression module registered
PPP Deflate Compression module registered
PPP MPPE Compression module registered
NET: Registered protocol family 24
usbcore: registered new interface driver asix
usbcore: registered new interface driver ax88179_178a
usbcore: registered new interface driver cdc_ether
usbcore: registered new interface driver net1080
usbcore: registered new interface driver cdc_subset
usbcore: registered new interface driver zaurus
usbcore: registered new interface driver cdc_ncm
ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
ehci-pci: EHCI PCI platform driver
ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
ohci-pci: OHCI PCI platform driver
uhci_hcd: USB Universal Host Controller Interface driver
usbcore: registered new interface driver usblp
usbcore: registered new interface driver usb-storage
i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12
i8042: Warning: Keylock active
serio: i8042 KBD port at 0x60,0x64 irq 1
serio: i8042 AUX port at 0x60,0x64 irq 12
mousedev: PS/2 mouse device common for all mice
usbcore: registered new interface driver xpad
usbcore: registered new interface driver usb_acecad
usbcore: registered new interface driver aiptek
usbcore: registered new interface driver gtco
usbcore: registered new interface driver hanwang
usbcore: registered new interface driver kbtab
rtc_cmos 00:00: RTC can wake from S4
rtc_cmos 00:00: rtc core: registered rtc_cmos as rtc0
rtc_cmos 00:00: alarms up to one day, 114 bytes nvram
iTCO_wdt: Intel TCO WatchDog Timer Driver v1.11
softdog: Software Watchdog Timer: 0.08 initialized. soft_noboot=0
soft_margin=60 sec soft_panic=0 (nowayout=0)
md: linear personality registered for level -1
md: raid0 personality registered for level 0
md: raid1 personality registered for level 1
md: raid10 personality registered for level 10
md: raid6 personality registered for level 6
md: raid5 personality registered for level 5
md: raid4 personality registered for level 4
md: multipath personality registered for level -4
md: faulty personality registered for level -5
sd 0:0:1:0: [sda] Attached SCSI disk
device-mapper: uevent: version 1.0.3
device-mapper: ioctl: 4.34.0-ioctl (2015-10-28) initialised:
dm-d...@redhat.com
device-mapper: multipath: version 1.10.0 loaded
device-mapper: multipath round-robin: version 1.0.0 loaded
device-mapper: multipath queue-length: version 0.1.0 loaded
device-mapper: multipath service-time: version 0.2.0 loaded
device-mapper: raid: Loading target version 1.7.0
hidraw: raw HID events driver (C) Jiri Kosina
usbcore: registered new interface driver usbhid
usbhid: USB HID core driver
ashmem: initialized
oprofile: using timer interrupt.
pktgen: Packet Generator for packet performance testing. Version: 2.75
GACT probability on
Mirror/redirect action on
Simple TC action Loaded
netem: version 1.3
u32 classifier
Actions configured
Netfilter messages via NETLINK v0.30.
nf_conntrack version 0.5.0 (65536 buckets, 262144 max)
ctnetlink v0.93: registering with nfnetlink.
nf_tables: (c) 2007-2009 Patrick McHardy <ka...@trash.net>
xt_time: kernel timezone is -0000
IPVS: Registered protocols (TCP, UDP, AH, ESP)
IPVS: Connection hash table configured (size=4096, memory=64Kbytes)
IPVS: Creating netns size=2552 id=0
IPVS: ipvs loaded.
IPVS: [rr] scheduler registered.
IPVS: [wrr] scheduler registered.
IPVS: [lc] scheduler registered.
IPVS: [wlc] scheduler registered.
IPVS: [lblc] scheduler registered.
IPVS: [lblcr] scheduler registered.
IPVS: [dh] scheduler registered.
IPVS: [sh] scheduler registered.
IPVS: [sed] scheduler registered.
IPVS: [nq] scheduler registered.
ipip: IPv4 over IPv4 tunneling driver
input: AT Translated Set 2 keyboard as
/devices/platform/i8042/serio0/input/input2
ip_tables: (C) 2000-2006 Netfilter Core Team
arp_tables: (C) 2002 David S. Miller
Initializing XFRM netlink socket
NET: Registered protocol family 10
mip6: Mobile IPv6
ip6_tables: (C) 2000-2006 Netfilter Core Team
sit: IPv6 over IPv4 tunneling driver
NET: Registered protocol family 17
NET: Registered protocol family 15
l2tp_core: L2TP core driver, V2.0
l2tp_ppp: PPPoL2TP kernel driver, V2.0
9pnet: Installing 9P2000 support
Key type dns_resolver registered
microcode: CPU0 sig=0x306f0, pf=0x1, revision=0x1
microcode: CPU1 sig=0x306f0, pf=0x1, revision=0x1
microcode: Microcode Update Driver: v2.01 <tig...@aivazian.fsnet.co.uk>,
Peter Oruba
AVX2 version of gcm_enc/dec engaged.
AES CTR mode by8 optimization enabled
registered taskstats version 1
Btrfs loaded
Magic number: 13:898:443
console [netcon0] enabled
netconsole: network logging started
ALSA device list:
No soundcards found.
md: Waiting for all devices to be available before autodetect
md: If you don't use raid, use raid=noautodetect
md: Autodetecting RAID arrays.
md: Scanned 0 and added 0 devices.
md: autorun ...
md: ... autorun DONE.
EXT4-fs (sda1): couldn't mount as ext3 due to feature incompatibilities
EXT4-fs (sda1): INFO: recovery required on readonly filesystem
EXT4-fs (sda1): write access will be enabled during recovery
EXT4-fs (sda1): recovery complete
EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null)
VFS: Mounted root (ext4 filesystem) readonly on device 8:1.
devtmpfs: mounted
Freeing unused kernel memory: 1828K
Kernel memory protection disabled.
---
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