================================================================== BUG: KASAN: use-after-free in disk_unblock_events+0x55/0x60 block/genhd.c:1543 Read of size 8 at addr ffff8801d40fe2e8 by task blkid/2115 CPU: 1 PID: 2115 Comm: blkid Not tainted 4.4.174+ #17 0000000000000000 3a27a3d726531b1c ffff8801d421f730 ffffffff81aad1a1 0000000000000000 ffffea0007503e00 ffff8801d40fe2e8 0000000000000008 0000000000000000 ffff8801d421f768 ffffffff81490120 0000000000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] print_address_description+0x6f/0x21b mm/kasan/report.c:252 [] kasan_report_error mm/kasan/report.c:351 [inline] [] kasan_report mm/kasan/report.c:408 [inline] [] kasan_report.cold+0x8c/0x2be mm/kasan/report.c:393 [] __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:429 [] disk_unblock_events+0x55/0x60 block/genhd.c:1543 [] __blkdev_get+0x70c/0xdf0 fs/block_dev.c:1297 [] blkdev_get+0x2e8/0x920 fs/block_dev.c:1353 [] blkdev_open+0x1aa/0x250 fs/block_dev.c:1508 [] do_dentry_open+0x38f/0xbd0 fs/open.c:749 [] vfs_open+0x10b/0x210 fs/open.c:862 [] do_last fs/namei.c:3269 [inline] [] path_openat+0x136f/0x4470 fs/namei.c:3406 [] do_filp_open+0x1a1/0x270 fs/namei.c:3440 [] do_sys_open+0x2f8/0x600 fs/open.c:1038 [] SYSC_open fs/open.c:1056 [inline] [] SyS_open+0x2d/0x40 fs/open.c:1051 [] entry_SYSCALL_64_fastpath+0x1e/0x9a Allocated by task 2102: [] save_stack_trace+0x26/0x50 arch/x86/kernel/stacktrace.c:63 [] save_stack mm/kasan/kasan.c:512 [inline] [] set_track mm/kasan/kasan.c:524 [inline] [] kasan_kmalloc.part.0+0x62/0xf0 mm/kasan/kasan.c:616 [] kasan_kmalloc+0xb7/0xd0 mm/kasan/kasan.c:601 [] kmem_cache_alloc_trace+0x123/0x2d0 mm/slub.c:2642 [] kmem_cache_alloc_node_trace include/linux/slab.h:367 [inline] [] kmalloc_node include/linux/slab.h:514 [inline] [] kzalloc_node include/linux/slab.h:631 [inline] [] alloc_disk_node+0x50/0x3c0 block/genhd.c:1282 [] alloc_disk+0x1b/0x20 block/genhd.c:1274 [] loop_add+0x380/0x830 drivers/block/loop.c:1857 [] loop_probe+0x154/0x180 drivers/block/loop.c:1963 [] kobj_lookup+0x221/0x410 drivers/base/map.c:124 [] get_gendisk+0x3c/0x2e0 block/genhd.c:689 [] __blkdev_get+0x39c/0xdf0 fs/block_dev.c:1193 [] blkdev_get+0x481/0x920 fs/block_dev.c:1353 [] blkdev_open+0x1aa/0x250 fs/block_dev.c:1508 [] do_dentry_open+0x38f/0xbd0 fs/open.c:749 [] vfs_open+0x10b/0x210 fs/open.c:862 [] do_last fs/namei.c:3269 [inline] [] path_openat+0x136f/0x4470 fs/namei.c:3406 [] do_filp_open+0x1a1/0x270 fs/namei.c:3440 [] do_sys_open+0x2f8/0x600 fs/open.c:1038 [] C_SYSC_open fs/compat.c:1092 [inline] [] compat_SyS_open+0x2a/0x40 fs/compat.c:1090 [] do_syscall_32_irqs_on arch/x86/entry/common.c:330 [inline] [] do_fast_syscall_32+0x32d/0xa90 arch/x86/entry/common.c:397 [] sysenter_flags_fixed+0xd/0x1a Freed by task 2115: [] save_stack_trace+0x26/0x50 arch/x86/kernel/stacktrace.c:63 [] save_stack mm/kasan/kasan.c:512 [inline] [] set_track mm/kasan/kasan.c:524 [inline] [] kasan_slab_free+0xb0/0x190 mm/kasan/kasan.c:589 [] slab_free_hook mm/slub.c:1383 [inline] [] slab_free_freelist_hook mm/slub.c:1405 [inline] [] slab_free mm/slub.c:2859 [inline] [] kfree+0xf4/0x310 mm/slub.c:3749 [] disk_release+0x255/0x330 block/genhd.c:1118 [] device_release+0x7d/0x220 drivers/base/core.c:247 [] kobject_cleanup lib/kobject.c:643 [inline] [] kobject_release lib/kobject.c:672 [inline] [] kref_sub include/linux/kref.h:73 [inline] [] kref_put include/linux/kref.h:98 [inline] [] kobject_put+0x14c/0x260 lib/kobject.c:689 [] put_disk+0x23/0x30 block/genhd.c:1346 [] __blkdev_get+0x66c/0xdf0 fs/block_dev.c:1290 [] blkdev_get+0x2e8/0x920 fs/block_dev.c:1353 [] blkdev_open+0x1aa/0x250 fs/block_dev.c:1508 [] do_dentry_open+0x38f/0xbd0 fs/open.c:749 [] vfs_open+0x10b/0x210 fs/open.c:862 [] do_last fs/namei.c:3269 [inline] [] path_openat+0x136f/0x4470 fs/namei.c:3406 [] do_filp_open+0x1a1/0x270 fs/namei.c:3440 [] do_sys_open+0x2f8/0x600 fs/open.c:1038 [] SYSC_open fs/open.c:1056 [inline] [] SyS_open+0x2d/0x40 fs/open.c:1051 [] entry_SYSCALL_64_fastpath+0x1e/0x9a The buggy address belongs to the object at ffff8801d40fdd80 which belongs to the cache kmalloc-2048 of size 2048 The buggy address is located 1384 bytes inside of 2048-byte region [ffff8801d40fdd80, ffff8801d40fe580) The buggy address belongs to the page: ------------[ cut here ]------------ Initializing cgroup subsys cpu Initializing cgroup subsys cpuacct Linux version 4.4.174+ (syzkaller@ci) (gcc version 9.0.0 20181231 (experimental) (GCC) ) #17 SMP PREEMPT Fri Feb 8 11:11:08 UTC 2019 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 KERNEL supported cpus: Intel GenuineIntel AMD AuthenticAMD 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. 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 Hypervisor detected: KVM Kernel/User page tables isolation: disabled e820: last_pfn = 0x220000 max_arch_pfn = 0x400000000 x86/PAT: Configuration [0-7]: WB WC UC- UC UC UC UC UC e820: last_pfn = 0xbfffd max_arch_pfn = 0x400000000 found SMP MP-table at [mem 0x000f2c70-0x000f2c7f] mapped at [ffff8800000f2c70] Using GB pages for direct mapping ACPI: Early table checksum verification disabled ACPI: RSDP 0x00000000000F2A40 000014 (v00 Google) ACPI: RSDT 0x00000000BFFFDBA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) ACPI: FACP 0x00000000BFFFFF00 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) ACPI: DSDT 0x00000000BFFFDBE0 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) ACPI: SRAT 0x00000000BFFFF3A0 0000C8 (v01 Google GOOGSRAT 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 1740849312 cycles clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns Zone ranges: DMA32 [mem 0x0000000000001000-0x00000000ffffffff] 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 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:8 nr_cpumask_bits:8 nr_cpu_ids:2 nr_node_ids:1 PERCPU: Embedded 41 pages/cpu @ffff8801db600000 s130696 r8192 d29048 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 oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 workqueue.watchdog_thresh=140 nopti 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: 6609392K/7863916K available (23671K kernel code, 3786K rwdata, 5144K rodata, 1320K init, 23156K bss, 1254524K 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=8 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. Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) Initializing cgroup subsys freezer CPU: Physical Processor ID: 0 Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 Spectre V2 : Mitigation: Full generic retpoline Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch Speculative Store Bypass: Vulnerable Freeing SMP alternatives memory: 28K ..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) CPU1: update max cpu_capacity 1024 CPU1: update max cpu_capacity 1024 devtmpfs: initialized clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns futex hash table entries: 512 (order: 4, 65536 bytes) NET: Registered protocol family 16 cpuidle: using governor ladder cpuidle: using governor menu ACPI: bus type PCI registered PCI: Using configuration type 1 for base access 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 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 [Segments MSI] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM 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 Advanced Linux Sound Architecture Driver Initialized. PCI: Using ACPI for IRQ routing 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: mapped [mem 0xbbffd000-0xbfffd000] (64MB) 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 audit: initializing netlink subsys (disabled) audit: type=2000 audit(1549754765.292:1): initialized VFS: Disk quotas dquot_6.6.0 VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) Registering sdcardfs 0.1 fuse init (API version 7.23) cryptomgr_test (31) used greatest stack depth: 28720 bytes left Block layer SCSI generic (bsg) driver version 0.4 loaded (major 253) io scheduler noop registered io scheduler deadline registered io scheduler cfq registered (default) 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] Warning: Processor Platform Limit event detected, but not handled. Consider compiling CPUfreq support into your kernel. 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 brd: module loaded loop: module loaded scsi host0: Virtio SCSI HBA scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB) tun: Universal TUN/TAP device driver, 1.6 tun: (C) 1999-2004 Max Krasnyansky sd 0:0:1:0: [sda] 4096-byte physical blocks 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 tsc: Refined TSC clocksource calibration: 2299.823 MHz clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x21268df815c, max_idle_ns: 440795242494 ns e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI e1000: Copyright (c) 1999-2006 Intel Corporation. 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 sda: sda1 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 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 device-mapper: uevent: version 1.0.3 device-mapper: ioctl: 4.34.0-ioctl (2015-10-28) initialised: dm-devel@redhat.com hidraw: raw HID events driver (C) Jiri Kosina sd 0:0:1:0: [sda] Attached SCSI disk usbcore: registered new interface driver usbhid usbhid: USB HID core driver ashmem: initialized 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. xt_time: kernel timezone is -0000 IPv4 over IPsec tunneling driver 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 registered taskstats version 1 rtc_cmos 00:00: setting system clock to 2019-02-09 23:26:06 UTC (1549754766) ALSA device list: No soundcards found. input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 EXT4-fs (sda1): couldn't mount as ext3 due to feature incompatibilities EXT4-fs (sda1): couldn't mount as ext2 due to feature incompatibilities EXT4-fs (sda1): mounted filesystem without journal. Opts: (null) VFS: Mounted root (ext4 filesystem) readonly on device 8:1. devtmpfs: mounted Freeing unused kernel memory: 1320K Kernel memory protection disabled. SELinux: Permission module_load in class system not defined in policy. SELinux: Class netlink_iscsi_socket not defined in policy. SELinux: Class netlink_fib_lookup_socket not defined in policy. SELinux: Class netlink_connector_socket not defined in policy. SELinux: Class netlink_netfilter_socket not defined in policy. SELinux: Class netlink_generic_socket not defined in policy. SELinux: Class netlink_scsitransport_socket not defined in policy. SELinux: Class netlink_rdma_socket not defined in policy. SELinux: Class netlink_crypto_socket not defined in policy. SELinux: Permission wake_alarm in class capability2 not defined in policy. SELinux: Permission block_suspend in class capability2 not defined in policy. SELinux: Permission audit_read in class capability2 not defined in policy. SELinux: Permission attach_queue in class tun_socket not defined in policy. SELinux: Class binder not defined in policy. SELinux: the above unknown classes and permissions will be denied audit: type=1403 audit(1549754767.780:2): policy loaded auid=4294967295 ses=4294967295 stty (356) used greatest stack depth: 26176 bytes left grep (392) used greatest stack depth: 25968 bytes left audit: type=1400 audit(1549754768.740:3): avc: denied { associate } for pid=460 comm="restorecon" name="pts" dev="devtmpfs" ino=128 scontext=system_u:object_r:devpts_t:s0 tcontext=system_u:object_r:device_t:s0 tclass=filesystem permissive=1 ln (569) used greatest stack depth: 25840 bytes left