failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-i" "/syzkaller/managers/android-44-kasan-gce/latest.tmp/key" "root@10.128.10.15" "pwd"]: exit status 255 ssh: connect to host 10.128.10.15 port 22: Connection timed out Pseudo-terminal will not be allocated because stdin is not a terminal. Warning: Permanently added '[ssh-serialport.googleapis.com]:9600,[216.239.38.127]:9600' (RSA) to the list of known hosts. serialport: Connected to syzkaller.us-central1-c.ci-android-44-kasan-gce-test-0 port 1 (session ID: a15d873dc04a81e93f7a5cbf17def08c6ed0af5493eef56d26c071552c3001bf, active connections: 1). SeaBIOS (version 1.8.2-20190909_225952-google) Total RAM Size = 0x00000001e0000000 = 7680 MiB 2019/10/10 22:34:26 Begin firmware boot time (Seabios) CPUs found: 2 Max CPUs supported: 2 Comparing RSDP and RSDP Comparing RSDT and RSDT Comparing FACP and FACP Comparing FACS and FACS return 0 for FACS vs FACS: SUCCESS Comparing DSDT and DSDT return 0 for DSDT vs DSDT: SUCCESS return 0 for FACP vs FACP: SUCCESS Comparing SRAT and SRAT return 0 for SRAT vs SRAT: SUCCESS Comparing APIC and APIC return 0 for APIC vs APIC: SUCCESS Comparing SSDT and SSDT return 0 for SSDT vs SSDT: SUCCESS Comparing WAET and WAET return 0 for WAET vs WAET: SUCCESS return 0 for RSDT vs RSDT: SUCCESS return 0 for RSDP vs RSDP: SUCCESS 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 0x000f2530: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 2019/10/10 22:34:27 End firmware boot time (Seabios) Sending Seabios boot VM event. Booting from Hard Disk 0... [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Initializing cgroup subsys cpuacct [ 0.000000] Linux version 4.4.194+ (syzkaller@syzkaller) (gcc version 9.0.0 20181231 (experimental) (GCC) ) #0 SMP PREEMPT now [ 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 0x000f27f0-0x000f27ff] mapped at [ffff8800000f27f0] [ 0.000000] Using GB pages for direct mapping [ 0.000000] ACPI: Early table checksum verification disabled [ 0.000000] ACPI: RSDP 0x00000000000F2570 000014 (v00 Google) [ 0.000000] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: FACP 0x00000000BFFFF380 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.000000] ACPI: DSDT 0x00000000BFFFDAC0 0018BA (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: FACS 0x00000000BFFFDA80 000040 [ 0.000000] ACPI: FACS 0x00000000BFFFDA80 000040 [ 0.000000] ACPI: SRAT 0x00000000BFFFFEB0 0000C8 (v01 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.000000] ACPI: APIC 0x00000000BFFFFE00 000076 (v01 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.000000] ACPI: SSDT 0x00000000BFFFF480 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: WAET 0x00000000BFFFFE80 000028 (v01 Google GOOGWAET 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 1203180916 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: 6609372K/7863916K available (23790K kernel code, 3802K rwdata, 5164K rodata, 1320K init, 23160K bss, 1254544K 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 [ 1.125886] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.127866] pid_max: default: 32768 minimum: 301 [ 1.129241] ACPI: Core revision 20150930 [ 1.198790] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.200394] Security Framework initialized [ 1.201103] SELinux: Initializing. [ 1.201980] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.204370] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.209473] Initializing cgroup subsys freezer [ 1.210539] CPU: Physical Processor ID: 0 [ 1.211807] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.213585] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.215364] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.218112] Spectre V2 : Mitigation: Full generic retpoline [ 1.219401] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 1.221141] Spectre V2 : Enabling Restricted Speculation for firmware calls [ 1.223728] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 1.226360] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl [ 1.228328] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 1.230150] MDS: Mitigation: Clear CPU buffers [ 1.232592] Freeing SMP alternatives memory: 28K [ 1.243316] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.365177] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.368195] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.455440] x86: Booting SMP configuration: [ 1.457023] .... node #0, CPUs: #1 [ 1.458273] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.462737] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details. [ 1.465966] x86: Booted up 1 node, 2 CPUs [ 1.467516] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.470747] CPU1: update max cpu_capacity 589 [ 1.472828] devtmpfs: initialized [ 1.482157] CPU1: update max cpu_capacity 589 [ 1.484226] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.486976] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.492390] NET: Registered protocol family 16 [ 1.525256] cpuidle: using governor ladder [ 1.555237] cpuidle: using governor menu [ 1.556675] ACPI: bus type PCI registered [ 1.557402] PCI: Using configuration type 1 for base access [ 1.639814] ACPI: Added _OSI(Module Device) [ 1.641385] ACPI: Added _OSI(Processor Device) [ 1.642904] ACPI: Added _OSI(3.0 _SCP Extensions) [ 1.643885] ACPI: Added _OSI(Processor Aggregator Device) [ 1.655714] ACPI: Executed 2 blocks of module-level executable AML code [ 1.735689] ACPI: Interpreter enabled [ 1.737515] ACPI: (supports S0 S3 S5) [ 1.738058] ACPI: Using IOAPIC for interrupt routing [ 1.739965] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 1.941842] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 1.944370] acpi PNP0A03:00: _OSC: OS supports [Segments MSI] [ 1.946225] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 1.961876] PCI host bridge to bus 0000:00 [ 1.963620] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 1.965704] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 1.968082] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 1.969122] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 1.971870] pci_bus 0000:00: root bus resource [bus 00-ff] [ 2.013123] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 2.095933] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 2.103186] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 2.111203] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 2.118637] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 2.123776] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 2.138334] ACPI: Enabled 16 GPEs in block 00 to 0F [ 2.143083] vgaarb: loaded [ 2.146755] SCSI subsystem initialized [ 2.149434] ACPI: bus type USB registered [ 2.151599] usbcore: registered new interface driver usbfs [ 2.152673] usbcore: registered new interface driver hub [ 2.154629] usbcore: registered new device driver usb [ 2.157686] Advanced Linux Sound Architecture Driver Initialized. [ 2.159309] PCI: Using ACPI for IRQ routing [ 2.164807] amd_nb: Cannot enumerate AMD northbridges [ 2.166824] clocksource: Switched to clocksource kvm-clock [ 2.280921] pnp: PnP ACPI init [ 2.305376] pnp: PnP ACPI: found 7 devices [ 2.316959] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 2.319660] NET: Registered protocol family 2 [ 2.323679] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 2.326447] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes) [ 2.333329] TCP: Hash tables configured (established 65536 bind 65536) [ 2.334734] UDP hash table entries: 4096 (order: 7, 655360 bytes) [ 2.337583] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes) [ 2.340515] NET: Registered protocol family 1 [ 2.341789] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 2.345084] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 2.347668] software IO TLB: mapped [mem 0xbbffd000-0xbfffd000] (64MB) [ 2.349814] RAPL PMU detected, API unit is 2^-32 Joules, 3 fixed counters 10737418240 ms ovfl timer [ 2.352451] hw unit of domain pp0-core 2^-0 Joules [ 2.354092] hw unit of domain package 2^-0 Joules [ 2.355307] hw unit of domain dram 2^-16 Joules [ 2.361003] audit: initializing netlink subsys (disabled) [ 2.362953] audit: type=2000 audit(1570746869.999:1): initialized [ 2.456879] VFS: Disk quotas dquot_6.6.0 [ 2.459432] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 2.474305] Registering sdcardfs 0.1 [ 2.479485] fuse init (API version 7.23) [ 2.498346] cryptomgr_test (31) used greatest stack depth: 28720 bytes left [ 2.510934] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 253) [ 2.513359] io scheduler noop registered [ 2.514897] io scheduler deadline registered [ 2.517726] io scheduler cfq registered (default) [ 2.524810] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 2.526265] ACPI: Power Button [PWRF] [ 2.529095] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 2.530717] ACPI: Sleep Button [SLPF] [ 2.532605] Warning: Processor Platform Limit event detected, but not handled. [ 2.534341] Consider compiling CPUfreq support into your kernel. [ 2.567050] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 2.568835] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 2.591125] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 2.593030] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 2.600885] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 2.624837] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 2.650622] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 2.676168] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 2.701713] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 2.795331] brd: module loaded [ 2.870151] loop: module loaded [ 2.890334] scsi host0: Virtio SCSI HBA [ 2.923892] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 3.347237] tsc: Refined TSC clocksource calibration: 2299.786 MHz [ 3.349042] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x21266ad2798, max_idle_ns: 440795240047 ns [ 3.633333] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB) [ 3.633388] tun: Universal TUN/TAP device driver, 1.6 [ 3.633390] tun: (C) 1999-2004 Max Krasnyansky [ 3.638182] sd 0:0:1:0: [sda] 4096-byte physical blocks [ 3.644953] sd 0:0:1:0: [sda] Write Protect is off [ 3.649213] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 3.671886] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI [ 3.673759] sda: sda1 [ 3.674457] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 3.676511] PPP generic driver version 2.4.2 [ 3.678858] PPP BSD Compression module registered [ 3.680276] PPP Deflate Compression module registered [ 3.681681] PPP MPPE Compression module registered [ 3.682967] NET: Registered protocol family 24 [ 3.684915] usbcore: registered new interface driver asix [ 3.686753] usbcore: registered new interface driver ax88179_178a [ 3.688662] usbcore: registered new interface driver cdc_ether [ 3.690495] usbcore: registered new interface driver net1080 [ 3.690635] sd 0:0:1:0: [sda] Attached SCSI disk [ 3.693463] usbcore: registered new interface driver cdc_subset [ 3.694992] usbcore: registered new interface driver zaurus [ 3.696528] usbcore: registered new interface driver cdc_ncm [ 3.697838] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 3.699256] ehci-pci: EHCI PCI platform driver [ 3.701310] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12 [ 3.704476] i8042: Warning: Keylock active [ 3.706666] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 3.709333] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 3.713121] mousedev: PS/2 mouse device common for all mice [ 3.717902] usbcore: registered new interface driver xpad [ 3.719446] usbcore: registered new interface driver usb_acecad [ 3.720930] usbcore: registered new interface driver aiptek [ 3.722867] usbcore: registered new interface driver gtco [ 3.724565] usbcore: registered new interface driver hanwang [ 3.726214] usbcore: registered new interface driver kbtab [ 3.729416] rtc_cmos 00:00: RTC can wake from S4 [ 3.733197] rtc_cmos 00:00: rtc core: registered rtc_cmos as rtc0 [ 3.734796] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram [ 3.739655] device-mapper: uevent: version 1.0.3 [ 3.743371] device-mapper: ioctl: 4.34.0-ioctl (2015-10-28) initialised: dm-devel@redhat.com [ 3.756323] hidraw: raw HID events driver (C) Jiri Kosina [ 3.771653] usbcore: registered new interface driver usbhid [ 3.773071] usbhid: USB HID core driver [ 3.775465] ion_heap_create: Heap type is disabled: 1 [ 3.776865] kasan: CONFIG_KASAN_INLINE enabled[ 3.776903] ================================================================== [ 3.776914] BUG: KASAN: use-after-free in __lock_acquire+0x3994/0x4f80 [ 3.776920] Read of size 8 at addr ffff8800b9e6e348 by task system/344 [ 3.776921] [ 3.776927] CPU: 1 PID: 344 Comm: system Not tainted 4.4.194+ #0 [ 3.776931] 0000000000000000 cf0086bbe03e2ffe ffff8800b9eef9f0 ffffffff81ac3b21 [ 3.776939] 0000000000000000 ffffea0002e79b80 ffff8800b9e6e348 0000000000000008 [ 3.776946] 0000000000000000 ffff8800b9eefa28 ffffffff81494730 0000000000000000 [ 3.776954] Call Trace: [ 3.776963] [] dump_stack+0xc1/0x120 [ 3.776973] [] print_address_description+0x6f/0x21b [ 3.776980] [] kasan_report.cold+0x8c/0x2be [ 3.776986] [] ? __lock_acquire+0x3994/0x4f80 [ 3.776993] [] __asan_report_load8_noabort+0x14/0x20 [ 3.776999] [] __lock_acquire+0x3994/0x4f80 [ 3.777006] [] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 3.777014] [] ? check_preemption_disabled+0x3c/0x200 [ 3.777020] [] ? check_preemption_disabled+0x3c/0x200 [ 3.777026] [] ? cpuacct_charge+0x19e/0x360 [ 3.777032] [] ? trace_hardirqs_on+0x10/0x10 [ 3.777037] [] ? cpuacct_charge+0x1bb/0x360 [ 3.777042] [] ? cpuacct_charge+0x60/0x360 [ 3.777048] [] ? pick_next_entity+0x198/0x3f0 [ 3.777054] [] lock_acquire+0x15e/0x450 [ 3.777062] [] ? ion_heap_deferred_free+0x100/0x500 [ 3.777069] [] ? ion_heap_shrink_scan+0x1b0/0x1b0 [ 3.777075] [] _raw_spin_lock+0x38/0x50 [ 3.777082] [] ? ion_heap_deferred_free+0x100/0x500 [ 3.777087] [] ion_heap_deferred_free+0x100/0x500 [ 3.777093] [] ? ion_heap_shrink_scan+0x1b0/0x1b0 [ 3.777100] [] ? __schedule+0x1150/0x1ee0 [ 3.777106] [] ? preempt_schedule+0x24/0x30 [ 3.777115] [] ? ___preempt_schedule+0x12/0x14 [ 3.777123] [] ? __kthread_parkme+0x164/0x230 [ 3.777129] [] ? ion_heap_shrink_scan+0x1b0/0x1b0 [ 3.777136] [] kthread+0x273/0x310 [ 3.777143] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 3.777149] [] ? _raw_spin_unlock_irq+0x39/0x60 [ 3.777156] [] ? finish_task_switch+0x1e1/0x660 [ 3.777162] [] ? finish_task_switch+0x1b3/0x660 [ 3.777167] [] ? __schedule+0x7af/0x1ee0 [ 3.777172] [] ? __schedule+0x7a3/0x1ee0 [ 3.777177] [] ? __schedule+0x7af/0x1ee0 [ 3.777184] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 3.777190] [] ret_from_fork+0x55/0x80 [ 3.777197] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 3.777199] [ 3.777202] Allocated by task 1: [ 3.777204] [] save_stack_trace+0x26/0x50 [ 3.777212] [] kasan_kmalloc.part.0+0x62/0xf0 [ 3.777220] [] kasan_kmalloc+0xb7/0xd0 [ 3.777226] [] kmem_cache_alloc_trace+0x123/0x2d0 [ 3.777233] [] ion_system_heap_create+0x4b/0x2c0 [ 3.777240] [] ion_heap_create+0x156/0x1b0 [ 3.777247] [] ion_dummy_init+0x1e5/0x36d [ 3.777254] [] do_one_initcall+0x13b/0x260 [ 3.777261] [] kernel_init_freeable+0x2fa/0x3c3 [ 3.777270] [] kernel_init+0x12/0x15e [ 3.777279] [] ret_from_fork+0x55/0x80 [ 3.777286] [ 3.777288] Freed by task 1: [ 3.777289] [] save_stack_trace+0x26/0x50 [ 3.777296] [] kasan_slab_free+0xb0/0x190 [ 3.777302] [] kfree+0xf4/0x310 [ 3.777308] [] ion_system_heap_destroy+0x9a/0xc0 [ 3.777315] [] ion_heap_destroy+0x6a/0xd0 [ 3.777322] [] ion_dummy_init+0x2c1/0x36d [ 3.777327] [] do_one_initcall+0x13b/0x260 [ 3.777335] [] kernel_init_freeable+0x2fa/0x3c3 [ 3.777342] [] kernel_init+0x12/0x15e [ 3.777349] [] ret_from_fork+0x55/0x80 [ 3.777355] [ 3.777360] The buggy address belongs to the object at ffff8800b9e6e280 [ 3.777360] which belongs to the cache kmalloc-512 of size 512 [ 3.777365] The buggy address is located 200 bytes inside of [ 3.777365] 512-byte region [ffff8800b9e6e280, ffff8800b9e6e480) [ 3.777367] The buggy address belongs to the page: [ 3.893104] kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN [ 3.896421] Modules linked in: [ 3.897285] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.4.194+ #0 [ 3.898905] task: ffff8801da5f0000 task.stack: ffff8801da5f8000 [ 3.900455] RIP: 0010:[] [] ion_heap_destroy+0x32/0xd0 [ 3.902573] RSP: 0000:ffff8801da5ffda8 EFLAGS: 00010206 [ 3.903995] RAX: dffffc0000000000 RBX: 0000000000000010 RCX: 0000000000000000 [ 3.905828] RDX: 0000000000000003 RSI: ffffffff8212a82c RDI: 000000000000001a [ 3.907593] RBP: ffff8801da5ffdb8 R08: 0000000000000000 R09: 0000000000000000 [ 3.909346] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffffffffffea [ 3.911253] R13: ffff8801d808bc68 R14: dffffc0000000000 R15: ffffffffffffffea [ 3.913102] FS: 0000000000000000(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000 [ 3.915000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3.916483] CR2: 0000000000000000 CR3: 0000000002e0a000 CR4: 00000000001606b0 [ 3.918279] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3.920079] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3.921931] Stack: [ 3.922503] dffffc0000000000 ffffffffffffffea ffff8801da5ffdf0 ffffffff8325237d [ 3.924497] ffffffff82e11080 ffff8801d80dcaa0 dffffc0000000000 ffffffff832520bc [ 3.926661] ffff8801da5ffeb0 ffff8801da5ffed8 ffffffff810004ab 0000000082ab4360 [ 3.928704] Call Trace: [ 3.929372] [] ion_dummy_init+0x2c1/0x36d [ 3.930791] [] ? ion_page_pool_init+0xd/0xd [ 3.932265] [] do_one_initcall+0x13b/0x260 [ 3.933728] [] ? sanitize_boot_params.constprop.0+0xb8/0xb8 [ 3.935577] [] ? parse_args+0x311/0x890 [ 3.936911] [] kernel_init_freeable+0x2fa/0x3c3 [ 3.938433] [] ? rest_init+0x199/0x199 [ 3.939846] [] kernel_init+0x12/0x15e [ 3.941257] [] ret_from_fork+0x55/0x80 [ 3.942880] [] ? rest_init+0x199/0x199 [ 3.944206] Code: 89 fc 48 83 ec 08 e8 2e 2e 1e ff 4d 85 e4 74 53 e8 24 2e 1e ff 49 8d 7c 24 30 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 83 00 00 00 41 8b 54 24 30 [ 3.952371] RIP [] ion_heap_destroy+0x32/0xd0 [ 3.954032] RSP [ 3.954970] BUG: unable to handle kernel paging request at fffffffd528e8f80 [ 3.956852] IP: [] cpuacct_charge+0x14e/0x360 [ 3.958646] PGD 2e0d067 PUD 0 [ 3.959554] Oops: 0000 [#2] PREEMPT SMP KASAN [ 3.960794] Modules linked in: [ 3.961632] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G D 4.4.194+ #0 [ 3.963415] task: ffff8801da5f0000 task.stack: ffff8801da5f8000 [ 3.964870] RIP: 0010:[] [] cpuacct_charge+0x14e/0x360 [ 3.967057] RSP: 0000:ffff8801db607a38 EFLAGS: 00010046 [ 3.968503] RAX: 1ffffffff05d2c97 RBX: 00000000000181a8 RCX: fffffffd528e8f80 [ 3.970247] RDX: fffffbffaa51d1f0 RSI: 0000000000000000 RDI: ffffffff82e964b8 [ 3.972088] RBP: ffff8801db607a78 R08: 0000000000000000 R09: 0000000000000001 [ 3.973861] R10: ffffffff828379c0 R11: ffffffff831a9138 R12: ffffffff82e963e0 [ 3.975756] R13: dffffc0000000000 R14: 000000000a9ce58e R15: ffffffffb9ee8050 [ 3.977545] FS: 0000000000000000(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000 [ 3.979549] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3.981103] CR2: fffffffd528e8f80 CR3: 0000000002e0a000 CR4: 00000000001606b0 [ 3.982954] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3.984747] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3.986641] Stack: [ 3.987219] ffffffff811f7f70 ffffffff81202ef0 ffff8801da5f08c0 ffff8800ba20c7a0 [ 3.989341] ffff8800ba20c740 000000000a9ce58e ffff8800ba20c7f0 0000000000000000 [ 3.991488] ffff8801db607ac0 ffffffff8117fca3 0000000000000001 0000000000000000 [ 3.993825] Call Trace: [ 3.994531] [ 3.995046] [] ? cpuacct_charge+0x60/0x360 [ 3.996728] [] ? trace_hardirqs_on+0x10/0x10 [ 3.998282] [] update_curr+0x2c3/0x6e0 [ 3.999653] [] enqueue_task_fair+0x10f/0xb6c0 [ 4.001193] [] ? trace_hardirqs_on+0x10/0x10 [ 4.002734] [] ? select_task_rq_fair+0x483/0x2e90 [ 4.004445] [] ? kvm_clock_read+0x23/0x40 [ 4.005922] [] ? sched_clock_cpu+0x14b/0x1c0 [ 4.007412] [] activate_task+0x154/0x280 [ 4.008902] [] ttwu_do_activate.constprop.0+0xbe/0x1e0 [ 4.010579] [] try_to_wake_up+0x6d1/0x1110 [ 4.012132] [] default_wake_function+0x35/0x50 [ 4.013740] [] autoremove_wake_function+0x12/0x40 [ 4.015374] [] __wake_up_common+0xc0/0x160 [ 4.016810] [] __wake_up+0x34/0x50 [ 4.018113] [] rcu_gp_kthread_wake+0x99/0xd0 [ 4.019517] [] rcu_report_qs_rsp+0xef/0x150 [ 4.021042] [] rcu_report_qs_rnp+0x1ea/0x2a0 [ 4.022590] [] rcu_process_callbacks+0xcde/0x14b0 [ 4.024119] [] ? tick_program_event+0x101/0x180 [ 4.025677] [] ? call_timer_fn+0x850/0x850 [ 4.027136] [] ? hrtimer_interrupt+0x1de/0x450 [ 4.028601] [] __do_softirq+0x226/0xa3f [ 4.030012] [] irq_exit+0x10a/0x150 [ 4.031348] [] smp_apic_timer_interrupt+0x7e/0xb0 [ 4.032902] [] apic_timer_interrupt+0xa5/0xb0 [ 4.034478] [ 4.034994] [] ? add_taint+0x1c/0x50 [ 4.036409] [] ? oops_end+0x4c/0xc0 [ 4.037794] [] die.cold+0x21/0x2b [ 4.039077] [] do_general_protection+0x222/0x2b0 [ 4.040794] [] general_protection+0x25/0x30 [ 4.042354] [] ? ion_heap_destroy+0x1c/0xd0 [ 4.043900] [] ? ion_heap_destroy+0x32/0xd0 [ 4.045328] [] ? ion_heap_destroy+0x1c/0xd0 [ 4.046849] [] ion_dummy_init+0x2c1/0x36d [ 4.048229] [] ? ion_page_pool_init+0xd/0xd [ 4.049639] [] do_one_initcall+0x13b/0x260 [ 4.051139] [] ? sanitize_boot_params.constprop.0+0xb8/0xb8 [ 4.052963] [] ? parse_args+0x311/0x890 [ 4.054349] [] kernel_init_freeable+0x2fa/0x3c3 [ 4.056134] [] ? rest_init+0x199/0x199 [ 4.057508] [] kernel_init+0x12/0x15e [ 4.058817] [] ret_from_fork+0x55/0x80 [ 4.060265] [] ? rest_init+0x199/0x199 [ 4.061582] Code: 49 8d bc 24 d8 00 00 00 48 89 f8 48 c1 e8 03 42 80 3c 28 00 0f 85 ba 01 00 00 49 8b 9c 24 d8 00 00 00 80 3a 00 0f 85 8c 01 00 00 <4a> 03 1c fd 00 8d 1a 83 48 89 d8 48 c1 e8 03 42 80 3c 28 00 0f [ 4.069809] RIP [] cpuacct_charge+0x14e/0x360 [ 4.071379] RSP [ 4.072283] CR2: fffffffd528e8f80 [ 4.073132] ---[ end trace 5cef8f430bf27f92 ]--- [ 4.074284] Kernel panic - not syncing: Fatal exception in interrupt [ 5.232660] Shutting down cpus with NMI [ 5.234489] Kernel Offset: disabled [ 5.235345] Rebooting in 86400 seconds..