failed to run ["ssh" "-p" "22" "-i" "/syzkaller/managers/android-49-kasan-gce-root/latest.tmp/key" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-i" "/syzkaller/managers/android-49-kasan-gce-root/latest.tmp/key" "root@10.128.10.63" "pwd"]: exit status 255 ssh: connect to host 10.128.10.63 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-49-kasan-gce-root-test-1 port 1 (session ID: c7c8eb26dd9fa45fdd063845145c475bb94dd6063344419dab16bb51df421269, active connections: 1). SeaBIOS (version 1.8.2-20181029_212248-google) Total RAM Size = 0x00000001e0000000 = 7680 MiB CPUs found: 2 Max CPUs supported: 2 found virtio-scsi at 0:3 virtio-scsi vendor='Google' product='PersistentDisk' rev='1' type=0 removable=0 virtio-scsi blksize=512 sectors=4194304 = 2048 MiB drive 0x000f2a00: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Booting from Hard Disk 0... [ 0.000000] Linux version 4.9.158+ (syzkaller@ci) (gcc version 9.0.0 20181231 (experimental) (GCC) ) #47 SMP PREEMPT Sat Feb 16 01:32:45 UTC 2019 [ 0.000000] Command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 workqueue.watchdog_thresh=140 nopti [ 0.000000] KERNEL supported cpus: [ 0.000000] Intel GenuineIntel [ 0.000000] AMD AuthenticAMD [ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 0.000000] e820: BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000bfffcfff] usable [ 0.000000] BIOS-e820: [mem 0x00000000bfffd000-0x00000000bfffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000021fffffff] usable [ 0.000000] bootconsole [earlyser0] enabled [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] Hypervisor detected: KVM [ 0.000000] Kernel/User page tables isolation: disabled [ 0.000000] e820: last_pfn = 0x220000 max_arch_pfn = 0x400000000 [ 0.000000] x86/PAT: Configuration [0-7]: WB WC UC- UC UC UC UC UC [ 0.000000] e820: last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.000000] found SMP MP-table at [mem 0x000f2c70-0x000f2c7f] mapped at [ffff8800000f2c70] [ 0.000000] Using GB pages for direct mapping [ 0.000000] ACPI: Early table checksum verification disabled [ 0.000000] ACPI: RSDP 0x00000000000F2A40 000014 (v00 Google) [ 0.000000] ACPI: RSDT 0x00000000BFFFDBA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: FACP 0x00000000BFFFFF00 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.000000] ACPI: DSDT 0x00000000BFFFDBE0 0017B2 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: FACS 0x00000000BFFFFEC0 000040 [ 0.000000] ACPI: FACS 0x00000000BFFFFEC0 000040 [ 0.000000] ACPI: SSDT 0x00000000BFFFF590 000930 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: APIC 0x00000000BFFFF4A0 000076 (v01 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.000000] ACPI: WAET 0x00000000BFFFF470 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.000000] ACPI: SRAT 0x00000000BFFFF3A0 0000C8 (v01 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00[ 0.000000] kvm-clock: cpu 0, msr 2:1fffd001, primary cpu clock [ 0.000000] kvm-clock: using sched offset of 2098926739 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 44 pages/cpu @ffff8801db600000 s140616 r8192 d31416 u1048576 [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 1935239 [ 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: 6608028K/7863916K available (24630K kernel code, 4052K rwdata, 5048K rodata, 1384K init, 22692K bss, 1255888K 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 [ 1.098853] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.100018] pid_max: default: 32768 minimum: 301 [ 1.100824] ACPI: Core revision 20160831 [ 1.119064] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.120387] Security Framework initialized [ 1.120982] SELinux: Initializing. [ 1.121702] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.122689] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.124990] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.125864] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.126787] Spectre V2 : Mitigation: Full generic retpoline [ 1.127546] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 1.128815] Speculative Store Bypass: Vulnerable [ 1.130512] Freeing SMP alternatives memory: 32K [ 1.136407] smpboot: Max logical packages: 2 [ 1.140317] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.258236] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.259808] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.458496] x86: Booting SMP configuration: [ 1.459169] .... node #0, CPUs: #1[ 1.460123] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.463795] x86: Booted up 1 node, 2 CPUs [ 1.464519] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.466339] CPU1: update max cpu_capacity 1024 [ 1.468139] devtmpfs: initialized [ 1.468312] CPU0: update max cpu_capacity 1024 [ 1.568544] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.570150] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.571966] NET: Registered protocol family 16 [ 1.608400] cpuidle: using governor menu [ 1.609396] ACPI: bus type PCI registered [ 1.610062] PCI: Using configuration type 1 for base access [ 1.650941] ACPI: Added _OSI(Module Device) [ 1.651618] ACPI: Added _OSI(Processor Device) [ 1.652268] ACPI: Added _OSI(3.0 _SCP Extensions) [ 1.652933] ACPI: Added _OSI(Processor Aggregator Device) [ 1.654643] ACPI: Executed 2 blocks of module-level executable AML code [ 1.677086] ACPI: Interpreter enabled [ 1.677821] ACPI: (supports S0 S3 S5) [ 1.678469] ACPI: Using IOAPIC for interrupt routing [ 1.679362] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 1.720433] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 1.721360] acpi PNP0A03:00: _OSC: OS supports [Segments MSI] [ 1.722271] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 1.725224] PCI host bridge to bus 0000:00 [ 1.725885] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 1.726827] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 1.727764] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 1.728840] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 1.729986] pci_bus 0000:00: root bus resource [bus 00-ff] [ 1.756281] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 1.803940] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 1.807330] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 1.810211] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 1.813226] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 1.815636] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 1.819321] ACPI: Enabled 16 GPEs in block 00 to 0F [ 1.821077] vgaarb: loaded [ 1.822121] SCSI subsystem initialized [ 1.823256] ACPI: bus type USB registered [ 1.824100] usbcore: registered new interface driver usbfs [ 1.824980] usbcore: registered new interface driver hub [ 1.825852] usbcore: registered new device driver usb [ 1.826905] Advanced Linux Sound Architecture Driver Initialized. [ 1.827755] PCI: Using ACPI for IRQ routing [ 1.830644] clocksource: Switched to clocksource kvm-clock [ 1.887436] VFS: Disk quotas dquot_6.6.0 [ 1.888214] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.889459] pnp: PnP ACPI init [ 1.895784] pnp: PnP ACPI: found 7 devices [ 1.904581] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.906516] NET: Registered protocol family 2 [ 1.941038] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 1.942494] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes) [ 1.947426] TCP: Hash tables configured (established 65536 bind 65536) [ 1.948608] UDP hash table entries: 4096 (order: 7, 655360 bytes) [ 1.950575] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes) [ 1.952241] NET: Registered protocol family 1 [ 1.953139] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 1.954537] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.955463] software IO TLB: mapped [mem 0xbbffd000-0xbfffd000] (64MB) [ 1.956773] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 10737418240 ms ovfl timer [ 1.957953] RAPL PMU: hw unit of domain pp0-core 2^-0 Joules [ 1.958742] RAPL PMU: hw unit of domain package 2^-0 Joules [ 1.959535] RAPL PMU: hw unit of domain dram 2^-0 Joules [ 1.960353] RAPL PMU: hw unit of domain pp1-gpu 2^-0 Joules [ 1.963055] audit: initializing netlink subsys (disabled) [ 1.963995] audit: type=2000 audit(1550280946.517:1): initialized [ 1.966606] workingset: timestamp_bits=62 max_order=21 bucket_order=0 [ 2.002271] Registering sdcardfs 0.1 [ 2.004246] fuse init (API version 7.26) [ 2.012158] cryptomgr_test (35) used greatest stack depth: 29304 bytes left [ 2.018565] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 253) [ 2.019813] io scheduler noop registered [ 2.020393] io scheduler deadline registered [ 2.021689] io scheduler cfq registered (default) [ 2.030462] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 2.031611] ACPI: Power Button [PWRF] [ 2.032555] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 2.033703] ACPI: Sleep Button [SLPF] [ 2.034515] Warning: Processor Platform Limit event detected, but not handled. [ 2.035518] Consider compiling CPUfreq support into your kernel. [ 2.042850] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 2.043868] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 2.052332] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 2.053323] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 2.058530] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 2.082316] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 2.106307] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 2.129951] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 2.153624] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 2.179566] brd: module loaded [ 2.192802] loop: module loaded [ 2.205369] scsi host0: Virtio SCSI HBA [ 2.211655] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 2.487965] random: fast init done [ 2.503624] tun: Universal TUN/TAP device driver, 1.6 [ 2.503647] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB) [ 2.503655] sd 0:0:1:0: [sda] 4096-byte physical blocks [ 2.506755] tun: (C) 1999-2004 Max Krasnyansky [ 2.507907] sd 0:0:1:0: [sda] Write Protect is off [ 2.511336] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 2.528341] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI [ 2.529600] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 2.530778] sda: sda1 [ 2.530941] PPP generic driver version 2.4.2 [ 2.531608] PPP BSD Compression module registered [ 2.531614] PPP Deflate Compression module registered [ 2.531635] PPP MPPE Compression module registered [ 2.531639] NET: Registered protocol family 24 [ 2.531824] usbcore: registered new interface driver asix [ 2.531955] usbcore: registered new interface driver ax88179_178a [ 2.532071] usbcore: registered new interface driver cdc_ether [ 2.532188] usbcore: registered new interface driver net1080 [ 2.532304] usbcore: registered new interface driver cdc_subset [ 2.532418] usbcore: registered new interface driver zaurus [ 2.532588] usbcore: registered new interface driver cdc_ncm [ 2.532600] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 2.532603] ehci-pci: EHCI PCI platform driver [ 2.533153] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12 [ 2.533942] i8042: Warning: Keylock active [ 2.535343] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 2.536181] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 2.538998] mousedev: PS/2 mouse device common for all mice [ 2.542673] usbcore: registered new interface driver xpad [ 2.542796] usbcore: registered new interface driver usb_acecad [ 2.542907] usbcore: registered new interface driver aiptek [ 2.543028] usbcore: registered new interface driver gtco [ 2.543151] usbcore: registered new interface driver hanwang [ 2.543265] usbcore: registered new interface driver kbtab [ 2.546788] rtc_cmos 00:00: RTC can wake from S4 [ 2.548648] rtc_cmos 00:00: rtc core: registered rtc_cmos as rtc0 [ 2.548986] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram [ 2.551213] device-mapper: uevent: version 1.0.3 [ 2.553548] device-mapper: ioctl: 4.35.0-ioctl (2016-06-23) initialised: dm-devel@redhat.com [ 2.564199] hidraw: raw HID events driver (C) Jiri Kosina [ 2.572939] usbcore: registered new interface driver usbhid [ 2.574500] usbhid: USB HID core driver [ 2.576566] ion_heap_create: Heap type is disabled: 1 [ 2.577711] kasan: CONFIG_KASAN_INLINE enabled [ 2.577941] sd 0:0:1:0: [sda] Attached SCSI disk [ 2.579302] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 2.580392] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 2.580709] ================================================================== [ 2.580722] BUG: KASAN: use-after-free in do_raw_spin_lock+0x1a5/0x1e0 [ 2.580728] Read of size 4 at addr ffff8801d5c92334 by task system/347 [ 2.580730] [ 2.580737] CPU: 1 PID: 347 Comm: system Not tainted 4.9.158+ #47 [ 2.580750] ffff8801d5cafbc8 ffffffff81b480e1 0000000000000000 ffffea0007572480 [ 2.580759] ffff8801d5c92334 0000000000000004 ffffffff812156f5 ffff8801d5cafc00 [ 2.580768] ffffffff81502fd5 0000000000000000 ffff8801d5c92334 ffff8801d5c92334 [ 2.580770] Call Trace: [ 2.580779] [] dump_stack+0xc1/0x120 [ 2.580786] [] ? do_raw_spin_lock+0x1a5/0x1e0 [ 2.580796] [] print_address_description+0x6f/0x238 [ 2.580803] [] ? do_raw_spin_lock+0x1a5/0x1e0 [ 2.580810] [] kasan_report.cold+0x8c/0x2ba [ 2.580818] [] __asan_report_load4_noabort+0x14/0x20 [ 2.580825] [] do_raw_spin_lock+0x1a5/0x1e0 [ 2.580834] [] _raw_spin_lock+0x40/0x50 [ 2.580844] [] ? ion_heap_deferred_free+0xf9/0x560 [ 2.580852] [] ion_heap_deferred_free+0xf9/0x560 [ 2.580859] [] ? __schedule+0xf7f/0x1b50 [ 2.580867] [] ? ion_heap_shrink_scan+0x1b0/0x1b0 [ 2.580874] [] ? __schedule+0xf7f/0x1b50 [ 2.580883] [] ? ___preempt_schedule+0x16/0x18 [ 2.580892] [] ? __kthread_parkme+0x173/0x240 [ 2.580900] [] ? ion_heap_shrink_scan+0x1b0/0x1b0 [ 2.580907] [] kthread+0x278/0x310 [ 2.580913] [] ? kthread_park+0xa0/0xa0 [ 2.580920] [] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 2.580929] [] ? _raw_spin_unlock_irq+0x39/0x60 [ 2.580939] [] ? finish_task_switch+0x1e5/0x660 [ 2.580946] [] ? finish_task_switch+0x1b7/0x660 [ 2.580954] [] ? __switch_to_asm+0x34/0x70 [ 2.580963] [] ? __switch_to_asm+0x40/0x70 [ 2.580970] [] ? __switch_to_asm+0x34/0x70 [ 2.580977] [] ? kthread_park+0xa0/0xa0 [ 2.580983] [] ? kthread_park+0xa0/0xa0 [ 2.580991] [] ret_from_fork+0x5c/0x70 [ 2.580994] [ 2.580996] Allocated by task 1: [ 2.581004] save_stack_trace+0x16/0x20 [ 2.581010] kasan_kmalloc.part.0+0x62/0xf0 [ 2.581015] kasan_kmalloc+0xb7/0xd0 [ 2.581021] kmem_cache_alloc_trace+0x115/0x2d0 [ 2.581027] ion_system_heap_create+0x42/0x1c0 [ 2.581033] ion_heap_create+0x156/0x1b0 [ 2.581040] ion_dummy_init+0x22e/0x3b6 [ 2.581046] do_one_initcall+0xb1/0x1c0 [ 2.581053] kernel_init_freeable+0x2ff/0x3c3 [ 2.581059] kernel_init+0x12/0x163 [ 2.581065] ret_from_fork+0x5c/0x70 [ 2.581066] [ 2.581068] Freed by task 1: [ 2.581074] save_stack_trace+0x16/0x20 [ 2.581080] kasan_slab_free+0xb0/0x190 [ 2.581085] kfree+0xfb/0x310 [ 2.581090] ion_system_heap_destroy+0x72/0x90 [ 2.581096] ion_heap_destroy+0x6a/0xd0 [ 2.581102] ion_dummy_init+0x30a/0x3b6 [ 2.581108] do_one_initcall+0xb1/0x1c0 [ 2.581113] kernel_init_freeable+0x2ff/0x3c3 [ 2.581118] kernel_init+0x12/0x163 [ 2.581124] ret_from_fork+0x5c/0x70 [ 2.581126] [ 2.581130] The buggy address belongs to the object at ffff8801d5c92280 [ 2.581130] which belongs to the cache kmalloc-512 of size 512 [ 2.581136] The buggy address is located 180 bytes inside of [ 2.581136] 512-byte region [ffff8801d5c92280, ffff8801d5c92480) [ 2.581138] The buggy address belongs to the page: [ 2.581147] page:ffffea0007572480 count:1 mapcount:0 mapping: (null) index:0x0 compound_mapcount: 0 [ 2.581151] flags: 0x4000000000004080(slab|head) [ 2.581154] page dumped because: kasan: bad access detected [ 2.581155] [ 2.581157] Memory state around the buggy address: [ 2.581163] ffff8801d5c92200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 2.581168] ffff8801d5c92280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 2.581173] >ffff8801d5c92300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 2.581176] ^ [ 2.581181] ffff8801d5c92380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 2.581186] ffff8801d5c92400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 2.581188] ================================================================== [ 2.581191] Kernel panic - not syncing: panic_on_warn set ... [ 2.581191] [ 2.694463] Modules linked in: [ 2.695344] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G B 4.9.158+ #47 [ 2.697316] task: ffff8801da5f8000 task.stack: ffff8801da600000 [ 2.698863] RIP: 0010:[] [] ion_heap_destroy+0x32/0xd0 [ 2.701221] RSP: 0000:ffff8801da607db0 EFLAGS: 00010206 [ 2.702604] RAX: dffffc0000000000 RBX: 0000000000000010 RCX: 0000000000000000 [ 2.704505] RDX: 0000000000000003 RSI: ffffffff821e72ac RDI: 000000000000001a [ 2.706379] RBP: ffff8801da607dc0 R08: ffff8801da607b20 R09: 0000000000000000 [ 2.708293] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffffffffffea [ 2.710207] R13: ffff8801d63fc038 R14: dffffc0000000000 R15: ffffffffffffffea [ 2.712188] FS: 0000000000000000(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000 [ 2.714390] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.715938] CR2: 0000000000000000 CR3: 0000000003022000 CR4: 00000000001606b0 [ 2.717854] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2.719784] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2.721668] Stack: [ 2.722226] dffffc0000000000 ffffffffffffffea ffff8801da607df8 ffffffff8349829e [ 2.724343] 1ffff1003b4c0fc2 ffffffff83497f94 0000000000000000 dffffc0000000000 [ 2.726429] ffff8801da607eb0 ffff8801da607ed8 ffffffff81000501 ffff8801da607e48 [ 2.728572] Call Trace: [ 2.729257] [] ion_dummy_init+0x30a/0x3b6 [ 2.730791] [] ? ion_page_pool_init+0xd/0xd [ 2.732359] [] do_one_initcall+0xb1/0x1c0 [ 2.733856] [] ? initcall_blacklisted+0x190/0x190 [ 2.735538] [] ? parse_args+0x311/0x890 [ 2.736996] [] kernel_init_freeable+0x2ff/0x3c3 [ 2.738651] [] ? rest_init+0x194/0x194 [ 2.740111] [] kernel_init+0x12/0x163 [ 2.741556] [] ret_from_fork+0x5c/0x70 [ 2.742980] Code: 89 fc 48 83 ec 08 e8 1e 49 13 ff 4d 85 e4 74 53 e8 14 49 13 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 [ 2.750345] RIP [] ion_heap_destroy+0x32/0xd0 [ 2.752075] RSP [ 2.753380] Kernel Offset: disabled [ 2.753953] Rebooting in 86400 seconds..