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@10.128.10.32" "pwd"]: exit status 255 ssh: connect to host 10.128.10.32 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-2 port 1 (session ID: ffc40017321be2d07e7c56eed53da645c216689326e31369a4604288552d1fed, 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) ) #48 SMP PREEMPT Sun Feb 17 15:19:45 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 1947130568 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 2299.998 MHz processor [ 1.072548] Calibrating delay loop (skipped) preset value.. 4599.99 BogoMIPS (lpj=22999980) [ 1.073857] pid_max: default: 32768 minimum: 301 [ 1.074742] ACPI: Core revision 20160831 [ 1.093305] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.094409] Security Framework initialized [ 1.095014] SELinux: Initializing. [ 1.095722] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.096926] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.099225] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.100395] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.101344] Spectre V2 : Mitigation: Full generic retpoline [ 1.102173] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 1.103332] Speculative Store Bypass: Vulnerable [ 1.105130] Freeing SMP alternatives memory: 32K [ 1.111082] smpboot: Max logical packages: 2 [ 1.115268] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.231866] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.233342] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.431968] x86: Booting SMP configuration: [ 1.432679] .... node #0, CPUs: #1[ 1.433604] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.437262] x86: Booted up 1 node, 2 CPUs [ 1.437908] smpboot: Total of 2 processors activated (9199.99 BogoMIPS) [ 1.439760] CPU1: update max cpu_capacity 1024 [ 1.441581] devtmpfs: initialized [ 1.441868] CPU0: update max cpu_capacity 1024 [ 1.542018] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.543678] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.545599] NET: Registered protocol family 16 [ 1.571899] cpuidle: using governor menu [ 1.572808] ACPI: bus type PCI registered [ 1.573615] PCI: Using configuration type 1 for base access [ 1.638112] ACPI: Added _OSI(Module Device) [ 1.638903] ACPI: Added _OSI(Processor Device) [ 1.639538] ACPI: Added _OSI(3.0 _SCP Extensions) [ 1.640250] ACPI: Added _OSI(Processor Aggregator Device) [ 1.642011] ACPI: Executed 2 blocks of module-level executable AML code [ 1.664858] ACPI: Interpreter enabled [ 1.665518] ACPI: (supports S0 S3 S5) [ 1.666040] ACPI: Using IOAPIC for interrupt routing [ 1.666828] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 1.710176] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 1.711726] acpi PNP0A03:00: _OSC: OS supports [Segments MSI] [ 1.713039] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 1.716434] PCI host bridge to bus 0000:00 [ 1.717150] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 1.718206] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 1.719288] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 1.720300] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 1.721501] pci_bus 0000:00: root bus resource [bus 00-ff] [ 1.747420] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 1.793368] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 1.796143] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 1.799207] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 1.802009] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 1.804176] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 1.808145] ACPI: Enabled 16 GPEs in block 00 to 0F [ 1.810042] vgaarb: loaded [ 1.811075] SCSI subsystem initialized [ 1.812379] ACPI: bus type USB registered [ 1.813198] usbcore: registered new interface driver usbfs [ 1.814229] usbcore: registered new interface driver hub [ 1.815086] usbcore: registered new device driver usb [ 1.816244] Advanced Linux Sound Architecture Driver Initialized. [ 1.817455] PCI: Using ACPI for IRQ routing [ 1.820575] clocksource: Switched to clocksource kvm-clock [ 1.880996] VFS: Disk quotas dquot_6.6.0 [ 1.881706] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.882922] pnp: PnP ACPI init [ 1.889318] pnp: PnP ACPI: found 7 devices [ 1.897799] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.899631] NET: Registered protocol family 2 [ 1.941024] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 1.942663] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes) [ 1.948002] TCP: Hash tables configured (established 65536 bind 65536) [ 1.949334] UDP hash table entries: 4096 (order: 7, 655360 bytes) [ 1.951526] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes) [ 1.953086] NET: Registered protocol family 1 [ 1.953775] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 1.955176] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.956070] software IO TLB: mapped [mem 0xbbffd000-0xbfffd000] (64MB) [ 1.957712] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 10737418240 ms ovfl timer [ 1.959126] RAPL PMU: hw unit of domain pp0-core 2^-0 Joules [ 1.960115] RAPL PMU: hw unit of domain package 2^-0 Joules [ 1.961071] RAPL PMU: hw unit of domain dram 2^-0 Joules [ 1.961878] RAPL PMU: hw unit of domain pp1-gpu 2^-0 Joules [ 1.964607] audit: initializing netlink subsys (disabled) [ 1.965581] audit: type=2000 audit(1550416953.130:1): initialized [ 1.968400] workingset: timestamp_bits=62 max_order=21 bucket_order=0 [ 2.004291] Registering sdcardfs 0.1 [ 2.006268] fuse init (API version 7.26) [ 2.014439] cryptomgr_test (35) used greatest stack depth: 29304 bytes left [ 2.020263] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 253) [ 2.021540] io scheduler noop registered [ 2.022179] io scheduler deadline registered [ 2.023492] io scheduler cfq registered (default) [ 2.033319] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 2.034646] ACPI: Power Button [PWRF] [ 2.035735] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 2.037045] ACPI: Sleep Button [SLPF] [ 2.037907] Warning: Processor Platform Limit event detected, but not handled. [ 2.039342] Consider compiling CPUfreq support into your kernel. [ 2.046768] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 2.047810] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 2.055697] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 2.056904] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 2.062545] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 2.085492] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 2.110297] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 2.135784] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 2.161780] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 2.187961] brd: module loaded [ 2.200780] loop: module loaded [ 2.213018] scsi host0: Virtio SCSI HBA [ 2.218959] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 2.459915] random: fast init done [ 2.473514] tun: Universal TUN/TAP device driver, 1.6 [ 2.473634] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB) [ 2.473639] sd 0:0:1:0: [sda] 4096-byte physical blocks [ 2.479192] tun: (C) 1999-2004 Max Krasnyansky [ 2.481650] sd 0:0:1:0: [sda] Write Protect is off [ 2.484447] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 2.500053] sda: sda1 [ 2.500296] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI [ 2.500298] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 2.500438] PPP generic driver version 2.4.2 [ 2.501868] PPP BSD Compression module registered [ 2.501872] PPP Deflate Compression module registered [ 2.501888] PPP MPPE Compression module registered [ 2.501891] NET: Registered protocol family 24 [ 2.502006] usbcore: registered new interface driver asix [ 2.502081] usbcore: registered new interface driver ax88179_178a [ 2.502144] usbcore: registered new interface driver cdc_ether [ 2.502213] usbcore: registered new interface driver net1080 [ 2.502286] usbcore: registered new interface driver cdc_subset [ 2.502356] usbcore: registered new interface driver zaurus [ 2.502464] usbcore: registered new interface driver cdc_ncm [ 2.502466] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 2.502468] ehci-pci: EHCI PCI platform driver [ 2.502814] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12 [ 2.503512] i8042: Warning: Keylock active [ 2.504727] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 2.505229] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 2.507140] mousedev: PS/2 mouse device common for all mice [ 2.509826] usbcore: registered new interface driver xpad [ 2.509897] usbcore: registered new interface driver usb_acecad [ 2.509964] usbcore: registered new interface driver aiptek [ 2.510035] usbcore: registered new interface driver gtco [ 2.510102] usbcore: registered new interface driver hanwang [ 2.510953] usbcore: registered new interface driver kbtab [ 2.512764] rtc_cmos 00:00: RTC can wake from S4 [ 2.514636] rtc_cmos 00:00: rtc core: registered rtc_cmos as rtc0 [ 2.514917] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram [ 2.516145] device-mapper: uevent: version 1.0.3 [ 2.517938] device-mapper: ioctl: 4.35.0-ioctl (2016-06-23) initialised: dm-devel@redhat.com [ 2.528370] hidraw: raw HID events driver (C) Jiri Kosina [ 2.533724] usbcore: registered new interface driver usbhid [ 2.535710] usbhid: USB HID core driver [ 2.538038] ion_heap_create: Heap type is disabled: 1 [ 2.540071] kasan: CONFIG_KASAN_INLINE enabled [ 2.540303] sd 0:0:1:0: [sda] Attached SCSI disk [ 2.540713] ================================================================== [ 2.540722] BUG: KASAN: use-after-free in __lock_acquire+0x2f1c/0x4350 [ 2.540725] Read of size 8 at addr ffff8801d67519c8 by task system/347 [ 2.540726] [ 2.540732] CPU: 1 PID: 347 Comm: system Not tainted 4.9.158+ #48 [ 2.540740] ffff8801d5cc79e0 ffffffff81b480e1 0000000000000000 ffffea000759d400 [ 2.540745] ffff8801d67519c8 0000000000000008 ffffffff8120ac3c ffff8801d5cc7a18 [ 2.540750] ffffffff81502fd5 0000000000000000 ffff8801d67519c8 ffff8801d67519c8 [ 2.540751] Call Trace: [ 2.540757] [] dump_stack+0xc1/0x120 [ 2.540761] [] ? __lock_acquire+0x2f1c/0x4350 [ 2.540767] [] print_address_description+0x6f/0x238 [ 2.540771] [] ? __lock_acquire+0x2f1c/0x4350 [ 2.540775] [] kasan_report.cold+0x8c/0x2ba [ 2.540780] [] __asan_report_load8_noabort+0x14/0x20 [ 2.540784] [] __lock_acquire+0x2f1c/0x4350 [ 2.540788] [] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 2.540794] [] ? check_preemption_disabled+0x3c/0x200 [ 2.540798] [] ? trace_hardirqs_on+0x10/0x10 [ 2.540803] [] ? cpuacct_charge+0x1f7/0x360 [ 2.540807] [] ? cpuacct_charge+0x85/0x360 [ 2.540812] [] ? pick_next_entity+0x198/0x3f0 [ 2.540816] [] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 2.540820] [] lock_acquire+0x133/0x3d0 [ 2.540827] [] ? ion_heap_deferred_free+0xf9/0x560 [ 2.540833] [] _raw_spin_lock+0x38/0x50 [ 2.540838] [] ? ion_heap_deferred_free+0xf9/0x560 [ 2.540842] [] ion_heap_deferred_free+0xf9/0x560 [ 2.540846] [] ? _raw_spin_unlock_irq+0x28/0x60 [ 2.540851] [] ? ion_heap_shrink_scan+0x1b0/0x1b0 [ 2.540855] [] ? __schedule+0xf7f/0x1b50 [ 2.540861] [] ? ___preempt_schedule+0x16/0x18 [ 2.540866] [] ? __kthread_parkme+0x173/0x240 [ 2.540871] [] ? ion_heap_shrink_scan+0x1b0/0x1b0 [ 2.540875] [] kthread+0x278/0x310 [ 2.540879] [] ? kthread_park+0xa0/0xa0 [ 2.540883] [] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 2.540888] [] ? _raw_spin_unlock_irq+0x39/0x60 [ 2.540893] [] ? finish_task_switch+0x1e5/0x660 [ 2.540897] [] ? finish_task_switch+0x1b7/0x660 [ 2.540901] [] ? __switch_to_asm+0x34/0x70 [ 2.540905] [] ? __switch_to_asm+0x40/0x70 [ 2.540909] [] ? __switch_to_asm+0x34/0x70 [ 2.540913] [] ? kthread_park+0xa0/0xa0 [ 2.540917] [] ? kthread_park+0xa0/0xa0 [ 2.540921] [] ret_from_fork+0x5c/0x70 [ 2.540923] [ 2.540924] Allocated by task 1: [ 2.540929] save_stack_trace+0x16/0x20 [ 2.540932] kasan_kmalloc.part.0+0x62/0xf0 [ 2.540935] kasan_kmalloc+0xb7/0xd0 [ 2.540939] kmem_cache_alloc_trace+0x115/0x2d0 [ 2.540942] ion_system_heap_create+0x42/0x1c0 [ 2.540946] ion_heap_create+0x156/0x1b0 [ 2.540950] ion_dummy_init+0x22e/0x3b6 [ 2.540954] do_one_initcall+0xb1/0x1c0 [ 2.540957] kernel_init_freeable+0x2ff/0x3c3 [ 2.540960] kernel_init+0x12/0x163 [ 2.540964] ret_from_fork+0x5c/0x70 [ 2.540965] [ 2.540966] Freed by task 1: [ 2.540969] save_stack_trace+0x16/0x20 [ 2.540972] kasan_slab_free+0xb0/0x190 [ 2.540976] kfree+0xfb/0x310 [ 2.540979] ion_system_heap_destroy+0x72/0x90 [ 2.540982] ion_heap_destroy+0x6a/0xd0 [ 2.540985] ion_dummy_init+0x30a/0x3b6 [ 2.540989] do_one_initcall+0xb1/0x1c0 [ 2.540991] kernel_init_freeable+0x2ff/0x3c3 [ 2.540994] kernel_init+0x12/0x163 [ 2.540998] ret_from_fork+0x5c/0x70 [ 2.540998] [ 2.541001] The buggy address belongs to the object at ffff8801d6751900 [ 2.541001] which belongs to the cache kmalloc-512 of size 512 [ 2.541004] The buggy address is located 200 bytes inside of [ 2.541004] 512-byte region [ffff8801d6751900, ffff8801d6751b00) [ 2.541005] The buggy address belongs to the page: [ 2.541010] page:ffffea000759d400 count:1 mapcount:0 mapping: (null) index:0x0 compound_mapcount: 0 [ 2.541013] flags: 0x4000000000004080(slab|head) [ 2.541015] page dumped because: kasan: bad access detected [ 2.541015] [ 2.541016] Memory state around the buggy address: [ 2.541020] ffff8801d6751880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 2.541023] ffff8801d6751900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 2.541026] >ffff8801d6751980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 2.541035] ^ [ 2.541038] ffff8801d6751a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 2.541041] ffff8801d6751a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 2.541042] ================================================================== [ 2.541043] Disabling lock debugging due to kernel taint [ 2.541045] Kernel panic - not syncing: panic_on_warn set ... [ 2.541045] [ 2.541049] CPU: 1 PID: 347 Comm: system Tainted: G B 4.9.158+ #48 [ 2.541055] ffff8801d5cc7920 ffffffff81b480e1 ffff8801d5cc7a00 ffffffff82e3c262 [ 2.541061] 00000000ffffffff 0000000000000001 ffffffff8120ac3c ffff8801d5cc7a00 [ 2.541066] ffffffff813f7bda 0000000041b58ab3 ffffffff82e2e38a ffffffff813f7a01 [ 2.541067] Call Trace: [ 2.541071] [] dump_stack+0xc1/0x120 [ 2.541075] [] ? __lock_acquire+0x2f1c/0x4350 [ 2.541080] [] panic+0x1d9/0x3bd [ 2.541084] [] ? add_taint.cold+0x16/0x16 [ 2.541088] [] ? kasan_end_report+0x32/0x4f [ 2.541092] [] kasan_end_report+0x47/0x4f [ 2.541097] [] kasan_report.cold+0xa9/0x2ba [ 2.541101] [] __asan_report_load8_noabort+0x14/0x20 [ 2.541105] [] __lock_acquire+0x2f1c/0x4350 [ 2.541109] [] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 2.541113] [] ? check_preemption_disabled+0x3c/0x200 [ 2.541117] [] ? trace_hardirqs_on+0x10/0x10 [ 2.541121] [] ? cpuacct_charge+0x1f7/0x360 [ 2.541125] [] ? cpuacct_charge+0x85/0x360 [ 2.541129] [] ? pick_next_entity+0x198/0x3f0 [ 2.541133] [] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 2.541137] [] lock_acquire+0x133/0x3d0 [ 2.541141] [] ? ion_heap_deferred_free+0xf9/0x560 [ 2.541146] [] _raw_spin_lock+0x38/0x50 [ 2.541150] [] ? ion_heap_deferred_free+0xf9/0x560 [ 2.541154] [] ion_heap_deferred_free+0xf9/0x560 [ 2.541159] [] ? _raw_spin_unlock_irq+0x28/0x60 [ 2.541163] [] ? ion_heap_shrink_scan+0x1b0/0x1b0 [ 2.541167] [] ? __schedule+0xf7f/0x1b50 [ 2.541171] [] ? ___preempt_schedule+0x16/0x18 [ 2.541175] [] ? __kthread_parkme+0x173/0x240 [ 2.541180] [] ? ion_heap_shrink_scan+0x1b0/0x1b0 [ 2.541183] [] kthread+0x278/0x310 [ 2.541187] [] ? kthread_park+0xa0/0xa0 [ 2.541191] [] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 2.541196] [] ? _raw_spin_unlock_irq+0x39/0x60 [ 2.541200] [] ? finish_task_switch+0x1e5/0x660 [ 2.541204] [] ? finish_task_switch+0x1b7/0x660 [ 2.541209] [] ? __switch_to_asm+0x34/0x70 [ 2.541213] [] ? __switch_to_asm+0x40/0x70 [ 2.541217] [] ? __switch_to_asm+0x34/0x70 [ 2.541220] [] ? kthread_park+0xa0/0xa0 [ 2.541224] [] ? kthread_park+0xa0/0xa0 [ 2.541228] [] ret_from_fork+0x5c/0x70 [ 2.541744] Kernel Offset: disabled [ 2.667216] Rebooting in 86400 seconds..