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-386/latest.tmp/key" "root@10.128.0.137" "pwd"]: exit status 255 ssh: connect to host 10.128.0.137 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-386-test-2 port 1 (session ID: 3d90089db9178ffb39d3071c0fc24e11514519b10e9e5ab09a199041a4d335f7, active connections: 1). SeaBIOS (version 1.8.2-20190620_103534-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 0x000f2710: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Booting from Hard Disk 0... [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Initializing cgroup subsys cpuacct [ 0.000000] Linux version 4.4.188+ (syzkaller@ci) (gcc version 9.0.0 20181231 (experimental) (GCC) ) #21 SMP PREEMPT Thu Aug 8 08:37:21 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: 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 0x000f29c0-0x000f29cf] mapped at [ffff8800000f29c0] [ 0.000000] Using GB pages for direct mapping [ 0.000000] ACPI: Early table checksum verification disabled [ 0.000000] ACPI: RSDP 0x00000000000F2750 000014 (v00 Google) [ 0.000000] ACPI: RSDT 0x00000000BFFFDA50 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: FACP 0x00000000BFFFFF00 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.000000] ACPI: DSDT 0x00000000BFFFDA90 0018BA (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: FACS 0x00000000BFFFFEC0 000040 [ 0.000000] ACPI: FACS 0x00000000BFFFFEC0 000040 [ 0.000000] ACPI: SSDT 0x00000000BFFFF540 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: APIC 0x00000000BFFFF450 000076 (v01 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.000000] ACPI: WAET 0x00000000BFFFF420 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.000000] ACPI: SRAT 0x00000000BFFFF350 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 1356249951 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: 6609376K/7863916K available (23773K kernel code, 3800K rwdata, 5160K rodata, 1320K init, 23156K bss, 1254540K 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 [ 1.269743] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.270973] pid_max: default: 32768 minimum: 301 [ 1.271719] ACPI: Core revision 20150930 [ 1.342380] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.343934] Security Framework initialized [ 1.344834] SELinux: Initializing. [ 1.345621] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.346613] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.350940] Initializing cgroup subsys freezer [ 1.351854] CPU: Physical Processor ID: 0 [ 1.353122] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.354023] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.355093] Spectre V2 : Mitigation: Full generic retpoline [ 1.356170] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 1.357521] Spectre V2 : Enabling Restricted Speculation for firmware calls [ 1.358720] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 1.360354] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl [ 1.361664] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 1.363154] MDS: Mitigation: Clear CPU buffers [ 1.364939] Freeing SMP alternatives memory: 28K [ 1.375454] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.488887] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.491226] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.579244] x86: Booting SMP configuration: [ 1.580016] .... node #0, CPUs: #1 [ 1.580958] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.585376] 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. [ 1.587673] x86: Booted up 1 node, 2 CPUs [ 1.588547] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.590788] CPU1: update max cpu_capacity 589 [ 1.592929] devtmpfs: initialized [ 1.601174] CPU1: update max cpu_capacity 589 [ 1.602958] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.605340] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.610054] NET: Registered protocol family 16 [ 1.639024] cpuidle: using governor ladder [ 1.668964] cpuidle: using governor menu [ 1.670085] ACPI: bus type PCI registered [ 1.670766] PCI: Using configuration type 1 for base access [ 1.752920] ACPI: Added _OSI(Module Device) [ 1.753840] ACPI: Added _OSI(Processor Device) [ 1.754553] ACPI: Added _OSI(3.0 _SCP Extensions) [ 1.755340] ACPI: Added _OSI(Processor Aggregator Device) [ 1.767048] ACPI: Executed 2 blocks of module-level executable AML code [ 1.861703] ACPI: Interpreter enabled [ 1.862885] ACPI: (supports S0 S3 S5) [ 1.863601] ACPI: Using IOAPIC for interrupt routing [ 1.865076] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 2.072934] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 2.074538] acpi PNP0A03:00: _OSC: OS supports [Segments MSI] [ 2.076030] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 2.091186] PCI host bridge to bus 0000:00 [ 2.091934] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 2.093031] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 2.094021] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 2.095360] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 2.096649] pci_bus 0000:00: root bus resource [bus 00-ff] [ 2.143365] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 2.241986] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 2.248895] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 2.255647] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 2.262242] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 2.266223] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 2.280152] ACPI: Enabled 16 GPEs in block 00 to 0F [ 2.283165] vgaarb: loaded [ 2.287005] SCSI subsystem initialized [ 2.289185] ACPI: bus type USB registered [ 2.290732] usbcore: registered new interface driver usbfs [ 2.291966] usbcore: registered new interface driver hub [ 2.293209] usbcore: registered new device driver usb [ 2.295104] Advanced Linux Sound Architecture Driver Initialized. [ 2.296118] PCI: Using ACPI for IRQ routing [ 2.301092] amd_nb: Cannot enumerate AMD northbridges [ 2.302434] clocksource: Switched to clocksource kvm-clock [ 2.419294] pnp: PnP ACPI init [ 2.443953] pnp: PnP ACPI: found 7 devices [ 2.455668] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 2.457513] NET: Registered protocol family 2 [ 2.460740] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 2.462187] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes) [ 2.467763] TCP: Hash tables configured (established 65536 bind 65536) [ 2.469393] UDP hash table entries: 4096 (order: 7, 655360 bytes) [ 2.471779] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes) [ 2.474236] NET: Registered protocol family 1 [ 2.475166] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 2.477382] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 2.478328] software IO TLB: mapped [mem 0xbbffd000-0xbfffd000] (64MB) [ 2.480464] RAPL PMU detected, API unit is 2^-32 Joules, 3 fixed counters 10737418240 ms ovfl timer [ 2.482215] hw unit of domain pp0-core 2^-0 Joules [ 2.483135] hw unit of domain package 2^-0 Joules [ 2.484023] hw unit of domain dram 2^-16 Joules [ 2.489672] audit: initializing netlink subsys (disabled) [ 2.491827] audit: type=2000 audit(1565253612.104:1): initialized [ 2.597333] VFS: Disk quotas dquot_6.6.0 [ 2.599703] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 2.614592] Registering sdcardfs 0.1 [ 2.619343] fuse init (API version 7.23) [ 2.639213] cryptomgr_test (31) used greatest stack depth: 29264 bytes left [ 2.640727] cryptomgr_test (32) used greatest stack depth: 28720 bytes left [ 2.651174] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 253) [ 2.653261] io scheduler noop registered [ 2.654170] io scheduler deadline registered [ 2.656945] io scheduler cfq registered (default) [ 2.668826] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 2.670088] ACPI: Power Button [PWRF] [ 2.672107] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 2.673637] ACPI: Sleep Button [SLPF] [ 2.674694] Warning: Processor Platform Limit event detected, but not handled. [ 2.675709] Consider compiling CPUfreq support into your kernel. [ 2.699195] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 2.700411] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 2.726888] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 2.729274] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 2.737745] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 2.761104] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 2.787138] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 2.813427] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 2.839532] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 2.935656] brd: module loaded [ 3.002158] loop: module loaded [ 3.022147] scsi host0: Virtio SCSI HBA [ 3.056111] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 3.473025] tsc: Refined TSC clocksource calibration: 2299.788 MHz [ 3.474865] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x21266cf7f05, max_idle_ns: 440795268182 ns [ 3.841080] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB) [ 3.841128] tun: Universal TUN/TAP device driver, 1.6 [ 3.841131] tun: (C) 1999-2004 Max Krasnyansky [ 3.846202] sd 0:0:1:0: [sda] 4096-byte physical blocks [ 3.852355] sd 0:0:1:0: [sda] Write Protect is off [ 3.855493] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 3.880003] sda: sda1 [ 3.882520] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI [ 3.884589] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 3.886802] PPP generic driver version 2.4.2 [ 3.889665] PPP BSD Compression module registered [ 3.890776] PPP Deflate Compression module registered [ 3.892296] PPP MPPE Compression module registered [ 3.893579] NET: Registered protocol family 24 [ 3.895049] sd 0:0:1:0: [sda] Attached SCSI disk [ 3.895219] usbcore: registered new interface driver asix [ 3.895538] usbcore: registered new interface driver ax88179_178a [ 3.895863] usbcore: registered new interface driver cdc_ether [ 3.896173] usbcore: registered new interface driver net1080 [ 3.896491] usbcore: registered new interface driver cdc_subset [ 3.896799] usbcore: registered new interface driver zaurus [ 3.897311] usbcore: registered new interface driver cdc_ncm [ 3.897334] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 3.897360] ehci-pci: EHCI PCI platform driver [ 3.898832] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12 [ 3.900699] i8042: Warning: Keylock active [ 3.902582] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 3.904793] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 3.908531] mousedev: PS/2 mouse device common for all mice [ 3.912229] usbcore: registered new interface driver xpad [ 3.912601] usbcore: registered new interface driver usb_acecad [ 3.912933] usbcore: registered new interface driver aiptek [ 3.913236] usbcore: registered new interface driver gtco [ 3.913551] usbcore: registered new interface driver hanwang [ 3.913962] usbcore: registered new interface driver kbtab [ 3.917408] rtc_cmos 00:00: RTC can wake from S4 [ 3.920063] rtc_cmos 00:00: rtc core: registered rtc_cmos as rtc0 [ 3.920478] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram [ 3.926777] device-mapper: uevent: version 1.0.3 [ 3.930672] device-mapper: ioctl: 4.34.0-ioctl (2015-10-28) initialised: dm-devel@redhat.com [ 3.941697] hidraw: raw HID events driver (C) Jiri Kosina [ 3.957343] usbcore: registered new interface driver usbhid [ 3.958982] usbhid: USB HID core driver [ 3.962070] ion_heap_create: Heap type is disabled: 1 [ 3.963646] kasan: CONFIG_KASAN_INLINE enabled[ 3.963691] ================================================================== [ 3.963705] BUG: KASAN: use-after-free in __lock_acquire+0x49b0/0x4f80 [ 3.963711] Write of size 8 at addr ffff8800ba24e5d0 by task system/344 [ 3.963712] [ 3.963719] CPU: 1 PID: 344 Comm: system Not tainted 4.4.188+ #21 [ 3.963723] 0000000000000000 c7eb6e9d8ac8a529 ffff8801d7f179f0 ffffffff81ac2711 [ 3.963744] 0000000000000001 ffffea0002e89380 ffff8800ba24e5d0 0000000000000008 [ 3.963754] 0000000000000000 ffff8801d7f17a28 ffffffff81494390 0000000000000001 [ 3.963762] Call Trace: [ 3.963774] [] dump_stack+0xc1/0x120 [ 3.963790] [] print_address_description+0x6f/0x21b [ 3.963798] [] kasan_report.cold+0x8c/0x2be [ 3.963804] [] ? __lock_acquire+0x49b0/0x4f80 [ 3.963812] [] __asan_report_store8_noabort+0x17/0x20 [ 3.963818] [] __lock_acquire+0x49b0/0x4f80 [ 3.963827] [] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 3.963835] [] ? trace_hardirqs_on+0x10/0x10 [ 3.963842] [] ? cpuacct_charge+0x1bb/0x360 [ 3.963848] [] ? cpuacct_charge+0x60/0x360 [ 3.963855] [] ? pick_next_entity+0x198/0x3f0 [ 3.963862] [] lock_acquire+0x15e/0x450 [ 3.963872] [] ? ion_heap_deferred_free+0x100/0x500 [ 3.963880] [] ? ion_heap_shrink_scan+0x1b0/0x1b0 [ 3.963888] [] _raw_spin_lock+0x38/0x50 [ 3.963896] [] ? ion_heap_deferred_free+0x100/0x500 [ 3.963903] [] ion_heap_deferred_free+0x100/0x500 [ 3.963910] [] ? ion_heap_shrink_scan+0x1b0/0x1b0 [ 3.963919] [] ? __schedule+0x1150/0x1ee0 [ 3.963927] [] ? preempt_schedule+0x24/0x30 [ 3.963936] [] ? ___preempt_schedule+0x12/0x14 [ 3.963944] [] ? __kthread_parkme+0x164/0x230 [ 3.963952] [] ? ion_heap_shrink_scan+0x1b0/0x1b0 [ 3.963959] [] kthread+0x273/0x310 [ 3.963967] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 3.963975] [] ? _raw_spin_unlock_irq+0x39/0x60 [ 3.963983] [] ? finish_task_switch+0x1e1/0x660 [ 3.963989] [] ? finish_task_switch+0x1b3/0x660 [ 3.963997] [] ? __schedule+0x7af/0x1ee0 [ 3.964004] [] ? __schedule+0x7a3/0x1ee0 [ 3.964016] [] ? __schedule+0x7af/0x1ee0 [ 3.964025] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 3.964033] [] ret_from_fork+0x55/0x80 [ 3.964041] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 3.964043] [ 3.964046] Allocated by task 1: [ 3.964048] [] save_stack_trace+0x26/0x50 [ 3.964058] [] kasan_kmalloc.part.0+0x62/0xf0 [ 3.964066] [] kasan_kmalloc+0xb7/0xd0 [ 3.964073] [] kmem_cache_alloc_trace+0x123/0x2d0 [ 3.964081] [] ion_system_heap_create+0x4b/0x2c0 [ 3.964090] [] ion_heap_create+0x156/0x1b0 [ 3.964098] [] ion_dummy_init+0x1e5/0x36d [ 3.964108] [] do_one_initcall+0x13b/0x260 [ 3.964117] [] kernel_init_freeable+0x2fa/0x3c3 [ 3.964126] [] kernel_init+0x12/0x15e [ 3.964134] [] ret_from_fork+0x55/0x80 [ 3.964142] [ 3.964145] Freed by task 1: [ 3.964146] [] save_stack_trace+0x26/0x50 [ 3.964154] [] kasan_slab_free+0xb0/0x190 [ 3.964161] [] kfree+0xf4/0x310 [ 3.964180] [] ion_system_heap_destroy+0x9a/0xc0 [ 3.964188] [] ion_heap_destroy+0x6a/0xd0 [ 3.964196] [] ion_dummy_init+0x2c1/0x36d [ 3.964204] [] do_one_initcall+0x13b/0x260 [ 3.964212] [] kernel_init_freeable+0x2fa/0x3c3 [ 3.964221] [] kernel_init+0x12/0x15e [ 3.964229] [] ret_from_fork+0x55/0x80 [ 3.964237] [ 3.964242] The buggy address belongs to the object at ffff8800ba24e500 [ 3.964242] which belongs to the cache kmalloc-512 of size 512 [ 3.964248] The buggy address is located 208 bytes inside of [ 3.964248] 512-byte region [ffff8800ba24e500, ffff8800ba24e700) [ 3.964250] The buggy address belongs to the page: [ 4.118810] ------------[ cut here ]------------ [ 4.120609] WARNING: CPU: 0 PID: 4 at kernel/locking/lockdep.c:728 __lock_acquire+0x29de/0x4f80() [ 4.123750] Kernel panic - not syncing: panic_on_warn set ... [ 4.123750] [ 4.126274] CPU: 0 PID: 4 Comm: kworker/0:0 Not tainted 4.4.188+ #21 [ 4.128526] Workqueue: events_long serio_handle_event [ 4.130535] 0000000000000000 cd83bbd9efeac054 ffff8801da6372d0 ffffffff81ac2711 [ 4.133176] 0000000000000000 ffffffff82836be0 ffffffff8284cb40 00000000000002d8 [ 4.135936] ffffffff8120556e ffff8801da6373b0 ffffffff813a8892 0000000041b58ab3 [ 4.138627] Call Trace: [ 4.139502] [] dump_stack+0xc1/0x120 [ 4.141270] [] ? __lock_acquire+0x29de/0x4f80 [ 4.143326] [] panic+0x1b9/0x37b [ 4.145013] [] ? add_taint.cold+0x16/0x16 [ 4.146982] [] ? warn_slowpath_common.cold+0x5/0x20 [ 4.149210] [] warn_slowpath_common.cold+0x20/0x20 [ 4.151414] [] warn_slowpath_null+0x2a/0x30 [ 4.153568] [] __lock_acquire+0x29de/0x4f80 [ 4.155541] [] ? mark_held_locks+0xb1/0x100 [ 4.157494] [] ? trace_hardirqs_on+0x10/0x10 [ 4.159503] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 4.162016] [] ? free_object+0x112/0x2b0 [ 4.164037] [] ? debug_object_free+0x1c9/0x350 [ 4.166158] [] lock_acquire+0x15e/0x450 [ 4.168119] [] ? prepare_to_wait_event+0x108/0x660 [ 4.170335] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 4.172691] [] _raw_spin_lock_irqsave+0x50/0x70 [ 4.174984] [] ? prepare_to_wait_event+0x108/0x660 [ 4.177169] [] prepare_to_wait_event+0x108/0x660 [ 4.179269] [] ? abort_exclusive_wait+0x2c0/0x2c0 [ 4.181632] [] ps2_sendbyte+0x3a0/0x4d0 [ 4.183548] [] ? serport_ldisc_open+0x170/0x170 [ 4.185570] [] ? autoremove_wake_function.part.0+0x130/0x130 [ 4.188130] [] ? _raw_spin_unlock_irq+0x28/0x60 [ 4.190242] [] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 4.192542] [] __ps2_command+0x1fd/0xea0 [ 4.194428] [] ? ps2_is_keyboard_id+0x30/0x30 [ 4.196463] [] ? mutex_trylock+0x500/0x500 [ 4.198475] [] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 4.200822] [] ps2_command+0x82/0x130 [ 4.202799] [] atkbd_probe+0x98/0x320 [ 4.205090] [] ? atkbd_event_work+0x120/0x120 [ 4.207160] [] ? _raw_spin_unlock_irq+0x39/0x60 [ 4.209234] [] atkbd_connect+0x6b8/0x850 [ 4.211142] [] serio_connect_driver+0x52/0x70 [ 4.213191] [] serio_driver_probe+0x47/0x60 [ 4.215268] [] ? serio_connect_driver+0x70/0x70 [ 4.217562] [] driver_probe_device+0x205/0x680 [ 4.219738] [] __driver_attach+0x148/0x180 [ 4.221727] [] bus_for_each_dev+0x174/0x1f0 [ 4.223804] [] ? driver_probe_device+0x680/0x680 [ 4.226029] [] ? subsys_dev_iter_exit+0x20/0x20 [ 4.228160] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 4.230562] [] driver_attach+0x40/0x50 [ 4.232798] [] serio_handle_event+0x521/0x880 [ 4.234830] [] process_one_work+0x825/0x1720 [ 4.236890] [] ? process_one_work+0x742/0x1720 [ 4.239377] [] ? finish_task_switch+0x1e1/0x660 [ 4.241572] [] ? cancel_delayed_work_sync+0x20/0x20 [ 4.243947] [] worker_thread+0x4e4/0xf50 [ 4.245920] [] ? process_one_work+0x1720/0x1720 [ 4.247953] [] kthread+0x273/0x310 [ 4.250064] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 4.252500] [] ? _raw_spin_unlock_irq+0x39/0x60 [ 4.254824] [] ? finish_task_switch+0x1e1/0x660 [ 4.256985] [] ? finish_task_switch+0x1b3/0x660 [ 4.259139] [] ? __schedule+0x7af/0x1ee0 [ 4.261052] [] ? __schedule+0x7a3/0x1ee0 [ 4.262982] [] ? __schedule+0x7af/0x1ee0 [ 4.264919] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 4.267293] [] ret_from_fork+0x55/0x80 [ 4.269309] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 5.390410] Shutting down cpus with NMI [ 5.395638] Kernel Offset: disabled [ 5.396620] Rebooting in 86400 seconds..