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-49-kasan-gce-386/latest.tmp/key" "root@10.128.0.46" "pwd"]: exit status 255 ssh: connect to host 10.128.0.46 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-386-test-2 port 1 (session ID: 980acfb0c68d50e7f2d64d597fc73f138dafd6f19a6749d7b609205d0f95e503, active connections: 1). SeaBIOS (version 1.8.2-20190122_225043-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 0x000f29c0: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Booting from Hard Disk 0... [ 0.000000] Linux version 4.9.162+ (syzkaller@ci) (gcc version 9.0.0 20181231 (experimental) (GCC) ) #68 SMP PREEMPT Thu Mar 7 09:07:08 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 0x00000000000F2A00 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 1792918434 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 (24631K kernel code, 4051K rwdata, 5048K rodata, 1388K 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 [ 1.083186] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.084367] pid_max: default: 32768 minimum: 301 [ 1.085097] ACPI: Core revision 20160831 [ 1.103137] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.104246] Security Framework initialized [ 1.104875] SELinux: Initializing. [ 1.105578] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.106549] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.108890] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.109743] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.110651] Spectre V2 : Mitigation: Full generic retpoline [ 1.111480] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 1.112720] Speculative Store Bypass: Vulnerable [ 1.114322] Freeing SMP alternatives memory: 32K [ 1.119927] smpboot: Max logical packages: 2 [ 1.123862] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.242567] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.244028] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.442723] x86: Booting SMP configuration: [ 1.443362] .... node #0, CPUs: #1[ 1.444170] kvm-clock: cpu 1, msr 2:1fffd041, secondary cpu clock [ 1.447954] x86: Booted up 1 node, 2 CPUs [ 1.448554] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.450342] CPU1: update max cpu_capacity 1024 [ 1.452098] devtmpfs: initialized [ 1.452613] CPU0: update max cpu_capacity 1024 [ 1.552767] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.554159] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.555896] NET: Registered protocol family 16 [ 1.592646] cpuidle: using governor menu [ 1.593582] ACPI: bus type PCI registered [ 1.594225] PCI: Using configuration type 1 for base access [ 1.645299] ACPI: Added _OSI(Module Device) [ 1.645990] ACPI: Added _OSI(Processor Device) [ 1.646693] ACPI: Added _OSI(3.0 _SCP Extensions) [ 1.647349] ACPI: Added _OSI(Processor Aggregator Device) [ 1.649056] ACPI: Executed 2 blocks of module-level executable AML code [ 1.671025] ACPI: Interpreter enabled [ 1.671757] ACPI: (supports S0 S3 S5) [ 1.672285] ACPI: Using IOAPIC for interrupt routing [ 1.673164] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 1.714595] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 1.715584] acpi PNP0A03:00: _OSC: OS supports [Segments MSI] [ 1.716472] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 1.719789] PCI host bridge to bus 0000:00 [ 1.720500] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 1.721443] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 1.722385] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 1.723471] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 1.724573] pci_bus 0000:00: root bus resource [bus 00-ff] [ 1.749265] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 1.795059] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 1.798024] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 1.800879] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 1.803392] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 1.805513] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 1.809227] ACPI: Enabled 16 GPEs in block 00 to 0F [ 1.811058] vgaarb: loaded [ 1.812097] SCSI subsystem initialized [ 1.813279] ACPI: bus type USB registered [ 1.814107] usbcore: registered new interface driver usbfs [ 1.814980] usbcore: registered new interface driver hub [ 1.815853] usbcore: registered new device driver usb [ 1.816916] Advanced Linux Sound Architecture Driver Initialized. [ 1.817894] PCI: Using ACPI for IRQ routing [ 1.820705] clocksource: Switched to clocksource kvm-clock [ 1.876790] VFS: Disk quotas dquot_6.6.0 [ 1.877473] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.878722] pnp: PnP ACPI init [ 1.885370] pnp: PnP ACPI: found 7 devices [ 1.893978] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.895994] NET: Registered protocol family 2 [ 1.931044] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 1.932591] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes) [ 1.937603] TCP: Hash tables configured (established 65536 bind 65536) [ 1.938783] UDP hash table entries: 4096 (order: 7, 655360 bytes) [ 1.941214] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes) [ 1.943404] NET: Registered protocol family 1 [ 1.944183] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 1.946016] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.947315] software IO TLB: mapped [mem 0xbbffd000-0xbfffd000] (64MB) [ 1.948752] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 10737418240 ms ovfl timer [ 1.949992] RAPL PMU: hw unit of domain pp0-core 2^-0 Joules [ 1.950933] RAPL PMU: hw unit of domain package 2^-0 Joules [ 1.951811] RAPL PMU: hw unit of domain dram 2^-0 Joules [ 1.952784] RAPL PMU: hw unit of domain pp1-gpu 2^-0 Joules [ 1.955392] audit: initializing netlink subsys (disabled) [ 1.956835] audit: type=2000 audit(1551949810.773:1): initialized [ 1.960250] workingset: timestamp_bits=62 max_order=21 bucket_order=0 [ 1.996006] Registering sdcardfs 0.1 [ 1.998055] fuse init (API version 7.26) [ 2.005989] cryptomgr_test (35) used greatest stack depth: 29304 bytes left [ 2.011434] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 253) [ 2.012624] io scheduler noop registered [ 2.013175] io scheduler deadline registered [ 2.014375] io scheduler cfq registered (default) [ 2.024421] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 2.025552] ACPI: Power Button [PWRF] [ 2.026494] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 2.027632] ACPI: Sleep Button [SLPF] [ 2.028418] Warning: Processor Platform Limit event detected, but not handled. [ 2.029466] Consider compiling CPUfreq support into your kernel. [ 2.036825] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 2.037766] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 2.045441] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 2.046412] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 2.050596] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 2.073360] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 2.097755] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 2.121418] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 2.144884] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 2.169900] brd: module loaded [ 2.183492] loop: module loaded [ 2.195747] scsi host0: Virtio SCSI HBA [ 2.201185] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 2.450748] random: fast init done [ 2.463670] tun: Universal TUN/TAP device driver, 1.6 [ 2.463769] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB) [ 2.463774] sd 0:0:1:0: [sda] 4096-byte physical blocks [ 2.468597] tun: (C) 1999-2004 Max Krasnyansky [ 2.470427] sd 0:0:1:0: [sda] Write Protect is off [ 2.473520] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 2.486110] sda: sda1 [ 2.487699] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI [ 2.487701] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 2.487823] PPP generic driver version 2.4.2 [ 2.489111] PPP BSD Compression module registered [ 2.489115] PPP Deflate Compression module registered [ 2.489132] PPP MPPE Compression module registered [ 2.489136] NET: Registered protocol family 24 [ 2.489274] usbcore: registered new interface driver asix [ 2.489371] usbcore: registered new interface driver ax88179_178a [ 2.489424] usbcore: registered new interface driver cdc_ether [ 2.489515] usbcore: registered new interface driver net1080 [ 2.489620] usbcore: registered new interface driver cdc_subset [ 2.489709] usbcore: registered new interface driver zaurus [ 2.489819] usbcore: registered new interface driver cdc_ncm [ 2.489821] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 2.489822] ehci-pci: EHCI PCI platform driver [ 2.490152] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12 [ 2.490644] i8042: Warning: Keylock active [ 2.492740] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 2.493270] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 2.495319] mousedev: PS/2 mouse device common for all mice [ 2.498003] usbcore: registered new interface driver xpad [ 2.498070] usbcore: registered new interface driver usb_acecad [ 2.498133] usbcore: registered new interface driver aiptek [ 2.498201] usbcore: registered new interface driver gtco [ 2.498277] usbcore: registered new interface driver hanwang [ 2.498362] usbcore: registered new interface driver kbtab [ 2.500967] rtc_cmos 00:00: RTC can wake from S4 [ 2.502712] rtc_cmos 00:00: rtc core: registered rtc_cmos as rtc0 [ 2.502988] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram [ 2.504216] device-mapper: uevent: version 1.0.3 [ 2.505862] device-mapper: ioctl: 4.35.0-ioctl (2016-06-23) initialised: dm-devel@redhat.com [ 2.516263] hidraw: raw HID events driver (C) Jiri Kosina [ 2.521795] usbcore: registered new interface driver usbhid [ 2.523520] usbhid: USB HID core driver [ 2.525625] ion_heap_create: Heap type is disabled: 1 [ 2.527097] kasan: CONFIG_KASAN_INLINE enabled [ 2.527269] sd 0:0:1:0: [sda] Attached SCSI disk [ 2.529724] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 2.530837] ================================================================== [ 2.530846] BUG: KASAN: use-after-free in __lock_acquire+0x2f1c/0x4350 [ 2.530850] Read of size 8 at addr ffff8801d621cac8 by task system/347 [ 2.530850] [ 2.530855] CPU: 1 PID: 347 Comm: system Not tainted 4.9.162+ #68 [ 2.530864] ffff8801d5cc79e0 ffffffff81b483c1 0000000000000000 ffffea0007588700 [ 2.530869] ffff8801d621cac8 0000000000000008 ffffffff8120adac ffff8801d5cc7a18 [ 2.530875] ffffffff815033b5 0000000000000000 ffff8801d621cac8 ffff8801d621cac8 [ 2.530876] Call Trace: [ 2.530881] [] dump_stack+0xc1/0x120 [ 2.530885] [] ? __lock_acquire+0x2f1c/0x4350 [ 2.530892] [] print_address_description+0x6f/0x238 [ 2.530896] [] ? __lock_acquire+0x2f1c/0x4350 [ 2.530900] [] kasan_report.cold+0x8c/0x2ba [ 2.530905] [] __asan_report_load8_noabort+0x14/0x20 [ 2.530908] [] __lock_acquire+0x2f1c/0x4350 [ 2.530913] [] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 2.530919] [] ? check_preemption_disabled+0x3c/0x200 [ 2.530923] [] ? trace_hardirqs_on+0x10/0x10 [ 2.530928] [] ? cpuacct_charge+0x1f7/0x360 [ 2.530932] [] ? cpuacct_charge+0x85/0x360 [ 2.530937] [] ? pick_next_entity+0x198/0x3f0 [ 2.530941] [] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 2.530945] [] lock_acquire+0x133/0x3d0 [ 2.530952] [] ? ion_heap_deferred_free+0xf9/0x560 [ 2.530959] [] _raw_spin_lock+0x38/0x50 [ 2.530963] [] ? ion_heap_deferred_free+0xf9/0x560 [ 2.530968] [] ion_heap_deferred_free+0xf9/0x560 [ 2.530972] [] ? _raw_spin_unlock_irq+0x28/0x60 [ 2.530976] [] ? ion_heap_shrink_scan+0x1b0/0x1b0 [ 2.530980] [] ? __schedule+0xf7f/0x1b50 [ 2.530987] [] ? ___preempt_schedule+0x16/0x18 [ 2.530992] [] ? __kthread_parkme+0x173/0x240 [ 2.530997] [] ? ion_heap_shrink_scan+0x1b0/0x1b0 [ 2.531000] [] kthread+0x278/0x310 [ 2.531004] [] ? kthread_park+0xa0/0xa0 [ 2.531008] [] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 2.531013] [] ? _raw_spin_unlock_irq+0x39/0x60 [ 2.531019] [] ? finish_task_switch+0x1e5/0x660 [ 2.531023] [] ? finish_task_switch+0x1b7/0x660 [ 2.531027] [] ? __switch_to_asm+0x34/0x70 [ 2.531031] [] ? __switch_to_asm+0x40/0x70 [ 2.531035] [] ? __switch_to_asm+0x34/0x70 [ 2.531039] [] ? kthread_park+0xa0/0xa0 [ 2.531042] [] ? kthread_park+0xa0/0xa0 [ 2.531047] [] ret_from_fork+0x5c/0x70 [ 2.531048] [ 2.531050] Allocated by task 1: [ 2.531056] save_stack_trace+0x16/0x20 [ 2.531059] kasan_kmalloc.part.0+0x62/0xf0 [ 2.531062] kasan_kmalloc+0xb7/0xd0 [ 2.531066] kmem_cache_alloc_trace+0x115/0x2d0 [ 2.531069] ion_system_heap_create+0x42/0x1c0 [ 2.531073] ion_heap_create+0x156/0x1b0 [ 2.531077] ion_dummy_init+0x22e/0x3b6 [ 2.531080] do_one_initcall+0xb1/0x1c0 [ 2.531084] kernel_init_freeable+0x2ff/0x3c3 [ 2.531087] kernel_init+0x12/0x163 [ 2.531090] ret_from_fork+0x5c/0x70 [ 2.531091] [ 2.531092] Freed by task 1: [ 2.531096] save_stack_trace+0x16/0x20 [ 2.531099] kasan_slab_free+0xb0/0x190 [ 2.531102] kfree+0xfb/0x310 [ 2.531105] ion_system_heap_destroy+0x72/0x90 [ 2.531108] ion_heap_destroy+0x6a/0xd0 [ 2.531111] ion_dummy_init+0x30a/0x3b6 [ 2.531115] do_one_initcall+0xb1/0x1c0 [ 2.531118] kernel_init_freeable+0x2ff/0x3c3 [ 2.531120] kernel_init+0x12/0x163 [ 2.531124] ret_from_fork+0x5c/0x70 [ 2.531124] [ 2.531127] The buggy address belongs to the object at ffff8801d621ca00 [ 2.531127] which belongs to the cache kmalloc-512 of size 512 [ 2.531130] The buggy address is located 200 bytes inside of [ 2.531130] 512-byte region [ffff8801d621ca00, ffff8801d621cc00) [ 2.531132] The buggy address belongs to the page: [ 2.531137] page:ffffea0007588700 count:1 mapcount:0 mapping: (null) index:0x0 compound_mapcount: 0 [ 2.531140] flags: 0x4000000000004080(slab|head) [ 2.531141] page dumped because: kasan: bad access detected [ 2.531142] [ 2.531143] Memory state around the buggy address: [ 2.531147] ffff8801d621c980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 2.531150] ffff8801d621ca00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 2.531153] >ffff8801d621ca80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 2.531154] ^ [ 2.531157] ffff8801d621cb00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 2.531160] ffff8801d621cb80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 2.531161] ================================================================== [ 2.531162] Disabling lock debugging due to kernel taint [ 2.531166] Kernel panic - not syncing: panic_on_warn set ... [ 2.531166] [ 2.531172] CPU: 1 PID: 347 Comm: system Tainted: G B 4.9.162+ #68 [ 2.531178] ffff8801d5cc7920 ffffffff81b483c1 ffff8801d5cc7a00 ffffffff82e3bfb2 [ 2.531183] 00000000ffffffff 0000000000000001 ffffffff8120adac ffff8801d5cc7a00 [ 2.531188] ffffffff813f7e8a 0000000041b58ab3 ffffffff82e2e0da ffffffff813f7cb1 [ 2.531189] Call Trace: [ 2.531193] [] dump_stack+0xc1/0x120 [ 2.531197] [] ? __lock_acquire+0x2f1c/0x4350 [ 2.531203] [] panic+0x1d9/0x3bd [ 2.531207] [] ? add_taint.cold+0x16/0x16 [ 2.531211] [] ? kasan_end_report+0x32/0x4f [ 2.531216] [] kasan_end_report+0x47/0x4f [ 2.531220] [] kasan_report.cold+0xa9/0x2ba [ 2.531224] [] __asan_report_load8_noabort+0x14/0x20 [ 2.531228] [] __lock_acquire+0x2f1c/0x4350 [ 2.531232] [] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 2.531236] [] ? check_preemption_disabled+0x3c/0x200 [ 2.531240] [] ? trace_hardirqs_on+0x10/0x10 [ 2.531244] [] ? cpuacct_charge+0x1f7/0x360 [ 2.531248] [] ? cpuacct_charge+0x85/0x360 [ 2.531252] [] ? pick_next_entity+0x198/0x3f0 [ 2.531256] [] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 2.531260] [] lock_acquire+0x133/0x3d0 [ 2.531264] [] ? ion_heap_deferred_free+0xf9/0x560 [ 2.531269] [] _raw_spin_lock+0x38/0x50 [ 2.531273] [] ? ion_heap_deferred_free+0xf9/0x560 [ 2.531277] [] ion_heap_deferred_free+0xf9/0x560 [ 2.531281] [] ? _raw_spin_unlock_irq+0x28/0x60 [ 2.531286] [] ? ion_heap_shrink_scan+0x1b0/0x1b0 [ 2.531290] [] ? __schedule+0xf7f/0x1b50 [ 2.531294] [] ? ___preempt_schedule+0x16/0x18 [ 2.531298] [] ? __kthread_parkme+0x173/0x240 [ 2.531303] [] ? ion_heap_shrink_scan+0x1b0/0x1b0 [ 2.531306] [] kthread+0x278/0x310 [ 2.531310] [] ? kthread_park+0xa0/0xa0 [ 2.531314] [] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 2.531319] [] ? _raw_spin_unlock_irq+0x39/0x60 [ 2.531323] [] ? finish_task_switch+0x1e5/0x660 [ 2.531327] [] ? finish_task_switch+0x1b7/0x660 [ 2.531332] [] ? __switch_to_asm+0x34/0x70 [ 2.531336] [] ? __switch_to_asm+0x40/0x70 [ 2.531340] [] ? __switch_to_asm+0x34/0x70 [ 2.531343] [] ? kthread_park+0xa0/0xa0 [ 2.531347] [] ? kthread_park+0xa0/0xa0 [ 2.531351] [] ret_from_fork+0x5c/0x70 [ 2.532099] Kernel Offset: disabled [ 2.651156] Rebooting in 86400 seconds..