failed to run ["ssh" "-p" "22" "-i" "/syzkaller/managers/upstream-net-this-kasan-gce/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/upstream-net-this-kasan-gce/latest.tmp/key" "root@10.128.10.30" "pwd"]: exit status 255 ssh: connect to host 10.128.10.30 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-upstream-net-this-kasan-gce-test-1 port 1 (session ID: 1216b041437881f65b2dec648619ca835f6617288d77c7128e5130849f6a1295, 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 0x000f2a50: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Booting from Hard Disk 0... early console in extract_kernel input_data: 0x0000000008cbb2e9 input_len: 0x000000000354787d output: 0x0000000001000000 output_len: 0x0000000009d83a48 kernel_total_size: 0x000000000b226000 trampoline_32bit: 0x000000000009d000 Decompressing Linux... Parsing ELF... done. Booting the kernel. [ 0.000000] Linux version 5.0.0-rc3+ (syzkaller@ci) (gcc version 9.0.0 20181231 (experimental) (GCC)) #44 SMP PREEMPT Mon Jan 28 19:49:05 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 security=apparmor ima_policy=tcb workqueue.watchdog_thresh=140 kvm-intel.nested=1 nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 vivid.n_devs=16 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=16 rose.rose_ndevs=16 spec_store_bypass_disable=prctl numa=fake=2 nopcid [ 0.000000] KERNEL supported cpus: [ 0.000000] Intel GenuineIntel [ 0.000000] AMD AuthenticAMD [ 0.000000] Centaur CentaurHauls [ 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] 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] printk: bootconsole [earlyser0] enabled [ 0.000000] Malformed early option 'vsyscall' [ 0.000000] nopcid: PCID feature disabled [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.4 present. [ 0.000000] DMI: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 0.000000] Hypervisor detected: KVM [ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000003] kvm-clock: cpu 0, msr a9ae001, primary cpu clock [ 0.000003] kvm-clock: using sched offset of 3421366319 cycles [ 0.000748] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.003149] tsc: Detected 2300.000 MHz processor [ 0.006044] last_pfn = 0x220000 max_arch_pfn = 0x400000000 [ 0.006940] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.007906] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.012370] found SMP MP-table at [mem 0x000f2cc0-0x000f2ccf] mapped at [(____ptrval____)] [ 0.013636] check: Scanning 1 areas for low memory corruption [ 0.014617] Using GB pages for direct mapping [ 0.017412] ACPI: Early table checksum verification disabled [ 0.018556] ACPI: RSDP 0x00000000000F2A90 000014 (v00 Google) [ 0.019339] ACPI: RSDT 0x00000000BFFFDBA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.020519] ACPI: FACP 0x00000000BFFFFF00 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.021658] ACPI: DSDT 0x00000000BFFFDBE0 0017B2 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.022779] ACPI: FACS 0x00000000BFFFFEC0 000040 [ 0.023433] ACPI: FACS 0x00000000BFFFFEC0 000040 [ 0.024103] ACPI: SSDT 0x00000000BFFFF590 000930 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.025357] ACPI: APIC 0x00000000BFFFF4A0 000076 (v01 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.026615] ACPI: WAET 0x00000000BFFFF470 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.027958] ACPI: SRAT 0x00000000BFFFF3A0 0000C8 (v01 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.029696] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.030350] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.031168] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.031957] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.032789] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x21fffffff] [ 0.033603] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.035215] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x21fffffff] -> [mem 0x00000000-0x21fffffff] [ 0.036630] Faking node 0 at [mem 0x0000000000000000-0x000000012fffffff] (4864MB) [ 0.037655] Faking node 1 at [mem 0x0000000130000000-0x000000021fffffff] (3840MB) [ 0.039635] NODE_DATA(0) allocated [mem 0x12fffc000-0x12fffffff] [ 0.041368] NODE_DATA(1) allocated [mem 0x21fff9000-0x21fffcfff] [ 0.091893] Zone ranges: [ 0.092415] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.093492] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.094606] Normal [mem 0x0000000100000000-0x000000021fffffff] [ 0.095737] Movable zone start for each node [ 0.096331] Early memory node ranges [ 0.096844] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.097934] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.099051] node 0: [mem 0x0000000100000000-0x000000012fffffff] [ 0.100046] node 1: [mem 0x0000000130000000-0x000000021fffffff] [ 0.100940] Zeroed struct page in unavailable ranges: 101 pages [ 0.100946] Initmem setup node 0 [mem 0x0000000000001000-0x000000012fffffff] [ 0.182702] Initmem setup node 1 [mem 0x0000000130000000-0x000000021fffffff] [ 0.650419] kasan: KernelAddressSanitizer initialized [ 0.651626] ACPI: PM-Timer IO Port: 0xb008 [ 0.652231] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.653226] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.654210] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.655173] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.656050] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.657031] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.658014] Using ACPI (MADT) for SMP configuration information [ 0.658802] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.659654] PM: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.660639] PM: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.661694] PM: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.662577] PM: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.663439] PM: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.664366] PM: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.665294] PM: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.666150] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.666982] Booting paravirtualized kernel on KVM [ 0.667621] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.669104] random: get_random_bytes called from start_kernel+0x106/0x8b7 with crng_init=0 [ 0.670236] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:2 [ 0.672270] percpu: Embedded 56 pages/cpu @(____ptrval____) s189640 r8192 d31544 u1048576 [ 0.673516] Built 2 zonelists, mobility grouping on. Total pages: 1935238 [ 0.674432] Policy zone: Normal [ 0.674860] 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 security=apparmor ima_policy=tcb workqueue.watchdog_thresh=140 kvm-intel.nested=1 nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 vivid.n_devs=16 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=16 rose.rose_ndevs=16 spec_store_bypass_disable=prctl numa=fake=2 nopcid [ 1.416298] Memory: 6484672K/7863916K available (116759K kernel code, 14201K rwdata, 18532K rodata, 3220K init, 25076K bss, 1379244K reserved, 0K cma-reserved) [ 1.424184] Running RCU self tests [ 1.424751] rcu: Preemptible hierarchical RCU implementation. [ 1.425825] rcu: RCU lockdep checking is enabled. [ 1.426486] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2. [ 1.427465] rcu: RCU callback double-/use-after-free debug enabled. [ 1.428376] Tasks RCU enabled. [ 1.428826] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.429866] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.437814] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.441813] Console: colour VGA+ 80x25 [ 1.442491] printk: console [ttyS0] enabled [ 1.442491] printk: console [ttyS0] enabled [ 1.444048] printk: bootconsole [earlyser0] disabled [ 1.444048] printk: bootconsole [earlyser0] disabled [ 1.445425] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.446740] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.447457] ... MAX_LOCK_DEPTH: 48 [ 1.448088] ... MAX_LOCKDEP_KEYS: 8191 [ 1.448693] ... CLASSHASH_SIZE: 4096 [ 1.449342] ... MAX_LOCKDEP_ENTRIES: 32768 [ 1.450083] ... MAX_LOCKDEP_CHAINS: 65536 [ 1.450747] ... CHAINHASH_SIZE: 32768 [ 1.451633] memory used by lock dependency info: 7263 kB [ 1.452406] per task-struct memory footprint: 1920 bytes [ 1.453488] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.455110] ACPI: Core revision 20181213 [ 1.456386] APIC: Switch to symmetric I/O mode setup [ 1.457624] x2apic enabled [ 1.459115] Switched APIC routing to physical x2apic. [ 1.462808] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.463932] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 1.465513] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.475517] pid_max: default: 32768 minimum: 301 [ 1.477181] LSM: Security Framework initializing [ 1.477953] Yama: becoming mindful. [ 1.479330] AppArmor: AppArmor initialized [ 1.485028] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes) [ 1.488365] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes) [ 1.489914] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.490983] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.496108] mce: CPU supports 32 MCE banks [ 1.496895] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.497769] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.498847] Spectre V2 : Mitigation: Full generic retpoline [ 1.499698] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 1.500955] Speculative Store Bypass: Vulnerable [ 1.502421] Freeing SMP alternatives memory: 72K [ 1.505494] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.555567] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.575517] rcu: Hierarchical SRCU implementation. [ 1.595781] NMI watchdog: Perf NMI watchdog permanently disabled [ 1.625532] smp: Bringing up secondary CPUs ... [ 1.707718] x86: Booting SMP configuration: [ 1.708601] .... node #0, CPUs: #1 [ 0.036525] kvm-clock: cpu 1, msr a9ae041, secondary cpu clock [ 1.711288] smp: Brought up 2 nodes, 2 CPUs [ 1.711288] smpboot: Max logical packages: 1 [ 1.711288] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.716025] devtmpfs: initialized [ 1.727551] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.727551] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.729592] xor: automatically using best checksumming function avx [ 1.731322] RTC time: 19:54:19, date: 2019-01-28 [ 1.736801] NET: Registered protocol family 16 [ 1.740370] audit: initializing netlink subsys (disabled) [ 1.741433] kworker/u4:0 (24) used greatest stack depth: 25560 bytes left [ 1.748030] kworker/u4:0 (40) used greatest stack depth: 25448 bytes left [ 1.748030] audit: type=2000 audit(1548705259.831:1): state=initialized audit_enabled=0 res=1 [ 1.751646] cpuidle: using governor menu [ 1.754027] ACPI: bus type PCI registered [ 1.756408] dca service started, version 1.12.1 [ 1.756683] PCI: Using configuration type 1 for base access [ 1.805865] kworker/u4:2 (177) used greatest stack depth: 23928 bytes left [ 1.835067] kworker/u4:2 (250) used greatest stack depth: 22968 bytes left [ 2.117097] WARNING: workqueue cpumask: online intersect > possible intersect [ 2.126638] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 2.127802] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 2.129754] cryptd: max_cpu_qlen set to 1000 [ 2.295551] raid6: avx2x4 gen() 11127 MB/s [ 2.465516] raid6: avx2x4 xor() 6671 MB/s [ 2.635535] raid6: avx2x2 gen() 6533 MB/s [ 2.805555] raid6: avx2x2 xor() 3672 MB/s [ 2.969756] raid6: avx2x1 gen() 3558 MB/s [ 3.139756] raid6: avx2x1 xor() 1980 MB/s [ 3.309770] raid6: sse2x4 gen() 5722 MB/s [ 3.479779] raid6: sse2x4 xor() 3384 MB/s [ 3.655540] raid6: sse2x2 gen() 3854 MB/s [ 3.819755] raid6: sse2x2 xor() 1884 MB/s [ 3.989780] raid6: sse2x1 gen() 1753 MB/s [ 4.159765] raid6: sse2x1 xor() 1025 MB/s [ 4.160575] raid6: using algorithm avx2x4 gen() 11127 MB/s [ 4.161528] raid6: .... xor() 6671 MB/s, rmw enabled [ 4.162294] raid6: using avx2x2 recovery algorithm [ 4.166199] ACPI: Added _OSI(Module Device) [ 4.166199] ACPI: Added _OSI(Processor Device) [ 4.166199] ACPI: Added _OSI(3.0 _SCP Extensions) [ 4.166273] ACPI: Added _OSI(Processor Aggregator Device) [ 4.167069] ACPI: Added _OSI(Linux-Dell-Video) [ 4.167842] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 4.168665] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 4.212522] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 4.251097] ACPI: Interpreter enabled [ 4.251664] ACPI: (supports S0 S3 S4 S5) [ 4.252299] ACPI: Using IOAPIC for interrupt routing [ 4.255529] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 4.257371] ACPI: Enabled 16 GPEs in block 00 to 0F [ 4.336396] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 4.337438] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 4.338731] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 4.346538] PCI host bridge to bus 0000:00 [ 4.346538] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 4.346647] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 4.347723] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 4.348766] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 4.355589] pci_bus 0000:00: root bus resource [bus 00-ff] [ 4.383023] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 4.435658] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 4.437842] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 4.441008] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 4.444053] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 4.445949] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 4.458920] vgaarb: loaded [ 4.459624] SCSI subsystem initialized [ 4.469000] ACPI: bus type USB registered [ 4.470553] usbcore: registered new interface driver usbfs [ 4.471521] usbcore: registered new interface driver hub [ 4.471521] usbcore: registered new device driver usb [ 4.476363] media: Linux media interface: v0.10 [ 4.476363] videodev: Linux video capture interface: v2.00 [ 4.476363] pps_core: LinuxPPS API ver. 1 registered [ 4.476363] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 4.476617] PTP clock support registered [ 4.477082] EDAC MC: Ver: 3.0.0 [ 4.496179] Advanced Linux Sound Architecture Driver Initialized. [ 4.497796] PCI: Using ACPI for IRQ routing [ 4.501554] Bluetooth: Core ver 2.22 [ 4.502448] NET: Registered protocol family 31 [ 4.503210] Bluetooth: HCI device and connection manager initialized [ 4.504189] Bluetooth: HCI socket layer initialized [ 4.506180] Bluetooth: L2CAP socket layer initialized [ 4.506962] Bluetooth: SCO socket layer initialized [ 4.507717] NET: Registered protocol family 8 [ 4.508398] NET: Registered protocol family 20 [ 4.509289] NetLabel: Initializing [ 4.509899] NetLabel: domain hash size = 128 [ 4.510561] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 4.511637] NetLabel: unlabeled traffic allowed by default [ 4.514600] nfc: nfc_init: NFC Core ver 0.1 [ 4.515817] NET: Registered protocol family 39 [ 4.517545] clocksource: Switched to clocksource kvm-clock [ 6.340358] VFS: Disk quotas dquot_6.6.0 [ 6.341221] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 6.342877] FS-Cache: Loaded [ 6.344427] CacheFiles: Loaded [ 6.346509] AppArmor: AppArmor Filesystem Enabled [ 6.347722] pnp: PnP ACPI init [ 6.359122] pnp: PnP ACPI: found 7 devices [ 6.408942] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 6.411492] NET: Registered protocol family 2 [ 6.414237] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 294912 bytes) [ 6.416179] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 6.420031] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes) [ 6.424778] TCP: Hash tables configured (established 65536 bind 65536) [ 6.426328] UDP hash table entries: 4096 (order: 7, 655360 bytes) [ 6.427710] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes) [ 6.430392] NET: Registered protocol family 1 [ 6.432489] RPC: Registered named UNIX socket transport module. [ 6.433351] RPC: Registered udp transport module. [ 6.434050] RPC: Registered tcp transport module. [ 6.434770] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 6.448243] NET: Registered protocol family 44 [ 6.449080] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 6.450595] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 6.451649] software IO TLB: mapped [mem 0xaa600000-0xae600000] (64MB) [ 6.454746] RAPL PMU: API unit is 2^-32 Joules, 3 fixed counters, 10737418240 ms ovfl timer [ 6.456081] RAPL PMU: hw unit of domain pp0-core 2^-0 Joules [ 6.456868] RAPL PMU: hw unit of domain package 2^-0 Joules [ 6.457691] RAPL PMU: hw unit of domain dram 2^-16 Joules [ 6.459024] VPID CAP should not exist if not support 1-setting enable VPID VM-execution control [ 6.462158] kvm: already loaded the other module [ 6.462935] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 6.464445] mce: Machine check injector initialized [ 6.469071] check: Scanning for low memory corruption every 60 seconds [ 6.573590] Initialise system trusted keyrings [ 6.577519] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 6.579040] zbud: loaded [ 6.583117] DLM installed [ 6.584919] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 6.588527] FS-Cache: Netfs 'nfs' registered for caching [ 6.590286] NFS: Registering the id_resolver key type [ 6.591263] Key type id_resolver registered [ 6.591894] Key type id_legacy registered [ 6.592507] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 6.593660] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 6.597323] ntfs: driver 2.1.32 [Flags: R/W]. [ 6.598785] fuse init (API version 7.28) [ 6.601250] JFS: nTxBlock = 8192, nTxLock = 65536 [ 6.610273] SGI XFS with ACLs, security attributes, realtime, no debug enabled [ 6.614149] 9p: Installing v9fs 9p2000 file system support [ 6.615149] FS-Cache: Netfs '9p' registered for caching [ 6.619606] gfs2: GFS2 installed [ 6.622309] FS-Cache: Netfs 'ceph' registered for caching [ 6.623464] ceph: loaded (mds proto 32) [ 6.711586] NET: Registered protocol family 38 [ 6.714733] async_tx: api initialized (async) [ 6.716069] Key type asymmetric registered [ 6.716716] Asymmetric key parser 'x509' registered [ 6.717507] Asymmetric key parser 'pkcs8' registered [ 6.718381] Key type pkcs7_test registered [ 6.718956] Asymmetric key parser 'tpm_parser' registered [ 6.719832] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 246) [ 6.721556] io scheduler mq-deadline registered [ 6.722358] io scheduler kyber registered [ 6.723314] io scheduler bfq registered [ 6.729174] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 6.736175] ACPI: Power Button [PWRF] [ 6.737738] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 6.739237] ACPI: Sleep Button [SLPF] [ 6.743749] ioatdma: Intel(R) QuickData Technology Driver 4.00 [ 6.755332] PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 6.758210] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 6.770942] PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 6.771806] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 7.050982] HDLC line discipline maxframe=4096 [ 7.051926] N_HDLC line discipline registered. [ 7.052559] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 7.076286] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 7.101771] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 7.126987] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 7.151632] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 7.159346] Non-volatile memory driver v1.3 [ 7.161255] Linux agpgart interface v0.103 [ 7.169916] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 7.171520] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 7.172684] [drm] Driver supports precise vblank timestamp query. [ 7.175966] [drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1 [ 7.177769] usbcore: registered new interface driver udl [ 7.193705] ================================================================== [ 7.195107] BUG: KASAN: use-after-free in generic_make_request+0x14dd/0x1810 [ 7.196777] Read of size 2 at addr ffff8882190f96d4 by task swapper/0/1 [ 7.197833] [ 7.198091] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.0.0-rc3+ #44 [ 7.199173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 7.200578] Call Trace: [ 7.200991] dump_stack+0x1db/0x2d0 [ 7.201555] ? dump_stack_print_info.cold+0x20/0x20 [ 7.202294] ? generic_make_request+0x14dd/0x1810 [ 7.203022] print_address_description.cold+0x7c/0x20d [ 7.203048] ? generic_make_request+0x14dd/0x1810 [ 7.203048] ? generic_make_request+0x14dd/0x1810 [ 7.203048] kasan_report.cold+0x1b/0x40 [ 7.203048] ? generic_make_request+0x14dd/0x1810 [ 7.203048] __asan_report_load2_noabort+0x14/0x20 [ 7.203048] generic_make_request+0x14dd/0x1810 [ 7.203048] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 7.203048] ? blk_queue_enter+0x1200/0x1200 [ 7.203048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.203048] ? check_preemption_disabled+0x48/0x290 [ 7.203048] ? guard_bio_eod+0x1cc/0x630 [ 7.203048] ? find_held_lock+0x35/0x120 [ 7.203048] ? guard_bio_eod+0x1cc/0x630 [ 7.203048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.203048] submit_bio+0xba/0x480 [ 7.203048] ? submit_bio+0xba/0x480 [ 7.203048] ? rcu_read_unlock_special+0x380/0x380 [ 7.203048] ? generic_make_request+0x1810/0x1810 [ 7.203048] ? __bio_add_page+0x11e/0x280 [ 7.203048] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 7.203048] ? guard_bio_eod+0x293/0x630 [ 7.203048] submit_bh_wbc+0x5f7/0x7f0 [ 7.203048] block_read_full_page+0x946/0xfe0 [ 7.203048] ? check_disk_change+0x140/0x140 [ 7.203048] ? __bread_gfp+0x300/0x300 [ 7.203048] ? __inc_numa_state+0x49/0xe0 [ 7.203048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.203048] ? alloc_page_interleave+0x91/0x1c0 [ 7.203048] ? alloc_pages_current+0x10f/0x210 [ 7.203048] ? __page_cache_alloc+0x19c/0x620 [ 7.203048] ? __filemap_set_wb_err+0x3f0/0x3f0 [ 7.203048] blkdev_readpage+0x1d/0x30 [ 7.203048] do_read_cache_page+0x796/0x16a0 [ 7.203048] ? blkdev_writepages+0x30/0x30 [ 7.203048] ? grab_cache_page_write_begin+0xb0/0xb0 [ 7.203048] ? mark_held_locks+0xb1/0x100 [ 7.203048] ? mark_held_locks+0x100/0x100 [ 7.203048] ? depot_save_stack+0x1de/0x460 [ 7.203048] ? trace_hardirqs_off_caller+0x300/0x300 [ 7.203048] ? do_raw_spin_trylock+0x270/0x270 [ 7.203048] ? __lock_is_held+0xb6/0x140 [ 7.203048] ? add_lock_to_list.isra.0+0x450/0x450 [ 7.203048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.203048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.203048] ? check_preemption_disabled+0x48/0x290 [ 7.203048] ? add_lock_to_list.isra.0+0x450/0x450 [ 7.203048] ? __lock_is_held+0xb6/0x140 [ 7.203048] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 7.203048] ? widen_string+0xe0/0x2e0 [ 7.203048] ? blkdev_writepages+0x30/0x30 [ 7.203048] read_cache_page+0x5e/0x70 [ 7.203048] read_dev_sector+0x12c/0x510 [ 7.203048] ? __delete_partition+0x210/0x210 [ 7.203048] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 7.203048] ? format_decode+0x227/0xb00 [ 7.203048] ? enable_ptr_key_workfn+0x30/0x30 [ 7.203048] ? adfspart_check_ADFS+0x9c0/0x9c0 [ 7.203048] adfspart_check_ICS+0x153/0xfb0 [ 7.203048] ? memcpy+0x46/0x50 [ 7.203048] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 7.203048] ? adfspart_check_ADFS+0x9c0/0x9c0 [ 7.203048] ? pointer+0x930/0x930 [ 7.203048] ? snprintf+0xbb/0xf0 [ 7.203048] ? vsprintf+0x40/0x40 [ 7.203048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.203048] ? adfspart_check_ADFS+0x9c0/0x9c0 [ 7.203048] check_partition+0x3be/0x6d0 [ 7.203048] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 7.203048] rescan_partitions+0x187/0x970 [ 7.203048] ? up_write+0x7b/0x230 [ 7.203048] ? set_init_blocksize+0x1ac/0x260 [ 7.203048] __blkdev_get+0xda1/0x1560 [ 7.203048] ? blkdev_get_block+0xc0/0xc0 [ 7.203048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.203048] blkdev_get+0xc1/0xae0 [ 7.203048] ? unlock_new_inode+0xfa/0x140 [ 7.203048] ? bdget+0xfe/0x600 [ 7.203048] ? bdget+0x600/0x600 [ 7.203048] ? refcount_dec_and_test_checked+0x1b/0x20 [ 7.203048] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 7.203048] ? kobject_put+0x84/0xe0 [ 7.203048] ? put_device+0x25/0x30 [ 7.203048] __device_add_disk+0xe5e/0x13c0 [ 7.203048] ? blk_alloc_devt+0x2e0/0x2e0 [ 7.203048] ? sprintf+0xc0/0x100 [ 7.203048] ? scnprintf+0x140/0x140 [ 7.203048] ? disk_expand_part_tbl+0x3d0/0x3d0 [ 7.203048] ? lockdep_init_map+0x10c/0x5b0 [ 7.203048] device_add_disk+0x2b/0x40 [ 7.203048] brd_init+0x2e9/0x3fa [ 7.203048] ? ramdisk_size+0x2a/0x2a [ 7.203048] ? ramdisk_size+0x2a/0x2a [ 7.203048] ? ramdisk_size+0x2a/0x2a [ 7.203048] do_one_initcall+0x129/0x937 [ 7.203048] ? perf_trace_initcall_level+0x750/0x750 [ 7.203048] ? rcu_read_lock_sched_held+0x110/0x130 [ 7.203048] ? trace_initcall_level+0x2d5/0x321 [ 7.203048] ? arch_local_irq_restore+0x56/0x56 [ 7.203048] ? down_write_nested+0x130/0x130 [ 7.203048] ? down_read+0x120/0x120 [ 7.203048] ? kasan_unpoison_shadow+0x35/0x50 [ 7.203048] kernel_init_freeable+0x4d5/0x5c4 [ 7.203048] ? rest_init+0x37b/0x37b [ 7.203048] kernel_init+0x12/0x1c5 [ 7.203048] ret_from_fork+0x3a/0x50 [ 7.203048] [ 7.203048] Allocated by task 1: [ 7.203048] save_stack+0x45/0xd0 [ 7.203048] __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 7.203048] kasan_slab_alloc+0xf/0x20 [ 7.203048] kmem_cache_alloc+0x12d/0x710 [ 7.203048] mempool_alloc_slab+0x47/0x60 [ 7.203048] mempool_alloc+0x19f/0x500 [ 7.203048] bio_alloc_bioset+0x3c1/0x720 [ 7.203048] submit_bh_wbc+0x133/0x7f0 [ 7.203048] block_read_full_page+0x946/0xfe0 [ 7.203048] blkdev_readpage+0x1d/0x30 [ 7.203048] do_read_cache_page+0x796/0x16a0 [ 7.203048] read_cache_page+0x5e/0x70 [ 7.203048] read_dev_sector+0x12c/0x510 [ 7.203048] adfspart_check_ICS+0x153/0xfb0 [ 7.203048] check_partition+0x3be/0x6d0 [ 7.203048] rescan_partitions+0x187/0x970 [ 7.203048] __blkdev_get+0xda1/0x1560 [ 7.203048] blkdev_get+0xc1/0xae0 [ 7.203048] __device_add_disk+0xe5e/0x13c0 [ 7.203048] device_add_disk+0x2b/0x40 [ 7.203048] brd_init+0x2e9/0x3fa [ 7.203048] do_one_initcall+0x129/0x937 [ 7.203048] kernel_init_freeable+0x4d5/0x5c4 [ 7.203048] kernel_init+0x12/0x1c5 [ 7.203048] ret_from_fork+0x3a/0x50 [ 7.203048] [ 7.203048] Freed by task 1: [ 7.203048] save_stack+0x45/0xd0 [ 7.203048] __kasan_slab_free+0x102/0x150 [ 7.203048] kasan_slab_free+0xe/0x10 [ 7.203048] kmem_cache_free+0x86/0x260 [ 7.203048] mempool_free_slab+0x1e/0x30 [ 7.203048] mempool_free+0xed/0x380 [ 7.203048] bio_free+0x324/0x570 [ 7.203048] bio_put+0x17a/0x1f0 [ 7.203048] end_bio_bh_io_sync+0xfb/0x140 [ 7.203048] bio_endio+0x840/0xfb0 [ 7.203048] brd_make_request+0x686/0x95a [ 7.203048] generic_make_request+0x92b/0x1810 [ 7.203048] submit_bio+0xba/0x480 [ 7.203048] submit_bh_wbc+0x5f7/0x7f0 [ 7.203048] block_read_full_page+0x946/0xfe0 [ 7.203048] blkdev_readpage+0x1d/0x30 [ 7.203048] do_read_cache_page+0x796/0x16a0 [ 7.203048] read_cache_page+0x5e/0x70 [ 7.203048] read_dev_sector+0x12c/0x510 [ 7.203048] adfspart_check_ICS+0x153/0xfb0 [ 7.203048] check_partition+0x3be/0x6d0 [ 7.203048] rescan_partitions+0x187/0x970 [ 7.203048] __blkdev_get+0xda1/0x1560 [ 7.203048] blkdev_get+0xc1/0xae0 [ 7.203048] __device_add_disk+0xe5e/0x13c0 [ 7.203048] device_add_disk+0x2b/0x40 [ 7.203048] brd_init+0x2e9/0x3fa [ 7.203048] do_one_initcall+0x129/0x937 [ 7.203048] kernel_init_freeable+0x4d5/0x5c4 [ 7.203048] kernel_init+0x12/0x1c5 [ 7.203048] ret_from_fork+0x3a/0x50 [ 7.203048] [ 7.203048] The buggy address belongs to the object at ffff8882190f96c0 [ 7.203048] which belongs to the cache bio-0 of size 200 [ 7.203048] The buggy address is located 20 bytes inside of [ 7.203048] 200-byte region [ffff8882190f96c0, ffff8882190f9788) [ 7.203048] The buggy address belongs to the page: [ 7.203048] page:ffffea0008643e40 count:1 mapcount:0 mapping:ffff88821b07e480 index:0xffff8882190f9e40 [ 7.203048] flags: 0x6fffc0000000200(slab) [ 7.203048] raw: 06fffc0000000200 ffff88821b07f438 ffff88821b07f438 ffff88821b07e480 [ 7.203048] raw: ffff8882190f9e40 ffff8882190f9080 0000000100000006 0000000000000000 [ 7.203048] page dumped because: kasan: bad access detected [ 7.203048] [ 7.203048] Memory state around the buggy address: [ 7.203048] ffff8882190f9580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 7.203048] ffff8882190f9600: fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc [ 7.203048] >ffff8882190f9680: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb [ 7.203048] ^ [ 7.203048] ffff8882190f9700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 7.203048] ffff8882190f9780: fb fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 7.203048] ================================================================== [ 7.203048] Disabling lock debugging due to kernel taint [ 7.330972] Kernel panic - not syncing: panic_on_warn set ... [ 7.331764] CPU: 1 PID: 1 Comm: swapper/0 Tainted: G B 5.0.0-rc3+ #44 [ 7.332919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 7.334299] Call Trace: [ 7.334717] dump_stack+0x1db/0x2d0 [ 7.335343] ? dump_stack_print_info.cold+0x20/0x20 [ 7.336262] panic+0x2cb/0x65c [ 7.336722] ? add_taint.cold+0x16/0x16 [ 7.337322] ? retint_kernel+0x2d/0x2d [ 7.337981] ? trace_hardirqs_on+0xb4/0x310 [ 7.338720] ? generic_make_request+0x14dd/0x1810 [ 7.339489] end_report+0x47/0x4f [ 7.340007] ? generic_make_request+0x14dd/0x1810 [ 7.340779] kasan_report.cold+0xe/0x40 [ 7.340779] ? generic_make_request+0x14dd/0x1810 [ 7.340779] __asan_report_load2_noabort+0x14/0x20 [ 7.340779] generic_make_request+0x14dd/0x1810 [ 7.340779] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 7.340779] ? blk_queue_enter+0x1200/0x1200 [ 7.340779] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.340779] ? check_preemption_disabled+0x48/0x290 [ 7.340779] ? guard_bio_eod+0x1cc/0x630 [ 7.340779] ? find_held_lock+0x35/0x120 [ 7.340779] ? guard_bio_eod+0x1cc/0x630 [ 7.340779] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.340779] submit_bio+0xba/0x480 [ 7.340779] ? submit_bio+0xba/0x480 [ 7.340779] ? rcu_read_unlock_special+0x380/0x380 [ 7.340779] ? generic_make_request+0x1810/0x1810 [ 7.340779] ? __bio_add_page+0x11e/0x280 [ 7.340779] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 7.340779] ? guard_bio_eod+0x293/0x630 [ 7.340779] submit_bh_wbc+0x5f7/0x7f0 [ 7.340779] block_read_full_page+0x946/0xfe0 [ 7.340779] ? check_disk_change+0x140/0x140 [ 7.340779] ? __bread_gfp+0x300/0x300 [ 7.340779] ? __inc_numa_state+0x49/0xe0 [ 7.340779] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.340779] ? alloc_page_interleave+0x91/0x1c0 [ 7.340779] ? alloc_pages_current+0x10f/0x210 [ 7.340779] ? __page_cache_alloc+0x19c/0x620 [ 7.340779] ? __filemap_set_wb_err+0x3f0/0x3f0 [ 7.340779] blkdev_readpage+0x1d/0x30 [ 7.340779] do_read_cache_page+0x796/0x16a0 [ 7.340779] ? blkdev_writepages+0x30/0x30 [ 7.340779] ? grab_cache_page_write_begin+0xb0/0xb0 [ 7.340779] ? mark_held_locks+0xb1/0x100 [ 7.340779] ? mark_held_locks+0x100/0x100 [ 7.340779] ? depot_save_stack+0x1de/0x460 [ 7.340779] ? trace_hardirqs_off_caller+0x300/0x300 [ 7.340779] ? do_raw_spin_trylock+0x270/0x270 [ 7.340779] ? __lock_is_held+0xb6/0x140 [ 7.340779] ? add_lock_to_list.isra.0+0x450/0x450 [ 7.340779] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.340779] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.340779] ? check_preemption_disabled+0x48/0x290 [ 7.340779] ? add_lock_to_list.isra.0+0x450/0x450 [ 7.340779] ? __lock_is_held+0xb6/0x140 [ 7.340779] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 7.340779] ? widen_string+0xe0/0x2e0 [ 7.340779] ? blkdev_writepages+0x30/0x30 [ 7.340779] read_cache_page+0x5e/0x70 [ 7.340779] read_dev_sector+0x12c/0x510 [ 7.340779] ? __delete_partition+0x210/0x210 [ 7.340779] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 7.340779] ? format_decode+0x227/0xb00 [ 7.340779] ? enable_ptr_key_workfn+0x30/0x30 [ 7.340779] ? adfspart_check_ADFS+0x9c0/0x9c0 [ 7.340779] adfspart_check_ICS+0x153/0xfb0 [ 7.340779] ? memcpy+0x46/0x50 [ 7.340779] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 7.340779] ? adfspart_check_ADFS+0x9c0/0x9c0 [ 7.340779] ? pointer+0x930/0x930 [ 7.340779] ? snprintf+0xbb/0xf0 [ 7.340779] ? vsprintf+0x40/0x40 [ 7.340779] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.340779] ? adfspart_check_ADFS+0x9c0/0x9c0 [ 7.340779] check_partition+0x3be/0x6d0 [ 7.340779] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 7.340779] rescan_partitions+0x187/0x970 [ 7.340779] ? up_write+0x7b/0x230 [ 7.340779] ? set_init_blocksize+0x1ac/0x260 [ 7.340779] __blkdev_get+0xda1/0x1560 [ 7.340779] ? blkdev_get_block+0xc0/0xc0 [ 7.340779] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.340779] blkdev_get+0xc1/0xae0 [ 7.340779] ? unlock_new_inode+0xfa/0x140 [ 7.340779] ? bdget+0xfe/0x600 [ 7.340779] ? bdget+0x600/0x600 [ 7.340779] ? refcount_dec_and_test_checked+0x1b/0x20 [ 7.340779] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 7.340779] ? kobject_put+0x84/0xe0 [ 7.340779] ? put_device+0x25/0x30 [ 7.340779] __device_add_disk+0xe5e/0x13c0 [ 7.340779] ? blk_alloc_devt+0x2e0/0x2e0 [ 7.340779] ? sprintf+0xc0/0x100 [ 7.340779] ? scnprintf+0x140/0x140 [ 7.340779] ? disk_expand_part_tbl+0x3d0/0x3d0 [ 7.340779] ? lockdep_init_map+0x10c/0x5b0 [ 7.340779] device_add_disk+0x2b/0x40 [ 7.340779] brd_init+0x2e9/0x3fa [ 7.340779] ? ramdisk_size+0x2a/0x2a [ 7.340779] ? ramdisk_size+0x2a/0x2a [ 7.340779] ? ramdisk_size+0x2a/0x2a [ 7.340779] do_one_initcall+0x129/0x937 [ 7.340779] ? perf_trace_initcall_level+0x750/0x750 [ 7.340779] ? rcu_read_lock_sched_held+0x110/0x130 [ 7.340779] ? trace_initcall_level+0x2d5/0x321 [ 7.340779] ? arch_local_irq_restore+0x56/0x56 [ 7.340779] ? down_write_nested+0x130/0x130 [ 7.340779] ? down_read+0x120/0x120 [ 7.340779] ? kasan_unpoison_shadow+0x35/0x50 [ 7.340779] kernel_init_freeable+0x4d5/0x5c4 [ 7.340779] ? rest_init+0x37b/0x37b [ 7.340779] kernel_init+0x12/0x1c5 [ 7.340779] ret_from_fork+0x3a/0x50 [ 7.340779] Kernel Offset: disabled [ 7.340779] Rebooting in 86400 seconds..