failed to run ["ssh" "-p" "22" "-i" "/syzkaller/managers/upstream-kasan-gce-386/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-kasan-gce-386/latest.tmp/key" "root@10.128.10.59" "pwd"]: exit status 255 ssh: connect to host 10.128.10.59 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-kasan-gce-386-test-2 port 1 (session ID: ffc8865e26e33cce137a8e451d809e4c3ffd72f9dab8d6f591bbf2747f2d2b52, 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: 0x0000000008cbd2e9 input_len: 0x0000000003545707 output: 0x0000000001000000 output_len: 0x0000000009d82a48 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)) #47 SMP PREEMPT Sun Jan 27 18:15:54 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 a9ad001, primary cpu clock [ 0.000003] kvm-clock: using sched offset of 3547860822 cycles [ 0.000765] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.003000] tsc: Detected 2300.000 MHz processor [ 0.005824] last_pfn = 0x220000 max_arch_pfn = 0x400000000 [ 0.006858] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.007997] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.012773] found SMP MP-table at [mem 0x000f2cc0-0x000f2ccf] mapped at [(____ptrval____)] [ 0.013982] check: Scanning 1 areas for low memory corruption [ 0.014808] Using GB pages for direct mapping [ 0.017447] ACPI: Early table checksum verification disabled [ 0.018355] ACPI: RSDP 0x00000000000F2A90 000014 (v00 Google) [ 0.019140] ACPI: RSDT 0x00000000BFFFDBA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.020308] ACPI: FACP 0x00000000BFFFFF00 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.021525] ACPI: DSDT 0x00000000BFFFDBE0 0017B2 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.022865] ACPI: FACS 0x00000000BFFFFEC0 000040 [ 0.023525] ACPI: FACS 0x00000000BFFFFEC0 000040 [ 0.024173] ACPI: SSDT 0x00000000BFFFF590 000930 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.025395] ACPI: APIC 0x00000000BFFFF4A0 000076 (v01 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.026556] ACPI: WAET 0x00000000BFFFF470 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.027734] ACPI: SRAT 0x00000000BFFFF3A0 0000C8 (v01 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.029541] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.030231] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.030835] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.031665] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.032500] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x21fffffff] [ 0.033421] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.035233] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x21fffffff] -> [mem 0x00000000-0x21fffffff] [ 0.036698] Faking node 0 at [mem 0x0000000000000000-0x000000012fffffff] (4864MB) [ 0.037791] Faking node 1 at [mem 0x0000000130000000-0x000000021fffffff] (3840MB) [ 0.039313] NODE_DATA(0) allocated [mem 0x12fffc000-0x12fffffff] [ 0.041051] NODE_DATA(1) allocated [mem 0x21fff9000-0x21fffcfff] [ 0.092388] Zone ranges: [ 0.092811] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.093671] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.094483] Normal [mem 0x0000000100000000-0x000000021fffffff] [ 0.095323] Movable zone start for each node [ 0.095920] Early memory node ranges [ 0.096414] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.097282] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.098150] node 0: [mem 0x0000000100000000-0x000000012fffffff] [ 0.098988] node 1: [mem 0x0000000130000000-0x000000021fffffff] [ 0.099853] Zeroed struct page in unavailable ranges: 101 pages [ 0.099860] Initmem setup node 0 [mem 0x0000000000001000-0x000000012fffffff] [ 0.188854] Initmem setup node 1 [mem 0x0000000130000000-0x000000021fffffff] [ 0.658533] kasan: KernelAddressSanitizer initialized [ 0.659873] ACPI: PM-Timer IO Port: 0xb008 [ 0.660500] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.661464] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.662482] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.663388] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.664510] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.665462] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.666441] Using ACPI (MADT) for SMP configuration information [ 0.667374] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.668116] PM: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.669055] PM: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.669965] PM: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.670842] PM: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.671706] PM: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.672574] PM: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.673435] PM: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.674299] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.675181] Booting paravirtualized kernel on KVM [ 0.676266] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.677729] random: get_random_bytes called from start_kernel+0x106/0x8b7 with crng_init=0 [ 0.678956] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:2 [ 0.681062] percpu: Embedded 56 pages/cpu @(____ptrval____) s189640 r8192 d31544 u1048576 [ 0.682296] Built 2 zonelists, mobility grouping on. Total pages: 1935238 [ 0.683212] Policy zone: Normal [ 0.683659] 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 [ 1.443320] Memory: 6484672K/7863916K available (116759K kernel code, 14201K rwdata, 18532K rodata, 3216K init, 25080K bss, 1379244K reserved, 0K cma-reserved) [ 1.451327] Running RCU self tests [ 1.451847] rcu: Preemptible hierarchical RCU implementation. [ 1.452796] rcu: RCU lockdep checking is enabled. [ 1.453561] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2. [ 1.454796] rcu: RCU callback double-/use-after-free debug enabled. [ 1.455700] Tasks RCU enabled. [ 1.456133] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.457164] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.465195] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.469343] Console: colour VGA+ 80x25 [ 1.469938] printk: console [ttyS0] enabled [ 1.469938] printk: console [ttyS0] enabled [ 1.471202] printk: bootconsole [earlyser0] disabled [ 1.471202] printk: bootconsole [earlyser0] disabled [ 1.472672] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.473829] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.474441] ... MAX_LOCK_DEPTH: 48 [ 1.475098] ... MAX_LOCKDEP_KEYS: 8191 [ 1.475740] ... CLASSHASH_SIZE: 4096 [ 1.476349] ... MAX_LOCKDEP_ENTRIES: 32768 [ 1.477007] ... MAX_LOCKDEP_CHAINS: 65536 [ 1.477668] ... CHAINHASH_SIZE: 32768 [ 1.478285] memory used by lock dependency info: 7263 kB [ 1.479042] per task-struct memory footprint: 1920 bytes [ 1.480025] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.481648] ACPI: Core revision 20181213 [ 1.482950] APIC: Switch to symmetric I/O mode setup [ 1.484252] x2apic enabled [ 1.499928] Switched APIC routing to physical x2apic. [ 1.507548] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.508557] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 1.510129] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.511319] pid_max: default: 32768 minimum: 301 [ 1.512897] LSM: Security Framework initializing [ 1.520126] Yama: becoming mindful. [ 1.521624] AppArmor: AppArmor initialized [ 1.527355] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes) [ 1.531503] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes) [ 1.532691] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.533740] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.537434] mce: CPU supports 32 MCE banks [ 1.538234] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.539103] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.540093] Spectre V2 : Mitigation: Full generic retpoline [ 1.540117] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 1.541373] Speculative Store Bypass: Vulnerable [ 1.542764] Freeing SMP alternatives memory: 72K [ 1.550105] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.600198] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.620133] rcu: Hierarchical SRCU implementation. [ 1.640367] NMI watchdog: Perf NMI watchdog permanently disabled [ 1.670131] smp: Bringing up secondary CPUs ... [ 1.752290] x86: Booting SMP configuration: [ 1.753136] .... node #0, CPUs: #1 [ 0.033738] kvm-clock: cpu 1, msr a9ad041, secondary cpu clock [ 1.756049] smp: Brought up 2 nodes, 2 CPUs [ 1.756049] smpboot: Max logical packages: 1 [ 1.756049] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.760654] devtmpfs: initialized [ 1.782595] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.790295] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.791640] kworker/u4:0 (24) used greatest stack depth: 25560 bytes left [ 1.792661] xor: automatically using best checksumming function avx [ 1.793755] RTC time: 18:21:01, date: 2019-01-27 [ 1.793755] NET: Registered protocol family 16 [ 1.794566] audit: initializing netlink subsys (disabled) [ 1.800258] audit: type=2000 audit(1548613260.916:1): state=initialized audit_enabled=0 res=1 [ 1.804068] cpuidle: using governor menu [ 1.805697] ACPI: bus type PCI registered [ 1.810846] dca service started, version 1.12.1 [ 1.810846] PCI: Using configuration type 1 for base access [ 1.842402] kworker/u4:1 (149) used greatest stack depth: 24360 bytes left [ 1.966059] kworker/u4:2 (629) used greatest stack depth: 23928 bytes left [ 2.052307] WARNING: workqueue cpumask: online intersect > possible intersect [ 2.052307] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 2.052307] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 2.060392] cryptd: max_cpu_qlen set to 1000 [ 2.230142] raid6: avx2x4 gen() 11935 MB/s [ 2.400154] raid6: avx2x4 xor() 6896 MB/s [ 2.570171] raid6: avx2x2 gen() 6378 MB/s [ 2.740147] raid6: avx2x2 xor() 3476 MB/s [ 2.904254] raid6: avx2x1 gen() 1483 MB/s [ 3.074233] raid6: avx2x1 xor() 2035 MB/s [ 3.244234] raid6: sse2x4 gen() 6255 MB/s [ 3.414238] raid6: sse2x4 xor() 3331 MB/s [ 3.590154] raid6: sse2x2 gen() 3907 MB/s [ 3.754245] raid6: sse2x2 xor() 1861 MB/s [ 3.924265] raid6: sse2x1 gen() 876 MB/s [ 4.094241] raid6: sse2x1 xor() 1044 MB/s [ 4.094901] raid6: using algorithm avx2x4 gen() 11935 MB/s [ 4.095738] raid6: .... xor() 6896 MB/s, rmw enabled [ 4.096507] raid6: using avx2x2 recovery algorithm [ 4.100790] ACPI: Added _OSI(Module Device) [ 4.100790] ACPI: Added _OSI(Processor Device) [ 4.100790] ACPI: Added _OSI(3.0 _SCP Extensions) [ 4.100790] ACPI: Added _OSI(Processor Aggregator Device) [ 4.100960] ACPI: Added _OSI(Linux-Dell-Video) [ 4.101608] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 4.102398] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 4.146270] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 4.216069] ACPI: Interpreter enabled [ 4.216678] ACPI: (supports S0 S3 S4 S5) [ 4.217276] ACPI: Using IOAPIC for interrupt routing [ 4.220161] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 4.221704] ACPI: Enabled 16 GPEs in block 00 to 0F [ 4.291287] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 4.292310] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 4.293522] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 4.301806] PCI host bridge to bus 0000:00 [ 4.301806] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 4.301806] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 4.301806] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 4.302173] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 4.303320] pci_bus 0000:00: root bus resource [bus 00-ff] [ 4.335894] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 4.385299] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 4.388748] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 4.391357] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 4.394360] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 4.396553] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 4.410895] vgaarb: loaded [ 4.410895] SCSI subsystem initialized [ 4.411993] ACPI: bus type USB registered [ 4.412002] usbcore: registered new interface driver usbfs [ 4.413831] usbcore: registered new interface driver hub [ 4.421600] usbcore: registered new device driver usb [ 4.421928] media: Linux media interface: v0.10 [ 4.422979] videodev: Linux video capture interface: v2.00 [ 4.423698] pps_core: LinuxPPS API ver. 1 registered [ 4.423698] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 4.423698] PTP clock support registered [ 4.430642] EDAC MC: Ver: 3.0.0 [ 4.460773] Advanced Linux Sound Architecture Driver Initialized. [ 4.462240] PCI: Using ACPI for IRQ routing [ 4.465700] Bluetooth: Core ver 2.22 [ 4.466394] NET: Registered protocol family 31 [ 4.467152] Bluetooth: HCI device and connection manager initialized [ 4.468118] Bluetooth: HCI socket layer initialized [ 4.468941] Bluetooth: L2CAP socket layer initialized [ 4.470356] Bluetooth: SCO socket layer initialized [ 4.471112] NET: Registered protocol family 8 [ 4.471740] NET: Registered protocol family 20 [ 4.472569] NetLabel: Initializing [ 4.473218] NetLabel: domain hash size = 128 [ 4.473218] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 4.473218] NetLabel: unlabeled traffic allowed by default [ 4.473235] nfc: nfc_init: NFC Core ver 0.1 [ 4.473235] NET: Registered protocol family 39 [ 4.480259] clocksource: Switched to clocksource kvm-clock [ 6.325254] VFS: Disk quotas dquot_6.6.0 [ 6.326156] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 6.328029] FS-Cache: Loaded [ 6.329505] CacheFiles: Loaded [ 6.331593] AppArmor: AppArmor Filesystem Enabled [ 6.332718] pnp: PnP ACPI init [ 6.343368] pnp: PnP ACPI: found 7 devices [ 6.386631] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 6.388912] NET: Registered protocol family 2 [ 6.391515] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 294912 bytes) [ 6.393072] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 6.396548] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes) [ 6.401935] TCP: Hash tables configured (established 65536 bind 65536) [ 6.403291] UDP hash table entries: 4096 (order: 7, 655360 bytes) [ 6.404776] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes) [ 6.406594] NET: Registered protocol family 1 [ 6.408940] RPC: Registered named UNIX socket transport module. [ 6.409785] RPC: Registered udp transport module. [ 6.411478] RPC: Registered tcp transport module. [ 6.412161] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 6.424458] NET: Registered protocol family 44 [ 6.425213] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 6.426724] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 6.427606] software IO TLB: mapped [mem 0xaa600000-0xae600000] (64MB) [ 6.430336] RAPL PMU: API unit is 2^-32 Joules, 3 fixed counters, 10737418240 ms ovfl timer [ 6.431486] RAPL PMU: hw unit of domain pp0-core 2^-0 Joules [ 6.432329] RAPL PMU: hw unit of domain package 2^-0 Joules [ 6.433103] RAPL PMU: hw unit of domain dram 2^-16 Joules [ 6.434351] VPID CAP should not exist if not support 1-setting enable VPID VM-execution control [ 6.437200] kvm: already loaded the other module [ 6.437908] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 6.439537] mce: Machine check injector initialized [ 6.443942] check: Scanning for low memory corruption every 60 seconds [ 6.533833] Initialise system trusted keyrings [ 6.535345] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 6.536606] zbud: loaded [ 6.542067] DLM installed [ 6.543911] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 6.546281] FS-Cache: Netfs 'nfs' registered for caching [ 6.547932] NFS: Registering the id_resolver key type [ 6.548713] Key type id_resolver registered [ 6.549318] Key type id_legacy registered [ 6.549941] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 6.551388] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 6.554342] ntfs: driver 2.1.32 [Flags: R/W]. [ 6.555659] fuse init (API version 7.28) [ 6.557955] JFS: nTxBlock = 8192, nTxLock = 65536 [ 6.566736] SGI XFS with ACLs, security attributes, realtime, no debug enabled [ 6.571736] 9p: Installing v9fs 9p2000 file system support [ 6.572737] FS-Cache: Netfs '9p' registered for caching [ 6.575864] gfs2: GFS2 installed [ 6.579085] FS-Cache: Netfs 'ceph' registered for caching [ 6.579884] ceph: loaded (mds proto 32) [ 6.660295] NET: Registered protocol family 38 [ 6.663397] async_tx: api initialized (async) [ 6.664076] Key type asymmetric registered [ 6.664692] Asymmetric key parser 'x509' registered [ 6.665427] Asymmetric key parser 'pkcs8' registered [ 6.666216] Key type pkcs7_test registered [ 6.666808] Asymmetric key parser 'tpm_parser' registered [ 6.667746] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 246) [ 6.669214] io scheduler mq-deadline registered [ 6.669959] io scheduler kyber registered [ 6.672215] io scheduler bfq registered [ 6.677615] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 6.680958] ACPI: Power Button [PWRF] [ 6.682343] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 6.683669] ACPI: Sleep Button [SLPF] [ 6.688266] ioatdma: Intel(R) QuickData Technology Driver 4.00 [ 6.701359] PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 6.702280] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 6.713898] PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 6.714716] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 6.948370] HDLC line discipline maxframe=4096 [ 6.949289] N_HDLC line discipline registered. [ 6.949936] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 6.974331] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 6.999280] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 7.023980] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 7.048564] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 7.055044] Non-volatile memory driver v1.3 [ 7.056573] Linux agpgart interface v0.103 [ 7.063488] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 7.065067] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 7.066338] [drm] Driver supports precise vblank timestamp query. [ 7.069758] [drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1 [ 7.071813] usbcore: registered new interface driver udl [ 7.086576] ================================================================== [ 7.088785] BUG: KASAN: use-after-free in generic_make_request+0x14dd/0x1810 [ 7.090122] Read of size 2 at addr ffff8880a3fc28d4 by task swapper/0/1 [ 7.090122] [ 7.090122] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.0.0-rc3+ #47 [ 7.090122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 7.090122] Call Trace: [ 7.090122] dump_stack+0x1db/0x2d0 [ 7.090122] ? dump_stack_print_info.cold+0x20/0x20 [ 7.090122] ? generic_make_request+0x14dd/0x1810 [ 7.090122] print_address_description.cold+0x7c/0x20d [ 7.102889] ? generic_make_request+0x14dd/0x1810 [ 7.102889] ? generic_make_request+0x14dd/0x1810 [ 7.102889] kasan_report.cold+0x1b/0x40 [ 7.102889] ? generic_make_request+0x14dd/0x1810 [ 7.102889] __asan_report_load2_noabort+0x14/0x20 [ 7.102889] generic_make_request+0x14dd/0x1810 [ 7.102889] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 7.102889] ? blk_queue_enter+0x1200/0x1200 [ 7.102889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.102889] ? check_preemption_disabled+0x48/0x290 [ 7.102889] ? guard_bio_eod+0x1cc/0x630 [ 7.102889] ? find_held_lock+0x35/0x120 [ 7.102889] ? guard_bio_eod+0x1cc/0x630 [ 7.102889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.102889] submit_bio+0xba/0x480 [ 7.102889] ? submit_bio+0xba/0x480 [ 7.102889] ? rcu_read_unlock_special+0x380/0x380 [ 7.102889] ? generic_make_request+0x1810/0x1810 [ 7.102889] ? __bio_add_page+0x11e/0x280 [ 7.102889] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 7.102889] ? guard_bio_eod+0x293/0x630 [ 7.102889] submit_bh_wbc+0x5f7/0x7f0 [ 7.102889] block_read_full_page+0x946/0xfe0 [ 7.102889] ? check_disk_change+0x140/0x140 [ 7.102889] ? __bread_gfp+0x300/0x300 [ 7.102889] ? __inc_numa_state+0x49/0xe0 [ 7.102889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.102889] ? alloc_page_interleave+0x91/0x1c0 [ 7.102889] ? alloc_pages_current+0x10f/0x210 [ 7.102889] ? __page_cache_alloc+0x19c/0x620 [ 7.102889] ? __filemap_set_wb_err+0x3f0/0x3f0 [ 7.102889] blkdev_readpage+0x1d/0x30 [ 7.102889] do_read_cache_page+0x796/0x16a0 [ 7.102889] ? blkdev_writepages+0x30/0x30 [ 7.102889] ? grab_cache_page_write_begin+0xb0/0xb0 [ 7.102889] ? mark_held_locks+0xb1/0x100 [ 7.102889] ? mark_held_locks+0x100/0x100 [ 7.102889] ? depot_save_stack+0x1de/0x460 [ 7.102889] ? trace_hardirqs_off_caller+0x300/0x300 [ 7.102889] ? do_raw_spin_trylock+0x270/0x270 [ 7.102889] ? __lock_is_held+0xb6/0x140 [ 7.102889] ? add_lock_to_list.isra.0+0x450/0x450 [ 7.102889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.102889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.102889] ? check_preemption_disabled+0x48/0x290 [ 7.102889] ? add_lock_to_list.isra.0+0x450/0x450 [ 7.102889] ? __lock_is_held+0xb6/0x140 [ 7.102889] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 7.102889] ? widen_string+0xe0/0x2e0 [ 7.102889] ? blkdev_writepages+0x30/0x30 [ 7.102889] read_cache_page+0x5e/0x70 [ 7.102889] read_dev_sector+0x12c/0x510 [ 7.102889] ? __delete_partition+0x210/0x210 [ 7.102889] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 7.102889] ? format_decode+0x227/0xb00 [ 7.102889] ? enable_ptr_key_workfn+0x30/0x30 [ 7.102889] ? adfspart_check_ADFS+0x9c0/0x9c0 [ 7.102889] adfspart_check_ICS+0x153/0xfb0 [ 7.102889] ? memcpy+0x46/0x50 [ 7.102889] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 7.102889] ? adfspart_check_ADFS+0x9c0/0x9c0 [ 7.102889] ? pointer+0x930/0x930 [ 7.102889] ? snprintf+0xbb/0xf0 [ 7.102889] ? vsprintf+0x40/0x40 [ 7.102889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.102889] ? adfspart_check_ADFS+0x9c0/0x9c0 [ 7.102889] check_partition+0x3be/0x6d0 [ 7.102889] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 7.102889] rescan_partitions+0x187/0x970 [ 7.102889] ? up_write+0x7b/0x230 [ 7.102889] ? set_init_blocksize+0x1ac/0x260 [ 7.102889] __blkdev_get+0xda1/0x1560 [ 7.102889] ? blkdev_get_block+0xc0/0xc0 [ 7.102889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.102889] blkdev_get+0xc1/0xae0 [ 7.102889] ? unlock_new_inode+0xfa/0x140 [ 7.102889] ? bdget+0xfe/0x600 [ 7.102889] ? bdget+0x600/0x600 [ 7.102889] ? refcount_dec_and_test_checked+0x1b/0x20 [ 7.102889] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 7.102889] ? kobject_put+0x84/0xe0 [ 7.102889] ? put_device+0x25/0x30 [ 7.102889] __device_add_disk+0xe5e/0x13c0 [ 7.102889] ? blk_alloc_devt+0x2e0/0x2e0 [ 7.102889] ? sprintf+0xc0/0x100 [ 7.102889] ? scnprintf+0x140/0x140 [ 7.102889] ? disk_expand_part_tbl+0x3d0/0x3d0 [ 7.102889] ? lockdep_init_map+0x10c/0x5b0 [ 7.102889] device_add_disk+0x2b/0x40 [ 7.102889] brd_init+0x2e9/0x3fa [ 7.102889] ? ramdisk_size+0x2a/0x2a [ 7.102889] ? ramdisk_size+0x2a/0x2a [ 7.102889] ? ramdisk_size+0x2a/0x2a [ 7.102889] do_one_initcall+0x129/0x937 [ 7.102889] ? perf_trace_initcall_level+0x750/0x750 [ 7.102889] ? rcu_read_lock_sched_held+0x110/0x130 [ 7.102889] ? trace_initcall_level+0x2d5/0x321 [ 7.102889] ? arch_local_irq_restore+0x56/0x56 [ 7.102889] ? down_write_nested+0x130/0x130 [ 7.102889] ? down_read+0x120/0x120 [ 7.102889] ? kasan_unpoison_shadow+0x35/0x50 [ 7.102889] kernel_init_freeable+0x4d5/0x5c4 [ 7.102889] ? rest_init+0x37b/0x37b [ 7.102889] kernel_init+0x12/0x1c5 [ 7.102889] ret_from_fork+0x3a/0x50 [ 7.102889] [ 7.102889] Allocated by task 1: [ 7.102889] save_stack+0x45/0xd0 [ 7.102889] __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 7.102889] kasan_slab_alloc+0xf/0x20 [ 7.102889] kmem_cache_alloc+0x12d/0x710 [ 7.102889] mempool_alloc_slab+0x47/0x60 [ 7.102889] mempool_alloc+0x19f/0x500 [ 7.102889] bio_alloc_bioset+0x3c1/0x720 [ 7.102889] submit_bh_wbc+0x133/0x7f0 [ 7.102889] block_read_full_page+0x946/0xfe0 [ 7.102889] blkdev_readpage+0x1d/0x30 [ 7.102889] do_read_cache_page+0x796/0x16a0 [ 7.102889] read_cache_page+0x5e/0x70 [ 7.102889] read_dev_sector+0x12c/0x510 [ 7.102889] adfspart_check_ICS+0x153/0xfb0 [ 7.102889] check_partition+0x3be/0x6d0 [ 7.102889] rescan_partitions+0x187/0x970 [ 7.102889] __blkdev_get+0xda1/0x1560 [ 7.102889] blkdev_get+0xc1/0xae0 [ 7.102889] __device_add_disk+0xe5e/0x13c0 [ 7.102889] device_add_disk+0x2b/0x40 [ 7.102889] brd_init+0x2e9/0x3fa [ 7.102889] do_one_initcall+0x129/0x937 [ 7.102889] kernel_init_freeable+0x4d5/0x5c4 [ 7.102889] kernel_init+0x12/0x1c5 [ 7.102889] ret_from_fork+0x3a/0x50 [ 7.102889] [ 7.102889] Freed by task 1: [ 7.102889] save_stack+0x45/0xd0 [ 7.102889] __kasan_slab_free+0x102/0x150 [ 7.102889] kasan_slab_free+0xe/0x10 [ 7.102889] kmem_cache_free+0x86/0x260 [ 7.102889] mempool_free_slab+0x1e/0x30 [ 7.102889] mempool_free+0xed/0x380 [ 7.102889] bio_free+0x324/0x570 [ 7.102889] bio_put+0x17a/0x1f0 [ 7.102889] end_bio_bh_io_sync+0xfb/0x140 [ 7.102889] bio_endio+0x840/0xfb0 [ 7.102889] brd_make_request+0x686/0x95a [ 7.102889] generic_make_request+0x92b/0x1810 [ 7.102889] submit_bio+0xba/0x480 [ 7.102889] submit_bh_wbc+0x5f7/0x7f0 [ 7.102889] block_read_full_page+0x946/0xfe0 [ 7.102889] blkdev_readpage+0x1d/0x30 [ 7.102889] do_read_cache_page+0x796/0x16a0 [ 7.102889] read_cache_page+0x5e/0x70 [ 7.102889] read_dev_sector+0x12c/0x510 [ 7.102889] adfspart_check_ICS+0x153/0xfb0 [ 7.102889] check_partition+0x3be/0x6d0 [ 7.102889] rescan_partitions+0x187/0x970 [ 7.102889] __blkdev_get+0xda1/0x1560 [ 7.102889] blkdev_get+0xc1/0xae0 [ 7.102889] __device_add_disk+0xe5e/0x13c0 [ 7.102889] device_add_disk+0x2b/0x40 [ 7.102889] brd_init+0x2e9/0x3fa [ 7.102889] do_one_initcall+0x129/0x937 [ 7.102889] kernel_init_freeable+0x4d5/0x5c4 [ 7.102889] kernel_init+0x12/0x1c5 [ 7.102889] ret_from_fork+0x3a/0x50 [ 7.102889] [ 7.102889] The buggy address belongs to the object at ffff8880a3fc28c0 [ 7.102889] which belongs to the cache bio-0 of size 200 [ 7.102889] The buggy address is located 20 bytes inside of [ 7.102889] 200-byte region [ffff8880a3fc28c0, ffff8880a3fc2988) [ 7.102889] The buggy address belongs to the page: [ 7.102889] page:ffffea00028ff080 count:1 mapcount:0 mapping:ffff88821b6fbe40 index:0x0 [ 7.102889] flags: 0x1fffc0000000200(slab) [ 7.102889] raw: 01fffc0000000200 ffffea00028e1488 ffff88812c3cf348 ffff88821b6fbe40 [ 7.102889] raw: 0000000000000000 ffff8880a3fc2000 000000010000000c 0000000000000000 [ 7.102889] page dumped because: kasan: bad access detected [ 7.102889] [ 7.102889] Memory state around the buggy address: [ 7.102889] ffff8880a3fc2780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 7.102889] ffff8880a3fc2800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 7.102889] >ffff8880a3fc2880: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb [ 7.102889] ^ [ 7.102889] ffff8880a3fc2900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 7.102889] ffff8880a3fc2980: fb fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 7.102889] ================================================================== [ 7.102889] Disabling lock debugging due to kernel taint [ 7.250639] Kernel panic - not syncing: panic_on_warn set ... [ 7.251602] CPU: 1 PID: 1 Comm: swapper/0 Tainted: G B 5.0.0-rc3+ #47 [ 7.252898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 7.254409] Call Trace: [ 7.254864] dump_stack+0x1db/0x2d0 [ 7.255525] ? dump_stack_print_info.cold+0x20/0x20 [ 7.256336] panic+0x2cb/0x65c [ 7.256865] ? add_taint.cold+0x16/0x16 [ 7.257450] ? retint_kernel+0x2d/0x2d [ 7.258124] ? trace_hardirqs_on+0xb4/0x310 [ 7.258897] ? generic_make_request+0x14dd/0x1810 [ 7.259630] end_report+0x47/0x4f [ 7.260198] ? generic_make_request+0x14dd/0x1810 [ 7.260372] kasan_report.cold+0xe/0x40 [ 7.260372] ? generic_make_request+0x14dd/0x1810 [ 7.260372] __asan_report_load2_noabort+0x14/0x20 [ 7.260372] generic_make_request+0x14dd/0x1810 [ 7.260372] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 7.260372] ? blk_queue_enter+0x1200/0x1200 [ 7.260372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.260372] ? check_preemption_disabled+0x48/0x290 [ 7.260372] ? guard_bio_eod+0x1cc/0x630 [ 7.260372] ? find_held_lock+0x35/0x120 [ 7.260372] ? guard_bio_eod+0x1cc/0x630 [ 7.260372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.260372] submit_bio+0xba/0x480 [ 7.260372] ? submit_bio+0xba/0x480 [ 7.260372] ? rcu_read_unlock_special+0x380/0x380 [ 7.260372] ? generic_make_request+0x1810/0x1810 [ 7.260372] ? __bio_add_page+0x11e/0x280 [ 7.260372] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 7.260372] ? guard_bio_eod+0x293/0x630 [ 7.260372] submit_bh_wbc+0x5f7/0x7f0 [ 7.260372] block_read_full_page+0x946/0xfe0 [ 7.260372] ? check_disk_change+0x140/0x140 [ 7.260372] ? __bread_gfp+0x300/0x300 [ 7.260372] ? __inc_numa_state+0x49/0xe0 [ 7.260372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.260372] ? alloc_page_interleave+0x91/0x1c0 [ 7.260372] ? alloc_pages_current+0x10f/0x210 [ 7.260372] ? __page_cache_alloc+0x19c/0x620 [ 7.260372] ? __filemap_set_wb_err+0x3f0/0x3f0 [ 7.260372] blkdev_readpage+0x1d/0x30 [ 7.260372] do_read_cache_page+0x796/0x16a0 [ 7.260372] ? blkdev_writepages+0x30/0x30 [ 7.260372] ? grab_cache_page_write_begin+0xb0/0xb0 [ 7.260372] ? mark_held_locks+0xb1/0x100 [ 7.260372] ? mark_held_locks+0x100/0x100 [ 7.260372] ? depot_save_stack+0x1de/0x460 [ 7.260372] ? trace_hardirqs_off_caller+0x300/0x300 [ 7.260372] ? do_raw_spin_trylock+0x270/0x270 [ 7.260372] ? __lock_is_held+0xb6/0x140 [ 7.260372] ? add_lock_to_list.isra.0+0x450/0x450 [ 7.260372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.260372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.260372] ? check_preemption_disabled+0x48/0x290 [ 7.260372] ? add_lock_to_list.isra.0+0x450/0x450 [ 7.260372] ? __lock_is_held+0xb6/0x140 [ 7.260372] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 7.260372] ? widen_string+0xe0/0x2e0 [ 7.260372] ? blkdev_writepages+0x30/0x30 [ 7.260372] read_cache_page+0x5e/0x70 [ 7.260372] read_dev_sector+0x12c/0x510 [ 7.260372] ? __delete_partition+0x210/0x210 [ 7.260372] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 7.260372] ? format_decode+0x227/0xb00 [ 7.260372] ? enable_ptr_key_workfn+0x30/0x30 [ 7.260372] ? adfspart_check_ADFS+0x9c0/0x9c0 [ 7.260372] adfspart_check_ICS+0x153/0xfb0 [ 7.260372] ? memcpy+0x46/0x50 [ 7.260372] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 7.260372] ? adfspart_check_ADFS+0x9c0/0x9c0 [ 7.260372] ? pointer+0x930/0x930 [ 7.260372] ? snprintf+0xbb/0xf0 [ 7.260372] ? vsprintf+0x40/0x40 [ 7.260372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.260372] ? adfspart_check_ADFS+0x9c0/0x9c0 [ 7.260372] check_partition+0x3be/0x6d0 [ 7.260372] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 7.260372] rescan_partitions+0x187/0x970 [ 7.260372] ? up_write+0x7b/0x230 [ 7.260372] ? set_init_blocksize+0x1ac/0x260 [ 7.260372] __blkdev_get+0xda1/0x1560 [ 7.260372] ? blkdev_get_block+0xc0/0xc0 [ 7.260372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.260372] blkdev_get+0xc1/0xae0 [ 7.260372] ? unlock_new_inode+0xfa/0x140 [ 7.260372] ? bdget+0xfe/0x600 [ 7.260372] ? bdget+0x600/0x600 [ 7.260372] ? refcount_dec_and_test_checked+0x1b/0x20 [ 7.260372] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 7.260372] ? kobject_put+0x84/0xe0 [ 7.260372] ? put_device+0x25/0x30 [ 7.260372] __device_add_disk+0xe5e/0x13c0 [ 7.260372] ? blk_alloc_devt+0x2e0/0x2e0 [ 7.260372] ? sprintf+0xc0/0x100 [ 7.260372] ? scnprintf+0x140/0x140 [ 7.260372] ? disk_expand_part_tbl+0x3d0/0x3d0 [ 7.260372] ? lockdep_init_map+0x10c/0x5b0 [ 7.260372] device_add_disk+0x2b/0x40 [ 7.260372] brd_init+0x2e9/0x3fa [ 7.260372] ? ramdisk_size+0x2a/0x2a [ 7.260372] ? ramdisk_size+0x2a/0x2a [ 7.260372] ? ramdisk_size+0x2a/0x2a [ 7.260372] do_one_initcall+0x129/0x937 [ 7.260372] ? perf_trace_initcall_level+0x750/0x750 [ 7.260372] ? rcu_read_lock_sched_held+0x110/0x130 [ 7.260372] ? trace_initcall_level+0x2d5/0x321 [ 7.260372] ? arch_local_irq_restore+0x56/0x56 [ 7.260372] ? down_write_nested+0x130/0x130 [ 7.260372] ? down_read+0x120/0x120 [ 7.260372] ? kasan_unpoison_shadow+0x35/0x50 [ 7.260372] kernel_init_freeable+0x4d5/0x5c4 [ 7.260372] ? rest_init+0x37b/0x37b [ 7.260372] kernel_init+0x12/0x1c5 [ 7.260372] ret_from_fork+0x3a/0x50 [ 7.260372] Kernel Offset: disabled [ 7.260372] Rebooting in 86400 seconds..