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@10.128.10.63" "pwd"]: exit status 255 ssh: connect to host 10.128.10.63 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: 0d9537e641bf8bdc577d24940f2f9db248fcd0565e2a28a52656bd95b461ab0b, 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: 0x0000000008cbe2e9 input_len: 0x00000000035450e7 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)) #42 SMP PREEMPT Mon Jan 28 09:22:16 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 [ 0.000004] kvm-clock: cpu 0, msr a9ae001, primary cpu clock [ 0.000004] kvm-clock: using sched offset of 5052631892 cycles [ 0.000784] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.002942] tsc: Detected 2300.000 MHz processor [ 0.005734] last_pfn = 0x220000 max_arch_pfn = 0x400000000 [ 0.006640] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.007668] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.012586] found SMP MP-table at [mem 0x000f2cc0-0x000f2ccf] mapped at [(____ptrval____)] [ 0.013761] check: Scanning 1 areas for low memory corruption [ 0.014553] Using GB pages for direct mapping [ 0.017102] ACPI: Early table checksum verification disabled [ 0.018098] ACPI: RSDP 0x00000000000F2A90 000014 (v00 Google) [ 0.018882] ACPI: RSDT 0x00000000BFFFDBA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.020043] ACPI: FACP 0x00000000BFFFFF00 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.021229] ACPI: DSDT 0x00000000BFFFDBE0 0017B2 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.022615] ACPI: FACS 0x00000000BFFFFEC0 000040 [ 0.023236] ACPI: FACS 0x00000000BFFFFEC0 000040 [ 0.023897] ACPI: SSDT 0x00000000BFFFF590 000930 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.025085] ACPI: APIC 0x00000000BFFFF4A0 000076 (v01 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.026360] ACPI: WAET 0x00000000BFFFF470 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.027482] ACPI: SRAT 0x00000000BFFFF3A0 0000C8 (v01 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.029081] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.029688] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.030298] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.031087] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.031942] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x21fffffff] [ 0.032773] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.034209] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x21fffffff] -> [mem 0x00000000-0x21fffffff] [ 0.035639] Faking node 0 at [mem 0x0000000000000000-0x000000012fffffff] (4864MB) [ 0.036629] Faking node 1 at [mem 0x0000000130000000-0x000000021fffffff] (3840MB) [ 0.038087] NODE_DATA(0) allocated [mem 0x12fffc000-0x12fffffff] [ 0.039634] NODE_DATA(1) allocated [mem 0x21fff9000-0x21fffcfff] [ 0.092076] Zone ranges: [ 0.092659] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.093735] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.094597] Normal [mem 0x0000000100000000-0x000000021fffffff] [ 0.095429] Movable zone start for each node [ 0.096021] Early memory node ranges [ 0.096583] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.097499] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.098325] node 0: [mem 0x0000000100000000-0x000000012fffffff] [ 0.099214] node 1: [mem 0x0000000130000000-0x000000021fffffff] [ 0.100097] Zeroed struct page in unavailable ranges: 101 pages [ 0.100104] Initmem setup node 0 [mem 0x0000000000001000-0x000000012fffffff] [ 0.189409] Initmem setup node 1 [mem 0x0000000130000000-0x000000021fffffff] [ 0.677168] kasan: KernelAddressSanitizer initialized [ 0.678510] ACPI: PM-Timer IO Port: 0xb008 [ 0.679117] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.679997] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.680912] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.682196] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.683145] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.684090] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.685045] Using ACPI (MADT) for SMP configuration information [ 0.685826] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.686661] PM: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.687532] PM: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.688483] PM: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.689383] PM: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.690254] PM: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.691154] PM: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.692035] PM: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.692918] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.693768] Booting paravirtualized kernel on KVM [ 0.694423] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.695895] random: get_random_bytes called from start_kernel+0x106/0x8b7 with crng_init=0 [ 0.697122] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:2 [ 0.699127] percpu: Embedded 56 pages/cpu @(____ptrval____) s189640 r8192 d31544 u1048576 [ 0.700393] Built 2 zonelists, mobility grouping on. Total pages: 1935238 [ 0.701328] Policy zone: Normal [ 0.701760] 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 [ 1.417251] Memory: 6484672K/7863916K available (116759K kernel code, 14201K rwdata, 18532K rodata, 3220K init, 25076K bss, 1379244K reserved, 0K cma-reserved) [ 1.425053] Running RCU self tests [ 1.425531] rcu: Preemptible hierarchical RCU implementation. [ 1.426302] rcu: RCU lockdep checking is enabled. [ 1.427025] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2. [ 1.427910] rcu: RCU callback double-/use-after-free debug enabled. [ 1.428806] Tasks RCU enabled. [ 1.429228] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.430272] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.438406] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.442555] Console: colour VGA+ 80x25 [ 1.443169] printk: console [ttyS0] enabled [ 1.443169] printk: console [ttyS0] enabled [ 1.444338] printk: bootconsole [earlyser0] disabled [ 1.444338] printk: bootconsole [earlyser0] disabled [ 1.445705] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.446858] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.447487] ... MAX_LOCK_DEPTH: 48 [ 1.448111] ... MAX_LOCKDEP_KEYS: 8191 [ 1.448722] ... CLASSHASH_SIZE: 4096 [ 1.449348] ... MAX_LOCKDEP_ENTRIES: 32768 [ 1.450025] ... MAX_LOCKDEP_CHAINS: 65536 [ 1.450665] ... CHAINHASH_SIZE: 32768 [ 1.451334] memory used by lock dependency info: 7263 kB [ 1.452114] per task-struct memory footprint: 1920 bytes [ 1.453052] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.454859] ACPI: Core revision 20181213 [ 1.456230] APIC: Switch to symmetric I/O mode setup [ 1.457656] x2apic enabled [ 1.459769] Switched APIC routing to physical x2apic. [ 1.463843] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.464782] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 1.466323] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.467630] pid_max: default: 32768 minimum: 301 [ 1.469319] LSM: Security Framework initializing [ 1.470045] Yama: becoming mindful. [ 1.471577] AppArmor: AppArmor initialized [ 1.477559] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes) [ 1.481266] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes) [ 1.482505] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.483707] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.487603] mce: CPU supports 32 MCE banks [ 1.488497] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.489568] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.490583] Spectre V2 : Mitigation: Full generic retpoline [ 1.491408] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 1.492636] Speculative Store Bypass: Vulnerable [ 1.494059] Freeing SMP alternatives memory: 72K [ 1.506301] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.556391] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.576333] rcu: Hierarchical SRCU implementation. [ 1.596608] NMI watchdog: Perf NMI watchdog permanently disabled [ 1.626330] smp: Bringing up secondary CPUs ... [ 1.708501] x86: Booting SMP configuration: [ 1.709386] .... node #0, CPUs: #1 [ 0.026669] kvm-clock: cpu 1, msr a9ae041, secondary cpu clock [ 1.712559] smp: Brought up 2 nodes, 2 CPUs [ 1.712559] smpboot: Max logical packages: 1 [ 1.712559] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.716815] devtmpfs: initialized [ 1.728298] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.728298] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.730220] xor: automatically using best checksumming function avx [ 1.731742] RTC time: 09:27:44, date: 2019-01-28 [ 1.737607] NET: Registered protocol family 16 [ 1.741227] audit: initializing netlink subsys (disabled) [ 1.742009] kworker/u4:0 (25) used greatest stack depth: 25560 bytes left [ 1.747594] kworker/u4:2 (38) used greatest stack depth: 24424 bytes left [ 1.750182] audit: type=2000 audit(1548667664.565:1): state=initialized audit_enabled=0 res=1 [ 1.751952] cpuidle: using governor menu [ 1.753021] ACPI: bus type PCI registered [ 1.756804] dca service started, version 1.12.1 [ 1.756804] PCI: Using configuration type 1 for base access [ 1.895393] kworker/u4:2 (463) used greatest stack depth: 23928 bytes left [ 2.081388] WARNING: workqueue cpumask: online intersect > possible intersect [ 2.081388] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 2.081388] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 2.087612] cryptd: max_cpu_qlen set to 1000 [ 2.256325] raid6: avx2x4 gen() 11844 MB/s [ 2.426342] raid6: avx2x4 xor() 6498 MB/s [ 2.596327] raid6: avx2x2 gen() 6712 MB/s [ 2.766362] raid6: avx2x2 xor() 3464 MB/s [ 2.930161] raid6: avx2x1 gen() 1323 MB/s [ 3.100130] raid6: avx2x1 xor() 2036 MB/s [ 3.270128] raid6: sse2x4 gen() 6264 MB/s [ 3.440119] raid6: sse2x4 xor() 3351 MB/s [ 3.616343] raid6: sse2x2 gen() 3921 MB/s [ 3.780119] raid6: sse2x2 xor() 1864 MB/s [ 3.950206] raid6: sse2x1 gen() 823 MB/s [ 4.120134] raid6: sse2x1 xor() 1027 MB/s [ 4.120869] raid6: using algorithm avx2x4 gen() 11844 MB/s [ 4.121658] raid6: .... xor() 6498 MB/s, rmw enabled [ 4.122405] raid6: using avx2x2 recovery algorithm [ 4.127007] ACPI: Added _OSI(Module Device) [ 4.127007] ACPI: Added _OSI(Processor Device) [ 4.127007] ACPI: Added _OSI(3.0 _SCP Extensions) [ 4.127007] ACPI: Added _OSI(Processor Aggregator Device) [ 4.127289] ACPI: Added _OSI(Linux-Dell-Video) [ 4.128003] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 4.128768] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 4.172992] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 4.222577] ACPI: Interpreter enabled [ 4.222651] ACPI: (supports S0 S3 S4 S5) [ 4.223237] ACPI: Using IOAPIC for interrupt routing [ 4.226360] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 4.227857] ACPI: Enabled 16 GPEs in block 00 to 0F [ 4.302083] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 4.303081] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 4.304366] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 4.309918] PCI host bridge to bus 0000:00 [ 4.310731] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 4.311721] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 4.312654] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 4.313751] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 4.314870] pci_bus 0000:00: root bus resource [bus 00-ff] [ 4.345697] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 4.400523] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 4.404274] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 4.407366] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 4.410330] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 4.412442] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 4.427207] vgaarb: loaded [ 4.427568] SCSI subsystem initialized [ 4.428222] ACPI: bus type USB registered [ 4.428222] usbcore: registered new interface driver usbfs [ 4.429244] usbcore: registered new interface driver hub [ 4.437431] usbcore: registered new device driver usb [ 4.440091] media: Linux media interface: v0.10 [ 4.441270] videodev: Linux video capture interface: v2.00 [ 4.442192] pps_core: LinuxPPS API ver. 1 registered [ 4.442192] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 4.446310] PTP clock support registered [ 4.446996] EDAC MC: Ver: 3.0.0 [ 4.486961] Advanced Linux Sound Architecture Driver Initialized. [ 4.488474] PCI: Using ACPI for IRQ routing [ 4.492119] Bluetooth: Core ver 2.22 [ 4.492801] NET: Registered protocol family 31 [ 4.493707] Bluetooth: HCI device and connection manager initialized [ 4.494641] Bluetooth: HCI socket layer initialized [ 4.495409] Bluetooth: L2CAP socket layer initialized [ 4.496497] Bluetooth: SCO socket layer initialized [ 4.497242] NET: Registered protocol family 8 [ 4.497876] NET: Registered protocol family 20 [ 4.498745] NetLabel: Initializing [ 4.499366] NetLabel: domain hash size = 128 [ 4.499366] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 4.499366] NetLabel: unlabeled traffic allowed by default [ 4.499384] nfc: nfc_init: NFC Core ver 0.1 [ 4.499384] NET: Registered protocol family 39 [ 4.508282] clocksource: Switched to clocksource kvm-clock [ 6.358081] VFS: Disk quotas dquot_6.6.0 [ 6.358909] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 6.360529] FS-Cache: Loaded [ 6.361878] CacheFiles: Loaded [ 6.363925] AppArmor: AppArmor Filesystem Enabled [ 6.365127] pnp: PnP ACPI init [ 6.376246] pnp: PnP ACPI: found 7 devices [ 6.422187] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 6.424596] NET: Registered protocol family 2 [ 6.429073] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 294912 bytes) [ 6.430757] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 6.434247] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes) [ 6.439979] TCP: Hash tables configured (established 65536 bind 65536) [ 6.441372] UDP hash table entries: 4096 (order: 7, 655360 bytes) [ 6.443618] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes) [ 6.445783] NET: Registered protocol family 1 [ 6.447946] RPC: Registered named UNIX socket transport module. [ 6.448902] RPC: Registered udp transport module. [ 6.449560] RPC: Registered tcp transport module. [ 6.450251] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 6.462406] NET: Registered protocol family 44 [ 6.463073] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 6.464679] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 6.465639] software IO TLB: mapped [mem 0xaa600000-0xae600000] (64MB) [ 6.468720] RAPL PMU: API unit is 2^-32 Joules, 3 fixed counters, 10737418240 ms ovfl timer [ 6.469923] RAPL PMU: hw unit of domain pp0-core 2^-0 Joules [ 6.470756] RAPL PMU: hw unit of domain package 2^-0 Joules [ 6.471592] RAPL PMU: hw unit of domain dram 2^-16 Joules [ 6.472810] VPID CAP should not exist if not support 1-setting enable VPID VM-execution control [ 6.475665] kvm: already loaded the other module [ 6.476698] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 6.478369] mce: Machine check injector initialized [ 6.482570] check: Scanning for low memory corruption every 60 seconds [ 6.573302] Initialise system trusted keyrings [ 6.575603] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 6.578362] zbud: loaded [ 6.583190] DLM installed [ 6.585159] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 6.588361] FS-Cache: Netfs 'nfs' registered for caching [ 6.590287] NFS: Registering the id_resolver key type [ 6.591094] Key type id_resolver registered [ 6.591775] Key type id_legacy registered [ 6.592449] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 6.593555] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 6.596014] ntfs: driver 2.1.32 [Flags: R/W]. [ 6.598732] fuse init (API version 7.28) [ 6.601184] JFS: nTxBlock = 8192, nTxLock = 65536 [ 6.610271] SGI XFS with ACLs, security attributes, realtime, no debug enabled [ 6.614270] 9p: Installing v9fs 9p2000 file system support [ 6.615198] FS-Cache: Netfs '9p' registered for caching [ 6.619286] gfs2: GFS2 installed [ 6.621804] FS-Cache: Netfs 'ceph' registered for caching [ 6.622870] ceph: loaded (mds proto 32) [ 6.708468] NET: Registered protocol family 38 [ 6.711209] async_tx: api initialized (async) [ 6.711881] Key type asymmetric registered [ 6.712502] Asymmetric key parser 'x509' registered [ 6.713232] Asymmetric key parser 'pkcs8' registered [ 6.713936] Key type pkcs7_test registered [ 6.714599] Asymmetric key parser 'tpm_parser' registered [ 6.715503] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 246) [ 6.717686] io scheduler mq-deadline registered [ 6.718445] io scheduler kyber registered [ 6.719216] io scheduler bfq registered [ 6.723708] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 6.737033] ACPI: Power Button [PWRF] [ 6.738827] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 6.740132] ACPI: Sleep Button [SLPF] [ 6.744558] ioatdma: Intel(R) QuickData Technology Driver 4.00 [ 6.754998] PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 6.755929] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 6.767738] PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 6.768678] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 7.016279] HDLC line discipline maxframe=4096 [ 7.017679] N_HDLC line discipline registered. [ 7.018495] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 7.041521] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 7.067217] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 7.092735] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 7.118285] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 7.125324] Non-volatile memory driver v1.3 [ 7.127117] Linux agpgart interface v0.103 [ 7.134454] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 7.136453] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 7.138031] [drm] Driver supports precise vblank timestamp query. [ 7.141572] [drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1 [ 7.143424] usbcore: registered new interface driver udl [ 7.158538] ================================================================== [ 7.160236] BUG: KASAN: use-after-free in generic_make_request+0x14dd/0x1810 [ 7.161893] Read of size 2 at addr ffff8882194516d4 by task swapper/0/1 [ 7.163399] [ 7.163786] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.0.0-rc3+ #42 [ 7.165349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 7.167339] Call Trace: [ 7.167937] dump_stack+0x1db/0x2d0 [ 7.168127] ? dump_stack_print_info.cold+0x20/0x20 [ 7.168127] ? generic_make_request+0x14dd/0x1810 [ 7.168127] print_address_description.cold+0x7c/0x20d [ 7.168127] ? generic_make_request+0x14dd/0x1810 [ 7.168127] ? generic_make_request+0x14dd/0x1810 [ 7.168127] kasan_report.cold+0x1b/0x40 [ 7.168127] ? generic_make_request+0x14dd/0x1810 [ 7.168127] __asan_report_load2_noabort+0x14/0x20 [ 7.168127] generic_make_request+0x14dd/0x1810 [ 7.168127] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 7.168127] ? blk_queue_enter+0x1200/0x1200 [ 7.168127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.168127] ? check_preemption_disabled+0x48/0x290 [ 7.168127] ? guard_bio_eod+0x1cc/0x630 [ 7.168127] ? find_held_lock+0x35/0x120 [ 7.168127] ? guard_bio_eod+0x1cc/0x630 [ 7.168127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.168127] submit_bio+0xba/0x480 [ 7.168127] ? submit_bio+0xba/0x480 [ 7.168127] ? rcu_read_unlock_special+0x380/0x380 [ 7.168127] ? generic_make_request+0x1810/0x1810 [ 7.168127] ? __bio_add_page+0x11e/0x280 [ 7.168127] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 7.168127] ? guard_bio_eod+0x293/0x630 [ 7.168127] submit_bh_wbc+0x5f7/0x7f0 [ 7.168127] block_read_full_page+0x946/0xfe0 [ 7.168127] ? check_disk_change+0x140/0x140 [ 7.168127] ? __bread_gfp+0x300/0x300 [ 7.168127] ? __inc_numa_state+0x49/0xe0 [ 7.168127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.168127] ? alloc_page_interleave+0x91/0x1c0 [ 7.168127] ? alloc_pages_current+0x10f/0x210 [ 7.168127] ? __page_cache_alloc+0x19c/0x620 [ 7.168127] ? __filemap_set_wb_err+0x3f0/0x3f0 [ 7.168127] blkdev_readpage+0x1d/0x30 [ 7.168127] do_read_cache_page+0x796/0x16a0 [ 7.168127] ? blkdev_writepages+0x30/0x30 [ 7.168127] ? grab_cache_page_write_begin+0xb0/0xb0 [ 7.168127] ? mark_held_locks+0xb1/0x100 [ 7.168127] ? mark_held_locks+0x100/0x100 [ 7.168127] ? depot_save_stack+0x1de/0x460 [ 7.168127] ? trace_hardirqs_off_caller+0x300/0x300 [ 7.168127] ? do_raw_spin_trylock+0x270/0x270 [ 7.168127] ? __lock_is_held+0xb6/0x140 [ 7.168127] ? add_lock_to_list.isra.0+0x450/0x450 [ 7.168127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.168127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.168127] ? check_preemption_disabled+0x48/0x290 [ 7.168127] ? add_lock_to_list.isra.0+0x450/0x450 [ 7.168127] ? __lock_is_held+0xb6/0x140 [ 7.168127] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 7.168127] ? widen_string+0xe0/0x2e0 [ 7.168127] ? blkdev_writepages+0x30/0x30 [ 7.168127] read_cache_page+0x5e/0x70 [ 7.168127] read_dev_sector+0x12c/0x510 [ 7.168127] ? __delete_partition+0x210/0x210 [ 7.168127] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 7.168127] ? format_decode+0x227/0xb00 [ 7.168127] ? enable_ptr_key_workfn+0x30/0x30 [ 7.168127] ? adfspart_check_ADFS+0x9c0/0x9c0 [ 7.168127] adfspart_check_ICS+0x153/0xfb0 [ 7.168127] ? memcpy+0x46/0x50 [ 7.168127] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 7.168127] ? adfspart_check_ADFS+0x9c0/0x9c0 [ 7.168127] ? pointer+0x930/0x930 [ 7.168127] ? snprintf+0xbb/0xf0 [ 7.168127] ? vsprintf+0x40/0x40 [ 7.168127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.168127] ? adfspart_check_ADFS+0x9c0/0x9c0 [ 7.168127] check_partition+0x3be/0x6d0 [ 7.168127] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 7.168127] rescan_partitions+0x187/0x970 [ 7.168127] ? up_write+0x7b/0x230 [ 7.168127] ? set_init_blocksize+0x1ac/0x260 [ 7.168127] __blkdev_get+0xda1/0x1560 [ 7.168127] ? blkdev_get_block+0xc0/0xc0 [ 7.168127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.168127] blkdev_get+0xc1/0xae0 [ 7.168127] ? unlock_new_inode+0xfa/0x140 [ 7.168127] ? bdget+0xfe/0x600 [ 7.168127] ? bdget+0x600/0x600 [ 7.168127] ? refcount_dec_and_test_checked+0x1b/0x20 [ 7.168127] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 7.168127] ? kobject_put+0x84/0xe0 [ 7.168127] ? put_device+0x25/0x30 [ 7.168127] __device_add_disk+0xe5e/0x13c0 [ 7.168127] ? blk_alloc_devt+0x2e0/0x2e0 [ 7.168127] ? sprintf+0xc0/0x100 [ 7.168127] ? scnprintf+0x140/0x140 [ 7.168127] ? disk_expand_part_tbl+0x3d0/0x3d0 [ 7.168127] ? lockdep_init_map+0x10c/0x5b0 [ 7.168127] device_add_disk+0x2b/0x40 [ 7.168127] brd_init+0x2e9/0x3fa [ 7.168127] ? ramdisk_size+0x2a/0x2a [ 7.168127] ? ramdisk_size+0x2a/0x2a [ 7.168127] ? ramdisk_size+0x2a/0x2a [ 7.168127] do_one_initcall+0x129/0x937 [ 7.168127] ? perf_trace_initcall_level+0x750/0x750 [ 7.168127] ? rcu_read_lock_sched_held+0x110/0x130 [ 7.168127] ? trace_initcall_level+0x2d5/0x321 [ 7.168127] ? arch_local_irq_restore+0x56/0x56 [ 7.168127] ? down_write_nested+0x130/0x130 [ 7.168127] ? down_read+0x120/0x120 [ 7.168127] ? kasan_unpoison_shadow+0x35/0x50 [ 7.168127] kernel_init_freeable+0x4d5/0x5c4 [ 7.168127] ? rest_init+0x37b/0x37b [ 7.168127] kernel_init+0x12/0x1c5 [ 7.168127] ret_from_fork+0x3a/0x50 [ 7.168127] [ 7.168127] Allocated by task 1: [ 7.168127] save_stack+0x45/0xd0 [ 7.168127] __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 7.168127] kasan_slab_alloc+0xf/0x20 [ 7.168127] kmem_cache_alloc+0x12d/0x710 [ 7.168127] mempool_alloc_slab+0x47/0x60 [ 7.168127] mempool_alloc+0x19f/0x500 [ 7.168127] bio_alloc_bioset+0x3c1/0x720 [ 7.168127] submit_bh_wbc+0x133/0x7f0 [ 7.168127] block_read_full_page+0x946/0xfe0 [ 7.168127] blkdev_readpage+0x1d/0x30 [ 7.168127] do_read_cache_page+0x796/0x16a0 [ 7.168127] read_cache_page+0x5e/0x70 [ 7.168127] read_dev_sector+0x12c/0x510 [ 7.168127] adfspart_check_ICS+0x153/0xfb0 [ 7.168127] check_partition+0x3be/0x6d0 [ 7.168127] rescan_partitions+0x187/0x970 [ 7.168127] __blkdev_get+0xda1/0x1560 [ 7.168127] blkdev_get+0xc1/0xae0 [ 7.168127] __device_add_disk+0xe5e/0x13c0 [ 7.168127] device_add_disk+0x2b/0x40 [ 7.168127] brd_init+0x2e9/0x3fa [ 7.168127] do_one_initcall+0x129/0x937 [ 7.168127] kernel_init_freeable+0x4d5/0x5c4 [ 7.168127] kernel_init+0x12/0x1c5 [ 7.168127] ret_from_fork+0x3a/0x50 [ 7.168127] [ 7.168127] Freed by task 1: [ 7.168127] save_stack+0x45/0xd0 [ 7.168127] __kasan_slab_free+0x102/0x150 [ 7.168127] kasan_slab_free+0xe/0x10 [ 7.168127] kmem_cache_free+0x86/0x260 [ 7.168127] mempool_free_slab+0x1e/0x30 [ 7.168127] mempool_free+0xed/0x380 [ 7.168127] bio_free+0x324/0x570 [ 7.168127] bio_put+0x17a/0x1f0 [ 7.168127] end_bio_bh_io_sync+0xfb/0x140 [ 7.168127] bio_endio+0x840/0xfb0 [ 7.168127] brd_make_request+0x686/0x95a [ 7.168127] generic_make_request+0x92b/0x1810 [ 7.168127] submit_bio+0xba/0x480 [ 7.168127] submit_bh_wbc+0x5f7/0x7f0 [ 7.168127] block_read_full_page+0x946/0xfe0 [ 7.168127] blkdev_readpage+0x1d/0x30 [ 7.168127] do_read_cache_page+0x796/0x16a0 [ 7.168127] read_cache_page+0x5e/0x70 [ 7.168127] read_dev_sector+0x12c/0x510 [ 7.168127] adfspart_check_ICS+0x153/0xfb0 [ 7.168127] check_partition+0x3be/0x6d0 [ 7.168127] rescan_partitions+0x187/0x970 [ 7.168127] __blkdev_get+0xda1/0x1560 [ 7.168127] blkdev_get+0xc1/0xae0 [ 7.168127] __device_add_disk+0xe5e/0x13c0 [ 7.168127] device_add_disk+0x2b/0x40 [ 7.168127] brd_init+0x2e9/0x3fa [ 7.168127] do_one_initcall+0x129/0x937 [ 7.168127] kernel_init_freeable+0x4d5/0x5c4 [ 7.168127] kernel_init+0x12/0x1c5 [ 7.168127] ret_from_fork+0x3a/0x50 [ 7.168127] [ 7.168127] The buggy address belongs to the object at ffff8882194516c0 [ 7.168127] which belongs to the cache bio-0 of size 200 [ 7.168127] The buggy address is located 20 bytes inside of [ 7.168127] 200-byte region [ffff8882194516c0, ffff888219451788) [ 7.168127] The buggy address belongs to the page: [ 7.168127] page:ffffea0008651440 count:1 mapcount:0 mapping:ffff88821b2e2480 index:0xffff888219451e40 [ 7.168127] flags: 0x6fffc0000000200(slab) [ 7.168127] raw: 06fffc0000000200 ffff88821b2e1c38 ffff88821b2e1c38 ffff88821b2e2480 [ 7.168127] raw: ffff888219451e40 ffff888219451080 0000000100000006 0000000000000000 [ 7.168127] page dumped because: kasan: bad access detected [ 7.168127] [ 7.168127] Memory state around the buggy address: [ 7.168127] ffff888219451580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 7.168127] ffff888219451600: fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc [ 7.168127] >ffff888219451680: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb [ 7.168127] ^ [ 7.168127] ffff888219451700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 7.168127] ffff888219451780: fb fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 7.168127] ================================================================== [ 7.168127] Disabling lock debugging due to kernel taint [ 7.365965] Kernel panic - not syncing: panic_on_warn set ... [ 7.367402] CPU: 1 PID: 1 Comm: swapper/0 Tainted: G B 5.0.0-rc3+ #42 [ 7.369277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 7.371570] Call Trace: [ 7.372182] dump_stack+0x1db/0x2d0 [ 7.372950] ? dump_stack_print_info.cold+0x20/0x20 [ 7.374150] panic+0x2cb/0x65c [ 7.374823] ? add_taint.cold+0x16/0x16 [ 7.374823] ? generic_make_request+0x14dd/0x1810 [ 7.374823] ? preempt_schedule+0x4b/0x60 [ 7.374823] ? ___preempt_schedule+0x16/0x18 [ 7.374823] ? trace_hardirqs_on+0xb4/0x310 [ 7.374823] ? generic_make_request+0x14dd/0x1810 [ 7.374823] end_report+0x47/0x4f [ 7.374823] ? generic_make_request+0x14dd/0x1810 [ 7.374823] kasan_report.cold+0xe/0x40 [ 7.374823] ? generic_make_request+0x14dd/0x1810 [ 7.374823] __asan_report_load2_noabort+0x14/0x20 [ 7.374823] generic_make_request+0x14dd/0x1810 [ 7.374823] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 7.374823] ? blk_queue_enter+0x1200/0x1200 [ 7.374823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.374823] ? check_preemption_disabled+0x48/0x290 [ 7.374823] ? guard_bio_eod+0x1cc/0x630 [ 7.374823] ? find_held_lock+0x35/0x120 [ 7.374823] ? guard_bio_eod+0x1cc/0x630 [ 7.374823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.374823] submit_bio+0xba/0x480 [ 7.374823] ? submit_bio+0xba/0x480 [ 7.374823] ? rcu_read_unlock_special+0x380/0x380 [ 7.374823] ? generic_make_request+0x1810/0x1810 [ 7.374823] ? __bio_add_page+0x11e/0x280 [ 7.374823] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 7.374823] ? guard_bio_eod+0x293/0x630 [ 7.374823] submit_bh_wbc+0x5f7/0x7f0 [ 7.374823] block_read_full_page+0x946/0xfe0 [ 7.374823] ? check_disk_change+0x140/0x140 [ 7.374823] ? __bread_gfp+0x300/0x300 [ 7.374823] ? __inc_numa_state+0x49/0xe0 [ 7.374823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.374823] ? alloc_page_interleave+0x91/0x1c0 [ 7.374823] ? alloc_pages_current+0x10f/0x210 [ 7.374823] ? __page_cache_alloc+0x19c/0x620 [ 7.374823] ? __filemap_set_wb_err+0x3f0/0x3f0 [ 7.374823] blkdev_readpage+0x1d/0x30 [ 7.374823] do_read_cache_page+0x796/0x16a0 [ 7.374823] ? blkdev_writepages+0x30/0x30 [ 7.374823] ? grab_cache_page_write_begin+0xb0/0xb0 [ 7.374823] ? mark_held_locks+0xb1/0x100 [ 7.374823] ? mark_held_locks+0x100/0x100 [ 7.374823] ? depot_save_stack+0x1de/0x460 [ 7.374823] ? trace_hardirqs_off_caller+0x300/0x300 [ 7.374823] ? do_raw_spin_trylock+0x270/0x270 [ 7.374823] ? __lock_is_held+0xb6/0x140 [ 7.374823] ? add_lock_to_list.isra.0+0x450/0x450 [ 7.374823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.374823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.374823] ? check_preemption_disabled+0x48/0x290 [ 7.374823] ? add_lock_to_list.isra.0+0x450/0x450 [ 7.374823] ? __lock_is_held+0xb6/0x140 [ 7.374823] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 7.374823] ? widen_string+0xe0/0x2e0 [ 7.374823] ? blkdev_writepages+0x30/0x30 [ 7.374823] read_cache_page+0x5e/0x70 [ 7.374823] read_dev_sector+0x12c/0x510 [ 7.374823] ? __delete_partition+0x210/0x210 [ 7.374823] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 7.374823] ? format_decode+0x227/0xb00 [ 7.374823] ? enable_ptr_key_workfn+0x30/0x30 [ 7.374823] ? adfspart_check_ADFS+0x9c0/0x9c0 [ 7.374823] adfspart_check_ICS+0x153/0xfb0 [ 7.374823] ? memcpy+0x46/0x50 [ 7.374823] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 7.374823] ? adfspart_check_ADFS+0x9c0/0x9c0 [ 7.374823] ? pointer+0x930/0x930 [ 7.374823] ? snprintf+0xbb/0xf0 [ 7.374823] ? vsprintf+0x40/0x40 [ 7.374823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.374823] ? adfspart_check_ADFS+0x9c0/0x9c0 [ 7.374823] check_partition+0x3be/0x6d0 [ 7.374823] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 7.374823] rescan_partitions+0x187/0x970 [ 7.374823] ? up_write+0x7b/0x230 [ 7.374823] ? set_init_blocksize+0x1ac/0x260 [ 7.374823] __blkdev_get+0xda1/0x1560 [ 7.374823] ? blkdev_get_block+0xc0/0xc0 [ 7.374823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 7.374823] blkdev_get+0xc1/0xae0 [ 7.374823] ? unlock_new_inode+0xfa/0x140 [ 7.374823] ? bdget+0xfe/0x600 [ 7.374823] ? bdget+0x600/0x600 [ 7.374823] ? refcount_dec_and_test_checked+0x1b/0x20 [ 7.374823] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 7.374823] ? kobject_put+0x84/0xe0 [ 7.374823] ? put_device+0x25/0x30 [ 7.374823] __device_add_disk+0xe5e/0x13c0 [ 7.374823] ? blk_alloc_devt+0x2e0/0x2e0 [ 7.374823] ? sprintf+0xc0/0x100 [ 7.374823] ? scnprintf+0x140/0x140 [ 7.374823] ? disk_expand_part_tbl+0x3d0/0x3d0 [ 7.374823] ? lockdep_init_map+0x10c/0x5b0 [ 7.374823] device_add_disk+0x2b/0x40 [ 7.374823] brd_init+0x2e9/0x3fa [ 7.374823] ? ramdisk_size+0x2a/0x2a [ 7.374823] ? ramdisk_size+0x2a/0x2a [ 7.374823] ? ramdisk_size+0x2a/0x2a [ 7.374823] do_one_initcall+0x129/0x937 [ 7.374823] ? perf_trace_initcall_level+0x750/0x750 [ 7.374823] ? rcu_read_lock_sched_held+0x110/0x130 [ 7.374823] ? trace_initcall_level+0x2d5/0x321 [ 7.374823] ? arch_local_irq_restore+0x56/0x56 [ 7.374823] ? down_write_nested+0x130/0x130 [ 7.374823] ? down_read+0x120/0x120 [ 7.374823] ? kasan_unpoison_shadow+0x35/0x50 [ 7.374823] kernel_init_freeable+0x4d5/0x5c4 [ 7.374823] ? rest_init+0x37b/0x37b [ 7.374823] kernel_init+0x12/0x1c5 [ 7.374823] ret_from_fork+0x3a/0x50 [ 7.374823] Kernel Offset: disabled [ 7.374823] Rebooting in 86400 seconds..