general protection fault in dma_direct_max_mapping_size RPC: Registered udp transport module. RPC: Registered tcp transport module. RPC: Registered tcp NFSv4.1 backchannel transport module. pci 0000:00:00.0: Limiting direct PCI/PCI transfers PCI: CLS 0 bytes, default 64 PCI-DMA: Using software bounce buffering for IO (SWIOTLB) software IO TLB: mapped [mem 0xbbffd000-0xbfffd000] (64MB) RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns clocksource: Switched to clocksource tsc check: Scanning for low memory corruption every 60 seconds Initialise system trusted keyrings workingset: timestamp_bits=40 max_order=21 bucket_order=0 NFS: Registering the id_resolver key type Key type id_resolver registered Key type id_legacy registered 9p: Installing v9fs 9p2000 file system support Key type asymmetric registered Asymmetric key parser 'x509' registered Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) io scheduler mq-deadline registered io scheduler kyber registered usbcore: registered new interface driver udlfb usbcore: registered new interface driver smscufx input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 ACPI: Power Button [PWRF] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 ACPI: Sleep Button [SLPF] PCI Interrupt Link [LNKC] enabled at IRQ 11 virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver PCI Interrupt Link [LNKD] enabled at IRQ 10 virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A Non-volatile memory driver v1.3 Linux agpgart interface v0.103 usbcore: registered new interface driver udl loop: module loaded usbcore: registered new interface driver rtsx_usb usbcore: registered new interface driver viperboard usbcore: registered new interface driver dln2 usbcore: registered new interface driver pn533_usb usbcore: registered new interface driver port100 usbcore: registered new interface driver nfcmrvl scsi host0: Virtio SCSI HBA kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.3.0-rc1+ #1 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:dma_addressing_limited include/linux/dma-mapping.h:692 [inline] RIP: 0010:dma_direct_max_mapping_size+0x73/0x19a kernel/dma/direct.c:408 Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 1e 01 00 00 48 8b 9d 38 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 06 01 00 00 48 8d bd 48 03 00 00 48 8b 1b 48 b8 RSP: 0000:ffff8881da18f628 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff812d716c RDX: 0000000000000000 RSI: ffffffff812d7189 RDI: ffff8881d829fa78 RBP: ffff8881d829f740 R08: ffff8881da180000 R09: ffffed103ad210cb R10: ffffed103ad210ca R11: ffff8881d6908657 R12: ffff8881d829f740 R13: ffff8881d76a57b0 R14: 0000000000000200 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000006a21000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: dma_max_mapping_size+0xb5/0xf0 kernel/dma/mapping.c:375 __scsi_init_queue+0x17e/0x510 drivers/scsi/scsi_lib.c:1787 scsi_mq_alloc_queue+0xcb/0x170 drivers/scsi/scsi_lib.c:1833 scsi_alloc_sdev+0x82e/0xc50 drivers/scsi/scsi_scan.c:269 scsi_probe_and_add_lun+0x1ee5/0x2cd0 drivers/scsi/scsi_scan.c:1078 __scsi_scan_target+0x273/0xc30 drivers/scsi/scsi_scan.c:1562 scsi_scan_channel.part.0+0x126/0x1a0 drivers/scsi/scsi_scan.c:1650 scsi_scan_channel drivers/scsi/scsi_scan.c:1677 [inline] scsi_scan_host_selected+0x2bb/0x3f0 drivers/scsi/scsi_scan.c:1679 do_scsi_scan_host drivers/scsi/scsi_scan.c:1817 [inline] do_scsi_scan_host+0x1e8/0x260 drivers/scsi/scsi_scan.c:1807 scsi_scan_host drivers/scsi/scsi_scan.c:1847 [inline] scsi_scan_host+0x37c/0x440 drivers/scsi/scsi_scan.c:1835 virtscsi_probe+0x9b7/0xbb5 drivers/scsi/virtio_scsi.c:847 virtio_dev_probe+0x463/0x710 drivers/virtio/virtio.c:248 really_probe+0x281/0x650 drivers/base/dd.c:548 driver_probe_device+0x101/0x1b0 drivers/base/dd.c:709 device_driver_attach+0x108/0x140 drivers/base/dd.c:983 __driver_attach+0xda/0x240 drivers/base/dd.c:1060 bus_for_each_dev+0x14b/0x1d0 drivers/base/bus.c:304 bus_add_driver+0x44e/0x5a0 drivers/base/bus.c:645 driver_register+0x1c4/0x320 drivers/base/driver.c:170 __write_once_size include/linux/compiler.h:226 [inline] INIT_LIST_HEAD include/linux/list.h:28 [inline] init+0xa1/0x115 drivers/char/virtio_console.c:2251 do_one_initcall+0xf0/0x614 init/main.c:939 do_initcall_level init/main.c:1007 [inline] do_initcalls init/main.c:1015 [inline] do_basic_setup init/main.c:1032 [inline] kernel_init_freeable+0x4a9/0x596 init/main.c:1192 kernel_init+0xd/0x1bf init/main.c:1110 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Modules linked in: ---[ end trace 6822302347232fe4 ]--- RIP: 0010:dma_addressing_limited include/linux/dma-mapping.h:692 [inline] RIP: 0010:dma_direct_max_mapping_size+0x73/0x19a kernel/dma/direct.c:408 Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 1e 01 00 00 48 8b 9d 38 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 06 01 00 00 48 8d bd 48 03 00 00 48 8b 1b 48 b8 RSP: 0000:ffff8881da18f628 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff812d716c RDX: 0000000000000000 RSI: ffffffff812d7189 RDI: ffff8881d829fa78 RBP: ffff8881d829f740 R08: ffff8881da180000 R09: ffffed103ad210cb R10: ffffed103ad210ca R11: ffff8881d6908657 R12: ffff8881d829f740 R13: ffff8881d76a57b0 R14: 0000000000000200 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000006a21000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 0.000000][ T0] Linux version 5.3.0-rc1+ (syzkaller@ci2) (gcc version 9.0.0 20181231 (experimental) (GCC)) #1 SMP Wed Jul 24 20:56:22 UTC 2019 [ 0.000000][ T0] 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 lsm=yama,safesetid,integrity,tomoyo,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 dummy_hcd.num=8 binder.debug_mask=0 [ 0.000000][ T0] KERNEL supported cpus: [ 0.000000][ T0] Intel GenuineIntel [ 0.000000][ T0] AMD AuthenticAMD [ 0.000000][ T0] Hygon HygonGenuine [ 0.000000][ T0] zhaoxin Shanghai [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000][ T0] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 0.000000][ T0] BIOS-provided physical RAM map: [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000100000-0x00000000bfffcfff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x00000000bfffd000-0x00000000bfffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000100000000-0x000000021fffffff] usable [ 0.000000][ T0] printk: bootconsole [earlyser0] enabled [ 0.000000][ T0] Malformed early option 'vsyscall' [ 0.000000][ T0] nopcid: PCID feature disabled [ 0.000000][ T0] NX (Execute Disable) protection: active [ 0.000000][ T0] SMBIOS 2.4 present. [ 0.000000][ T0] DMI: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 0.000000][ T0] Hypervisor detected: KVM [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000005][ T0] kvm-clock: cpu 0, msr 83ee001, primary cpu clock [ 0.000005][ T0] kvm-clock: using sched offset of 5730218460 cycles [ 0.000886][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.004172][ T0] tsc: Detected 2300.000 MHz processor [ 0.006873][ T0] last_pfn = 0x220000 max_arch_pfn = 0x400000000 [ 0.007889][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.009614][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.015741][ T0] found SMP MP-table at [mem 0x000f29c0-0x000f29cf] [ 0.016880][ T0] check: Scanning 1 areas for low memory corruption [ 0.018265][ T0] Using GB pages for direct mapping [ 0.021086][ T0] ACPI: Early table checksum verification disabled [ 0.022045][ T0] ACPI: RSDP 0x00000000000F2750 000014 (v00 Google) [ 0.023053][ T0] ACPI: RSDT 0x00000000BFFFDA50 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.024886][ T0] ACPI: FACP 0x00000000BFFFFF00 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.026482][ T0] ACPI: DSDT 0x00000000BFFFDA90 0018BA (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.027819][ T0] ACPI: FACS 0x00000000BFFFFEC0 000040 [ 0.028630][ T0] ACPI: FACS 0x00000000BFFFFEC0 000040 [ 0.029737][ T0] ACPI: SSDT 0x00000000BFFFF540 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.031657][ T0] ACPI: APIC 0x00000000BFFFF450 000076 (v01 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.033104][ T0] ACPI: WAET 0x00000000BFFFF420 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.034493][ T0] ACPI: SRAT 0x00000000BFFFF350 0000C8 (v01 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.036102][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.036898][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.037608][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.038513][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.039522][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x21fffffff] [ 0.040452][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.042790][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x21fffffff] -> [mem 0x00000000-0x21fffffff] [ 0.044793][ T0] NODE_DATA(0) allocated [mem 0x21fffa000-0x21fffdfff] [ 0.094957][ T0] Zone ranges: [ 0.095710][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.096830][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.098074][ T0] Normal [mem 0x0000000100000000-0x000000021fffffff] [ 0.099454][ T0] Movable zone start for each node [ 0.100110][ T0] Early memory node ranges [ 0.101000][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.102047][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.103079][ T0] node 0: [mem 0x0000000100000000-0x000000021fffffff] [ 0.104053][ T0] Zeroed struct page in unavailable ranges: 101 pages [ 0.104059][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000021fffffff] [ 1.012683][ T0] kasan: KernelAddressSanitizer initialized [ 1.014522][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 1.015662][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 1.016757][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 1.018108][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 1.019325][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 1.020315][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 1.021546][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 1.023207][ T0] Using ACPI (MADT) for SMP configuration information [ 1.024304][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 1.025388][ T0] PM: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 1.026544][ T0] PM: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 1.027703][ T0] PM: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 1.028756][ T0] PM: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 1.030006][ T0] PM: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 1.031015][ T0] PM: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 1.032165][ T0] PM: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 1.033459][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 1.034652][ T0] Booting paravirtualized kernel on KVM [ 1.035486][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.044321][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:2 nr_node_ids:1 [ 2.047051][ T0] percpu: Embedded 62 pages/cpu s213000 r8192 d32760 u1048576 [ 2.048268][ T0] Built 1 zonelists, mobility grouping on. Total pages: 1935238 [ 2.049643][ T0] Policy zone: Normal [ 2.050223][ T0] 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 lsm=yama,safesetid,integrity,tomoyo,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 dummy_hcd.num=8 binder.debug_mask=0 [ 2.070264][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, linear) [ 2.075701][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 2.077259][ T0] mem auto-init: stack:off, heap alloc:off, heap free:off [ 2.766483][ T0] Memory: 6519792K/7863916K available (73733K kernel code, 12692K rwdata, 15988K rodata, 2360K init, 22740K bss, 1344124K reserved, 0K cma-reserved) [ 2.769359][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 [ 2.772921][ T0] Running RCU self tests [ 2.773684][ T0] rcu: Hierarchical RCU implementation. [ 2.774623][ T0] rcu: RCU event tracing is enabled. [ 2.775330][ T0] rcu: RCU lockdep checking is enabled. [ 2.776133][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 2.777282][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 2.778300][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 2.779709][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 2.784372][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 2.786033][ T0] random: get_random_bytes called from start_kernel+0x4db/0x872 with crng_init=0 [ 2.788552][ T0] Console: colour VGA+ 80x25 [ 2.789256][ T0] printk: console [ttyS0] enabled [ 2.789256][ T0] printk: console [ttyS0] enabled [ 2.790906][ T0] printk: bootconsole [earlyser0] disabled [ 2.790906][ T0] printk: bootconsole [earlyser0] disabled [ 2.792556][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 2.794015][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 2.794723][ T0] ... MAX_LOCK_DEPTH: 48 [ 2.795500][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 2.796358][ T0] ... CLASSHASH_SIZE: 4096 [ 2.797316][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 2.798206][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 2.799072][ T0] ... CHAINHASH_SIZE: 32768 [ 2.799941][ T0] memory used by lock dependency info: 6237 kB [ 2.800969][ T0] per task-struct memory footprint: 1920 bytes [ 2.802155][ T0] ACPI: Core revision 20190703 [ 2.803520][ T0] APIC: Switch to symmetric I/O mode setup [ 2.807862][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 2.809344][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 2.811156][ T0] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 2.812761][ T0] pid_max: default: 32768 minimum: 301 [ 2.821453][ T0] LSM: Security Framework initializing [ 2.822388][ T0] LSM: security= is ignored because it is superseded by lsm= [ 2.823862][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 2.825272][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 2.828276][ T0] *** VALIDATE proc *** [ 2.829591][ T0] *** VALIDATE cgroup1 *** [ 2.830518][ T0] *** VALIDATE cgroup2 *** [ 2.831763][ T0] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 2.833108][ T0] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 2.834744][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 2.834775][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 2.838542][ T0] MDS: Mitigation: Clear CPU buffers [ 2.840144][ T0] Freeing SMP alternatives memory: 40K [ 2.851131][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 2.851131][ T1] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 2.851131][ T1] rcu: Hierarchical SRCU implementation. [ 2.851131][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 2.851131][ T1] smp: Bringing up secondary CPUs ... [ 2.851131][ T1] x86: Booting SMP configuration: [ 2.851153][ T1] .... node #0, CPUs: #1 [ 0.035268][ T0] kvm-clock: cpu 1, msr 83ee041, secondary cpu clock [ 2.852398][ T1] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details. [ 2.854759][ T1] smp: Brought up 1 node, 2 CPUs [ 2.855585][ T1] smpboot: Max logical packages: 1 [ 2.856294][ T1] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 2.861896][ T1] devtmpfs: initialized [ 2.873454][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.873454][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, linear) [ 2.875783][ T1] PM: RTC time: 21:05:06, date: 2019-07-24 [ 2.882105][ T1] NET: Registered protocol family 16 [ 2.886588][ T1] audit: initializing netlink subsys (disabled) [ 2.888579][ T22] audit: type=2000 audit(1564002306.507:1): state=initialized audit_enabled=0 res=1 [ 2.888579][ T1] cpuidle: using governor menu [ 2.893505][ T1] ACPI: bus type PCI registered [ 2.894935][ T1] PCI: Using configuration type 1 for base access [ 3.002926][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 3.003285][ T27] cryptomgr_test (27) used greatest stack depth: 30208 bytes left [ 3.003285][ T29] kworker/u4:0 (29) used greatest stack depth: 27608 bytes left [ 3.011409][ T43] kworker/u4:0 (43) used greatest stack depth: 27120 bytes left [ 3.022044][ T1] ACPI: Added _OSI(Module Device) [ 3.022884][ T1] ACPI: Added _OSI(Processor Device) [ 3.023651][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.031207][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 3.031207][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 3.031249][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 3.032156][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 3.082907][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 3.097843][ T1] ACPI: Interpreter enabled [ 3.098853][ T1] ACPI: (supports S0 S3 S4 S5) [ 3.099590][ T1] ACPI: Using IOAPIC for interrupt routing [ 3.100591][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 3.104257][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 3.182493][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 3.183851][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 3.185519][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 3.192575][ T1] PCI host bridge to bus 0000:00 [ 3.193286][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 3.194360][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 3.195393][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 3.196522][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 3.197715][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 3.198886][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 [ 3.204649][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 [ 3.222865][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 [ 3.241306][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 3.245348][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 [ 3.251166][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f] [ 3.255600][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfebfe000-0xfebfe07f] [ 3.271694][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 [ 3.277964][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f] [ 3.283798][ T1] pci 0000:00:04.0: reg 0x14: [mem 0xfebff000-0xfebff07f] [ 3.310020][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 3.314509][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 3.318340][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 3.322364][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 3.324796][ T1] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 3.332253][ T1] vgaarb: loaded [ 3.333359][ T1] SCSI subsystem initialized [ 3.334153][ T1] ACPI: bus type USB registered [ 3.334153][ T1] usbcore: registered new interface driver usbfs [ 3.334153][ T1] usbcore: registered new interface driver hub [ 3.341195][ T1] usbcore: registered new device driver usb [ 3.341471][ T1] mc: Linux media interface: v0.10 [ 3.342295][ T1] videodev: Linux video capture interface: v2.00 [ 3.343599][ T1] pps_core: LinuxPPS API ver. 1 registered [ 3.344464][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 3.345876][ T1] PTP clock support registered [ 3.346781][ T1] EDAC MC: Ver: 3.0.0 [ 3.346781][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 3.346781][ T1] PCI: Using ACPI for IRQ routing [ 3.353286][ T1] Bluetooth: Core ver 2.22 [ 3.354202][ T1] NET: Registered protocol family 31 [ 3.354955][ T1] Bluetooth: HCI device and connection manager initialized [ 3.355989][ T1] Bluetooth: HCI socket layer initialized [ 3.356767][ T1] Bluetooth: L2CAP socket layer initialized [ 3.357644][ T1] Bluetooth: SCO socket layer initialized [ 3.358472][ T1] NET: Registered protocol family 8 [ 3.359220][ T1] NET: Registered protocol family 20 [ 3.360093][ T1] NetLabel: Initializing [ 3.360715][ T1] NetLabel: domain hash size = 128 [ 3.361148][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 3.362492][ T1] NetLabel: unlabeled traffic allowed by default [ 3.363724][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 3.363724][ T1] NET: Registered protocol family 39 [ 3.365420][ T1] clocksource: Switched to clocksource kvm-clock [ 4.371843][ T1] VFS: Disk quotas dquot_6.6.0 [ 4.372992][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 4.374598][ T1] *** VALIDATE hugetlbfs *** [ 4.376107][ T1] pnp: PnP ACPI init [ 4.387313][ T1] pnp: PnP ACPI: found 7 devices [ 4.413711][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 4.413717][ T1] thermal_sys: Registered thermal governor 'user_space' [ 4.419892][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 4.422972][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 4.424189][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 4.425394][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 4.426791][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfffff window] [ 4.428947][ T1] NET: Registered protocol family 2 [ 4.431371][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 294912 bytes, linear) [ 4.433417][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 4.435847][ T1] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes, linear) [ 4.443410][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 4.445306][ T1] UDP hash table entries: 4096 (order: 7, 655360 bytes, linear) [ 4.447824][ T1] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, linear) [ 4.450432][ T1] NET: Registered protocol family 1 [ 4.453345][ T1] RPC: Registered named UNIX socket transport module. [ 4.454510][ T1] RPC: Registered udp transport module. [ 4.455454][ T1] RPC: Registered tcp transport module. [ 4.456446][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 4.458621][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 4.459864][ T1] PCI: CLS 0 bytes, default 64 [ 4.461378][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 4.462761][ T1] software IO TLB: mapped [mem 0xbbffd000-0xbfffd000] (64MB) [ 4.466413][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 4.467994][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 4.469791][ T1] clocksource: Switched to clocksource tsc [ 4.473423][ T1] check: Scanning for low memory corruption every 60 seconds [ 4.478343][ T1] Initialise system trusted keyrings [ 4.479810][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 4.521420][ T1] NFS: Registering the id_resolver key type [ 4.522729][ T1] Key type id_resolver registered [ 4.523526][ T1] Key type id_legacy registered [ 4.524942][ T1] 9p: Installing v9fs 9p2000 file system support [ 4.531784][ T1] Key type asymmetric registered [ 4.532779][ T1] Asymmetric key parser 'x509' registered [ 4.533772][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) [ 4.535226][ T1] io scheduler mq-deadline registered [ 4.536032][ T1] io scheduler kyber registered [ 4.539777][ T1] usbcore: registered new interface driver udlfb [ 4.541021][ T1] usbcore: registered new interface driver smscufx [ 4.543014][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 4.544520][ T1] ACPI: Power Button [PWRF] [ 4.545743][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 4.547129][ T1] ACPI: Sleep Button [SLPF] [ 4.560609][ T1] PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 4.562043][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 4.575190][ T1] PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 4.576547][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 4.582237][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 4.606272][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 4.631884][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 4.656881][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 4.682193][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 4.687302][ T1] Non-volatile memory driver v1.3 [ 4.688815][ T1] Linux agpgart interface v0.103 [ 4.695497][ T1] usbcore: registered new interface driver udl [ 4.719445][ T1] loop: module loaded [ 4.721039][ T1] usbcore: registered new interface driver rtsx_usb [ 4.723136][ T1] usbcore: registered new interface driver viperboard [ 4.725065][ T1] usbcore: registered new interface driver dln2 [ 4.726853][ T1] usbcore: registered new interface driver pn533_usb [ 4.729089][ T1] usbcore: registered new interface driver port100 [ 4.731604][ T1] usbcore: registered new interface driver nfcmrvl [ 4.746210][ T1] scsi host0: Virtio SCSI HBA [ 4.792288][ T1] kasan: CONFIG_KASAN_INLINE enabled [ 4.793729][ T1] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 4.795771][ T1] general protection fault: 0000 [#1] SMP KASAN [ 4.797547][ T1] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.3.0-rc1+ #1 [ 4.799786][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 4.801153][ T1] RIP: 0010:dma_direct_max_mapping_size+0x73/0x19a [ 4.801153][ T1] Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 1e 01 00 00 48 8b 9d 38 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 06 01 00 00 48 8d bd 48 03 00 00 48 8b 1b 48 b8 [ 4.801153][ T1] RSP: 0000:ffff8881da18f628 EFLAGS: 00010246 [ 4.801153][ T1] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff812d716c [ 4.801153][ T1] RDX: 0000000000000000 RSI: ffffffff812d7189 RDI: ffff8881d829fa78 [ 4.801153][ T1] RBP: ffff8881d829f740 R08: ffff8881da180000 R09: ffffed103ad210cb [ 4.801153][ T1] R10: ffffed103ad210ca R11: ffff8881d6908657 R12: ffff8881d829f740 [ 4.801153][ T1] R13: ffff8881d76a57b0 R14: 0000000000000200 R15: 0000000000000000 [ 4.801153][ T1] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 4.801153][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4.801153][ T1] CR2: 0000000000000000 CR3: 0000000006a21000 CR4: 00000000001406e0 [ 4.801153][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4.801153][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4.801153][ T1] Call Trace: [ 4.801153][ T1] dma_max_mapping_size+0xb5/0xf0 [ 4.801153][ T1] __scsi_init_queue+0x17e/0x510 [ 4.801153][ T1] scsi_mq_alloc_queue+0xcb/0x170 [ 4.801153][ T1] scsi_alloc_sdev+0x82e/0xc50 [ 4.801153][ T1] scsi_probe_and_add_lun+0x1ee5/0x2cd0 [ 4.801153][ T1] ? find_held_lock+0x2d/0x110 [ 4.801153][ T1] ? __pm_runtime_resume+0x111/0x180 [ 4.801153][ T1] ? scsi_alloc_sdev+0xc50/0xc50 [ 4.801153][ T1] ? mark_held_locks+0x9f/0xe0 [ 4.801153][ T1] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 4.801153][ T1] ? lockdep_hardirqs_on+0x379/0x580 [ 4.801153][ T1] __scsi_scan_target+0x273/0xc30 [ 4.801153][ T1] ? find_held_lock+0x2d/0x110 [ 4.801153][ T1] ? __pm_runtime_resume+0x111/0x180 [ 4.801153][ T1] ? scsi_probe_and_add_lun+0x2cd0/0x2cd0 [ 4.801153][ T1] ? mark_lock+0xbc/0x1130 [ 4.801153][ T1] scsi_scan_channel.part.0+0x126/0x1a0 [ 4.801153][ T1] scsi_scan_host_selected+0x2bb/0x3f0 [ 4.801153][ T1] do_scsi_scan_host+0x1e8/0x260 [ 4.801153][ T1] scsi_scan_host+0x37c/0x440 [ 4.801153][ T1] virtscsi_probe+0x9b7/0xbb5 [ 4.801153][ T1] ? virtscsi_restore+0x240/0x240 [ 4.801153][ T1] virtio_dev_probe+0x463/0x710 [ 4.801153][ T1] ? virtio_device_restore+0x1f0/0x1f0 [ 4.801153][ T1] really_probe+0x281/0x650 [ 4.801153][ T1] driver_probe_device+0x101/0x1b0 [ 4.801153][ T1] device_driver_attach+0x108/0x140 [ 4.801153][ T1] __driver_attach+0xda/0x240 [ 4.801153][ T1] ? device_driver_attach+0x140/0x140 [ 4.801153][ T1] bus_for_each_dev+0x14b/0x1d0 [ 4.801153][ T1] ? subsys_dev_iter_exit+0x20/0x20 [ 4.801153][ T1] bus_add_driver+0x44e/0x5a0 [ 4.801153][ T1] driver_register+0x1c4/0x320 [ 4.801153][ T1] ? spi_transport_init+0x132/0x132 [ 4.801153][ T1] init+0xa1/0x115 [ 4.801153][ T1] do_one_initcall+0xf0/0x614 [ 4.801153][ T1] ? perf_trace_initcall_level+0x3e0/0x3e0 [ 4.801153][ T1] ? parameq+0x110/0x160 [ 4.801153][ T1] kernel_init_freeable+0x4a9/0x596 [ 4.801153][ T1] ? rest_init+0x371/0x371 [ 4.801153][ T1] kernel_init+0xd/0x1bf [ 4.801153][ T1] ret_from_fork+0x24/0x30 [ 4.801153][ T1] Modules linked in: [ 4.899360][ T1] ---[ end trace 6822302347232fe4 ]--- [ 4.900898][ T1] RIP: 0010:dma_direct_max_mapping_size+0x73/0x19a [ 4.902841][ T1] Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 1e 01 00 00 48 8b 9d 38 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 06 01 00 00 48 8d bd 48 03 00 00 48 8b 1b 48 b8 [ 4.908805][ T1] RSP: 0000:ffff8881da18f628 EFLAGS: 00010246 [ 4.910502][ T1] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff812d716c [ 4.913042][ T1] RDX: 0000000000000000 RSI: ffffffff812d7189 RDI: ffff8881d829fa78 [ 4.915172][ T1] RBP: ffff8881d829f740 R08: ffff8881da180000 R09: ffffed103ad210cb [ 4.917564][ T1] R10: ffffed103ad210ca R11: ffff8881d6908657 R12: ffff8881d829f740 [ 4.919814][ T1] R13: ffff8881d76a57b0 R14: 0000000000000200 R15: 0000000000000000 [ 4.922373][ T1] FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 [ 4.925294][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4.927267][ T1] CR2: 0000000000000000 CR3: 0000000006a21000 CR4: 00000000001406e0 [ 4.929685][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4.931826][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4.934300][ T1] Kernel panic - not syncing: Fatal exception [ 4.936582][ T1] Kernel Offset: disabled [ 4.937961][ T1] Rebooting in 86400 seconds..