ooting the kernel. [ 0.000000] Linux version 4.17.0+ (syzkaller@ci) (clang version 7.0.0 (trunk 334104)) #13 SMP Thu Jun 28 08:19:00 UTC 2018 [ 0.000000] Command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n ftrace_dump_on_oops=orig_cpu oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 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 nopcid [ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 0.000000] e820: BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000bfff2fff] usable [ 0.000000] BIOS-e820: [mem 0x00000000bfff3000-0x00000000bfffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000021fffffff] usable [ 0.000000] bootconsole [earlyser0] enabled [ 0.000000] 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] e820: last_pfn = 0x220000 max_arch_pfn = 0x400000000 [ 0.000000] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.000000] e820: last_pfn = 0xbfff3 max_arch_pfn = 0x400000000 [ 0.000000] found SMP MP-table at [mem 0x000f2310-0x000f231f] mapped at [ (ptrval)] [ 0.000000] Scanning 1 areas for low memory corruption [ 0.000000] Using GB pages for direct mapping [ 0.000000] ACPI: Early table checksum verification disabled [ 0.000000] ACPI: RSDP 0x00000000000F22D0 000014 (v00 Google) [ 0.000000] ACPI: RSDT 0x00000000BFFF3430 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: FACP 0x00000000BFFFCF60 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.000000] ACPI: DSDT 0x00000000BFFF3470 0017B2 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: FACS 0x00000000BFFFCF00 000040 [ 0.000000] ACPI: FACS 0x00000000BFFFCF00 000040 [ 0.000000] ACPI: SSDT 0x00000000BFFF65F0 00690D (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: APIC 0x00000000BFFF5D10 000076 (v01 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.000000] ACPI: WAET 0x00000000BFFF5CE0 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.000000] ACPI: SRAT 0x00000000BFFF4C30 0000C8 (v01 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.000000] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.000000] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.000000] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.000000] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.000000] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x21fffffff] [ 0.000000] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.000000] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x21fffffff] -> [mem 0x00000000-0x21fffffff] [ 0.000000] NODE_DATA(0) allocated [mem 0x21fffa000-0x21fffdfff] [ 0.000000] tsc: Using PIT calibration value [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.000000] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.000000] Normal [mem 0x0000000100000000-0x000000021fffffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.000000] node 0: [mem 0x0000000000100000-0x00000000bfff2fff] [ 0.000000] node 0: [mem 0x0000000100000000-0x000000021fffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000000001000-0x000000021fffffff] [ 0.000000] Reserved but unavailable: 98 pages [ 0.000000] ACPI: PM-Timer IO Port: 0xb008 [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.000000] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.000000] Using ACPI (MADT) for SMP configuration information [ 0.000000] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.000000] PM: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.000000] PM: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.000000] PM: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.000000] PM: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.000000] PM: Registered nosave memory: [mem 0xbfff3000-0xbfffffff] [ 0.000000] PM: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.000000] PM: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.000000] e820: [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.000000] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.000000] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:1 [ 0.000000] setup_percpu: pcpu_fc_alloc(0, 0000000000200000, 0000000000200000)=ffff88021fc00000 [ 0.000000] percpu: Embedded 74 pages/cpu @ (ptrval) s262216 r8192 d32696 u1048576 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 1919867 [ 0.000000] Policy zone: Normal [ 0.000000] Kernel command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n ftrace_dump_on_oops=orig_cpu oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 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 nopcid [ 0.000000] Memory: 7434056K/7863876K available (149520K kernel code, 4553K rwdata, 7568K rodata, 4464K init, 9660K bss, 429820K reserved, 0K cma-reserved) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 [ 0.000000] Kernel/User page tables isolation: enabled [ 0.000000] __START_KERNEL_map: ffffffff80000000, end (__bss_stop): ffffffff8be8e000 [ 0.000000] __bss: ffffffff8b51f000-ffffffff8be8e000, __data: ffffffff8ac00000-ffffffff8b072580 [ 0.000000] upper start: ffff880000000000, end: ffff88000be8e000 [ 0.000000] Starting KernelMemorySanitizer [ 0.000000] Hierarchical RCU implementation. [ 0.000000] RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2. [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 0.000000] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 0.000000] Console: colour VGA+ 80x25 [ 0.000000] console [ttyS0] enabled [ 0.000000] console [ttyS0] enabled [ 0.000000] bootconsole [earlyser0] disabled [ 0.000000] bootconsole [earlyser0] disabled [ 0.000000] ACPI: Core revision 20180313 [ 0.000000] ------------[ cut here ]------------ [ 0.000000] kernel BUG at mm/kmsan/kmsan.c:1039! [ 0.000000] invalid opcode: 0000 [#1] SMP PTI [ 0.000000] Dumping ftrace buffer: [ 0.000000] (ftrace buffer empty) [ 0.000000] Modules linked in: [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.17.0+ #13 [ 0.000000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 0.000000] RIP: 0010:kmsan_acpi_map+0x1a2/0x1b0 [ 0.000000] RSP: 0000:ffffffff8ac0fb20 EFLAGS: 00010002 [ 0.000000] RAX: 0000000000000003 RBX: ffffea00047ffc40 RCX: ffff88021fff12e0 [ 0.000000] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000007 [ 0.000000] RBP: ffffffff8ac0fb60 R08: 0000000000000000 R09: 0000000000000000 [ 0.000000] R10: ffffc9003fffffff R11: ffffc9000000efff R12: ffffffff8ac372c0 [ 0.000000] R13: 0000000000007000 R14: 0000000000000007 R15: 0000000000000246 [ 0.000000] FS: 0000000000000000(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000 [ 0.000000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.000000] CR2: ffff88021ffff000 CR3: 000000000ac30000 CR4: 00000000000406b0 [ 0.000000] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 0.000000] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 0.000000] Call Trace: [ 0.000000] ? ioremap_cache+0x7d/0x90 [ 0.000000] acpi_os_map_iomem+0x58e/0xad0 [ 0.000000] ? _cond_resched+0x3c/0xd0 [ 0.000000] acpi_os_map_memory+0x68/0x80 [ 0.000000] acpi_tb_acquire_table+0x168/0x380 [ 0.000000] acpi_tb_validate_temp_table+0x18a/0x25a [ 0.000000] ? acpi_reallocate_root_table+0x384/0x575 [ 0.000000] acpi_tb_verify_temp_table+0xd8/0xc00 [ 0.000000] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 0.000000] acpi_reallocate_root_table+0x384/0x575 [ 0.000000] acpi_early_init+0x137/0x4e0 [ 0.000000] ? numa_policy_init+0x80d/0x830 [ 0.000000] start_kernel+0xf76/0x1120 [ 0.000000] x86_64_start_kernel+0xe4/0xf0 [ 0.000000] secondary_startup_64+0xa5/0xb0 [ 0.000000] Code: 48 83 c4 20 5b 41 5c 41 5e 41 5f 5d c3 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 eb fe 0f 0b 66 90 66 2e 0f 1f 84 00 00 00 00 00 eb fe <0f> 0b eb fe 0f 0b eb fe 66 0f 1f 44 00 00 c3 0f 1f 44 00 00 66 [ 0.000000] RIP: kmsan_acpi_map+0x1a2/0x1b0 RSP: ffffffff8ac0fb20 [ 0.000000] random: get_random_bytes called from oops_exit+0xbb/0x170 with crng_init=0 [ 0.000000] ---[ end trace 948d5ae18e28f664 ]--- [ 0.000000] Kernel panic - not syncing: Fatal exception [ 0.000000] Dumping ftrace buffer: [ 0.000000] (ftrace buffer empty) [ 0.000000] Rebooting in 86400 seconds..