[ 0.000000][ T0] Linux version 5.10.0-rc6-next-20201203-syzkaller (syzkaller@syzkaller) (gcc (GCC) 10.1.0-syz 20200507, GNU ld (GNU Binutils for Ubuntu) 2.26.1) #0 SMP PREEMPT now [ 0.000000][ T0] Command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 [ 0.000000][ T0] KERNEL supported cpus: [ 0.000000][ T0] Intel GenuineIntel [ 0.000000][ T0] AMD AuthenticAMD [ 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 0x0000000100000000-0x000000023fffffff] usable [ 0.000000][ T0] printk: bootconsole [earlyser0] enabled [ 0.000000][ T0] ERROR: earlyprintk= earlyser already used [ 0.000000][ T0] ERROR: earlyprintk= earlyser already used [ 0.000000][ T0] ERROR: earlyprintk= earlyser already used [ 0.000000][ T0] nopcid: PCID feature disabled [ 0.000000][ T0] Malformed early option 'vsyscall' [ 0.000000][ T0] Malformed early option 'vsyscall' [ 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 [ 0.000000][ T0] kvm-clock: cpu 0, msr e4b4001, primary cpu clock [ 0.000008][ T0] kvm-clock: using sched offset of 3191670374 cycles [ 0.001240][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.006134][ T0] tsc: Detected 2300.000 MHz processor [ 0.011752][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.013277][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.015534][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.022774][ T0] found SMP MP-table at [mem 0x000f25a0-0x000f25af] [ 0.024503][ T0] Using GB pages for direct mapping [ 0.027978][ T0] ACPI: Early table checksum verification disabled [ 0.029655][ T0] ACPI: RSDP 0x00000000000F2320 000014 (v00 Google) [ 0.030737][ T0] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.032973][ T0] ACPI: FACP 0x00000000BFFFF340 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.034755][ T0] ACPI: DSDT 0x00000000BFFFDA80 0018BA (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.036640][ T0] ACPI: FACS 0x00000000BFFFDA40 000040 [ 0.037831][ T0] ACPI: FACS 0x00000000BFFFDA40 000040 [ 0.038796][ T0] ACPI: SRAT 0x00000000BFFFFE70 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.041391][ T0] ACPI: APIC 0x00000000BFFFFDC0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.044006][ T0] ACPI: SSDT 0x00000000BFFFF440 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.046367][ T0] ACPI: WAET 0x00000000BFFFFE40 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.048530][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.049709][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.050828][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.052339][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.053999][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.055329][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.057925][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff] [ 0.060519][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000013fffffff] (5120MB) [ 0.062365][ T0] Faking node 1 at [mem 0x0000000140000000-0x000000023fffffff] (4096MB) [ 0.064907][ T0] NODE_DATA(0) allocated [mem 0x13fffb000-0x13fffffff] [ 0.066712][ T0] NODE_DATA(1) allocated [mem 0x23fff8000-0x23fffcfff] [ 0.124440][ T0] Zone ranges: [ 0.125045][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.126871][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.128761][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.130092][ T0] Device empty [ 0.130741][ T0] Movable zone start for each node [ 0.131822][ T0] Early memory node ranges [ 0.132619][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.133897][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.136698][ T0] node 0: [mem 0x0000000100000000-0x000000013fffffff] [ 0.138217][ T0] node 1: [mem 0x0000000140000000-0x000000023fffffff] [ 0.139987][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000013fffffff] [ 0.141729][ T0] DMA: Zeroed struct page in unavailable ranges: 97 [ 0.165956][ T0] DMA32: Zeroed struct page in unavailable ranges: 3 [ 0.175190][ T0] Initmem setup node 1 [mem 0x0000000140000000-0x000000023fffffff] [ 0.661482][ T0] kasan: KernelAddressSanitizer initialized [ 0.663237][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.663925][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.665065][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.667647][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.669384][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.671488][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.673284][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.675431][ T0] Using ACPI (MADT) for SMP configuration information [ 0.677057][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.678413][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.680137][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.681981][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.684628][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.686760][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.688239][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.690014][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.692470][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.694129][ T0] Booting paravirtualized kernel on KVM [ 0.695654][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.760409][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:2 nr_node_ids:2 [ 0.762898][ T0] percpu: Embedded 64 pages/cpu s223304 r8192 d30648 u1048576 [ 0.764653][ T0] kvm-guest: stealtime: cpu 0, msr b9e1fb80 [ 0.765815][ T0] kvm-guest: PV spinlocks enabled [ 0.766924][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.768650][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2064262 [ 0.770637][ T0] Policy zone: Normal [ 0.771400][ T0] Kernel command line: earlyprintk=serial oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 ima_policy=tcb watchdog_thresh=55 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 rcupdate.rcu_expedited=1 root=/dev/sda console=ttyS0 vsyscall=native BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 [ 0.793345][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 0.826146][ T0] page:ffffea0000000000 is uninitialized and poisoned [ 0.826165][ T0] raw: ffffffffffffffff ffffea0000000008 ffffea0000000008 ffffffffffffffff [ 0.829686][ T0] raw: ffffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffff [ 0.831564][ T0] page dumped because: VM_BUG_ON_PAGE(1 && PageCompound(page)) [ 0.832944][ T0] ------------[ cut here ]------------ [ 0.834244][ T0] kernel BUG at include/linux/page-flags.h:356! [ 0.835624][ T0] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 0.837176][ T0] CPU: 0 PID: 0 Comm: swapper Not tainted 5.10.0-rc6-next-20201203-syzkaller #0 [ 0.839213][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 0.841103][ T0] RIP: 0010:reserve_bootmem_region+0xc8/0x128 [ 0.842479][ T0] Code: e8 03 42 80 3c 30 00 74 08 48 89 ef e8 a1 54 c3 f8 48 8b 45 00 0f ba e0 10 73 11 48 c7 c6 00 e9 55 89 48 89 ef e8 08 53 b1 f8 <0f> 0b 4c 89 e8 48 c1 e8 03 42 80 3c 30 00 74 08 4c 89 ef e8 70 54 [ 0.847211][ T0] RSP: 0000:ffffffff8b007d98 EFLAGS: 00010096 [ 0.848614][ T0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 0.850580][ T0] RDX: ffffffff8b09b000 RSI: ffffffff88b71174 RDI: 0000000000000003 [ 0.851930][ T0] RBP: ffffea0000000000 R08: ffffffffffffffff R09: 0000000000000001 [ 0.854126][ T0] R10: ffffffff88b7111b R11: 0000000000000000 R12: 0000000000000010 [ 0.856156][ T0] R13: ffffea0000000008 R14: dffffc0000000000 R15: ffffffff8b007e20 [ 0.857733][ T0] FS: 0000000000000000(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 [ 0.860003][ T0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.861664][ T0] CR2: ffff88823ffff000 CR3: 000000000b08e000 CR4: 00000000000406b0 [ 0.863779][ T0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 0.866116][ T0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 0.867689][ T0] Call Trace: [ 0.868563][ T0] memblock_free_all+0xf0/0x2c7 [ 0.869595][ T0] ? dmar_table_detect+0x67/0x67 [ 0.872875][ T0] ? clkdev_alloc+0x100/0x100 [ 0.873548][ T0] ? reset_all_zones_managed_pages+0x5f/0x5f [ 0.874471][ T0] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 0.875489][ T0] ? swiotlb_init_with_tbl+0x1db/0x1ee [ 0.876300][ T0] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 0.877628][ T0] mem_init+0x1d/0x2b5 [ 0.878399][ T0] mm_init+0xa4/0xcc [ 0.878955][ T0] start_kernel+0x184/0x491 [ 0.879713][ T0] secondary_startup_64_no_verify+0xb0/0xbb [ 0.880559][ T0] Modules linked in: [ 0.881169][ T0] random: get_random_bytes called from oops_exit+0x58/0x80 with crng_init=0 [ 0.881177][ T0] ---[ end trace 9fcd7b4745fb867f ]--- [ 0.883609][ T0] RIP: 0010:reserve_bootmem_region+0xc8/0x128 [ 0.884569][ T0] Code: e8 03 42 80 3c 30 00 74 08 48 89 ef e8 a1 54 c3 f8 48 8b 45 00 0f ba e0 10 73 11 48 c7 c6 00 e9 55 89 48 89 ef e8 08 53 b1 f8 <0f> 0b 4c 89 e8 48 c1 e8 03 42 80 3c 30 00 74 08 4c 89 ef e8 70 54 [ 0.887414][ T0] RSP: 0000:ffffffff8b007d98 EFLAGS: 00010096 [ 0.888218][ T0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 0.889709][ T0] RDX: ffffffff8b09b000 RSI: ffffffff88b71174 RDI: 0000000000000003 [ 0.890805][ T0] RBP: ffffea0000000000 R08: ffffffffffffffff R09: 0000000000000001 [ 0.892155][ T0] R10: ffffffff88b7111b R11: 0000000000000000 R12: 0000000000000010 [ 0.893329][ T0] R13: ffffea0000000008 R14: dffffc0000000000 R15: ffffffff8b007e20 [ 0.894566][ T0] FS: 0000000000000000(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 [ 0.896116][ T0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.897383][ T0] CR2: ffff88823ffff000 CR3: 000000000b08e000 CR4: 00000000000406b0 [ 0.898871][ T0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 0.900263][ T0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 0.901426][ T0] Kernel panic - not syncing: Fatal exception [ 0.902677][ T0] Rebooting in 86400 seconds..