[ 0.000000][ T0] Linux version 5.10.0-rc6-next-20201204-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 ede0001, primary cpu clock [ 0.000004][ T0] kvm-clock: using sched offset of 3311233177 cycles [ 0.000894][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.004180][ T0] tsc: Detected 2300.000 MHz processor [ 0.009378][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.010615][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.011972][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.019507][ T0] found SMP MP-table at [mem 0x000f25a0-0x000f25af] [ 0.020593][ T0] Using GB pages for direct mapping [ 0.023547][ T0] ACPI: Early table checksum verification disabled [ 0.024558][ T0] ACPI: RSDP 0x00000000000F2320 000014 (v00 Google) [ 0.025454][ T0] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.027163][ T0] ACPI: FACP 0x00000000BFFFF340 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.028575][ T0] ACPI: DSDT 0x00000000BFFFDA80 0018BA (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.029972][ T0] ACPI: FACS 0x00000000BFFFDA40 000040 [ 0.030855][ T0] ACPI: FACS 0x00000000BFFFDA40 000040 [ 0.031608][ T0] ACPI: SRAT 0x00000000BFFFFE70 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.032830][ T0] ACPI: APIC 0x00000000BFFFFDC0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.034366][ T0] ACPI: SSDT 0x00000000BFFFF440 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.035858][ T0] ACPI: WAET 0x00000000BFFFFE40 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.037826][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.038630][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.039422][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.040362][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.041244][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.042181][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.043699][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff] [ 0.045263][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000013fffffff] (5120MB) [ 0.046652][ T0] Faking node 1 at [mem 0x0000000140000000-0x000000023fffffff] (4096MB) [ 0.048334][ T0] NODE_DATA(0) allocated [mem 0x13fffb000-0x13fffffff] [ 0.050027][ T0] NODE_DATA(1) allocated [mem 0x23fff8000-0x23fffcfff] [ 0.107568][ T0] Zone ranges: [ 0.108317][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.109326][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.110335][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.111406][ T0] Device empty [ 0.111890][ T0] Movable zone start for each node [ 0.112748][ T0] Early memory node ranges [ 0.113337][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.114442][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.115935][ T0] node 0: [mem 0x0000000100000000-0x000000013fffffff] [ 0.117067][ T0] node 1: [mem 0x0000000140000000-0x000000023fffffff] [ 0.118183][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000013fffffff] [ 0.119643][ T0] DMA: Zeroed struct page in unavailable ranges: 98 [ 0.144084][ T0] DMA32: Zeroed struct page in unavailable ranges: 3 [ 0.153886][ T0] Initmem setup node 1 [mem 0x0000000140000000-0x000000023fffffff] [ 0.642429][ T0] kasan: KernelAddressSanitizer initialized [ 0.643917][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.644710][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.645832][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.647106][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.648157][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.649321][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.650399][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.651461][ T0] Using ACPI (MADT) for SMP configuration information [ 0.652431][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.653576][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.654747][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.655835][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.657192][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.658626][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.659964][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.661277][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.662628][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.663850][ T0] Booting paravirtualized kernel on KVM [ 0.664671][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.729604][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:2 nr_node_ids:2 [ 0.732218][ T0] percpu: Embedded 64 pages/cpu s223240 r8192 d30712 u1048576 [ 0.733541][ T0] kvm-guest: stealtime: cpu 0, msr b9c1fb80 [ 0.734406][ T0] kvm-guest: PV spinlocks enabled [ 0.735082][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.736283][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2064262 [ 0.737648][ T0] Policy zone: Normal [ 0.738193][ 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 [ 0.755500][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 0.794750][ T0] page:(____ptrval____) refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11 [ 0.796241][ T0] flags: 0x7ff00000000000() [ 0.796930][ T0] raw: 007ff00000000000 ffffea0000000448 ffffea0000000448 0000000000000000 [ 0.798325][ T0] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 0.799657][ T0] page dumped because: VM_BUG_ON_PAGE(pfn & ((1 << order) - 1)) [ 0.800763][ T0] ------------[ cut here ]------------ [ 0.801641][ T0] kernel BUG at mm/page_alloc.c:1015! [ 0.802508][ T0] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 0.803446][ T0] CPU: 0 PID: 0 Comm: swapper Not tainted 5.10.0-rc6-next-20201204-syzkaller #0 [ 0.804756][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 0.806756][ T0] RIP: 0010:__free_one_page+0xa49/0xe00 [ 0.807521][ T0] Code: ef e8 ab 39 f7 ff 0f 0b 48 c7 c6 e0 49 76 89 4c 89 ff e8 9a 39 f7 ff 0f 0b 0f 0b 48 c7 c6 40 4a 76 89 4c 89 ff e8 87 39 f7 ff <0f> 0b 48 c7 c6 a0 4a 76 89 4c 89 ff e8 76 39 f7 ff 0f 0b 41 83 fc [ 0.811500][ T0] RSP: 0000:ffffffff8b407c98 EFLAGS: 00010086 [ 0.812395][ T0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 0.813785][ T0] RDX: ffffffff8b49bc00 RSI: ffffffff88c8495e RDI: 0000000000000003 [ 0.814937][ T0] RBP: 0000000000000011 R08: 0000000000000000 R09: 0000000000000001 [ 0.816330][ T0] R10: ffffffff88c84940 R11: 0000000000000000 R12: 0000000000000003 [ 0.817857][ T0] R13: 0000000000000000 R14: 0000000000000003 R15: ffffea0000000440 [ 0.818945][ T0] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 0.820207][ T0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.821283][ T0] CR2: ffff88823ffff000 CR3: 000000000b48e000 CR4: 00000000000406b0 [ 0.822469][ T0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 0.823694][ T0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 0.824797][ T0] Call Trace: [ 0.825268][ T0] free_one_page+0x7b/0x1e0 [ 0.825859][ T0] __free_pages_ok+0x4af/0xec0 [ 0.826506][ T0] memblock_free_all+0x240/0x332 [ 0.827246][ T0] ? reset_all_zones_managed_pages+0x5f/0x5f [ 0.828203][ T0] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 0.829049][ T0] ? swiotlb_init_with_tbl+0x1db/0x1ee [ 0.829808][ T0] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 0.830689][ T0] mem_init+0x1d/0x2b5 [ 0.831325][ T0] mm_init+0xa4/0xcc [ 0.831827][ T0] start_kernel+0x184/0x4bc [ 0.832489][ T0] secondary_startup_64_no_verify+0xb0/0xbb [ 0.833288][ T0] Modules linked in: [ 0.833809][ T0] random: get_random_bytes called from oops_exit+0x58/0x80 with crng_init=0 [ 0.833817][ T0] ---[ end trace adb6e4b978807ca8 ]--- [ 0.836069][ T0] RIP: 0010:__free_one_page+0xa49/0xe00 [ 0.836922][ T0] Code: ef e8 ab 39 f7 ff 0f 0b 48 c7 c6 e0 49 76 89 4c 89 ff e8 9a 39 f7 ff 0f 0b 0f 0b 48 c7 c6 40 4a 76 89 4c 89 ff e8 87 39 f7 ff <0f> 0b 48 c7 c6 a0 4a 76 89 4c 89 ff e8 76 39 f7 ff 0f 0b 41 83 fc [ 0.839933][ T0] RSP: 0000:ffffffff8b407c98 EFLAGS: 00010086 [ 0.841337][ T0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 0.842498][ T0] RDX: ffffffff8b49bc00 RSI: ffffffff88c8495e RDI: 0000000000000003 [ 0.843898][ T0] RBP: 0000000000000011 R08: 0000000000000000 R09: 0000000000000001 [ 0.845682][ T0] R10: ffffffff88c84940 R11: 0000000000000000 R12: 0000000000000003 [ 0.846895][ T0] R13: 0000000000000000 R14: 0000000000000003 R15: ffffea0000000440 [ 0.848140][ T0] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 0.849678][ T0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.850586][ T0] CR2: ffff88823ffff000 CR3: 000000000b48e000 CR4: 00000000000406b0 [ 0.851693][ T0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 0.852817][ T0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 0.853896][ T0] Kernel panic - not syncing: Fatal exception [ 0.855076][ T0] Rebooting in 86400 seconds..