[    0.000000][    T0] Linux version 5.8.0-next-20200813-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 rodata=n oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 security=apparmor lsm=lockdown,yama,safesetid,integrity,tomoyo,apparmor,bpf 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 rcupdate.rcu_expedited=1
[    0.000000][    T0] KERNEL supported cpus:
[    0.000000][    T0]   Intel GenuineIntel
[    0.000000][    T0]   AMD AuthenticAMD
[    0.000000][    T0]   Centaur CentaurHauls
[    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
[    0.000003][    T0] kvm-clock: cpu 0, msr bf6a001, primary cpu clock
[    0.000003][    T0] kvm-clock: using sched offset of 3534894262 cycles
[    0.001628][    T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns
[    0.005258][    T0] tsc: Detected 2300.000 MHz processor
[    0.008131][    T0] last_pfn = 0x220000 max_arch_pfn = 0x400000000
[    0.009436][    T0] x86/PAT: Configuration [0-7]: WB  WC  UC- UC  WB  WP  UC- WT  
[    0.011735][    T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000
[    0.019764][    T0] found SMP MP-table at [mem 0x000f2370-0x000f237f]
[    0.021552][    T0] check: Scanning 1 areas for low memory corruption
[    0.023052][    T0] Using GB pages for direct mapping
[    0.026401][    T0] ACPI: Early table checksum verification disabled
[    0.027740][    T0] ACPI: RSDP 0x00000000000F20F0 000014 (v00 Google)
[    0.028923][    T0] ACPI: RSDT 0x00000000BFFFFFC0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001)
[    0.030989][    T0] ACPI: FACP 0x00000000BFFFF380 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001)
[    0.034213][    T0] ACPI: DSDT 0x00000000BFFFDAC0 0018BA (v01 Google GOOGDSDT 00000001 GOOG 00000001)
[    0.036200][    T0] ACPI: FACS 0x00000000BFFFDA80 000040
[    0.038044][    T0] ACPI: FACS 0x00000000BFFFDA80 000040
[    0.039737][    T0] ACPI: SRAT 0x00000000BFFFFEB0 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001)
[    0.041990][    T0] ACPI: APIC 0x00000000BFFFFE00 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001)
[    0.044963][    T0] ACPI: SSDT 0x00000000BFFFF480 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001)
[    0.047195][    T0] ACPI: WAET 0x00000000BFFFFE80 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001)
[    0.049918][    T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0
[    0.051661][    T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0
[    0.053325][    T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff]
[    0.055360][    T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff]
[    0.056895][    T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x21fffffff]
[    0.058806][    T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff]
[    0.062313][    T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x21fffffff] -> [mem 0x00000000-0x21fffffff]
[    0.064889][    T0] Faking node 0 at [mem 0x0000000000000000-0x000000012fffffff] (4864MB)
[    0.066495][    T0] Faking node 1 at [mem 0x0000000130000000-0x000000021fffffff] (3840MB)
[    0.069110][    T0] NODE_DATA(0) allocated [mem 0x12fffb000-0x12fffffff]
[    0.071199][    T0] NODE_DATA(1) allocated [mem 0x21fff8000-0x21fffcfff]
[    0.123475][    T0] Zone ranges:
[    0.124361][    T0]   DMA      [mem 0x0000000000001000-0x0000000000ffffff]
[    0.126804][    T0]   DMA32    [mem 0x0000000001000000-0x00000000ffffffff]
[    0.128864][    T0]   Normal   [mem 0x0000000100000000-0x000000021fffffff]
[    0.130054][    T0]   Device   empty
[    0.131180][    T0] Movable zone start for each node
[    0.135252][    T0] Early memory node ranges
[    0.136690][    T0]   node   0: [mem 0x0000000000001000-0x000000000009efff]
[    0.138193][    T0]   node   0: [mem 0x0000000000100000-0x00000000bfffcfff]
[    0.140115][    T0]   node   0: [mem 0x0000000100000000-0x000000012fffffff]
[    0.141879][    T0]   node   1: [mem 0x0000000130000000-0x000000021fffffff]
[    0.143031][    T0] Zeroed struct page in unavailable ranges: 101 pages
[    0.143040][    T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000012fffffff]
[    0.173486][    T0] Initmem setup node 1 [mem 0x0000000130000000-0x000000021fffffff]
[    0.611158][    T0] kasan: KernelAddressSanitizer initialized
[    0.613182][    T0] ACPI: PM-Timer IO Port: 0xb008
[    0.614309][    T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
[    0.616565][    T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23
[    0.619185][    T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)
[    0.621147][    T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[    0.622964][    T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
[    0.624840][    T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
[    0.627298][    T0] Using ACPI (MADT) for SMP configuration information
[    0.629015][    T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs
[    0.631134][    T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]
[    0.633840][    T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff]
[    0.636760][    T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff]
[    0.639688][    T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff]
[    0.641269][    T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff]
[    0.643606][    T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff]
[    0.645029][    T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff]
[    0.646396][    T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices
[    0.648246][    T0] Booting paravirtualized kernel on KVM
[    0.649134][    T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[    0.705528][    T0] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:2
[    0.709641][    T0] percpu: Embedded 65 pages/cpu s226696 r8192 d31352 u1048576
[    0.711996][    T0] kvm-guest: PV spinlocks enabled
[    0.713781][    T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear)
[    0.716524][    T0] Built 2 zonelists, mobility grouping on.  Total pages: 1935238
[    0.718540][    T0] Policy zone: Normal
[    0.719708][    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 net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 security=apparmor lsm=lockdown,yama,safesetid,integrity,tomoyo,apparmor,bpf 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 rcupdate.rcu_expedited=1
[    0.742091][    T0] mem auto-init: stack:off, heap alloc:on, heap free:off
[    1.473023][    T0] Memory: 6458876K/7863916K available (116743K kernel code, 18258K rwdata, 21644K rodata, 2812K init, 25364K bss, 1404784K reserved, 0K cma-reserved)
[    1.481373][    T0] Running RCU self tests
[    1.482724][    T0] rcu: Preemptible hierarchical RCU implementation.
[    1.484671][    T0] rcu: 	RCU lockdep checking is enabled.
[    1.486661][    T0] rcu: 	RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2.
[    1.488166][    T0] rcu: 	RCU callback double-/use-after-free debug enabled.
[    1.490078][    T0] rcu: 	RCU debug extended QS entry/exit.
[    1.491659][    T0] 	All grace periods are expedited (rcu_expedited).
[    1.493669][    T0] 	Trampoline variant of Tasks RCU enabled.
[    1.495066][    T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.
[    1.498082][    T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2
[    1.506988][    T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16
[    1.509334][    T0] random: get_random_bytes called from start_kernel+0x23b/0x46a with crng_init=0
[    1.513891][    T0] Console: colour VGA+ 80x25
[    1.518731][    T0] printk: console [ttyS0] enabled
[    1.518731][    T0] printk: console [ttyS0] enabled
[    1.521352][    T0] printk: bootconsole [earlyser0] disabled
[    1.521352][    T0] printk: bootconsole [earlyser0] disabled
[    1.524841][    T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
[    1.528310][    T0] ... MAX_LOCKDEP_SUBCLASSES:  8
[    1.530223][    T0] ... MAX_LOCK_DEPTH:          48
[    1.532025][    T0] ... MAX_LOCKDEP_KEYS:        8192
[    1.533859][    T0] ... CLASSHASH_SIZE:          4096
[    1.535410][    T0] ... MAX_LOCKDEP_ENTRIES:     32768
[    1.537047][    T0] ... MAX_LOCKDEP_CHAINS:      65536
[    1.538800][    T0] ... CHAINHASH_SIZE:          32768
[    1.539933][    T0]  memory used by lock dependency info: 6301 kB
[    1.541107][    T0]  memory used for stack traces: 4224 kB
[    1.542701][    T0]  per task-struct memory footprint: 1920 bytes
[    1.544829][    T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl
[    1.547649][    T0] ACPI: Core revision 20200717
[    1.549507][    T0] APIC: Switch to symmetric I/O mode setup
[    1.551790][    T0] x2apic enabled
[    1.553960][    T0] Switched APIC routing to physical x2apic.
[    1.558313][    T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1
[    1.560018][    T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns
[    1.562729][    T0] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000)
[    1.566184][    T0] pid_max: default: 32768 minimum: 301
[    1.568655][    T0] LSM: Security Framework initializing
[    1.572744][    T0] LSM: security= is ignored because it is superseded by lsm=
[    1.574897][    T0] Yama: becoming mindful.
[    1.576251][    T0] TOMOYO Linux initialized
[    1.579037][    T0] AppArmor: AppArmor initialized
[    1.580260][    T0] LSM support for eBPF active
[    1.589134][    T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc)
[    1.594512][    T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc)
[    1.597462][    T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc)
[    1.600027][    T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc)
[    1.605506][    T0] ------------[ cut here ]------------
[    1.607520][    T0] WARNING: CPU: 0 PID: 0 at mm/memcontrol.c:5226 mem_cgroup_css_alloc+0x535/0x1c30
[    1.610163][    T0] Kernel panic - not syncing: panic_on_warn set ...
[    1.612071][    T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.8.0-next-20200813-syzkaller #0
[    1.612719][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[    1.612719][    T0] Call Trace:
[    1.612719][    T0]  dump_stack+0x18f/0x20d
[    1.612719][    T0]  panic+0x2e3/0x75c
[    1.612719][    T0]  ? __warn_printk+0xf3/0xf3
[    1.612719][    T0]  ? printk+0xba/0xed
[    1.612719][    T0]  ? log_store.cold+0x16/0x16
[    1.612719][    T0]  ? __warn.cold+0x5/0x4a
[    1.612719][    T0]  ? __warn+0xd6/0x1f2
[    1.612719][    T0]  ? mem_cgroup_css_alloc+0x535/0x1c30
[    1.612719][    T0]  __warn.cold+0x20/0x4a
[    1.612719][    T0]  ? mem_cgroup_css_alloc+0x535/0x1c30
[    1.612719][    T0]  report_bug+0x1bd/0x210
[    1.612719][    T0]  handle_bug+0x38/0x90
[    1.612719][    T0]  exc_invalid_op+0x14/0x40
[    1.612719][    T0]  asm_exc_invalid_op+0x12/0x20
[    1.612719][    T0] RIP: 0010:mem_cgroup_css_alloc+0x535/0x1c30
[    1.612719][    T0] Code: 01 00 48 8d bb 48 14 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 74 81 e8 a0 79 c0 f9 e9 77 ff ff ff <0f> 0b e9 21 fc ff ff 48 89 ef e8 3c af c5 f9 48 b8 00 00 00 00 00
[    1.612719][    T0] RSP: 0000:ffffffff89a07e20 EFLAGS: 00010246
[    1.612719][    T0] RAX: dffffc0000000000 RBX: ffffffff89a99dc0 RCX: 1ffff110436f4c28
[    1.612719][    T0] RDX: 1ffffffff1353641 RSI: ffffffff83b2f532 RDI: ffffffff89a9b208
[    1.612719][    T0] RBP: ffff88821b7a6000 R08: 0000000000000001 R09: ffff8880a9c06b6f
[    1.612719][    T0] R10: 0000000000000000 R11: ffffffff810000d4 R12: ffffffff8abb6bb4
[    1.612719][    T0] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff8abb6bd0
[    1.612719][    T0]  ? secondary_startup_64+0xa4/0xb0
[    1.612719][    T0]  ? idr_alloc+0xe2/0x130
[    1.612719][    T0]  ? lockdep_init_map_waits+0x26a/0x8a0
[    1.612719][    T0]  ? __offline_pages+0xfb0/0xfb0
[    1.612719][    T0]  cgroup_init_subsys+0x215/0x4d7
[    1.612719][    T0]  cgroup_init+0x359/0xa63
[    1.612719][    T0]  ? trace_init_perf_perm_irq_work_exit+0xe/0xe
[    1.612719][    T0]  start_kernel+0x426/0x46a
[    1.612719][    T0]  secondary_startup_64+0xa4/0xb0
[    1.612719][    T0] Rebooting in 86400 seconds..