L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/l1tf.html for details.
binder: 8016:8023 ERROR: BC_REGISTER_LOOPER called without request
binder: 8023 RLIMIT_NICE not set
binder: 8023 RLIMIT_NICE not set
==================================================================
BUG: KMSAN: uninit-value in vmcs_clear arch/x86/kvm/vmx.c:2119 [inline]
BUG: KMSAN: uninit-value in loaded_vmcs_init+0x343/0x590 arch/x86/kvm/vmx.c:2126
CPU: 1 PID: 8012 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #63
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x306/0x460 lib/dump_stack.c:113
 kmsan_report+0x1a3/0x2d0 mm/kmsan/kmsan.c:917
 __msan_warning+0x7c/0xe0 mm/kmsan/kmsan_instr.c:500
 vmcs_clear arch/x86/kvm/vmx.c:2119 [inline]
 loaded_vmcs_init+0x343/0x590 arch/x86/kvm/vmx.c:2126
 __loaded_vmcs_clear+0x2fb/0x3c0 arch/x86/kvm/vmx.c:2209
 flush_smp_call_function_queue+0x404/0x770 kernel/smp.c:243
 generic_smp_call_function_single_interrupt+0x1f/0x30 kernel/smp.c:192
 smp_call_function_single_interrupt+0x2f7/0x530 arch/x86/kernel/smp.c:296
 call_function_single_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:891
 </IRQ>
RIP: 0010:native_restore_fl arch/x86/include/asm/irqflags.h:40 [inline]
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/irqflags.h:81 [inline]
RIP: 0010:__msan_memset+0xa1/0xf0 mm/kmsan/kmsan_instr.c:320
Code: 4c 89 fa e8 f1 c1 ff ff 31 d2 4c 89 e7 44 89 fe e8 54 c9 ff ff ff 8b 7c 09 00 00 75 3e e8 57 d1 36 ff 4c 89 6d c0 ff 75 c0 9d <65> 48 8b 04 25 28 00 00 00 48 3b 45 d0 75 32 4c 89 f0 48 83 c4 18
RSP: 0018:ffff8801875ff8a8 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff04
RAX: ffff88014a6d74c0 RBX: ffff880143d33c00 RCX: 0000000000000051
RDX: 0000000000000050 RSI: 00000000000004fe RDI: 00000000000004ff
RBP: ffff8801875ff8e8 R08: 0000000000000000 R09: ffff88021fd38f50
R10: 0000000000000000 R11: 0000000000000130 R12: ffffe8ffffc3f4c0
R13: 0000000000000202 R14: ffffe8ffffc3f4c0 R15: 0000000000000140
 pcpu_alloc+0x1e6a/0x26a0 mm/percpu.c:1496
 __alloc_percpu+0x7a/0x90 mm/percpu.c:1558
 init_srcu_struct_fields+0x40d/0x1a30 kernel/rcu/srcutree.c:186
 init_srcu_struct+0x69/0x80 kernel/rcu/srcutree.c:220
 kvm_page_track_init+0x45/0x80 arch/x86/kvm/page_track.c:177
 kvm_arch_init_vm+0x625/0x9e0 arch/x86/kvm/x86.c:8859
 kvm_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:644 [inline]
 kvm_dev_ioctl_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:3189 [inline]
 kvm_dev_ioctl+0x7e3/0x3220 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3241
 vfs_ioctl fs/ioctl.c:46 [inline]
 do_vfs_ioctl+0xcf3/0x2810 fs/ioctl.c:687
 ksys_ioctl fs/ioctl.c:702 [inline]
 __do_sys_ioctl fs/ioctl.c:709 [inline]
 __se_sys_ioctl+0x1da/0x270 fs/ioctl.c:707
 __x64_sys_ioctl+0x4a/0x70 fs/ioctl.c:707
 do_syscall_64+0xbe/0x100 arch/x86/entry/common.c:291
 entry_SYSCALL_64_after_hwframe+0x63/0xe7
RIP: 0033:0x457579
Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f8998f50c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457579
RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000005
RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8998f516d4
R13: 00000000004bfc2e R14: 00000000004cfcb8 R15: 00000000ffffffff

Local variable description: ----error.i@loaded_vmcs_init
Variable was created at:
 loaded_vmcs_init+0x8a/0x590 arch/x86/kvm/vmx.c:2125
 __loaded_vmcs_clear+0x2fb/0x3c0 arch/x86/kvm/vmx.c:2209
==================================================================