sshd (4389) used greatest stack depth: 16424 bytes left kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 4434 Comm: syzkaller087285 Not tainted 4.16.0+ #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:msr_write_intercepted arch/x86/kvm/vmx.c:2126 [inline] RIP: 0010:vmx_vcpu_run+0xa2f/0x25f0 arch/x86/kvm/vmx.c:9884 RSP: 0018:ffff8801b7d7f380 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: 0000000010000000 RCX: ffffffff811f62cf RDX: 0000000000000000 RSI: ffffffff811f62dc RDI: 0000000000000005 RBP: ffff8801b8260140 R08: ffff8801b7dca180 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007fd885018700(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000001b9b05000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: Code: 00 00 00 10 89 de e8 d1 c7 57 00 85 db 0f 84 91 00 00 00 e8 b4 c6 57 00 48 8b 54 24 08 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 36 19 00 00 48 8b 04 24 48 8b 98 40 57 00 00 RIP: msr_write_intercepted arch/x86/kvm/vmx.c:2126 [inline] RSP: ffff8801b7d7f380 RIP: vmx_vcpu_run+0xa2f/0x25f0 arch/x86/kvm/vmx.c:9884 RSP: ffff8801b7d7f380 ---[ end trace 6f54c85d45fd385a ]--- BUG: unable to handle kernel paging request at 0000000041b5e1f3 Kernel panic - not syncing: Fatal exception PGD 1bab5f067 P4D 1bab5f067 PUD 0 Oops: 0000 [#2] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 0 PID: 4423 Comm: syzkaller087285 Tainted: G D 4.16.0+ #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:msr_write_intercepted arch/x86/kvm/vmx.c:2126 [inline] RIP: 0010:vmx_vcpu_run+0xa3d/0x25f0 arch/x86/kvm/vmx.c:9884 RSP: 0018:ffff8801b5a4f380 EFLAGS: 00010046 ================================================================== BUG: KASAN: stack-out-of-bounds in __show_regs.cold.7+0x4e/0x54a arch/x86/kernel/process_64.c:79 Read of size 8 at addr ffff8801b5a4f300 by task syzkaller087285/4423 CPU: 0 PID: 4423 Comm: syzkaller087285 Tainted: G D 4.16.0+ #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: The buggy address belongs to the page: page:ffffea0006d693c0 count:0 mapcount:0 mapping:0000000000000000 index:0x0 flags: 0x2fffc0000000000() raw: 02fffc0000000000 0000000000000000 0000000000000000 00000000ffffffff raw: 0000000000000000 ffffea0006d60101 0000000000000000 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff8801b5a4f200: f2 f2 f2 f2 00 f2 f2 f2 f2 f2 f2 f2 00 f2 f2 f2 ffff8801b5a4f280: f3 f3 f3 f3 f2 f2 f8 f2 f2 f2 f2 f2 f2 f2 00 00 >ffff8801b5a4f300: f2 f2 f3 f3 f3 f3 00 00 00 00 00 00 00 00 00 00 ^ ffff8801b5a4f380: f1 f1 f1 f1 00 f2 f2 f2 f2 f2 f2 f2 00 f2 f2 f2 ffff8801b5a4f400: f2 f2 f2 f2 00 f2 f2 f2 f3 f3 f3 f3 00 00 00 00 ================================================================== Shutting down cpus with NMI Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..