------------[ cut here ]------------ kernel BUG at arch/x86/kvm/mmu.c:3195! invalid opcode: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 8435 Comm: syz-executor.4 Not tainted 4.14.160-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff888047452500 task.stack: ffff888047c50000 RIP: 0010:transparent_hugepage_adjust+0x3b6/0x450 arch/x86/kvm/mmu.c:3195 RSP: 0018:ffff888047c57898 EFLAGS: 00010216 RAX: 0000000000040000 RBX: ffff888047c57978 RCX: ffffc9000c04d000 RDX: 0000000000015e25 RSI: ffffffff810d1fe6 RDI: ffff88804a001090 RBP: ffff888047c578d8 R08: 0000000000004a02 R09: ffffffff89584a50 R10: ffff888047452dd0 R11: ffff888047452500 R12: ffff888047c57968 R13: 0000000000048d63 R14: ffff8880937f0200 R15: 0000000000048d69 FS: 00007f6f08a73700(0000) GS:ffff8880aec00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000000a9b92000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: tdp_page_fault+0x485/0x5a0 arch/x86/kvm/mmu.c:4057 kvm_mmu_page_fault+0x10d/0x300 arch/x86/kvm/mmu.c:5063 handle_ept_violation+0x157/0x440 arch/x86/kvm/vmx.c:6918 vmx_handle_exit+0x20d/0x1330 arch/x86/kvm/vmx.c:9191 kobject: 'loop3' (ffff8880a41a25e0): kobject_uevent_env vcpu_enter_guest+0xf28/0x5220 arch/x86/kvm/x86.c:7306 kobject: 'loop3' (ffff8880a41a25e0): fill_kobj_path: path = '/devices/virtual/block/loop3' vcpu_run arch/x86/kvm/x86.c:7369 [inline] kvm_arch_vcpu_ioctl_run+0x318/0x1000 arch/x86/kvm/x86.c:7536 kvm_vcpu_ioctl+0x401/0xd10 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2661 kobject: 'kvm' (ffff8880a770ca10): kobject_uevent_env kobject: 'kvm' (ffff8880a770ca10): fill_kobj_path: path = '/devices/virtual/misc/kvm' vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a919 RSP: 002b:00007f6f08a72c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a919 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6f08a736d4 R13: 00000000004c410f R14: 00000000004d9818 R15: 00000000ffffffff Code: fd ff ff 48 89 45 c8 e8 a9 2f 50 00 48 8b 45 c8 48 8d 48 ff e9 08 fe ff ff 48 89 df e8 14 bd 7a 00 e9 8c fc ff ff e8 8a 2f 50 00 <0f> 0b 48 8b 7d c8 e8 ff bc 7a 00 e9 6c fd ff ff e8 d5 bc 7a 00 RIP: transparent_hugepage_adjust+0x3b6/0x450 arch/x86/kvm/mmu.c:3195 RSP: ffff888047c57898 ---[ end trace 3df24d9850ef05a2 ]---