------------[ cut here ]------------ kernel BUG at arch/x86/kvm/mmu.c:3279! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 28719 Comm: syz-executor.0 Not tainted 4.19.124-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:transparent_hugepage_adjust+0x4c2/0x550 arch/x86/kvm/mmu.c:3279 Code: ff e8 f2 1d 58 00 48 8b 44 24 10 48 83 e8 01 48 89 04 24 e9 a3 fd ff ff 48 89 df e8 f8 cb 8d 00 e9 7d fb ff ff e8 ce 1d 58 00 <0f> 0b 48 8b 3c 24 e8 e3 cb 8d 00 e9 af fc ff ff 49 8d 7f 30 e8 c5 RSP: 0018:ffff888049167698 EFLAGS: 00010216 RAX: 0000000000040000 RBX: ffff888049167770 RCX: ffffc90005aa8000 RDX: 00000000000030b5 RSI: ffffffff810f6b22 RDI: 0000000000000007 RBP: ffff888049167760 R08: ffff88804cca84c0 R09: ffffed1004b8a052 R10: ffffed1004b8a051 R11: ffff888025c5028b R12: 000000000000000a R13: 0000000000000000 R14: 0000000000024a05 R15: 0000000000000001 FS: 00007f6a16930700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000009ee7d000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: tdp_page_fault+0x550/0x670 arch/x86/kvm/mmu.c:4196 kvm_mmu_page_fault+0x193/0x12c0 arch/x86/kvm/mmu.c:5342 vmx_handle_exit+0x273/0x16a0 arch/x86/kvm/vmx.c:10165 vcpu_enter_guest arch/x86/kvm/x86.c:7854 [inline] vcpu_run arch/x86/kvm/x86.c:7917 [inline] kvm_arch_vcpu_ioctl_run+0x282c/0x6b70 arch/x86/kvm/x86.c:8117 kvm_vcpu_ioctl+0x493/0xe20 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2814 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcda/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45ca29 Code: 0d b7 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 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f6a1692fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00000000004e7fc0 RCX: 000000000045ca29 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000008 RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000003c6 R14: 00000000004c6703 R15: 00007f6a169306d4 Modules linked in: ---[ end trace fb8f685a2be98e2d ]--- RIP: 0010:transparent_hugepage_adjust+0x4c2/0x550 arch/x86/kvm/mmu.c:3279 Code: ff e8 f2 1d 58 00 48 8b 44 24 10 48 83 e8 01 48 89 04 24 e9 a3 fd ff ff 48 89 df e8 f8 cb 8d 00 e9 7d fb ff ff e8 ce 1d 58 00 <0f> 0b 48 8b 3c 24 e8 e3 cb 8d 00 e9 af fc ff ff 49 8d 7f 30 e8 c5 RSP: 0018:ffff888049167698 EFLAGS: 00010216 RAX: 0000000000040000 RBX: ffff888049167770 RCX: ffffc90005aa8000 RDX: 00000000000030b5 RSI: ffffffff810f6b22 RDI: 0000000000000007 RBP: ffff888049167760 R08: ffff88804cca84c0 R09: ffffed1004b8a052 R10: ffffed1004b8a051 R11: ffff888025c5028b R12: 000000000000000a R13: 0000000000000000 R14: 0000000000024a05 R15: 0000000000000001 FS: 00007f6a16930700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000009ee7d000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400