Buffer I/O error on dev loop0, logical block 77, lost async page write
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kernel BUG at arch/x86/kvm/mmu.c:3279!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 12318 Comm: syz-executor.2 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:ffff888041247698 EFLAGS: 00010206
RAX: 0000000000040000 RBX: ffff888041247770 RCX: ffffc90009ec6000
RDX: 00000000000030d0 RSI: ffffffff810f6b22 RDI: 0000000000000007
RBP: ffff888041247760 R08: ffff8880909b4080 R09: ffffed1008a4db92
R10: ffffed1008a4db91 R11: ffff88804526dc8b R12: 000000000000010a
R13: 0000000000000000 R14: 0000000000047505 R15: 0000000000000001
FS:  00007f2908055700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000a95b9000 CR4: 00000000001426e0
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:00007f2908054c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000004e7fc0 RCX: 000000000045ca29
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 000000000000000b
RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000003c6 R14: 00000000004c6703 R15: 00007f29080556d4
Modules linked in:
---[ end trace 47dbc87e63624a58 ]---
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:ffff888041247698 EFLAGS: 00010206
attempt to access beyond end of device
RAX: 0000000000040000 RBX: ffff888041247770 RCX: ffffc90009ec6000
loop0: rw=1, want=79, limit=63
RDX: 00000000000030d0 RSI: ffffffff810f6b22 RDI: 0000000000000007
RBP: ffff888041247760 R08: ffff8880909b4080 R09: ffffed1008a4db92
Buffer I/O error on dev loop0, logical block 78, lost async page write
R10: ffffed1008a4db91 R11: ffff88804526dc8b R12: 000000000000010a
R13: 0000000000000000 R14: 0000000000047505 R15: 0000000000000001
FS:  00007f2908055700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000a95b9000 CR4: 00000000001426e0
attempt to access beyond end of device