audit: type=1400 audit(1573160664.373:37): avc:  denied  { map } for  pid=7931 comm="syz-executor659" path="/dev/bus/usb/007/001" dev="devtmpfs" ino=15356 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:usb_device_t:s0 tclass=chr_file permissive=1
------------[ cut here ]------------
kernel BUG at arch/x86/kvm/mmu.c:3188!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 7931 Comm: syz-executor659 Not tainted 4.19.82 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:transparent_hugepage_adjust+0x30b/0x370 arch/x86/kvm/mmu.c:3188
Code: 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 75 71 4c 89 3b e9 64 fd ff ff 4c 89 e7 e8 af 4c 92 00 e9 bd fd ff ff e8 15 b5 5b 00 <0f> 0b 48 89 df e8 bb 4c 92 00 e9 24 fd ff ff 4c 89 ef e8 ae 4c 92
RSP: 0018:ffff888098a37620 EFLAGS: 00010293
RAX: ffff8880945c0480 RBX: ffff888098a376f8 RCX: ffffffff810f1189
RDX: 0000000000000000 RSI: ffffffff810f122b RDI: 0000000000000007
RBP: ffff888098a37660 R08: ffff8880945c0480 R09: ffffed100ff596d2
R10: ffffed100ff596d1 R11: ffff88807facb68b R12: 0000000000000023
R13: ffff888098a37718 R14: 0000000000000000 R15: 0000000000097c29
FS:  0000000001eb3940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000095ac9000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 tdp_page_fault+0x5b1/0x6b0 arch/x86/kvm/mmu.c:4091
 kvm_mmu_page_fault+0x1b1/0x1600 arch/x86/kvm/mmu.c:5240
 handle_ept_violation+0x1d7/0x520 arch/x86/kvm/vmx.c:7697
 vmx_handle_exit+0x276/0x16b0 arch/x86/kvm/vmx.c:10183
 vcpu_enter_guest+0x10ca/0x5ed0 arch/x86/kvm/x86.c:7764
 vcpu_run arch/x86/kvm/x86.c:7827 [inline]
 kvm_arch_vcpu_ioctl_run+0x457/0x16b0 arch/x86/kvm/x86.c:8027
 kvm_vcpu_ioctl+0x4dc/0xf90 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2617
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:501 [inline]
 do_vfs_ioctl+0xd5f/0x1380 fs/ioctl.c:688
 ksys_ioctl+0xab/0xd0 fs/ioctl.c:705
 __do_sys_ioctl fs/ioctl.c:712 [inline]
 __se_sys_ioctl fs/ioctl.c:710 [inline]
 __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:710
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x444459
Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 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 7b d8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffd390a6878 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ffd390a6880 RCX: 0000000000444459
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000006
RBP: 0000000000000000 R08: 0000000000400db0 R09: 0000000000400db0
R10: 0000000000400db0 R11: 0000000000000246 R12: 0000000000402160
R13: 00000000004021f0 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
---[ end trace 0b9b209e2e0b09b3 ]---
RIP: 0010:transparent_hugepage_adjust+0x30b/0x370 arch/x86/kvm/mmu.c:3188
Code: 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 75 71 4c 89 3b e9 64 fd ff ff 4c 89 e7 e8 af 4c 92 00 e9 bd fd ff ff e8 15 b5 5b 00 <0f> 0b 48 89 df e8 bb 4c 92 00 e9 24 fd ff ff 4c 89 ef e8 ae 4c 92
RSP: 0018:ffff888098a37620 EFLAGS: 00010293
RAX: ffff8880945c0480 RBX: ffff888098a376f8 RCX: ffffffff810f1189
RDX: 0000000000000000 RSI: ffffffff810f122b RDI: 0000000000000007
RBP: ffff888098a37660 R08: ffff8880945c0480 R09: ffffed100ff596d2
R10: ffffed100ff596d1 R11: ffff88807facb68b R12: 0000000000000023
R13: ffff888098a37718 R14: 0000000000000000 R15: 0000000000097c29
FS:  0000000001eb3940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000095ac9000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400