kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 7812 Comm: syz-executor870 Not tainted 5.0.0-rc7-next-20190220 #39
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__dentry_path+0x49e/0x7c0 fs/d_path.c:344
Code: 89 fc 41 83 e4 01 44 89 e6 e8 3e f5 b1 ff 45 84 e4 0f 85 04 02 00 00 e8 f0 f3 b1 ff 48 8b 85 18 ff ff ff 44 89 bd 40 ff ff ff <80> 38 00 0f 85 f9 02 00 00 48 8b 85 38 ff ff ff 41 83 e7 01 44 89
RSP: 0018:ffff8881e1d4fad8 EFLAGS: 00010293
RAX: dffffc0000000005 RBX: 0000000000000000 RCX: ffffffff81be5ec2
RDX: 0000000000000000 RSI: ffffffff81be5ed0 RDI: 0000000000000001
RBP: ffff8881e1d4fbc8 R08: ffff8881dc2103c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8881e1d4fba0 R14: ffff8881b72a997e R15: 0000000000005fbe
FS:  00007f48fa8f1700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa97ee38000 CR3: 00000001b3da3000 CR4: 00000000001426e0
Call Trace:
 dentry_path_raw+0x26/0x30 fs/d_path.c:371
 kvm_uevent_notify_change.part.0+0x213/0x440 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4057
 kvm_uevent_notify_change arch/x86/kvm/../../../virt/kvm/kvm_main.c:4024 [inline]
 kvm_dev_ioctl_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:3362 [inline]
 kvm_dev_ioctl+0x1041/0x15e0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3384
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:509 [inline]
 do_vfs_ioctl+0xd6e/0x1390 fs/ioctl.c:696
 ksys_ioctl+0xab/0xd0 fs/ioctl.c:713
 __do_sys_ioctl fs/ioctl.c:720 [inline]
 __se_sys_ioctl fs/ioctl.c:718 [inline]
 __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:718
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4463c9
Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f48fa8f0db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000006dac28 RCX: 00000000004463c9
RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000005
RBP: 00000000006dac20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dac2c
R13: 00007ffce4a93b4f R14: 00007f48fa8f19c0 R15: 0000000000000000
Modules linked in:
---[ end trace 420963dad7b37feb ]---
RIP: 0010:__dentry_path+0x49e/0x7c0 fs/d_path.c:344
Code: 89 fc 41 83 e4 01 44 89 e6 e8 3e f5 b1 ff 45 84 e4 0f 85 04 02 00 00 e8 f0 f3 b1 ff 48 8b 85 18 ff ff ff 44 89 bd 40 ff ff ff <80> 38 00 0f 85 f9 02 00 00 48 8b 85 38 ff ff ff 41 83 e7 01 44 89
RSP: 0018:ffff8881e1d4fad8 EFLAGS: 00010293
RAX: dffffc0000000005 RBX: 0000000000000000 RCX: ffffffff81be5ec2
RDX: 0000000000000000 RSI: ffffffff81be5ed0 RDI: 0000000000000001
RBP: ffff8881e1d4fbc8 R08: ffff8881dc2103c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8881e1d4fba0 R14: ffff8881b72a997e R15: 0000000000005fbe
FS:  00007f48fa8f1700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa97ee39000 CR3: 00000001b3da3000 CR4: 00000000001426e0