general protection fault, probably for non-canonical address 0xdffffc000000002a: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000150-0x0000000000000157]
CPU: 1 PID: 27281 Comm: syz-executor.3 Not tainted 5.6.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__lock_acquire+0xde0/0x3740 kernel/locking/lockdep.c:4214
Code: c7 44 24 04 01 00 00 00 0f 86 de 00 00 00 89 05 26 53 bc 09 e9 d3 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 <80> 3c 02 00 0f 85 83 21 00 00 48 81 7d 00 80 b8 e2 8a 0f 84 e4 f2
RSP: 0018:ffffc900054d77b8 EFLAGS: 00010002
RAX: dffffc0000000000 RBX: ffff8880a92f6280 RCX: 0000000000000000
RDX: 000000000000002a RSI: 0000000000000000 RDI: 0000000000000150
RBP: 0000000000000150 R08: 0000000000000001 R09: 0000000000000000
R10: ffffffff89bcec87 R11: fffffbfff1379d90 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f5e3b139700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000b90004 CR3: 0000000073ffc000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 lock_acquire+0x1e3/0x970 kernel/locking/lockdep.c:4923
 down_write+0x8e/0x150 kernel/locking/rwsem.c:1531
 inode_lock include/linux/fs.h:797 [inline]
 start_creating+0x7f/0x1f0 fs/debugfs/inode.c:334
 __debugfs_create_file+0x33/0x380 fs/debugfs/inode.c:383
 kvm_arch_create_vcpu_debugfs+0x49/0x1c0 arch/x86/kvm/debugfs.c:48
 kvm_create_vcpu_debugfs arch/x86/kvm/../../../virt/kvm/kvm_main.c:2985 [inline]
 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:3062 [inline]
 kvm_vm_ioctl+0x15bf/0x1eb0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3582
 vfs_ioctl fs/ioctl.c:47 [inline]
 ksys_ioctl+0xb8/0x110 fs/ioctl.c:763
 __do_sys_ioctl fs/ioctl.c:772 [inline]
 __se_sys_ioctl fs/ioctl.c:770 [inline]
 __x64_sys_ioctl+0x6a/0xb0 fs/ioctl.c:770
 do_syscall_64+0xc6/0x620 arch/x86/entry/common.c:295
 entry_SYSCALL_64_after_hwframe+0x49/0xb3
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:00007f5e3b138c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000004e73c0 RCX: 000000000045ca29
RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004
RBP: 000000000078bfa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000396 R14: 00000000004c62c6 R15: 00007f5e3b1396d4
Modules linked in:
---[ end trace b193319797617e06 ]---
RIP: 0010:__lock_acquire+0xde0/0x3740 kernel/locking/lockdep.c:4214
Code: c7 44 24 04 01 00 00 00 0f 86 de 00 00 00 89 05 26 53 bc 09 e9 d3 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 <80> 3c 02 00 0f 85 83 21 00 00 48 81 7d 00 80 b8 e2 8a 0f 84 e4 f2
RSP: 0018:ffffc900054d77b8 EFLAGS: 00010002
RAX: dffffc0000000000 RBX: ffff8880a92f6280 RCX: 0000000000000000
RDX: 000000000000002a RSI: 0000000000000000 RDI: 0000000000000150
RBP: 0000000000000150 R08: 0000000000000001 R09: 0000000000000000
R10: ffffffff89bcec87 R11: fffffbfff1379d90 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f5e3b139700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000b90004 CR3: 0000000073ffc000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400