general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 0 PID: 4904 Comm: syz-executor.3 Not tainted 5.7.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:start_creating+0xdc/0x250 fs/debugfs/inode.c:335
Code: fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 49 01 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 73 60 49 8d 7e 0c 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 f6
RSP: 0018:ffffc900162ffab0 EFLAGS: 00010203
RAX: dffffc0000000000 RBX: ffff8880a52f5b80 RCX: ffffffff87ddb64b
RDX: 0000000000000001 RSI: 0000000000000008 RDI: 000000000000000c
RBP: ffffffff8823e9c0 R08: 0000000000000001 R09: ffffed100a28b346
R10: ffff888051459a2f R11: ffffed100a28b345 R12: 0000000000000000
R13: ffff8880a52f5be0 R14: 0000000000000000 R15: 0000000000008124
FS:  00007f7320ccc700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020072000 CR3: 00000000a20d6000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __debugfs_create_file+0x62/0x400 fs/debugfs/inode.c:383
 kvm_arch_create_vcpu_debugfs+0x52/0x200 arch/x86/kvm/debugfs.c:48
 kvm_create_vcpu_debugfs arch/x86/kvm/../../../virt/kvm/kvm_main.c:3012 [inline]
 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:3089 [inline]
 kvm_vm_ioctl+0x1c0b/0x2440 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3617
 vfs_ioctl fs/ioctl.c:47 [inline]
 ksys_ioctl+0x11a/0x180 fs/ioctl.c:771
 __do_sys_ioctl fs/ioctl.c:780 [inline]
 __se_sys_ioctl fs/ioctl.c:778 [inline]
 __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:778
 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:295
 entry_SYSCALL_64_after_hwframe+0x49/0xb3
RIP: 0033:0x45ca59
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:00007f7320ccbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000004e7b80 RCX: 000000000045ca59
RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000007
RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000003a0 R14: 00000000004c6395 R15: 00007f7320ccc6d4
Modules linked in:
---[ end trace b9bd1c022d4eda08 ]---
RIP: 0010:start_creating+0xdc/0x250 fs/debugfs/inode.c:335
Code: fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 49 01 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 73 60 49 8d 7e 0c 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 f6
RSP: 0018:ffffc900162ffab0 EFLAGS: 00010203
RAX: dffffc0000000000 RBX: ffff8880a52f5b80 RCX: ffffffff87ddb64b
RDX: 0000000000000001 RSI: 0000000000000008 RDI: 000000000000000c
RBP: ffffffff8823e9c0 R08: 0000000000000001 R09: ffffed100a28b346
R10: ffff888051459a2f R11: ffffed100a28b345 R12: 0000000000000000
R13: ffff8880a52f5be0 R14: 0000000000000000 R15: 0000000000008124
FS:  00007f7320ccc700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055a825f062e8 CR3: 00000000a20d6000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400