general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 1 PID: 674 Comm: syz-executor.2 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+0xd4/0x2c0 fs/debugfs/inode.c:335
Code: bf e0 00 00 00 49 03 3f e8 e9 54 4a 05 41 80 3c 2e 00 74 08 4c 89 ff e8 ca b1 e5 fe 49 8b 1f 48 83 c3 0c 48 89 d8 48 c1 e8 03 <8a> 04 28 84 c0 0f 85 a5 01 00 00 8b 1b 89 de 83 e6 10 31 ff e8 83
RSP: 0018:ffffc90021a3fcd8 EFLAGS: 00010203
RAX: 0000000000000001 RBX: 000000000000000c RCX: ffffffff88182b3d
RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff888015f68668
RBP: dffffc0000000000 R08: dffffc0000000000 R09: ffffed1002bed0ce
R10: ffffed1002bed0ce R11: 0000000000000000 R12: ffffffff88e6319b
R13: ffff8880199af450 R14: 1ffff11003335e96 R15: ffff8880199af4b0
FS:  00007f0b39e2a700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0b39e28178 CR3: 000000020a334000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __debugfs_create_file+0x74/0x480 fs/debugfs/inode.c:383
 kvm_arch_create_vcpu_debugfs+0x5b/0x1b0 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+0x1cfd/0x2680 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3617
 vfs_ioctl fs/ioctl.c:47 [inline]
 ksys_ioctl fs/ioctl.c:771 [inline]
 __do_sys_ioctl fs/ioctl.c:780 [inline]
 __se_sys_ioctl+0xf9/0x160 fs/ioctl.c:778
 do_syscall_64+0xf3/0x1b0 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:00007f0b39e29c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000004e7960 RCX: 000000000045ca59
RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000006
RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 000000000000039c R14: 00000000004c635c R15: 00007f0b39e2a6d4
Modules linked in:
---[ end trace acc86ffab8b4ae7a ]---
RIP: 0010:start_creating+0xd4/0x2c0 fs/debugfs/inode.c:335
Code: bf e0 00 00 00 49 03 3f e8 e9 54 4a 05 41 80 3c 2e 00 74 08 4c 89 ff e8 ca b1 e5 fe 49 8b 1f 48 83 c3 0c 48 89 d8 48 c1 e8 03 <8a> 04 28 84 c0 0f 85 a5 01 00 00 8b 1b 89 de 83 e6 10 31 ff e8 83
RSP: 0018:ffffc90021a3fcd8 EFLAGS: 00010203
RAX: 0000000000000001 RBX: 000000000000000c RCX: ffffffff88182b3d
RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff888015f68668
RBP: dffffc0000000000 R08: dffffc0000000000 R09: ffffed1002bed0ce
R10: ffffed1002bed0ce R11: 0000000000000000 R12: ffffffff88e6319b
R13: ffff8880199af450 R14: 1ffff11003335e96 R15: ffff8880199af4b0
FS:  00007f0b39e2a700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c003eecd40 CR3: 000000020a334000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400