RAX: ffffffffffffffda RBX: 0000000000000013 RCX: 00000000208bdfa8
RDX: 0000000000000058 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
BUG: unable to handle kernel NULL pointer dereference at 000000005601bd6d
IP: qlist_free_all+0x37/0x160 mm/kasan/quarantine.c:163
PGD 1ca46a067 P4D 1ca46a067 PUD 1c2525067 PMD 0 
Oops: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 20959 Comm: syz-executor1 Not tainted 4.15.0-rc1+ #115
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: 00000000a6d01a83 task.stack: 00000000fe7cd843
RIP: 0010:qlist_free_all+0x37/0x160 mm/kasan/quarantine.c:163
RSP: 0018:ffff8801c0f4f450 EFLAGS: 00010246
RAX: ffff8801caecc000 RBX: 0000000000000286 RCX: 0000000000000000
RDX: ffffea00072bb300 RSI: ffffea00071f9b9f RDI: 0000000000000286
RBP: ffff8801c0f4f488 R08: 1ffff100381e9e58 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000001 R14: ffff8801caecc000 R15: ffffffff85ecb440
FS:  0000000000000000(0000) GS:ffff8801db400000(0063) knlGS:00000000f771eb40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000000000105 CR3: 00000001c42d5000 CR4: 00000000001426f0
DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 quarantine_reduce+0x141/0x170 mm/kasan/quarantine.c:259
 kasan_kmalloc+0xca/0xe0 mm/kasan/kasan.c:536
 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:489
 kmem_cache_alloc+0x12e/0x760 mm/slab.c:3547
 kmem_cache_zalloc include/linux/slab.h:678 [inline]
 inode_alloc_security security/selinux/hooks.c:234 [inline]
 selinux_inode_alloc_security+0xf9/0x390 security/selinux/hooks.c:2885
 security_inode_alloc+0x90/0xd0 security/security.c:437
 inode_init_always+0x653/0xca0 fs/inode.c:167
 alloc_inode+0x82/0x180 fs/inode.c:215
 new_inode_pseudo+0x69/0x190 fs/inode.c:890
 new_inode+0x1c/0x40 fs/inode.c:919
 debugfs_get_inode+0x1b/0x120 fs/debugfs/inode.c:37
 __debugfs_create_file+0x98/0x3d0 fs/debugfs/inode.c:355
 debugfs_create_file+0x57/0x70 fs/debugfs/inode.c:402
 kvm_create_vm_debugfs arch/x86/kvm/../../../virt/kvm/kvm_main.c:591 [inline]
 kvm_dev_ioctl_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:3204 [inline]
 kvm_dev_ioctl+0xbb7/0x18a0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3227
 C_SYSC_ioctl fs/compat_ioctl.c:1473 [inline]
 compat_SyS_ioctl+0x151/0x2a30 fs/compat_ioctl.c:1419
 do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline]
 do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389
 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:125
RIP: 0023:0xf7f65c79
RSP: 002b:00000000f771e08c EFLAGS: 00000296 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 000000000000001a RCX: 000000000000ae01
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Code: 55 48 89 e5 41 57 41 56 41 55 41 54 49 c7 c7 40 b4 ec 85 53 49 89 f4 48 83 ec 10 48 89 7d c8 4d 85 e4 4d 89 e5 0f 84 c8 00 00 00 <49> 63 95 04 01 00 00 4c 8b 30 48 29 d0 49 83 3f 00 48 89 c6 0f 
RIP: qlist_free_all+0x37/0x160 mm/kasan/quarantine.c:163 RSP: ffff8801c0f4f450
CR2: 0000000000000105
---[ end trace 7f13f16a97bd8afb ]---