IDTR:                           limit=0x0000ffff, base=0x0000000000000000
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 6315 Comm: syz-executor5 Not tainted 4.14.0-rc7-next-20171103+ #38
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801c4e0e040 task.stack: ffff8801c5b98000
RIP: 0010:__lock_acquire+0xdac/0x4770 kernel/locking/lockdep.c:3378
RSP: 0018:ffff8801c5b9e2d0 EFLAGS: 00010002
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 000000000000001a RSI: 0000000000000000 RDI: ffffffff85ecb380
RBP: ffff8801c5b9e7d8 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff8744cca0 R12: ffff8801c4e0e040
R13: 0000000000000000 R14: 0000000000000001 R15: 00000000000000d0
FS:  00007f697d90a700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020af5000 CR3: 00000001ca617000 CR4: 00000000001426f0
DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004
 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
 _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:150
 spin_lock include/linux/spinlock.h:315 [inline]
 inode_free_security security/selinux/hooks.c:347 [inline]
 selinux_inode_free_security+0x12a/0x410 security/selinux/hooks.c:2891
 security_inode_free+0x50/0x90 security/security.c:443
 __destroy_inode+0x287/0x650 fs/inode.c:236
 destroy_inode+0xe7/0x200 fs/inode.c:263
 evict+0x57e/0x920 fs/inode.c:570
 iput_final fs/inode.c:1515 [inline]
 iput+0x7b9/0xaf0 fs/inode.c:1542
 fsnotify_put_mark+0x4e8/0x740 fs/notify/mark.c:227
 fsnotify_clear_marks_by_group+0x19a/0x5f0 fs/notify/mark.c:690
 fsnotify_destroy_group+0xde/0x3f0 fs/notify/group.c:70
 inotify_release+0x37/0x50 fs/notify/inotify/inotify_user.c:280
 __fput+0x333/0x7f0 fs/file_table.c:210
 ____fput+0x15/0x20 fs/file_table.c:244
 task_work_run+0x199/0x270 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0x9b5/0x1ad0 kernel/exit.c:869
 do_group_exit+0x149/0x400 kernel/exit.c:972
 get_signal+0x73f/0x16d0 kernel/signal.c:2333
 do_signal+0x94/0x1ee0 arch/x86/kernel/signal.c:809
 exit_to_usermode_loop+0x214/0x310 arch/x86/entry/common.c:158
 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
 syscall_return_slowpath+0x42f/0x510 arch/x86/entry/common.c:266
 entry_SYSCALL_64_fastpath+0xbc/0xbe
RIP: 0033:0x452869
RSP: 002b:00007f697d909ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00000000007581b8 RCX: 0000000000452869
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000007581b8
RBP: 00000000007581b8 R08: 0000000000000427 R09: 0000000000758190
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000a6f7ff R14: 00007f697d90a9c0 R15: 0000000000000016
Code: e9 03 f3 48 ab 48 81 c4 e0 04 00 00 44 89 f0 5b 41 5c 41 5d 41 5e 41 5f 5d c3 4c 89 fa 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 bf 33 00 00 49 81 3f 80 87 87 86 41 be 00 00 
RIP: __lock_acquire+0xdac/0x4770 kernel/locking/lockdep.c:3378 RSP: ffff8801c5b9e2d0
---[ end trace a00f188f8f98b891 ]---