BUG: unable to handle kernel paging request at 0000000100000137
IP: __lock_acquire+0xd8/0x1430 kernel/locking/lockdep.c:3315
PGD 0 P4D 0 
Oops: 0002 [#1] SMP
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 4111 Comm: syz-executor7 Not tainted 4.15.0-rc3-next-20171214+ #67
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__lock_acquire+0xd8/0x1430 kernel/locking/lockdep.c:3315
RSP: 0018:ffffc900013579e0 EFLAGS: 00010006
RAX: 00000000ffffffff RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801fc512cb8
RBP: ffffc90001357ab0 R08: 0000000000000001 R09: ffffffff8121b4f4
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801fc53a540 R14: 0000000000000001 R15: ffff8801fc512cb8
FS:  0000000000000000(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000137 CR3: 000000000301e003 CR4: 00000000001606e0
DR0: 0000000020001000 DR1: 0000000020001000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 lock_acquire+0xbf/0x220 kernel/locking/lockdep.c:3914
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x56/0x70 kernel/locking/spinlock.c:152
 remove_wait_queue+0x14/0x60 kernel/sched/wait.c:50
 ep_remove_wait_queue fs/eventpoll.c:595 [inline]
 ep_unregister_pollwait.isra.7+0x79/0x1f0 fs/eventpoll.c:613
 ep_remove+0x22/0x180 fs/eventpoll.c:776
 eventpoll_release_file+0x63/0xa0 fs/eventpoll.c:1001
 eventpoll_release include/linux/eventpoll.h:66 [inline]
 __fput+0x232/0x270 fs/file_table.c:200
 ____fput+0x15/0x20 fs/file_table.c:243
 task_work_run+0xa3/0xe0 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0x3e6/0x1050 kernel/exit.c:869
 do_group_exit+0x60/0x100 kernel/exit.c:972
 get_signal+0x36c/0xad0 kernel/signal.c:2337
 do_signal+0x23/0x670 arch/x86/kernel/signal.c:809
 exit_to_usermode_loop+0x13c/0x160 arch/x86/entry/common.c:161
 prepare_exit_to_usermode arch/x86/entry/common.c:195 [inline]
 syscall_return_slowpath+0x1b4/0x1e0 arch/x86/entry/common.c:264
 entry_SYSCALL_64_fastpath+0x94/0x96
RIP: 0033:0x452a09
RSP: 002b:00007f9c6dc89ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000071bec8 RCX: 0000000000452a09
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000071bec8
RBP: 000000000071bec8 R08: 000000000000005f R09: 000000000071bea0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000a2f7ff R14: 00007f9c6dc8a9c0 R15: 0000000000000000
Code: ff ff e8 6c db ff ff 48 85 c0 4c 8b 8d 60 ff ff ff 44 8b 9d 48 ff ff ff 44 8b 95 40 ff ff ff 8b 8d 3c ff ff ff 0f 84 6d 03 00 00 <f0> ff 80 38 01 00 00 8b 1d 33 4e d4 02 45 8b 85 68 08 00 00 85 
RIP: __lock_acquire+0xd8/0x1430 kernel/locking/lockdep.c:3315 RSP: ffffc900013579e0
CR2: 0000000100000137
---[ end trace a903e4966b65382f ]---