kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 20 Comm: kdevtmpfs Not tainted 4.9.98-g63a812b #17
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801d9ae8000 task.stack: ffff8801d9af0000
RIP: 0010:[<ffffffff81e06fca>]  [<ffffffff81e06fca>] bdev_get_queue include/linux/blkdev.h:847 [inline]
RIP: 0010:[<ffffffff81e06fca>]  [<ffffffff81e06fca>] blk_get_backing_dev_info+0x4a/0x70 block/blk-core.c:118
RSP: 0018:ffff8801d9af78a0  EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 00000000000000a6 RSI: ffffffff81e06f8d RDI: 0000000000000530
RBP: ffff8801d9af78a8 R08: ffff8801d9ae8910 R09: 0000000000000001
R10: 0000000000000000 R11: 1ffff1003b35d11d R12: ffff8801d618af90
R13: ffff8801d618b068 R14: ffff8801d618afb8 R15: ffffffff83cced60
FS:  0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f31e4e66000 CR3: 00000001cd557000 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffff8801da09a200 ffff8801d9af78c8 ffffffff81600625 ffff8801d618af90
 ffff8801d618af90 ffff8801d9af78e8 ffffffff8160a707 ffff8801d618af90
 ffff8801d618b110 ffff8801d9af7920 ffffffff815cbdd3 ffff8801d618af90
Call Trace:
 [<ffffffff81600625>] inode_to_bdi include/linux/backing-dev.h:186 [inline]
 [<ffffffff81600625>] inode_to_wb include/linux/backing-dev.h:454 [inline]
 [<ffffffff81600625>] inode_to_wb_and_lock_list+0xc5/0xf0 fs/fs-writeback.c:912
 [<ffffffff8160a707>] inode_io_list_del+0x17/0x40 fs/fs-writeback.c:993
 [<ffffffff815cbdd3>] evict+0x103/0x4f0 fs/inode.c:540
 [<ffffffff815cc991>] iput_final fs/inode.c:1516 [inline]
 [<ffffffff815cc991>] iput+0x371/0x900 fs/inode.c:1543
 [<ffffffff81632da0>] bdput fs/block_dev.c:761 [inline]
 [<ffffffff81632da0>] bd_forget+0xf0/0x1a0 fs/block_dev.c:812
 [<ffffffff815cc08f>] evict+0x3bf/0x4f0 fs/inode.c:559
 [<ffffffff815cc991>] iput_final fs/inode.c:1516 [inline]
 [<ffffffff815cc991>] iput+0x371/0x900 fs/inode.c:1543
 [<ffffffff815b85da>] dentry_unlink_inode+0x2aa/0x4f0 fs/dcache.c:370
 [<ffffffff815baf5e>] d_delete+0x1ce/0x290 fs/dcache.c:2371
 [<ffffffff81593cbd>] vfs_unlink2+0x37d/0x490 fs/namei.c:4023
 [<ffffffff81593df7>] vfs_unlink+0x27/0x30 fs/namei.c:4032
 [<ffffffff82578c25>] handle_remove+0x415/0x720 drivers/base/devtmpfs.c:327
 [<ffffffff825797d4>] handle drivers/base/devtmpfs.c:373 [inline]
 [<ffffffff825797d4>] devtmpfsd+0x334/0x470 drivers/base/devtmpfs.c:397
 [<ffffffff8119ad5d>] kthread+0x26d/0x300 kernel/kthread.c:211
 [<ffffffff839f481c>] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:373
Code: 89 fa 48 c1 ea 03 80 3c 02 00 75 35 48 8b 9b e0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 30 05 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 17 48 8b 83 30 05 00 00 5b 5d 48 05 28 02 00 00 
RIP  [<ffffffff81e06fca>] bdev_get_queue include/linux/blkdev.h:847 [inline]
RIP  [<ffffffff81e06fca>] blk_get_backing_dev_info+0x4a/0x70 block/blk-core.c:118
 RSP <ffff8801d9af78a0>
---[ end trace 92d19ca927c03c09 ]---