Re: [PATCH 1/2] proc: fix to check name length in proc_lookup_de()

[Chao Yu]

On 2023/2/3 7:41, Andrew Morton wrote:
> [patch 1/2]: Alexey wasn't keen on the v1 patch.  What changed?

I replied to Alexey's comments on v1, but still didn't get any
feedback, so I just rebase the code to last -next. Sorry, too rush
to missed to add change log on v2.

> [patch 2/2]: What is the benefit from this change?

Block size is mismatch in between results of stat() and statfs(),
this patch tries to fix this issue.

stat  /proc/
   File: /proc/
   Size: 0         	Blocks: 0          IO Block: 1024   directory
Device: 14h/20d	Inode: 1           Links: 310
Access: (0555/dr-xr-xr-x)  Uid: (    0/    root)   Gid: (    0/    root)
Access: 2023-01-28 23:14:20.491937242 +0800
Modify: 2023-01-28 23:14:20.491937242 +0800
Change: 2023-01-28 23:14:20.491937242 +0800
  Birth: -

stat -f  /proc/
   File: "/proc/"
     ID: 0        Namelen: 255     Type: proc
Block size: 4096       Fundamental block size: 4096
Blocks: Total: 0          Free: 0          Available: 0
Inodes: Total: 0          Free: 0