Re: cred_guard_mutex vs seq_file::lock [was: Re: 3.14.0+/x86: lockdep and mutexes not getting along]

[Kirill A. Shutemov]

On Thu, Jul 31, 2014 at 01:31:30AM +0300, Kirill A. Shutemov wrote:
> I don't know why we allow "chmod +x" on some proc files, notably net-related.
> Is it a bug?

# ls -l /proc/{1,157}/net/packet
-r--r--r-- 1 root 0 0 Jul 30 23:01 /proc/1/net/packet
-r--r--r-- 1 root 0 0 Jul 30 23:01 /proc/157/net/packet
# chmod +x /proc/157/net/packet
# ls -l /proc/{1,157}/net/packet
-r-xr-xr-x 1 root 0 0 Jul 30 23:02 /proc/1/net/packet
-r-xr-xr-x 1 root 0 0 Jul 30 23:02 /proc/157/net/packet

Ouch.. Or is it expected?

-- 
 Kirill A. Shutemov
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