linux-kernel - Re: 2.6.24-rc4-mm1 and /proc/<pid>/status Name: field

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Message-ID: <m1wsrpq1j8.fsf@ebiederm.dsl.xmission.com>
Date:	Fri, 07 Dec 2007 20:59:55 -0700
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Zan Lynx <zlynx@....org>, linux-kernel@...r.kernel.org
Subject: Re: 2.6.24-rc4-mm1 and /proc/<pid>/status Name: field

Andrew Morton <akpm@...ux-foundation.org> writes:

> On Fri, 07 Dec 2007 20:26:43 +0000
> Zan Lynx <zlynx@....org> wrote:
>
>> Today I noticed pgrep doesn't work.  It seems the reason is a missing
>> Name: tag in the status file for a process in /proc.
>> 
>> # cat /proc/1/status
>> init
>> State:  S (sleeping)
>> Tgid:   1
>> Pid:    1
>> PPid:   0
>> TracerPid:      0
>> ...etc, etc...
>> 
>> This is supposed to look like:
>> # cat /proc/1/status
>> Name:	init
>> State:	S (sleeping)
>> Tgid:	1
>> Pid:	1
>> PPid:	0
>> TracerPid:	0
>> ...
>> 
>
> Thanks.  Two (more) bugs in
> proc-seqfile-convert-proc_pid_status-to-properly-handle-pid-namespaces.patch

Doh!  How did I get that one confused?

Thanks.
Eric


>
> ---
> a/fs/proc/array.c~proc-seqfile-convert-proc_pid_status-to-properly-handle-pid-namespaces-fix-3
> +++ a/fs/proc/array.c
> @@ -98,9 +98,9 @@ static inline void task_name(struct seq_
>  
>  	get_task_comm(tcomm, p);
>  
> +	seq_printf(m, "Name:\t");
>  	end = m->buf + m->size;
>  	buf = m->buf + m->count;
> -	seq_printf(m, "Name:\n");
>  	name = tcomm;
>  	i = sizeof(tcomm);
>  	while (i && (buf < end)) {
> _
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