From: Olaf Hering <olh@suse.de>
To: Andreas Schwab <schwab@suse.de>
Cc: linux-kernel@vger.kernel.org, Andrew Morton <akpm@osdl.org>
Subject: Re: /bin/ls: cannot read symbolic link /proc/$$/exe: Permission denied
Date: Tue, 17 Aug 2004 07:23:02 +0200 [thread overview]
Message-ID: <20040817052302.GA11448@suse.de> (raw)
In-Reply-To: <je4qn28xoq.fsf@sykes.suse.de>
On Tue, Aug 17, Andreas Schwab wrote:
> Olaf Hering <olh@suse.de> writes:
>
> > On Mon, Aug 16, Olaf Hering wrote:
> >
> >>
> >> For some reasons ls -l /proc/$$/exe doesnt work all time for me,
> >> with 2.6.8.1 on ppc64. Sometimes it does, sometimes not. No pattern.
> >> A few printks show that this check in proc_pid_readlink() triggers
> >> an -EACCES:
> >>
> >> current->fsuid != inode->i_uid
> >>
> >> proc_pid_readlink(755) error -13 ntptrace(11408) fsuid 100 i_uid 0 0
> >> sys_readlink(281) ntptrace(11408) error -13 readlink
> >
> > A better one, clear both new fields, just in case.
>
> memset?
perhaps too expensive, no idea.
--
USB is for mice, FireWire is for men!
sUse lINUX ag, nÜRNBERG
next prev parent reply other threads:[~2004-08-17 5:23 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-16 13:37 /bin/ls: cannot read symbolic link /proc/$$/exe: Permission denied Olaf Hering
2004-08-16 22:19 ` Olaf Hering
2004-08-16 22:39 ` Olaf Hering
2004-08-16 23:34 ` Andreas Schwab
2004-08-17 5:23 ` Olaf Hering [this message]
2004-08-17 8:50 ` Andreas Schwab
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