From: Andreas Schwab <schwab@suse.de>
To: Olaf Hering <olh@suse.de>
Cc: linux-kernel@vger.kernel.org, Andrew Morton <akpm@osdl.org>
Subject: Re: /bin/ls: cannot read symbolic link /proc/$$/exe: Permission denied
Date: Tue, 17 Aug 2004 01:34:13 +0200 [thread overview]
Message-ID: <je4qn28xoq.fsf@sykes.suse.de> (raw)
In-Reply-To: <20040816223938.GA9133@suse.de> (Olaf Hering's message of "Tue, 17 Aug 2004 00:39:38 +0200")
Olaf Hering <olh@suse.de> writes:
> On Mon, Aug 16, Olaf Hering wrote:
>
>>
>> For some reasons ls -l /proc/$$/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?
Andreas.
--
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux AG, Maxfeldstraße 5, 90409 Nürnberg, Germany
Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
next prev parent reply other threads:[~2004-08-16 23:34 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-16 13:37 Olaf Hering
2004-08-16 22:19 ` Olaf Hering
2004-08-16 22:39 ` Olaf Hering
2004-08-16 23:34 ` Andreas Schwab [this message]
2004-08-17 5:23 ` Olaf Hering
2004-08-17 8:50 ` Andreas Schwab
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