lkml.org 
[lkml]   [2007]   [Aug]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: do_coredump and O_NOFOLLOW
Bernd Eckenfels wrote:
> In article <46C290F6.2090309@alcatel-lucent.com> you wrote:
>
>> I found that O_NOFOLLOW is used for opened core file in Linux 2.6.10.
>>
>
> I think that is for security reasons, otherwise one has to (atomically)
> check who is the owner of the symlink and where it points to. If you dont
> have hostile users on your system you might be able to remove it, but it is
> not a good idea in the general public.
>
> Maybe we need a coreadm tool like Solaris has, where you can put the
> corefiles where you want. That would change the corepattern to include a
> path and be specific to a process (tree).
>
> Gruss
> Bernd
> -
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/
>
Bernd, Thanks for your reply. I don't think there are any hostile users
on the system. So it's relatively of security. I didn't hear of coreadm
tool before, Linux will become more powerful with coreadm.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-08-15 10:07    [W:0.059 / U:1.264 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site