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From: Carlos O'Donell <carlos@systemhalted.org>
To: parisc-linux@lists.parisc-linux.org
Cc: James Bottomley <James.Bottomley@steeleye.com>
Subject: Re: [parisc-linux] [RFC] Fix compat_sys_timer_create kernel security hole.
Date: Mon, 1 Aug 2005 23:42:23 -0400	[thread overview]
Message-ID: <20050802034219.GB9703@systemhalted.org> (raw)
In-Reply-To: <20050802001505.GA9703@systemhalted.org>

On Mon, Aug 01, 2005 at 08:15:09PM -0400, Carlos O'Donell wrote:
> On Mon, Aug 01, 2005 at 12:42:54PM -0400, Carlos O'Donell wrote:
> > parisc,
> > 
> > Another crash. Remember in the compat case that the source and destination
> > addresses may have sr's both set to zero since you are copying into a 
> > temporary kernel structure.
> > 
> > Backtrace:
> >  [<0000000010325ef4>] copy_to_user+0x34/0x40
> >  [<00000000101711dc>] sys_timer_create+0x294/0x8c8
> >  [<00000000101836f4>] compat_sys_timer_create+0x74/0xa8
> >  [<0000000010107f8c>] syscall_exit+0x0/0x14
> 
> Found my own bug. 

James Bottomley deserves credit here :)

c.

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      reply	other threads:[~2005-08-02  3:42 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-08-01 15:15 [parisc-linux] pa_memcpy kernel crashing testcase == "glibc +nptl +testsuite", and some tests Carlos O'Donell
2005-08-01 16:42 ` Carlos O'Donell
2005-08-02  0:15   ` [parisc-linux] [RFC] Fix compat_sys_timer_create kernel security hole Carlos O'Donell
2005-08-02  3:42     ` Carlos O'Donell [this message]

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