[rsbac] kernel oops accessing /dev/log

[Amon Ott]

On Donnerstag 09 Februar 2006 17:28, Vincent Danen wrote:
> * Amon Ott <ao at rsbac.org> [2006-02-09 08:39:34 +0100]:
> 
> > On Donnerstag 09 Februar 2006 02:15, Vincent Danen wrote:
> > > > Hi everyone.  I've got a bit of a problem with rsbac 1.2.5.1 
and 
> > kernel
> > > > 2.4.32.  When I try to "ls /dev/log" or run initlog (which a 
> > number of
> > > > initscripts do), I'm getting a segfault of the application and 
a 
> > kernel
> > > > oops printed to the screen:
> > > > 
> > > > 
> > > >  <1>Unable to handle kernel NULL pointer dereference at 
virtual 
> > address
> > > > 00000001
> > > >  printing eip:
> > > > c0146885
> > > > *pde = 2f042067
> > > > *pte = 00000000
> > > > Oops: 0000
> > > > CPU:    0
> > > > EIP:    0010:[<c0146885>]    Not tainted
> > > > EFLAGS: 00010202
> > > > eax: 00000001   ebx: 0000000f   ecx: ef0c845c   edx: ef1c0f60
> > > > esi: 00000000   edi: bffffa0c   ebp: ece63fbc   esp: ece63f40
> > > > ds: 0018   es: 0018   ss: 0018
> > > > Process initlog (pid: 827, stackpage=ece63000)
> > > > Stack: f0bc2d99 ef1d7238 00000002 ef4cf800 ef1d7238 c0146b49 
> > 08051380
> > > > 00000000 
> > > >        ef195860 ece63f98 f0bbf987 ef1d7258 ef195840 08051380 
> > 00000292
> > > > ef190901 
> > > >        0000009e ef6ec2c0 ef195860 ef195840 ef1c0f60 effe9360 
> > ef6ec2c0
> > > > ef195840 
> > > > Call Trace:    [<f0bc2d99>] [<c0146b49>] [<f0bbf987>] 
[<c0108bf3>]
> > > > 
> > > > Code: 83 38 01 0f 84 47 ff ff ff 8d 81 20 01 00 00 bb 0b 00 00 
00 
> > 
> > Do you still have the System.map for this kernel, so that we can 
> > translate the addresses to functions?
> 
> I do.  I've never done that before tho, so what am I looking for?  
Or do
> you want to look at the System.map file yourself?  I've never really
> looked at that before.

You can mail it to me. It lists all function addresses, so you can 
look at the EIP and the call trace to find which function it was in.
 
Amon.
-- 
http://www.rsbac.org - GnuPG: 2048g/5DEAAA30 2002-10-22
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