[rsbac] fatal problems with rsbac 1.2.0 and samba

[Amon Ott]

On Wednesday, 12. June 2002 23:01, Michal Medvecky wrote:
> since installed rsbac 1.2.0 - 2.4.18 kernel, I'm experiencing weird problem.
> 
> I use to mount my roommate's computer drive via samba. When using kernel 
with
> rsbac, when I try to access the smb volume, process dies, and stays in "D"
> state. It happens with any process (xmms, ls, find, ..., thus it's not 
process-dependent)
> 
> The only log that happens is (dmesg):
> 
> Unable to handle kernel paging request at virtual address e0000000
>  printing eip:
> c018bbb3
> *pde = 00000000
> Oops: 0000
> CPU:    0
> EIP:    0010:[<c018bbb3>]    Not tainted
> EFLAGS: 00210282
> eax: 6cb80e02   ebx: 5594eb9e   ecx: fba123fd   edx: 7c24cf9a
> esi: e0000000   edi: d4c1de00   ebp: d4c1de98   esp: d4c1ddb0
> ds: 0018   es: 0018   ss: 0018
> Process find (pid: 520, stackpage=d4c1d000)
> Stack: c0140910 d4c1de68 e18a6274 00000000 00000000 00000000 00000000 
d6490440 
>        d9e487c0 00dce2ea 0001017a 00dce2ea 00000000 00000000 d61ec000 
00000004 
>        00000000 00000000 00000001 00000006 c018a445 d92fbec0 d4c1dfb0 
c0140910 
> Call Trace: [<c0140910>] [<c018a445>] [<c0140910>] [<c0140910>] 
[<c018a4dc>] 
>    [<c0140910>] [<c018b3bb>] [<c0140910>] [<c0140563>] [<c0140910>] 
[<c0140acf>]
>  
>    [<c0140910>] [<c013feb0>] [<c0106c5f>] 
> 
> Code: 0f b6 06 46 89 c2 c1 e2 04 01 da c1 e8 04 01 c2 8d 04 92 8d 

Please send me your System.map for this kernel.
 
> My machine remains running, but with deadlocked process(es) and I can't use 
any other fs mounted via network.
> 
> This does not happen (= never happens) on 2.4.18 without rsbac. 

You might check without RSBAC network support, just to make sure where it 
happens.
 
Amon.
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