Re: Fragmentation DoS?

Matti Aarnio (matti.aarnio@zmailer.org)
Sun, 20 Oct 2002 00:07:48 +0300


On Sun, Oct 20, 2002 at 04:18:12AM +0900, date wrote:
...
> Here is the kernel oops message that I grabbed from messages:

This oops report is valid for your system, but provides no usefull
data, as actual memory layouts in different systems do vary. See:

http://www.tux.org/lkml/#s4-3

Then post again.

> general protection fault: 0000
> CPU: 0
> EIP: 0010:[<c0141099>] Not tainted
> EFLAGS: 00010246
> eax: 00000000 ebx: ffffffff ecx: 00000018 edx: c0141080
> esi: c12c3e30 edi: ffffffff ebp: ffffffff esp: cfc95db0
> ds: 0018 es: 0018 ss: 0018
> Process sshd (pid: 59, stackpage=cfc95000)
> Stack: 00000000 c0feb020 c01284ca ffffffff c12c3e30 00000001 00000001
> 000000f0
> c0feb000 c139c1a0 00000080 00000000 00000008 c12c3e30 00000246
> c12c3e38
> 000000f0 c01285f9 c12c3e30 000000f0 c0178612 00000000 00000000
> 00000008
> Call Trace: [<c01284ca>] [<c01285f9>] [<c0178612>] [<c0131a84>]
> [<c0131b46>]
> [<c0131d88>] [<c0132428>] [<c01231fd>] [<c0123298>] [<c0151aa0>]
> [<c01238a5>]
> [<c0123c03>] [<c012403c>] [<c0123f40>] [<c012fd56>] [<c012fca9>]
> [<c01087eb>]
>
> Code: f3 ab c7 43 48 00 00 00 00 8d 53 48 8d 43 4c 89 42 04 89 42
>
> Thanks for your time
>
> - nobu
> -
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