On Thursday 05 April 2001 14:48, Wojciech Kromer wrote:
> > } sh-2.03# uname -a
> > } Linux 192.168.6.204 2.4.2 #3 Thu Apr 5 08:43:16 CEST 2001 ppc unknown
> > } sh-2.03# cd /rt
> > } sh-2.03# insmod rtl
> > } Oops: kernel access of bad area, sig: 11
Hmm...
> .....
> arch_takeover
> ...
What are you trying to do here? (Looks like a virus... ;-)
> {
> unsigned long block[7] = {
> 0x7fe802a6, /* mflr 31 */
> 0x3fc0dead, /* lis 0xdeadbeef@h */
> 0x63debeef, /* ori r30,r30,0xdeadbeef@l */
> 0x7fc803a6, /* mtlr r30 */
> 0x4e800021, /* blrl */
> 0x7fe803a6, /* mtlr r31 */
> 0x4e800020 /* blr */
> };
> block[1] = (block[1]&0xffff0000) |
> (((ulong)rtl_soft_sti>>16)&0xf block[2] = (block[2]&0xffff0000) |
> ((ulong)rtl_soft_sti&0xffff); memcpy( (ulong *)KERNELBASE, &block,
> sizeof(ulong)*7 );
>
> ^^^ it craches here (memcpy is not allowed to kernel code)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Since when? It's worked fine for me so far... :-)
You're just not going to get away with writing to write protected memory
areas, not even from within kernel space.
//David
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