NULL pointer dereference with pre 2.1.37-4

Thorsten Kukuk (kukuk@tk.uni-paderborn.de)
Sun, 4 May 1997 17:21:56 +0200


Hello,

With pre 2.1.37-3 and 2.1.37-4, I get the following Oops when
starting init:

Unable to handle kernel NULL pointer dereference at virtual address 00000000
current->tss.cr3 = 00101000,%cr3=00101000
*pde=00000000
Oops: 0002
CPU: 0
EIP: 0010:[<c01d8ef0>]
EFLAGS: 00010247
eax: 00000000 ebx: 00004000 ecx: 00000000 edx: 00000001
esi: c0107f60 edi: c01da4f2 ebp: c0005fdc esp: c0005fac
ds: 0018 es: 0018 ss: 0018
Process swapper (pid:0, process nr:1, stackpage=c0097000)
Stack: 00001100 c0107f60 c01da4f2 00000001 c0107f60 00000001 00000000 00000005
00000018 00000018 ffffffff c0108440 00000e00 c0108519 00001100 c02137b0
00000000 c021380f 00000000 c02137a4 00000001
Call Trace:
Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

ksymoops:
Using `/src/Linux/linux-2.1/System.map' to map addresses to symbols.

>>EIP: c01d8ef0 <dst_access_fault+1a9/2c16>

Code: c01d8ef0 <dst_access_fault+1a9/2c16>

I have a Tyan Tomcat III Board with 2 Pentium 133Mhz Processors. The kernel
is compiled with gcc 2.7.2.2.

Thorsten

-- 
Thorsten Kukuk  kukuk@vt.uni-paderborn.de
                http://www-vt.uni-paderborn.de/~kukuk
Linux is like a Vorlon.  It is incredibly powerful, gives terse,
cryptic answers and has a lot of things going on in the background.