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SubjectOops 0002
icebox regression # ./memkmemport_test
Testing denied write of /dev/mem... : FAILED
Testing denied mmap write of /dev/kmem... : FAILED
Testing denied open of /dev/port... : FAILED
<1>Unable to handle kernel NULL pointer dereference at virtual address
printing eip:
*pde = 00000000
Oops: 0002 [#3]
CPU: 0
EIP: 0060:[<c0387645>] Tainted: PF
EFLAGS: 00010246
eax: 00000000 ebx: 00000004 ecx: 00000004 edx: 00000000
esi: 080487eb edi: 00000000 ebp: 080487ef esp: d0f55e80
ds: 007b es: 007b ss: 0068
Process memkmemport_tes (pid: 7355, threadinfo=d0f54000 task=dbdd0c80)
Stack: 00000004 00000004 efd516c0 c02b7523 ef5aa9c0 00000004 00000000 c02b6a48
00000000 080487eb 00000004 e69cd140 c02b6dd0 00000004 e69cd160 080487eb
c02b6e39 e69cd140 00000000 00000000 080487eb 00000004 e69cd160 e69cd140
Call Trace: [<c02b7523>] [<c02b6a48>] [<c02b6dd0>] [<c02b6e39>]
[<c02b6dd0>] [<c01ed0e8>] [<c01ed212>] [<c019d417>] [<c019d42f>]
Code: f3 aa 58 59 e9 fc 4c f0 ff b8 f2 ff ff ff e9 b3 9e f0 ff b8
Segmentation fault

regression tools that I pulled out of the cvs and tested on a PaX patched kernel AND a kernel that I'm working a bit on (without pax), neither should oops. I don't readily reboot to run vanillas. This is a NULL dereference INSIDE the kernel, right? Something's broke, and it does this on 2.6.1-rc2 so whatever it is is probably still broke.


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