System panic

[KLUXIS <kluxis_(_at_)_free_(_dot_)_fr>]

Hi all,

On the macppc version of OpenBSD 3.4, it is possible for a local user to 
cause a system panic.

***********************************************************************
bsdbox# wsconscfg -e vt100 1
panic: trap type 400 at e07f8800 (end+0e36a220) lr 389d2c
Stopped at       Debugger+0x10:   lwz r0,20(r1)
RUN AT LEAST 'trace' AND 'ps' AND INCLUDE OUTPUT WHEN REPORTING THIS PANIC!
DO NOT EVEN BOTHER REPORTING THIS WITHOUT INCLUDING THAT INFORMATION!
ddb> trace
0044a7ac: pcgpool+0xe0 fp e845ba00 nfp e845ba10
0019fd78: panic+0x140 fp e845ba10 nfp e845bb00
002ead78: trap+0x670 fp e845bb00 nfp e845bbb0
001007c8: trapagain+0x4 fp e845bbb0 nfp e845bc60
001cdee0: vn_lock+0x60 fp e845bc60 nfp e845bc80
003631c8: wsdisplay_addscreen+0x98 fp e845bc80 nfp e845bcb0
00364880: wsdisplay_cfg_ioctl+0x158 fp e845bcb0 nfp e845bcd0
00364164: wsdisplayioctl+0x5c fp e845bcd0 nfp e845bd00
001d82b0: spec_ioctl+0x6c fp e845bd00 nfp e845bd10
001d7818: spec_vnoperate+0x28 fp e845bd10 nfp e845bd20
001ce3c8: VOP_IOCTL+0x48 fp e845bd20 nfp e845bd50
001cddc8: vn_ioctl+0x124 fp e845bd50 nfp e845bdd0
001a5e48: sys_ioctl+0x36c fp e845bdd0 nfp e845bea0
002eabf8: trap+0x4f0 fp e845bea0 nfp e845bf50
001007c8: trapagain+0x4 fp e845bf50 nfp ffff7420
01800bc0: end+0x13725e0 fp ffff7420 nfp ffff74b0
018007c0: end+0x13721e0 fp ffff74b0 nfp ffff74d0
fffffffc: end+0xffb71a1c fp ffff74d0 nfp 0
ddb> ps
    PID      PPID      PGRP      UID      S            FLAGS        
WAIT            COMMAND
*    818     30337       818        0      2           
0x4006                        wsconscfg
  30337         1     30337        0      3           0x4086        
pause           csh
  14840         1     14840        0      3             0x84        
select          cron
   6639         1      6639        0      3             0x84        
select          sshd
  12857         1     12857        0      3          0x40184        
select          sendmail
  13141         1     13141        0      3            0x184        
select          inetd
  31680     11622     11622       73      3            0x184        
select          syslogd
  11622         1     11622        0      3             0x84        
netio           syslogd
     10         0         0        0      3         0x100204        
usbevt          usb1
      9         0         0        0      3         0x100204        
usbtsk          usbtask
      8         0         0        0      3         0x100204        
usbevt          usb0
      7         0         0        0      3         0x100204        
crypto_wa       crypto
      6         0         0        0      3         0x100204        
aiodoned        aiodoned
      5         0         0        0      3         0x100204        
syncer          update
      4         0         0        0      3         0x100204        
cleaner         cleaner
      3         0         0        0      3         0x100204        
reaper          reaper
      2         0         0        0      3         0x100204        
pgdaemon        pgdaemon
      1         0         1        0      3           0x4084        
wait            init
      0        -1         0        0      3          0x80204        
scheduler       swapper
ddb>
***********************************************************************

My configuration : G4(AGP), RAM 392Mo, CPU 450 MHz.

---
"KLUXIS"