linux crashes irix6.3 II

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hi once more,

another test i made was linux (again suse 6.0) vs. irix6.5.2 which was not
vulnerable. linux (suse 5.2 or 5.3 ;), kernel 2.0.33) vs. irix6.3 crashes
again. irix6.3 vs. irix6.3 is also vulnerable.

the cdrom is exported ro and it doesn't matter whether mounted ro or not

i haven't seen this behaviour with irix5.3/6.2/6.4 and 'normal' (i.e.
harddisk) nfs-exported directories

on the irix6.3 machine: i don't think it is a broken card or cdrom drive
because two (of two) more machines react the same way. but i agree it could
be a general scsi/cdrom problem... who knows ;)

my box is not completely up-to-date-patched but i've got some nfs patches
running. i will patch my box fully and see again (and report if desired)

philipp schott

earlier mail:
> hi there,
>
> is there anybody who can confirm this 'DoS' (nothing serious if the
server
> is not too important ;)) :
>
> exporting a cdrom (say /CDROM) from an irix6.3 (gna) box to a linux box
> (blubb) (SuSE 6.0, kernel 2.0.36) can lead to a crash of the irix box.
>
> blubb:/> mount gna:/CDROM /mnt2
> blubb:/> cd /mnt2/foo/bar
> blubb:/> ls
> hihihi.rpm
> blubb:/> rpm -i hihihi.rpm
> and booom... gna goes down.
>
> (
> kernel fault: software detected SEGV
> NFS2 getattr failed for server /dev/scsi/sc0d4l0: Timed out
> )
>
> this effect is repeatable.
> can anybody try this on other OS versions
>

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