Re: [PATCH] zlib double-free bug

Martin Hermanowski (martin@mh57.net)
Wed, 20 Mar 2002 16:59:33 +0100


On Wed, Mar 20, 2002 at 10:45:42AM +0100, Helge Hafting wrote:
> Nicolas Pitre wrote:
>
>>> Removable media?
>>
>> Most if not all removable media are not ment to be used with JFFS2.
>
> Nothing is _meant_ to be exploited either. Someone could
> create a cdrom with jffs2 (linux don't demand that cd's use iso9660)
> with an intent to make trouble. crc's and such would match the
> bad compressed stuff. Nothing unusual seems to happen, but
> using the cd installs a back door as the fs uncompresses stuff.

What about ZISOFS? IIRC the files are compressed with gzip und
decompressed on the fly.

MfG
Martin

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