Messages in this thread | | | Date | Wed, 10 Nov 1999 20:05:59 +0000 (GMT) | From | Chris Evans <> | Subject | Re: FIBMAP ioctl restrictions: why? |
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On Wed, 10 Nov 1999, Jamie Lokier wrote:
> If you use it as a hint there's no big deal if the information is > occasionally wrong due to a race. Are there any real race conditions > with FIBMAP that cause real problems?
The reason we disabled FIBMAP was security. Start passing negative arguments and watch stuff spew to your syslog. Even with ext2. I managed to lock my machine but that could have the been due to the klog/console race rather than a direct result of passing bad arguments to FIBMAP.
Cheers Chris
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