Re: Please revert 21564fd2a3deb48200b595332f9ed4c9f311f2a7

From: Jeremy Fitzhardinge
Date: Mon Jul 09 2007 - 09:55:54 EST


Alan Cox wrote:
2.6.22's behaviour is the bug. 2.6.21 you couldn't load random binary
crap into the kernel without logging a taint. 2.6.22 you can. This means
every single 2.6.22 bug report has to be assumed to be caused by binary
module crap as a starting point which slows down debug immensely.

Er, what? What do you mean by "load random binary crap"? Are you worried that a malicious kernel module might modify paravirt_ops? How is that different from a malicious module doing any of the infinite other things a malicious module can do? A module will only register a taint if its playing by the rules anyway, and a module playing by the rules won't touch paravirt_ops directly.

J

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