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Tainting from user spaceTainting from user spacePosted May 25, 2006 14:12 UTC (Thu) by elanthis (guest, #6227)In reply to: Tainting from user space by ncm Parent article: Tainting from user space
What would be the purpose of doing this, though? The only thing it would allow is wasting a little kernel developer time when a bug report is submitted. Whoopee.
Second, setting that flag by poking around memory probably isn't that easy. Where in memory is the flag, exactly? With how every kernel release (and almost every kernel compilation) can end up with pretty drastically different memory layouts, it's not possible to just write some data to some specific memory location. You would have to write an awful lot of very complex code just to figure out where to write the change. And if the code isn't absolutely right, you probably just end up crashing the machine. (And, hence, if you do a bug report of the oops message, it shows developers the kernel was tainted.)
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