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modules: make sysfs attribute files readable by owner only
This code goes back to the historical bitkeeper tree commit 3f7b067 ("Module section offsets in /sys/module"), where Jonathan Corbet wanted to show people how to debug loadable modules. See https://lwn.net/Articles/88052/ from June 2004. To expose the required load address information, Jonathan added the sections subdirectory for every module in /sys/modules, and made them S_IRUGO - readable by everybody. It was a more innocent time, plus those S_IRxxx macro names are a lot more confusing than the octal numbers are, so maybe it wasn't even intentional. But here we are, thirteen years later, and I'll just change it to S_IRUSR instead. Let's see if anybody even notices. Cc: Jonathan Corbet <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
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