Messages in this thread | | | Subject | Re: [patch 02/02] Debug option to write-protect rodata: the write protect logic and config option | From | Josh Boyer <> | Date | Mon, 07 Nov 2005 08:06:14 -0600 |
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On Mon, 2005-11-07 at 10:58 +0000, arjan@infradead.org wrote: > Hi, > > I've been working on a patch that turns the kernel's .rodata section to be > actually read only, eg any write attempts to it cause a segmentation fault. > > This patch introduces the actual debug option to catch any writes to rodata
Why a debug option? From what I can tell, it doesn't impact runtime performance much and it provides good protection. Any reason not to make it an always-on feature?
josh
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