Messages in this thread | | | Date | Fri, 25 May 2001 13:53:17 +0200 | From | Andi Kleen <> | Subject | Re: [CHECKER] large stack variables (>=1K) in 2.4.4 and 2.4.4-ac8 |
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On Fri, May 25, 2001 at 07:52:02AM -0400, Brian Gerst wrote: > Actually, you will never get a stack fault exception, since with a flat > stack segment you can never get a limit violation. All you will do is > corrupt the data in task struct and cause an oops later on when the > kernel tries to use the task struct. There are only two ways to > properly trap a kernel stack overflow:
In my experience the stack pointer eventually gets corrupted and starts pointing to some unmapped area, which gives you a stack fault (admittedly a backtrace is a bit hard after that)
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