Messages in this thread | | | Subject | Re: [x86] Access off the bottom of stack causes a segfault? | From | (Eric W. Biederman) | Date | 16 Oct 2003 18:23:26 -0600 |
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Chris Lattner <sabre@nondot.org> writes:
> My compiler is generating accesses off the bottom of the stack (address > below %esp). Is there some funny kernel interaction that I should be > aware of with this? I'm periodically getting segfaults.
Beyond the signal thing. You are using a demand grown vma for the stack, and using it past where it has grown. If you grow the vma deliberately you can use more of it. But using more area than you have allocated for the stack is most certainly a bug.
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