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| From: | Paul Eggert |
| Subject: | Re: Two issues with stack overflow protection |
| Date: | Wed, 29 Jul 2015 00:06:44 -0700 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.8.0 |
Daniel Colascione wrote:
What's wrong with just mprotecting a guard page at the end of the stack, and on overflow, giving that region normal protection, unwinding as normal, then, at top level, restoring the guard page?
Unwinding can grow the stack.
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