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bug#18410: Use SAFE_ALLOCA etc. to avoid unbounded stack allocation.
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From: |
Daniel Colascione |
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Subject: |
bug#18410: Use SAFE_ALLOCA etc. to avoid unbounded stack allocation. |
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Date: |
Sun, 07 Sep 2014 20:19:48 -0700 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.0 |
On 09/07/2014 08:17 PM, Demetrios Obenour wrote:
> This is crucial. Otherwise, a security vulnerability could result.
>
> MAX_ALLOCA should not be larger than the page size for the target
> architecture.
You could just touch every page inside a large alloca.
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- bug#18410: Use SAFE_ALLOCA etc. to avoid unbounded stack allocation., (continued)
- bug#18410: Use SAFE_ALLOCA etc. to avoid unbounded stack allocation., Dmitry Antipov, 2014/09/08
- bug#18410: Use SAFE_ALLOCA etc. to avoid unbounded stack allocation., Eli Zaretskii, 2014/09/07
- bug#18410: Use SAFE_ALLOCA etc. to avoid unbounded stack allocation., Stefan Monnier, 2014/09/08
- bug#18410: Use SAFE_ALLOCA etc. to avoid unbounded stack allocation., Eli Zaretskii, 2014/09/09
- bug#18410: Use SAFE_ALLOCA etc. to avoid unbounded stack allocation., Stefan Monnier, 2014/09/09