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Re: Setting RLIMIT_STACK
From: |
Paul Smith |
Subject: |
Re: Setting RLIMIT_STACK |
Date: |
Mon, 19 Jul 2010 09:46:43 -0400 |
On Mon, 2010-07-19 at 11:29 +0200, Edward Welbourne wrote:
> > Probably there should be an effort to switch to heap for anything that
> > might get large and reserve alloca() usage just for things we know for a
> > fact will not get too large, but that hasn't been done.
>
> ... and anywhere you use a scanf variant, glibc is also using
> alloca(), without knowing any bound:
> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=553206
Yes, unpleasant for sure. Luckly GNU make doesn't use *scanf() much at
all and were it does only in fairly well-defined situations.
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