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Message-ID: <20110722043021.GE132@brightrain.aerifal.cx>
Date: Fri, 22 Jul 2011 00:30:21 -0400
From: Rich Felker <dalias@...ifal.cx>
To: musl@...ts.openwall.com
Subject: Re: some fixes to musl
On Thu, Jul 21, 2011 at 09:57:39PM -0400, Rich Felker wrote:
> > forkpty():
> > - It should be guaranteed that master fd is closed, tty is setup, slave
> > fd is dup'ed to 1,2,3. The latter can be broken by setting small
> > rlimit. setsid() is checked for company :) I think the only way to
> > handle the failure is _exit(). While it may be not the best choise,
> > however, continuing the work with half dropped privileges is more
> > dangerous.
> >
> > openpty():
> > - close() shouldn't change errno updated by failed ioctl()/open().
> > - I suppose the last calls to tcsetattr() and ioctl() may fail too.
>
> Going to try to find a good solution for these...
I believe I've fixed forkpty's issue with fd exhaustion. Please tell
me if anything seems wrong.
Rich
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