From: Stanley Lieber <sl@stanleylieber.com>
To: 9front@9front.org
Subject: Re: [9front] recent changes
Date: Tue, 08 Dec 2020 19:29:56 -0500 [thread overview]
Message-ID: <A5DAACCF-70CD-40AE-8FBF-08B087954072@stanleylieber.com> (raw)
In-Reply-To: <BAA518A2EB38549011C76294FB6AFC86@felloff.net>
On December 8, 2020 7:24:49 PM EST, cinap_lenrek@felloff.net wrote:
>i located the issue.
>
>it can be reproduced when cpuing to another machine and
>running window -m.
>
>the problem is that OCEXEC doesnt work too tell with
>/srv files.
>
>when any program opens a /srv file with OCEXEC flag,
>it sets the close-on-exec flag on the shared channel,
>resulting in all subsequent opens (regardless of the
>flag) to have close-on-exec semantics.
>
>that happens with the $wsys channel.
>
>it is interesting as devsrv itself tries hard to
>prevent you from posting a file descriptor with the
>close-on-exec flag set. but subsequent opens can
>still poison the channel.
>
>the fixes are pushed.
>
>--
>cinap
thank you, i can confirm tonight.
sl
next prev parent reply other threads:[~2020-12-09 0:35 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-08 16:01 Stanley Lieber
2020-12-08 16:08 ` [9front] " Stanley Lieber
2020-12-08 16:46 ` Eckard Brauer
2020-12-08 16:50 ` cinap_lenrek
2020-12-08 17:04 ` Stuart Morrow
2020-12-08 16:56 ` Kurt H Maier
2020-12-08 16:49 ` [9front] " ori
2020-12-08 20:08 ` cinap_lenrek
2020-12-09 0:24 ` cinap_lenrek
2020-12-09 0:29 ` Stanley Lieber [this message]
2020-12-09 9:34 ` umbraticus
2020-12-09 14:32 ` Stanley Lieber
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