Date: Sat, 25 Jul 2009 17:50:56 -0600 From: Jamie Gritton <jamie@FreeBSD.org> To: Michael Butler <imb@protected-networks.net> Cc: freebsd-stable <freebsd-stable@FreeBSD.org> Subject: Re: regression with jexec? Message-ID: <4A6B9A60.90302@FreeBSD.org> In-Reply-To: <4A6B0BD3.6040206@protected-networks.net> References: <4A6B0BD3.6040206@protected-networks.net>
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Michael Butler wrote:
> After a clean rebuild ('rm -rf /usr/obj/*') ..
>
> imb@aaron:/home/imb> uname -a
> FreeBSD aaron.protected-networks.net 7.2-STABLE FreeBSD 7.2-STABLE #0:
> Sat Jul 25 05:39:55 EDT 2009
>
> imb@aaron:/home/imb> jls
> JID IP Address Hostname Path
>
> [ .. ]
>
> 5 202.12.127.68 db.protected-networks.net
> /usr/local/jails/db.protected-networks.net
>
> imb@aaron:/home/imb> sudo jexec 5 tcsh
> jexec: Unable to parse jail ID.: No such file or directory
>
> Huh?
>
> imb
The symptom in jexec can be fixed by this little patch:
Index: usr.sbin/jexec/jexec.c
===================================================================
--- usr.sbin/jexec/jexec.c (revision 195879)
+++ usr.sbin/jexec/jexec.c (working copy)
@@ -248,6 +248,7 @@
if (argc < 2)
usage();
if (strlen(argv[0]) > 0) {
+ errno = 0;
jid = (int)strtol(argv[0], NULL, 10);
if (errno)
err(1, "Unable to parse jail ID.");
But the broader problem is malloc. It's leaving errno set to
ENOENT when /etc/malloc.conf doesn't exist. This seems like
wrong behavior to me.
- Jamie
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