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* [Bug libc/14516] New: ttyname incorrectly fails if procfs is not available
@ 2012-08-24 8:51 siddhesh at redhat dot com
2012-08-24 8:54 ` [Bug libc/14516] " siddhesh at redhat dot com
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: siddhesh at redhat dot com @ 2012-08-24 8:51 UTC (permalink / raw)
To: glibc-bugs
http://sourceware.org/bugzilla/show_bug.cgi?id=14516
Bug #: 14516
Summary: ttyname incorrectly fails if procfs is not available
Product: glibc
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: libc
AssignedTo: unassigned@sourceware.org
ReportedBy: siddhesh@redhat.com
CC: drepper.fsp@gmail.com
Classification: Unclassified
Description of problem:
SSH chroot using pam_chroot.so does not work when there is no mounted /proc
inside the chroot. The ssh server throws the following error in
/var/log/secure:
Aug 24 13:26:06 rawhide sshd[11735]: fatal: openpty returns device for which
ttyname fails.
while the client shows the following error and disconnects:
Connection to localhost closed by remote host.
Connection to localhost closed.
This failure occurs because sshd calls ttyname() and fails due to /proc not
being present inside the chroot.
How reproducible:
Always.
Steps to Reproduce:
1. Set up a chroot:
- Create the root folder structure (bin, lib, etc, var, dev, dev/pts) with
essential binaries
- Mount /dev/pts over /chroot/dev/pts
2. Set the password for user view
3. Add the following to /etc/pam.d/sshd:
session required pam_chroot.so onerr=fail debug
4. ssh -1 view localhost
Actual results:
Connection to localhost closed by remote host.
Connection to localhost closed.
Expected results:
User logs in.
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^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug libc/14516] ttyname incorrectly fails if procfs is not available
2012-08-24 8:51 [Bug libc/14516] New: ttyname incorrectly fails if procfs is not available siddhesh at redhat dot com
@ 2012-08-24 8:54 ` siddhesh at redhat dot com
2012-08-24 8:55 ` siddhesh at redhat dot com
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: siddhesh at redhat dot com @ 2012-08-24 8:54 UTC (permalink / raw)
To: glibc-bugs
http://sourceware.org/bugzilla/show_bug.cgi?id=14516
--- Comment #1 from Siddhesh Poyarekar <siddhesh at redhat dot com> 2012-08-24 08:54:22 UTC ---
Step 2. should read "Set the password for a newly created user 'view'"
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* [Bug libc/14516] ttyname incorrectly fails if procfs is not available
2012-08-24 8:51 [Bug libc/14516] New: ttyname incorrectly fails if procfs is not available siddhesh at redhat dot com
2012-08-24 8:54 ` [Bug libc/14516] " siddhesh at redhat dot com
@ 2012-08-24 8:55 ` siddhesh at redhat dot com
2012-08-30 12:05 ` siddhesh at redhat dot com
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: siddhesh at redhat dot com @ 2012-08-24 8:55 UTC (permalink / raw)
To: glibc-bugs
http://sourceware.org/bugzilla/show_bug.cgi?id=14516
Siddhesh Poyarekar <siddhesh at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|unassigned at sourceware |siddhesh at redhat dot com
|dot org |
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^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug libc/14516] ttyname incorrectly fails if procfs is not available
2012-08-24 8:51 [Bug libc/14516] New: ttyname incorrectly fails if procfs is not available siddhesh at redhat dot com
2012-08-24 8:54 ` [Bug libc/14516] " siddhesh at redhat dot com
2012-08-24 8:55 ` siddhesh at redhat dot com
@ 2012-08-30 12:05 ` siddhesh at redhat dot com
2014-06-17 6:53 ` fweimer at redhat dot com
2014-06-17 13:39 ` fweimer at redhat dot com
4 siblings, 0 replies; 6+ messages in thread
From: siddhesh at redhat dot com @ 2012-08-30 12:05 UTC (permalink / raw)
To: glibc-bugs
http://sourceware.org/bugzilla/show_bug.cgi?id=14516
Siddhesh Poyarekar <siddhesh at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED
--- Comment #2 from Siddhesh Poyarekar <siddhesh at redhat dot com> 2012-08-30 12:05:41 UTC ---
Fixed in master.
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^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug libc/14516] ttyname incorrectly fails if procfs is not available
2012-08-24 8:51 [Bug libc/14516] New: ttyname incorrectly fails if procfs is not available siddhesh at redhat dot com
` (2 preceding siblings ...)
2012-08-30 12:05 ` siddhesh at redhat dot com
@ 2014-06-17 6:53 ` fweimer at redhat dot com
2014-06-17 13:39 ` fweimer at redhat dot com
4 siblings, 0 replies; 6+ messages in thread
From: fweimer at redhat dot com @ 2014-06-17 6:53 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=14516
Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Flags| |security-
--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
Fixed in:
https://www.sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=050af9c4e
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^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug libc/14516] ttyname incorrectly fails if procfs is not available
2012-08-24 8:51 [Bug libc/14516] New: ttyname incorrectly fails if procfs is not available siddhesh at redhat dot com
` (3 preceding siblings ...)
2014-06-17 6:53 ` fweimer at redhat dot com
@ 2014-06-17 13:39 ` fweimer at redhat dot com
4 siblings, 0 replies; 6+ messages in thread
From: fweimer at redhat dot com @ 2014-06-17 13:39 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=14516
Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jnair at ensim dot com
--- Comment #4 from Florian Weimer <fweimer at redhat dot com> ---
*** Bug 3353 has been marked as a duplicate of this bug. ***
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end of thread, other threads:[~2014-06-17 13:39 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
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2012-08-24 8:51 [Bug libc/14516] New: ttyname incorrectly fails if procfs is not available siddhesh at redhat dot com
2012-08-24 8:54 ` [Bug libc/14516] " siddhesh at redhat dot com
2012-08-24 8:55 ` siddhesh at redhat dot com
2012-08-30 12:05 ` siddhesh at redhat dot com
2014-06-17 6:53 ` fweimer at redhat dot com
2014-06-17 13:39 ` fweimer at redhat dot com
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