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Bug 8247 - /bin/login possibly printing null string in syslog
Summary: /bin/login possibly printing null string in syslog
Alias: None
Product: Red Hat Linux
Classification: Retired
Component: util-linux
Version: 6.1
Hardware: All
OS: Linux
Target Milestone: ---
Assignee: Crutcher Dunnavant
QA Contact:
Depends On:
TreeView+ depends on / blocked
Reported: 2000-01-06 23:37 UTC by Viraj Alankar
Modified: 2008-05-01 15:37 UTC (History)
0 users

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Last Closed: 2000-02-03 21:43:27 UTC

Attachments (Terms of Use)

Description Viraj Alankar 2000-01-06 23:37:40 UTC
I noticed the following message from syslog:

Jan  6 16:34:20 myserver login: FAILED LOGIN SESSION FROM FOR (null), Error in service module

The '(null)' looks suspiciously to be a printout of a null string.

Comment 1 Viraj Alankar 2000-01-23 20:56:59 UTC
This also appears to happen with RH 6.1:

Jan 17 11:02:22 mikrosopht PAM_pwdb[2396]: authentication failure; LOGIN(uid=0)
-> valankar for login service
Jan 17 11:02:23 mikrosopht login[2396]: FAILED LOGIN 1 FROM (null) FOR valankar,
Authentication failure
Jan 17 11:02:26 mikrosopht PAM_pwdb[2396]: (login) session opened for user
valankar by LOGIN(uid=0)

Comment 2 Elliot Lee 2000-02-03 21:43:59 UTC
This is normal behaviour when logging in from a local terminal. It is a NULL
pointer and that's perfectly OK with printf...

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