Red Hat Bugzilla – Full Text Bug Listing
|Summary:||su hangs when su'ing as normal user to root|
|Product:||[Fedora] Fedora||Reporter:||Kaare Teilum <kteilum>|
|Component:||coreutils||Assignee:||Tim Waugh <twaugh>|
|Status:||CLOSED NOTABUG||QA Contact:|
|Fixed In Version:||Doc Type:||Bug Fix|
|Doc Text:||Story Points:||---|
|Last Closed:||2004-08-06 09:59:41 EDT||Type:||---|
|oVirt Team:||---||RHEL 7.3 requirements from Atomic Host:|
Description Kaare Teilum 2004-08-03 10:52:28 EDT
From Bugzilla Helper: User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.6) Gecko/20040510 Description of problem: When I issue 'su' and the root password nothing happens. If I issue 'su' and a wrong root password I get 'su: password incorrect' If I issue 'su -' and the root password I login as root. This problem has been observed on two machines both running NIS support. The problem occurs for both NIS and local users. On a stand-alone machine without NIS support there is no problem with su The problem was not present in the previous FC1 installation Version-Release number of selected component (if applicable): 5.2.1 How reproducible: Always Steps to Reproduce: 1.Install FC2 choose NIS support during installation 2.Issue 'su' in a terminal when logged in as a normal user 3. Actual Results: After issuing the root password nothing happens Expected Results: I should have been loggin in as root Additional info:
Comment 1 Tim Waugh 2004-08-05 12:26:22 EDT
Does this happen if you log in as root and attempt 'su'? If so, please attach the 'log' output of 'strace su 2>log'.
Comment 2 Kaare Teilum 2004-08-06 06:54:58 EDT
There are no problems with 'su' when I am logged in as root.
Comment 3 Tim Waugh 2004-08-06 06:56:41 EDT
Then please run 'strace -fp PID' as root, where PID is the bash session of the user about to run su. Thanks.
Comment 4 Kaare Teilum 2004-08-06 07:52:47 EDT
Created attachment 102478 [details] Output from 'strace -fp'
Comment 5 Kaare Teilum 2004-08-06 08:03:30 EDT
In the last line of the log there appears to be an attempt to access "/ra1/linux/nmrpipe/nmrbin.linux/bash". This is an network drive to which root on my machine do not have read-privileges. If I log in as root and attempt to 'cd /ra1' the shell hangs.
Comment 6 Tim Waugh 2004-08-06 09:59:41 EDT
This is from a PATH traversal. Don't put directories in PATH that cannot be searched.