Bug 508615

Summary:	kdm crash if invalid password is entered
Product:	[Fedora] Fedora	Reporter:	Gabriel Ramirez <gabriello.ramirez>
Component:	kdebase-workspace	Assignee:	Than Ngo <than>
Status:	CLOSED DUPLICATE	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	medium	Docs Contact:
Priority:	low
Version:	11	CC:	fedora, fedora, jreznik, kevin, lorenzo, LotharLutz, ltinkl, rdieter, smparrish, than
Target Milestone:	---
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2009-07-10 13:58:23 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Gabriel Ramirez 2009-06-29 05:39:07 UTC

kdm component don't exist in the list, by that reason is filed against kdebase, also the problem will be elsewhere in pam or X

Description of problem:
This happen in Fedora 11 i586 (two machines)
Fedora 10 x86_64 or i386 don't show the bug

At kdm login if entered a invalid password, when you enter the password ( correct or incorrect) by second time kdm crash taking Xorg with him

begin three differents logs of the crash:

Jun 28 23:10:19 localhost1 kernel: kdm[1351]: segfault at 48fc00 ip 0048fc00 sp bfbe870c error 14 in libX11.so.6.2.0[4e1000+12b000]
Jun 28 23:10:19 localhost1 kdm_greet[1358]: Cannot read from core
Jun 28 23:10:19 localhost1 kdm[1275]: Unknown session exit code 0 (sig 11) from manager process

Jun 28 23:16:10 localhost1 kernel: kdm[1247]: segfault at e63c00 ip 00e63c00 sp bf8ec9cc error 4 in pam_deny.so[e71000+1000]
Jun 28 23:16:10 localhost1 kdm_greet[1252]: Cannot read from core
Jun 28 23:16:10 localhost1 kdm[1192]: Unknown session exit code 0 (sig 11) from manager process

Jun 29 00:03:16 localhost2 kernel: kdm[1606]: segfault at 5714c0 ip 006159bb sp bf9b2700 error 4 in libglib-2.0.so.0.2000.3[5e1000+dd000]
Jun 29 00:03:16 localhost2 kdm_greet[1644]: Cannot read from core
Jun 29 00:03:16 localhost2 kdm[1561]: Unknown session exit code 0 (sig 11) from manager process

end logs


Version-Release number of selected component (if applicable):
localhost1
kdm-4.2.4-3.fc11
pam-1.0.91-6.fc11
libX11-1.2.1-2.fc11

localhost2
kdm-4.2.90-3.fc11
pam-1.0.91-6.fc11
glib2-2.20.3-1.fc11


How reproducible:
always

Steps to Reproduce:
1. start machine with kdm as login manager ( I don't have gdm to test the case)
2. type a wrong password
3. type a wrong password or a correct one
  
Actual results:
kmd crash ( screen blank) Xorg don't work, but login via ssh or text consoles works fine

Expected results:
login to kde session 

Additional info:

Comment 1 Markus Mayer 2009-07-04 15:49:38 UTC

Get the same error on all of my three machines (i586).


Version-Release number:
kdm-4.2.4-3.fc11.i586
pam-1.0.91-6.fc11.i586
libX11-1.2.1-2.fc11.i586
glib2-2.20.3-1.fc11.i586

/var/log/messages:

Jul  4 17:13:02 Fedora11-kvm kernel: kdm[1492] general protection ip:25c9bb sp:bfec37d0 error:0 in libglib-2.0.so.0.2000.3[228000+dd000]
Jul  4 17:13:02 Fedora11-kvm kdm_greet[1542]: Cannot read from core
Jul  4 17:13:02 Fedora11-kvm kdm[1444]: Unknown session exit code 0 (sig 11) from manager process

or:
Jul  4 17:40:02 Fedora11-kvm kernel: kdm[1488]: segfault at 510c00 ip 00510c00 sp bfed69cc error 14 in libcrack.so.2.8.0[5bd000+7000]
Jul  4 17:40:02 Fedora11-kvm kdm[1442]: Unknown session exit code 0 (sig 11) from manager process
Jul  4 17:40:02 Fedora11-kvm kdm_greet[1540]: Cannot read from core

Comment 2 Kevin Kofler 2009-07-10 13:58:23 UTC


*** This bug has been marked as a duplicate of bug 506171 ***