Bug 105772

Summary: smbd, nmbs segfault when run without exec shield
Product: [Fedora] Fedora Reporter: Nils Philippsen <nphilipp>
Component: sambaAssignee: Jay Fenlason <fenlason>
Status: CLOSED DUPLICATE QA Contact: David Lawrence <dkl>
Severity: high Docs Contact:
Priority: medium    
Version: rawhideCC: jfeeney, mitr
Target Milestone: ---   
Target Release: ---   
Hardware: i386   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2006-02-21 18:58:47 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:
Bug Depends On:    
Bug Blocks: 100643    

Description Nils Philippsen 2003-09-27 11:50:12 UTC 
Description of problem:

SSIA:

root@wombat:~> sysctl -w kernel.exec-shield=0
kernel.exec-shield = 0
root@wombat:~> strace smbd
execve("/usr/sbin/smbd", ["smbd"], [/* 29 vars */]) = 0
--- SIGSEGV (Segmentation fault) @ 0 (0) ---
+++ killed by SIGSEGV +++
root@wombat:~> strace nmbd
execve("/usr/sbin/nmbd", ["nmbd"], [/* 29 vars */]) = 0
--- SIGSEGV (Segmentation fault) @ 0 (0) ---
+++ killed by SIGSEGV +++
root@wombat:~> sysctl -w kernel.exec-shield=1
kernel.exec-shield = 1
root@wombat:~> smbd
root@wombat:~> nmbd
root@wombat:~> service smb status
smbd (pid 11044) is running...
nmbd (pid 11046) is running...

Version-Release number of selected component (if applicable):

samba-3.0.0-15

How reproducible:

Always

Steps to Reproduce:
1. "sysctl -w kernel.exec-shield=0"
2. Try to start samba
    
Actual results:

smbd, nmbd crash before the programs even have been loaded

Expected results:

smbd, nmbd start flawlessly
Comment 1 Joe Orton 2003-10-21 12:47:46 UTC 

*** This bug has been marked as a duplicate of 106664 ***
Comment 2 Red Hat Bugzilla 2006-02-21 18:58:47 UTC 
Changed to 'CLOSED' state since 'RESOLVED' has been deprecated.