Bug 73066

Summary: smbfs has problems with 32bit UIDs
Product: [Retired] Red Hat Linux Reporter: Panu Matilainen <pmatilai>
Component: kernelAssignee: Arjan van de Ven <arjanv>
Status: CLOSED CURRENTRELEASE QA Contact: Brian Brock <bbrock>
Severity: medium Docs Contact:
Priority: medium    
Version: 9CC: wtogami
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: 2004-09-30 15:39:53 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: 81544    
Attachments:
Description Flags
Fix smbfs mounting with 32bit uid/gid none

Description Panu Matilainen 2002-08-30 10:39:47 UTC 
From Bugzilla Helper:
User-Agent: Mozilla/5.0 Galeon/1.2.5 (X11; Linux i686; U;) Gecko/0

Description of problem:
Using UID/GID > 65k when mounting smbfs filesystems the resulting mount point
UID/GID wraps around.

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


How reproducible:
Always

Steps to Reproduce:
1.smbmount //some/share /mnt/ -o uid=100000
2. ls -ld /mnt	

Actual Results:  The UID wraps around at 65535(and so does GID) so the mount
point gets owned by wrong UID.


Expected Results:  ..the values shouldn't wrap around of course..

Additional info:
This bug is present in all 2.4 kernels and is caused by
include/linux/smb_mount.h using __kernel_uid_t instead of __kernel_uid32_t.
Comment 1 Panu Matilainen 2002-08-30 10:41:56 UTC 
Created attachment 73933 [details]
Fix smbfs mounting with 32bit uid/gid
Comment 2 Panu Matilainen 2002-08-30 10:45:45 UTC 
To make it all actually work glibc-kernheaders needs the fix too and then samba
needs to be recompiled against that headerset, *seems* to work without
recompiling glibc though.
Comment 3 Panu Matilainen 2002-09-04 14:06:55 UTC 
Urban Widmark has a better solution to this:
http://www.uwsg.iu.edu/hypermail/linux/kernel/0209.0/0678.html
Comment 4 Arjan van de Ven 2002-09-16 12:29:57 UTC 
the issue with this is binary compatibility with userspace ;(
not something we can break relative to kernel.org kernels.
Comment 5 Panu Matilainen 2002-09-16 12:40:52 UTC 
As far as I understood Urbans fix doesn't have that issue? I'm not a kernel
hacker really so my "fix" was just a guess which cured the symptoms for me :)
Comment 6 Panu Matilainen 2003-01-09 13:59:28 UTC 
We've been succesfully using Urbans patches (which don't break compatibility)
with RHL8.0 without seeing any problems - please consider adding the patch to
phoebe at least? The patch still applies cleanly (using it right now..)
Comment 7 Panu Matilainen 2003-01-10 08:18:33 UTC 
Changing product to public beta in the hopes of having it fixed there :)
Comment 8 Bugzilla owner 2004-09-30 15:39:53 UTC 
Thanks for the bug report. However, Red Hat no longer maintains this version of
the product. Please upgrade to the latest version and open a new bug if the problem
persists.

The Fedora Legacy project (http://fedoralegacy.org/) maintains some older releases, 
and if you believe this bug is interesting to them, please report the problem in
the bug tracker at: http://bugzilla.fedora.us/