Bug#396226: [Pkg-samba-maint] Bug#396226: samba: Messes up file permissions when POSIX ACLs are

[Christian Perrier]

> Package: samba
> Version: 3.0.23c-1
> Severity: grave
> Justification: renders package unusable

For you probably but up to now, we hadn't much reports that it is for
other users....

> 
> We are running Samba 3.0.23c on Debian.
> 
> Over the weekend, we updated out file server to Debian's kernel 2.6.18.  
> We had previously never run a kernel with ACL support enabled.  Since 
> the upgrade, we are seeing very strange permission behavior.  It appears 
> to berelated to POSIX ACL support in Samba.
> 
> It seems that what's happening is this.
> 
> We have a number of files that are user/group writable (permissions 0664). 
> When a user that is someone other than the Unix owner of the file writes 
> to it, the permissions switch to 0474 (-r--rwxr--) and an ACL is added 
> with this second user getting read/write permission to it.
> 
> Unfortunately, the Unix owner of the file now is locked out of writing 
> to it.
> 
> We never had any problem with permissions on these files before using  
> the ACL-enabled kernel.  


Well, first of all, the smb.conf would help a lot, here....


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