Bruno Cesar Ribas:
> This happened since I cannot use CONFIG_AUFS_FAKE_DM if I have NFS as an
> aufs branche (CONFIG_AUFS_LHASH_PATCH) and I upgraded from kernel 2.6.23 to
> 2.6.24.2=20
It seems very old... it is really old when nfs branch requires disabling
FAKE_DM.
Anyway I could reproduce your problem on my test environment, and here
is a patch for you. I hope you will succeed without dirperm1.
But I have to consider about security issues on nfs before I merge this
patch into CVS.
> And I get random system crashes, it is more likely a catatonic state, as
> system root does not respond. And some areas of filesystem are frozen, if I
> run something like "ls /path/to/bad/area" my LS hangs and I loose my shell.
> Even running 'ps aux' makes me loose my shell, but these problems i did not
> isolated yet
This must be big problem.
Junjiro Okajima
----------------------------------------------------------------------
Index: fs/aufs/misc.c
===================================================================
RCS file: /cvsroot/aufs/aufs/fs/aufs/misc.c,v
retrieving revision 1.48
diff -u -p -r1.48 misc.c
--- fs/aufs/misc.c 18 Feb 2008 04:38:15 -0000 1.48
+++ fs/aufs/misc.c 13 Mar 2008 05:56:30 -0000
@@ -312,7 +312,7 @@ int au_test_perm(struct inode *hidden_in
{
if (!current->fsuid)
return 0;
- if (unlikely(au_test_nfs(hidden_inode->i_sb)
+ if (unlikely(0 && au_test_nfs(hidden_inode->i_sb)
&& (mask & MAY_WRITE)
&& S_ISDIR(hidden_inode->i_mode)))
mask |= MAY_READ; /* force permission check */
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