mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-08-25 10:19:47 +00:00
Code Issues Releases Wiki Activity

NFSv4: Fix two infinite loops in the mount code

Browse source 
We can currently loop forever in nfs4_lookup_root() and in
nfs41_proc_secinfo_no_name(), if the first iteration returns a
NFS4ERR_DELAY or something else that causes exception.retry to get
set.

Reported-by: Weston Andros Adamson <dros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Trond Myklebust 2012-03-27 18:13:02 -04:00
parent 864cf9bf99
commit 05e9cfb408
1 changed files with 4 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
fs/nfs/nfs4proc.c
View file

@ -2290,11 +2290,12 @@ static int nfs4_lookup_root(struct nfs_server *server, struct nfs_fh *fhandle,
switch (err) {
case 0:
case -NFS4ERR_WRONGSEC:
break;
goto out;
default:
err = nfs4_handle_exception(server, err, &exception);
}
} while (exception.retry);
out:
return err;
}
@ -6229,11 +6230,12 @@ nfs41_proc_secinfo_no_name(struct nfs_server *server, struct nfs_fh *fhandle,
case 0:
case -NFS4ERR_WRONGSEC:
case -NFS4ERR_NOTSUPP:
break;
goto out;
default:
err = nfs4_handle_exception(server, err, &exception);
}
} while (exception.retry);
out:
return err;
}