Revision e7afe6c1d486b516ed586dcc10b3e7e3e85a9c2b authored by Scott Mayhew on 15 February 2019, 18:42:02 UTC, committed by J. Bruce Fields on 15 February 2019, 19:56:51 UTC
While trying to reproduce a reported kernel panic on arm64, I discovered that AUTH_GSS basically doesn't work at all with older enctypes on arm64 systems with CONFIG_VMAP_STACK enabled. It turns out there still a few places using stack memory with scatterlists, causing krb5_encrypt() and krb5_decrypt() to produce incorrect results (or a BUG if CONFIG_DEBUG_SG is enabled). Tested with cthon on v4.0/v4.1/v4.2 with krb5/krb5i/krb5p using des3-cbc-sha1 and arcfour-hmac-md5. Signed-off-by: Scott Mayhew <smayhew@redhat.com> Cc: stable@vger.kernel.org Signed-off-by: J. Bruce Fields <bfields@redhat.com>
1 parent 3bf6b57
symlink.c
/*
* Copyright 1997-1998 Transmeta Corporation -- All Rights Reserved
*
* This file is part of the Linux kernel and is made available under
* the terms of the GNU General Public License, version 2, or at your
* option, any later version, incorporated herein by reference.
*/
#include "autofs_i.h"
static const char *autofs_get_link(struct dentry *dentry,
struct inode *inode,
struct delayed_call *done)
{
struct autofs_sb_info *sbi;
struct autofs_info *ino;
if (!dentry)
return ERR_PTR(-ECHILD);
sbi = autofs_sbi(dentry->d_sb);
ino = autofs_dentry_ino(dentry);
if (ino && !autofs_oz_mode(sbi))
ino->last_used = jiffies;
return d_inode(dentry)->i_private;
}
const struct inode_operations autofs_symlink_inode_operations = {
.get_link = autofs_get_link
};
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