From: James Carter <[email protected]>
Explicitly number all selinuxfs inodes to prevent a conflict between
inodes numbered using last_ino when created with new_inode() and those
labeled explicitly.
Signed-off-by: James Carter <[email protected]>
Acked-by: Eric Paris <[email protected]>
Acked-by: Stephen Smalley <[email protected]>
Signed-off-by: James Morris <[email protected]>
---
security/selinux/selinuxfs.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c
index e24235c..1a786db 100644
--- a/security/selinux/selinuxfs.c
+++ b/security/selinux/selinuxfs.c
@@ -100,8 +100,11 @@ enum sel_inos {
SEL_MEMBER, /* compute polyinstantiation membership decision */
SEL_CHECKREQPROT, /* check requested protection, not kernel-applied one */
SEL_COMPAT_NET, /* whether to use old compat network packet controls */
+ SEL_INO_NEXT, /* The next inode number to use */
};
+static unsigned long sel_last_ino = SEL_INO_NEXT - 1;
+
#define SEL_INITCON_INO_OFFSET 0x01000000
#define SEL_INO_MASK 0x00ffffff
@@ -1237,6 +1240,7 @@ static int sel_make_avc_files(struct dentry *dir)
goto out;
}
inode->i_fop = files[i].ops;
+ inode->i_ino = ++sel_last_ino;
d_add(dentry, inode);
}
out:
@@ -1304,6 +1308,7 @@ static int sel_make_dir(struct inode *dir, struct dentry *dentry)
}
inode->i_op = &simple_dir_inode_operations;
inode->i_fop = &simple_dir_operations;
+ inode->i_ino = ++sel_last_ino;
/* directory inodes start off with i_nlink == 2 (for "." entry) */
inc_nlink(inode);
d_add(dentry, inode);
@@ -1366,6 +1371,7 @@ static int sel_fill_super(struct super_block * sb, void * data, int silent)
ret = -ENOMEM;
goto err;
}
+ inode->i_ino = ++sel_last_ino;
isec = (struct inode_security_struct*)inode->i_security;
isec->sid = SECINITSID_DEVNULL;
isec->sclass = SECCLASS_CHR_FILE;
--
1.5.0.6
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
