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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security

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Pull security subsystem bugfixes from James Morris.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
  selinux: fix selinux_inode_setxattr oops
  KEYS: linux/key-type.h needs linux/errno.h
  smack: off by one error
This commit is contained in:
Linus Torvalds 2012-07-30 11:21:12 -07:00
commit 172f993a29
3 changed files with 15 additions and 9 deletions
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1
include/linux/key-type.h
View File

@ -13,6 +13,7 @@
#define _LINUX_KEY_TYPE_H
#include <linux/key.h>
#include <linux/errno.h>
#ifdef CONFIG_KEYS

15
security/selinux/hooks.c
View File

@ -2791,11 +2791,16 @@ static int selinux_inode_setxattr(struct dentry *dentry, const char *name,
/* We strip a nul only if it is at the end, otherwise the
* context contains a nul and we should audit that */
str = value;
if (str[size - 1] == '\0')
audit_size = size - 1;
else
audit_size = size;
if (value) {
str = value;
if (str[size - 1] == '\0')
audit_size = size - 1;
else
audit_size = size;
} else {
str = "";
audit_size = 0;
}
ab = audit_log_start(current->audit_context, GFP_ATOMIC, AUDIT_SELINUX_ERR);
audit_log_format(ab, "op=setxattr invalid_context=");
audit_log_n_untrustedstring(ab, value, audit_size);

8
security/smack/smackfs.c
View File

@ -323,11 +323,11 @@ static int smk_parse_long_rule(const char *data, struct smack_rule *rule,
int datalen;
int rc = -1;
/*
* This is probably inefficient, but safe.
*/
/* This is inefficient */
datalen = strlen(data);
subject = kzalloc(datalen, GFP_KERNEL);
/* Our first element can be 64 + \0 with no spaces */
subject = kzalloc(datalen + 1, GFP_KERNEL);
if (subject == NULL)
return -1;
object = kzalloc(datalen, GFP_KERNEL);