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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6

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* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6:
  security: testing the wrong variable in create_by_name()
  CRED: Fix a race in creds_are_invalid() in credentials debugging
  CRED: Fix double free in prepare_usermodehelper_creds() error handling
This commit is contained in:
Linus Torvalds 2010-04-22 07:17:09 -07:00
commit 5e31877b64
2 changed files with 4 additions and 4 deletions
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4
kernel/cred.c
View File

@ -398,6 +398,8 @@ struct cred *prepare_usermodehelper_creds(void)
error:
put_cred(new);
return NULL;
free_tgcred:
#ifdef CONFIG_KEYS
kfree(tgcred);
@ -791,8 +793,6 @@ bool creds_are_invalid(const struct cred *cred)
{
if (cred->magic != CRED_MAGIC)
return true;
if (atomic_read(&cred->usage) < atomic_read(&cred->subscribers))
return true;
#ifdef CONFIG_SECURITY_SELINUX
if (selinux_is_enabled()) {
if ((unsigned long) cred->security < PAGE_SIZE)

4
security/inode.c
View File

@ -161,13 +161,13 @@ static int create_by_name(const char *name, mode_t mode,
mutex_lock(&parent->d_inode->i_mutex);
*dentry = lookup_one_len(name, parent, strlen(name));
if (!IS_ERR(dentry)) {
if (!IS_ERR(*dentry)) {
if ((mode & S_IFMT) == S_IFDIR)
error = mkdir(parent->d_inode, *dentry, mode);
else
error = create(parent->d_inode, *dentry, mode);
} else
error = PTR_ERR(dentry);
error = PTR_ERR(*dentry);
mutex_unlock(&parent->d_inode->i_mutex);
return error;