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Merge tag 'fixes-v5.8-rc3-a' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security

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Pull security subsystem fixes from James Morris:
 "Two simple fixes for v5.8:

   - Fix hook iteration and default value for inode_copy_up_xattr
     (KP Singh)

   - Fix the key_permission LSM hook function type (Sami Tolvanen)"

* tag 'fixes-v5.8-rc3-a' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
  security: Fix hook iteration and default value for inode_copy_up_xattr
  security: fix the key_permission LSM hook function type
This commit is contained in:
Linus Torvalds
2020-06-30 12:21:53 -07:00
parent b13f40bc69 23e390cdbe
commit 615bc218d6
2 changed files with 18 additions and 3 deletions
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security/security.c
+16 -1
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@@ -1414,7 +1414,22 @@ EXPORT_SYMBOL(security_inode_copy_up);
int security_inode_copy_up_xattr(const char *name)
{
return call_int_hook(inode_copy_up_xattr, -EOPNOTSUPP, name);
struct security_hook_list *hp;
int rc;
/*
* The implementation can return 0 (accept the xattr), 1 (discard the
* xattr), -EOPNOTSUPP if it does not know anything about the xattr or
* any other error code incase of an error.
*/
hlist_for_each_entry(hp,
&security_hook_heads.inode_copy_up_xattr, list) {
rc = hp->hook.inode_copy_up_xattr(name);
if (rc != LSM_RET_DEFAULT(inode_copy_up_xattr))
return rc;
}
return LSM_RET_DEFAULT(inode_copy_up_xattr);
}
EXPORT_SYMBOL(security_inode_copy_up_xattr);