| From nobody Mon Sep 17 00:00:00 2001 |
| From: Serge E. Hallyn <serue@us.ibm.com> |
| Date: Mon, 15 May 2006 09:43:48 -0700 |
| Subject: selinux: check for failed kmalloc in security_sid_to_context() |
| |
| Check for NULL kmalloc return value before writing to it. |
| |
| Signed-off-by: Serge E. Hallyn <serue@us.ibm.com> |
| Acked-by: James Morris <jmorris@namei.org> |
| Cc: Stephen Smalley <sds@tycho.nsa.gov> |
| Signed-off-by: Andrew Morton <akpm@osdl.org> |
| Signed-off-by: Linus Torvalds <torvalds@osdl.org> |
| Signed-off-by: Chris Wright <chrisw@sous-sol.org> |
| Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> |
| --- |
| |
| security/selinux/ss/services.c | 4 ++++ |
| 1 file changed, 4 insertions(+) |
| |
| --- linux-2.6.16.16.orig/security/selinux/ss/services.c |
| +++ linux-2.6.16.16/security/selinux/ss/services.c |
| @@ -592,6 +592,10 @@ int security_sid_to_context(u32 sid, cha |
| |
| *scontext_len = strlen(initial_sid_to_string[sid]) + 1; |
| scontextp = kmalloc(*scontext_len,GFP_ATOMIC); |
| + if (!scontextp) { |
| + rc = -ENOMEM; |
| + goto out; |
| + } |
| strcpy(scontextp, initial_sid_to_string[sid]); |
| *scontext = scontextp; |
| goto out; |