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| author | Serge E. Hallyn <serue@us.ibm.com> | 2006-05-15 09:43:48 -0700 |
|---|---|---|
| committer | Chris Wright <chrisw@sous-sol.org> | 2006-05-20 15:00:31 -0700 |
| commit | 3220ee4a7afa92cc7315f9f74b64bb8a7f9b1320 (patch) | |
| tree | 8b7929c1bdb5e73e94782306fc457ae3312cdfb2 | |
| parent | 39970bdd43f953f204f1bcbdf1d97dc2d78df17f (diff) | |
| download | lwn-3220ee4a7afa92cc7315f9f74b64bb8a7f9b1320.tar.gz lwn-3220ee4a7afa92cc7315f9f74b64bb8a7f9b1320.zip | |
[PATCH] 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>
| -rw-r--r-- | security/selinux/ss/services.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c index 8a764928ff4b..6375dd578b39 100644 --- a/security/selinux/ss/services.c +++ b/security/selinux/ss/services.c @@ -592,6 +592,10 @@ int security_sid_to_context(u32 sid, char **scontext, u32 *scontext_len) *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; |