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| author | Geyslan G. Bem <geyslan@gmail.com> | 2013-11-24 08:37:01 -0300 |
|---|---|---|
| committer | Paul Moore <pmoore@redhat.com> | 2013-11-25 17:00:33 -0500 |
| commit | 8e645c345a4cf6b8b13054b4ec2f6371f05876a9 (patch) | |
| tree | d81d01ba23cb6dc1b12396d4992fea48e1b5b0ee /security/selinux | |
| parent | b5495b4217d3fa64deac479db83dbede149af7d8 (diff) | |
| download | linux-8e645c345a4cf6b8b13054b4ec2f6371f05876a9.tar.gz linux-8e645c345a4cf6b8b13054b4ec2f6371f05876a9.tar.bz2 linux-8e645c345a4cf6b8b13054b4ec2f6371f05876a9.zip | |
selinux: fix possible memory leak
Free 'ctx_str' when necessary.
Signed-off-by: Geyslan G. Bem <geyslan@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Paul Moore <pmoore@redhat.com>
Diffstat (limited to 'security/selinux')
| -rw-r--r-- | security/selinux/xfrm.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/security/selinux/xfrm.c b/security/selinux/xfrm.c index a91d205ec0c6..cf79a4564e38 100644 --- a/security/selinux/xfrm.c +++ b/security/selinux/xfrm.c @@ -327,19 +327,22 @@ int selinux_xfrm_state_alloc_acquire(struct xfrm_state *x, return rc; ctx = kmalloc(sizeof(*ctx) + str_len, GFP_ATOMIC); - if (!ctx) - return -ENOMEM; + if (!ctx) { + rc = -ENOMEM; + goto out; + } ctx->ctx_doi = XFRM_SC_DOI_LSM; ctx->ctx_alg = XFRM_SC_ALG_SELINUX; ctx->ctx_sid = secid; ctx->ctx_len = str_len; memcpy(ctx->ctx_str, ctx_str, str_len); - kfree(ctx_str); x->security = ctx; atomic_inc(&selinux_xfrm_refcount); - return 0; +out: + kfree(ctx_str); + return rc; } /* |