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Commit 8e645c34 authored by Geyslan G. Bem's avatar Geyslan G. Bem Committed by Paul Moore
Browse files

selinux: fix possible memory leak 



Free 'ctx_str' when necessary.

Signed-off-by: default avatarGeyslan G. Bem <geyslan@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: default avatarPaul Moore <pmoore@redhat.com>
parent b5495b42

security/selinux/xfrm.c

+7 −4
Original line number Diff line number Diff line
@@ -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;

}



/*