From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-Id: <20130911042905.012783533@goodmis.org> Date: Wed, 11 Sep 2013 00:28:23 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Joern Engel , Nicholas Bellinger Subject: [076/251] iscsi-target: Fix tfc_tpg_nacl_auth_cit configfs length overflow References: <20130911042707.738353451@goodmis.org> Content-Disposition: inline; filename=0076-iscsi-target-Fix-tfc_tpg_nacl_auth_cit-configfs-leng.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: 3.6.11.9-rc1 stable review patch. If anyone has any objections, please let me know. ------------------ From: =?UTF-8?q?J=C3=B6rn=20Engel?= [ Upstream commit 0fbfc46fb0b2f543a8b539e94c6c293ebc0b05a6 ] This patch fixes a potential buffer overflow while processing iscsi_node_auth input for configfs attributes within NodeACL tfc_tpg_nacl_auth_cit context. Signed-off-by: Joern Engel Cc: stable@vger.kernel.org Signed-off-by: Nicholas Bellinger Signed-off-by: Steven Rostedt --- drivers/target/iscsi/iscsi_target_configfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/target/iscsi/iscsi_target_configfs.c b/drivers/target/iscsi/iscsi_target_configfs.c index a7b25e7..73adddc 100644 --- a/drivers/target/iscsi/iscsi_target_configfs.c +++ b/drivers/target/iscsi/iscsi_target_configfs.c @@ -393,7 +393,7 @@ static ssize_t __iscsi_##prefix##_store_##name( \ if (!capable(CAP_SYS_ADMIN)) \ return -EPERM; \ \ - snprintf(auth->name, PAGE_SIZE, "%s", page); \ + snprintf(auth->name, sizeof(auth->name), "%s", page); \ if (!strncmp("NULL", auth->name, 4)) \ auth->naf_flags &= ~flags; \ else \ -- 1.7.10.4