| Date | Wed, 11 Sep 2013 00:28:23 -0400 | From | Steven Rostedt <> | Subject | [076/251] iscsi-target: Fix tfc_tpg_nacl_auth_cit configfs length overflow |
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3.6.11.9-rc1 stable review patch. If anyone has any objections, please let me know.
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From: =?UTF-8?q?J=C3=B6rn=20Engel?= <joern@logfs.org>
[ 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 <joern@logfs.org> Cc: stable@vger.kernel.org Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> --- 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
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