iscsi-target: Fix tfc_tpg_nacl_auth_cit configfs length overflow

commit 0fbfc46fb0 upstream.

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>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Joern Engel
2013-07-03 11:35:11 -04:00
committed by Greg Kroah-Hartman
parent fff9887938
commit a5d56a2217

View File

@@ -474,7 +474,7 @@ 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 \