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authorJoern Engel <joern@logfs.org>2013-07-03 11:35:11 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-08-04 16:50:32 +0800
commita5d56a2217664c7bc06cb7deeac9a2a155ba4345 (patch)
tree2d5cbebb723112d8448a0ee9da393ba70f841ab7 /drivers/target
parentfff98879381243f59b6e9f630d55312aa34a89c9 (diff)
downloadlinux-linaro-stable-a5d56a2217664c7bc06cb7deeac9a2a155ba4345.tar.gz
iscsi-target: Fix tfc_tpg_nacl_auth_cit configfs length overflow
commit 0fbfc46fb0b2f543a8b539e94c6c293ebc0b05a6 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>
Diffstat (limited to 'drivers/target')
-rw-r--r--drivers/target/iscsi/iscsi_target_configfs.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/target/iscsi/iscsi_target_configfs.c b/drivers/target/iscsi/iscsi_target_configfs.c
index 8d8b3ff68490..421344da8b51 100644
--- a/drivers/target/iscsi/iscsi_target_configfs.c
+++ b/drivers/target/iscsi/iscsi_target_configfs.c
@@ -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 \