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iscsi-target: Fix tfc_tpg_nacl_auth_cit configfs length overflow

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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>
This commit is contained in:
Jörn Engel 2013-07-03 11:35:11 -04:00 committed by Nicholas Bellinger
parent adb54c2931
commit 0fbfc46fb0
1 changed files with 1 additions and 1 deletions
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2
drivers/target/iscsi/iscsi_target_configfs.c
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@ -473,7 +473,7 @@ static ssize_t __iscsi_##prefix##_store_##name( \
if (!capable(CAP_SYS_ADMIN)) \ if (!capable(CAP_SYS_ADMIN)) \
return -EPERM; \ return -EPERM; \
\ \
snprintf(auth->name, PAGE_SIZE, "%s", page); \ snprintf(auth->name, sizeof(auth->name), "%s", page); \
if (!strncmp("NULL", auth->name, 4)) \ if (!strncmp("NULL", auth->name, 4)) \
auth->naf_flags &= ~flags; \ auth->naf_flags &= ~flags; \
else \ else \