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iscsi-target: Fix tfc_tpg_auth_cit configfs length overflow

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This patch fixes another potential buffer overflow while processing
iscsi_node_auth input for configfs attributes in v3.11 for-next
TPG tfc_tpg_auth_cit context.

Reported-by: Joern Engel <joern@logfs.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Nicholas Bellinger 2013-07-06 16:48:55 -07:00
parent 0fbfc46fb0
commit 37b32c6faf
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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@ -1081,7 +1081,7 @@ 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 \