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Subject[PATCH AUTOSEL 3.18 09/29] scsi: target/iscsi: Make iscsit_ta_authentication() respect the output buffer size
Date
From: Bart Van Assche <bart.vanassche@wdc.com>

[ Upstream commit 35bea5c84fd13c643cce63f0b5cd4b148f8c901d ]

Fixes: e48354ce078c ("iscsi-target: Add iSCSI fabric support for target v4.1")
Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Reviewed-by: Mike Christie <mchristi@redhat.com>
Cc: Mike Christie <mchristi@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
---
drivers/target/iscsi/iscsi_target_tpg.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/target/iscsi/iscsi_target_tpg.c b/drivers/target/iscsi/iscsi_target_tpg.c
index 5530321c44f2..afef70b1aaaf 100644
--- a/drivers/target/iscsi/iscsi_target_tpg.c
+++ b/drivers/target/iscsi/iscsi_target_tpg.c
@@ -651,8 +651,7 @@ int iscsit_ta_authentication(struct iscsi_portal_group *tpg, u32 authentication)
none = strstr(buf1, NONE);
if (none)
goto out;
- strncat(buf1, ",", strlen(","));
- strncat(buf1, NONE, strlen(NONE));
+ strlcat(buf1, "," NONE, sizeof(buf1));
if (iscsi_update_param_value(param, buf1) < 0)
return -EINVAL;
}
--
2.17.1
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