[PATCH 4/6] SCSI: esas2r: smatch - Fix overrun due to sprintf appending NULL

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Signed-off-by: Bradley Grove <bgrove@xxxxxxxxxxxx>
---
 drivers/scsi/esas2r/esas2r_vda.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/esas2r/esas2r_vda.c b/drivers/scsi/esas2r/esas2r_vda.c
index f8ec6d6..fd13928 100644
--- a/drivers/scsi/esas2r/esas2r_vda.c
+++ b/drivers/scsi/esas2r/esas2r_vda.c
@@ -302,6 +302,7 @@ static void esas2r_complete_vda_ioctl(struct esas2r_adapter *a,
 		if (vi->cmd.cfg.cfg_func == VDA_CFG_GET_INIT) {
 			struct atto_ioctl_vda_cfg_cmd *cfg = &vi->cmd.cfg;
 			struct atto_vda_cfg_rsp *rsp = &rq->func_rsp.cfg_rsp;
+			char buf[sizeof(cfg->data.init.fw_release) + 1];
 
 			cfg->data_length =
 				cpu_to_le32(sizeof(struct atto_vda_cfg_init));
@@ -309,11 +310,13 @@ static void esas2r_complete_vda_ioctl(struct esas2r_adapter *a,
 				le32_to_cpu(rsp->vda_version);
 			cfg->data.init.fw_build = rsp->fw_build;
 
-			sprintf((char *)&cfg->data.init.fw_release,
-				"%1d.%02d",
+			snprintf(buf, sizeof(buf), "%1d.%02d",
 				(int)LOBYTE(le16_to_cpu(rsp->fw_release)),
 				(int)HIBYTE(le16_to_cpu(rsp->fw_release)));
 
+			memcpy(&cfg->data.init.fw_release, buf,
+			       sizeof(cfg->data.init.fw_release));
+
 			if (LOWORD(LOBYTE(cfg->data.init.fw_build)) == 'A')
 				cfg->data.init.fw_version =
 					cfg->data.init.fw_build;
-- 
1.8.1.4

--
To unsubscribe from this list: send the line "unsubscribe linux-scsi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [SCSI Target Devel]     [Linux SCSI Target Infrastructure]     [Kernel Newbies]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Linux IIO]     [Samba]     [Device Mapper]
  Powered by Linux