[dm-devel] [PATCH 39/39] libmultipath/discovery.c: Fixup possible range overflow
Hannes Reinecke
hare at suse.de
Thu Jun 16 09:47:45 UTC 2016
When checking the maximum value for dev_loss_tmo we need to
use a larger type, otherwise the comparison will always be false.
Found by coverity.
Signed-off-by: Hannes Reinecke <hare at suse.com>
---
libmultipath/discovery.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libmultipath/discovery.c b/libmultipath/discovery.c
index 5d5441d..126a54f 100644
--- a/libmultipath/discovery.c
+++ b/libmultipath/discovery.c
@@ -670,7 +670,7 @@ sysfs_set_scsi_tmo (struct multipath *mpp)
int dev_loss_tmo = mpp->dev_loss;
if (mpp->no_path_retry > 0) {
- int no_path_retry_tmo = mpp->no_path_retry * conf->checkint;
+ uint64_t no_path_retry_tmo = mpp->no_path_retry * conf->checkint;
if (no_path_retry_tmo > MAX_DEV_LOSS_TMO)
no_path_retry_tmo = MAX_DEV_LOSS_TMO;
--
2.6.6
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