[patch] [media] bt8xx: info leak in ca_get_slot_info()

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

 



p_ca_slot_info was allocated with kmalloc() so we need to clear it
before passing it to the user.

Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

diff --git a/drivers/media/pci/bt8xx/dst_ca.c b/drivers/media/pci/bt8xx/dst_ca.c
index 0e788fc..6b9dc3f 100644
--- a/drivers/media/pci/bt8xx/dst_ca.c
+++ b/drivers/media/pci/bt8xx/dst_ca.c
@@ -302,8 +302,11 @@ static int ca_get_slot_info(struct dst_state *state, struct ca_slot_info *p_ca_s
 		p_ca_slot_info->flags = CA_CI_MODULE_READY;
 		p_ca_slot_info->num = 1;
 		p_ca_slot_info->type = CA_CI;
-	} else
+	} else {
 		p_ca_slot_info->flags = 0;
+		p_ca_slot_info->num = 0;
+		p_ca_slot_info->type = 0;
+	}
 
 	if (copy_to_user(arg, p_ca_slot_info, sizeof (struct ca_slot_info)))
 		return -EFAULT;
--
To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Kernel Development]     [Kernel Announce]     [Kernel Newbies]     [Linux Networking Development]     [Share Photos]     [IDE]     [Security]     [Git]     [Netfilter]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Device Mapper]

  Powered by Linux