[PATCH] scsi: be2iscsi: Reset the address passed in beiscsi_iface_create_default

From: Aditya Pakki
Date: Tue Apr 06 2021 - 20:24:50 EST


if_info is a local variable that is passed to beiscsi_if_get_info. In
case of failure, the variable is free'd but not reset to NULL. The patch
avoids security issue by passing NULL to if_info.

Signed-off-by: Aditya Pakki <pakki001@xxxxxxx>
---
drivers/scsi/be2iscsi/be_iscsi.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/scsi/be2iscsi/be_iscsi.c b/drivers/scsi/be2iscsi/be_iscsi.c
index a13c203ef7a9..1ff9d2a2a876 100644
--- a/drivers/scsi/be2iscsi/be_iscsi.c
+++ b/drivers/scsi/be2iscsi/be_iscsi.c
@@ -274,11 +274,13 @@ void beiscsi_iface_create_default(struct beiscsi_hba *phba)
if (!beiscsi_if_get_info(phba, BEISCSI_IP_TYPE_V4, &if_info)) {
beiscsi_iface_create_ipv4(phba);
kfree(if_info);
+ if_info = NULL;
}

if (!beiscsi_if_get_info(phba, BEISCSI_IP_TYPE_V6, &if_info)) {
beiscsi_iface_create_ipv6(phba);
kfree(if_info);
+ if_info = NULL;
}
}

--
2.25.1