| Message ID | 20210407002445.2209330-1-pakki001@umn.edu |
|---|---|
| State | New |
| Headers | show |
| Series | scsi: be2iscsi: Reset the address passed in beiscsi_iface_create_default | expand |
On Tue, Apr 06, 2021 at 07:24:45PM -0500, Aditya Pakki wrote: > 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. That is just not true at all. Stop submitting patches that you know are invalid. Your experiment is not ethical, and not welcome or appreciated. greg k-h
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; } }
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@umn.edu> --- drivers/scsi/be2iscsi/be_iscsi.c | 2 ++ 1 file changed, 2 insertions(+)