Please ignore this patch. I will resubmit the patch again. On Wed, 11 Apr 2018 15:08:40 +0530 Ajay Singh <ajay.kathat@xxxxxxxxxxxxx> wrote: > Commit fe014d4e6b55 (staging: wilc1000: free memory allocated for > general info message from firmware) introduced bug by using wrong > source address in kmemdup(). 'conn_info.req_ies' is used for source > address in kempdup() instead of 'hif_drv->usr_conn_req.ies'. > > This commit fixes the NULL pointer dereference issue in > host_int_parse_assoc_resp_info() by using the correct source > address in kmemdup(). > > Fixes: fe014d4e6b55 (staging: wilc1000: free memory allocated for > general info message from firmware) > Cc: stable@xxxxxxxxxxxxxxx > Signed-off-by: Ajay Singh <ajay.kathat@xxxxxxxxxxxxx> > Tested-by: Ajay Singh <ajay.kathat@xxxxxxxxxxxxx> > --- > drivers/staging/wilc1000/host_interface.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/staging/wilc1000/host_interface.c > b/drivers/staging/wilc1000/host_interface.c index 316d73c..302e3cb > 100644 --- a/drivers/staging/wilc1000/host_interface.c > +++ b/drivers/staging/wilc1000/host_interface.c > @@ -1387,7 +1387,7 @@ static inline void > host_int_parse_assoc_resp_info(struct wilc_vif *vif, } > > if (hif_drv->usr_conn_req.ies) { > - conn_info.req_ies = kmemdup(conn_info.req_ies, > + conn_info.req_ies = > kmemdup(hif_drv->usr_conn_req.ies, hif_drv->usr_conn_req.ies_len, > GFP_KERNEL); > if (conn_info.req_ies) Regards, Ajay