DivestOS/Patches/Linux_CVEs/CVE-2017-0430/ANY/0.patch
2017-10-29 22:14:37 -04:00

31 lines
1.3 KiB
Diff

From 709105c301aa53fb86c46b36f882998558b19652 Mon Sep 17 00:00:00 2001
From: Greg Hackmann <ghackmann@google.com>
Date: Tue, 15 Nov 2016 15:17:24 -0800
Subject: [PATCH] net: wireless: bcmdhd: fix use-after-free in
_dhd_pno_get_for_batch()
Bug: 32838767
Change-Id: I987b07c30b3ed76865a002e7c154a5fa36b1bf29
Signed-off-by: Greg Hackmann <ghackmann@google.com>
---
drivers/net/wireless/bcmdhd/dhd_pno.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/bcmdhd/dhd_pno.c b/drivers/net/wireless/bcmdhd/dhd_pno.c
index 3e4c6d8191f47..93642ed12bc04 100644
--- a/drivers/net/wireless/bcmdhd/dhd_pno.c
+++ b/drivers/net/wireless/bcmdhd/dhd_pno.c
@@ -3069,9 +3069,10 @@ _dhd_pno_get_for_batch(dhd_pub_t *dhd, char *buf, int bufsize, int reason)
list_del(&pscan_results->list);
MFREE(dhd->osh, pscan_results, SCAN_RESULTS_SIZE);
_params->params_batch.get_batch.top_node_cnt--;
+ } else {
+ /* increase total scan count using current scan count */
+ _params->params_batch.get_batch.tot_scan_cnt += pscan_results->cnt_header;
}
- /* increase total scan count using current scan count */
- _params->params_batch.get_batch.tot_scan_cnt += pscan_results->cnt_header;
if (buf && bufsize) {
/* This is a first try to get batching results */