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28 lines
1005 B
Diff
28 lines
1005 B
Diff
From 4b29d0111186ebef75a9af7da8257697386ac4a4 Mon Sep 17 00:00:00 2001
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From: Insun Song <insun.song@broadcom.com>
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Date: Wed, 25 Jan 2017 11:41:49 -0800
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Subject: [PATCH] net: wireless: bcmdhd: fix buffer overrun in wlfc reordering
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added boundary check not to override allocated buffer
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Signed-off-by: Insun Song <insun.song@broadcom.com>
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Change-Id: Iad44141ba4e4cd224eda292c05ffe525bf74227d
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Bug: 34203305
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---
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drivers/net/wireless/bcmdhd/dhd_wlfc.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/drivers/net/wireless/bcmdhd/dhd_wlfc.c b/drivers/net/wireless/bcmdhd/dhd_wlfc.c
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index 741ebc8642275..3b9cfe85f7635 100644
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--- a/drivers/net/wireless/bcmdhd/dhd_wlfc.c
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+++ b/drivers/net/wireless/bcmdhd/dhd_wlfc.c
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@@ -2458,7 +2458,7 @@ static void
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_dhd_wlfc_reorderinfo_indicate(uint8 *val, uint8 len, uchar *info_buf, uint *info_len)
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{
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if (info_len) {
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- if (info_buf) {
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+ if (info_buf && (len <= WLHOST_REORDERDATA_TOTLEN)) {
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bcopy(val, info_buf, len);
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*info_len = len;
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}
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