From: Matteo Semenzato <mattew8898@xxxxxxxxx>
This patch fixes the buffer overflow caused by accessing index 4 of hwxmits.
Signed-off-by: Matteo Semenzato <mattew8898@xxxxxxxxx>
---
drivers/staging/rtl8188eu/core/rtw_xmit.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/rtl8188eu/core/rtw_xmit.c b/drivers/staging/rtl8188eu/core/rtw_xmit.c
index 7a71df1..7b22779 100644
--- a/drivers/staging/rtl8188eu/core/rtw_xmit.c
+++ b/drivers/staging/rtl8188eu/core/rtw_xmit.c
@@ -1631,10 +1631,12 @@ void rtw_alloc_hwxmits(struct adapter *padapter)
{
struct hw_xmit *hwxmits;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+ size_t size;
pxmitpriv->hwxmit_entry = HWXMIT_ENTRY;
- pxmitpriv->hwxmits = kzalloc(sizeof(struct hw_xmit) * pxmitpriv->hwxmit_entry, GFP_KERNEL);
+ size = sizeof(struct hw_xmit) * (pxmitpriv->hwxmit_entry + 1);
+ pxmitpriv->hwxmits = kzalloc(size, GFP_KERNEL);
hwxmits = pxmitpriv->hwxmits;
--
2.3.2
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