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Message-ID: <20241101174705.12682-2-dpenkler@gmail.com>
Date: Fri, 1 Nov 2024 18:46:57 +0100
From: Dave Penkler <dpenkler@...il.com>
To: gregkh@...uxfoundation.org,
linux-staging@...ts.linux.dev,
linux-kernel@...r.kernel.org
Cc: skhan@...uxfoundation.org,
arnd@...db.de,
Dave Penkler <dpenkler@...il.com>
Subject: [PATCH 1/9] Fix buffer overflow in ni_usb_init
The writes buffer size was taking into accont the number of
entries causing random oopses.
Signed-off-by: Dave Penkler <dpenkler@...il.com>
---
drivers/staging/gpib/ni_usb/ni_usb_gpib.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/gpib/ni_usb/ni_usb_gpib.c b/drivers/staging/gpib/ni_usb/ni_usb_gpib.c
index 571f07800c9a..9ff56b063681 100644
--- a/drivers/staging/gpib/ni_usb/ni_usb_gpib.c
+++ b/drivers/staging/gpib/ni_usb/ni_usb_gpib.c
@@ -1726,7 +1726,7 @@ static int ni_usb_init(gpib_board_t *board)
unsigned int ibsta;
int writes_len;
- writes = kmalloc(sizeof(*writes), GFP_KERNEL);
+ writes = kmalloc(sizeof(*writes) * NUM_INIT_WRITES, GFP_KERNEL);
if (!writes)
return -ENOMEM;
--
2.46.2
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