usb_blk_msg() will return the passed 'len' (64) as the 'actual_len' (cnt) of
the transfer. The addition of the '\0' to the end of the returned string will
overrun the 'rx' array. Increase the array size by 1 to fix the out-of-bounds
write.
Reported-by: coverity (CID 711413)
Signed-off-by: H Hartley Sweeten <hswee...@visionengravers.com>
Cc: Ian Abbott <abbo...@mev.co.uk>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/staging/comedi/drivers/vmk80xx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/comedi/drivers/vmk80xx.c
b/drivers/staging/comedi/drivers/vmk80xx.c
index e371183..e0656d1 100644
--- a/drivers/staging/comedi/drivers/vmk80xx.c
+++ b/drivers/staging/comedi/drivers/vmk80xx.c
@@ -195,7 +195,7 @@ static void vmk80xx_read_eeprom(struct comedi_device *dev,
int flag)
unsigned int tx_pipe;
unsigned int rx_pipe;
unsigned char tx[1];
- unsigned char rx[64];
+ unsigned char rx[65];
int cnt;
tx_pipe = usb_sndbulkpipe(usb, 0x01);
--
2.3.0
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