From: Tomas Bortoli <[email protected]> commit 30a8beeb3042f49d0537b7050fd21b490166a3d9 upstream.
Uninitialized Kernel memory can leak to USB devices. Fix by using kzalloc() instead of kmalloc() on the affected buffers. Signed-off-by: Tomas Bortoli <[email protected]> Reported-by: [email protected] Fixes: 0a25e1f4f185 ("can: peak_usb: add support for PEAK new CANFD USB adapters") Cc: linux-stable <[email protected]> Signed-off-by: Marc Kleine-Budde <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/net/can/usb/peak_usb/pcan_usb_fd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/net/can/usb/peak_usb/pcan_usb_fd.c +++ b/drivers/net/can/usb/peak_usb/pcan_usb_fd.c @@ -851,7 +851,7 @@ static int pcan_usb_fd_init(struct peak_ goto err_out; /* allocate command buffer once for all for the interface */ - pdev->cmd_buffer_addr = kmalloc(PCAN_UFD_CMD_BUFFER_SIZE, + pdev->cmd_buffer_addr = kzalloc(PCAN_UFD_CMD_BUFFER_SIZE, GFP_KERNEL); if (!pdev->cmd_buffer_addr) goto err_out_1;
