Initialize the buffer before passing it to usb_read_cmd() function(s) to fix the uninit-was-stored issue in asix_read_cmd(). Fixes: KMSAN: kernel-infoleak in raw_ioctl Reported by: syzbot+a7e220df5a81d1ab400e@xxxxxxxxxxxxxxxxxxxxxxxxx Signed-off-by: Himadri Pandya <himadrispandya@xxxxxxxxx> --- drivers/net/usb/asix_common.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/usb/asix_common.c b/drivers/net/usb/asix_common.c index e39f41efda3e..a67ea1971b78 100644 --- a/drivers/net/usb/asix_common.c +++ b/drivers/net/usb/asix_common.c @@ -17,6 +17,8 @@ int asix_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index, BUG_ON(!dev); + memset(data, 0, size); + if (!in_pm) fn = usbnet_read_cmd; else -- 2.17.1
