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commit625fa77151upstream. The syzbot reported a kernel-usb-infoleak in usbtmc_write, we need to clear the structure before filling fields. Fixes:4ddc645f40("usb: usbtmc: Add ioctl for vendor specific write") Reported-and-tested-by: syzbot+9d34f80f841e948c3fdb@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=9d34f80f841e948c3fdb Signed-off-by: Edward Adam Davis <eadavis@qq.com> Cc: stable <stable@kernel.org> Link: https://lore.kernel.org/r/tencent_9649AA6EC56EDECCA8A7D106C792D1C66B06@qq.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>