Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@xxxxxxxxx> Cc: Igor Alekseev <igor.alekseev@xxxxxxx> --- drivers/vme/vme.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/vme/vme.c b/drivers/vme/vme.c index 6bab2c4..1b78d27 100644 --- a/drivers/vme/vme.c +++ b/drivers/vme/vme.c @@ -199,10 +199,8 @@ static int vme_check_window(u32 aspace, unsigned long long vme_base, retval = -EFAULT; break; case VME_A64: - /* - * Any value held in an unsigned long long can be used as the - * base - */ + if ((size != 0) && (vme_base > U64_MAX + 1 - size)) + retval = -EFAULT; break; case VME_CRCSR: if (((vme_base + size) > VME_CRCSR_MAX) || -- 1.8.3.1 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
