On Tue, 13 Oct 2009 18:10:17 +0900 Akinobu Mita <akinobu.mita@xxxxxxxxx> wrote: > My user space testing exposed off-by-one error find_next_zero_area > in iommu-helper. Some zero area cannot be found by this bug. > > Subject: [PATCH] Fix off-by-one error in find_next_zero_area > > Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx> > --- > lib/iommu-helper.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/lib/iommu-helper.c b/lib/iommu-helper.c > index 75dbda0..afc58bc 100644 > --- a/lib/iommu-helper.c > +++ b/lib/iommu-helper.c > @@ -19,7 +19,7 @@ again: > index = (index + align_mask) & ~align_mask; > > end = index + nr; > - if (end >= size) > + if (end > size) I think that this is intentional; the last byte of the limit doesn't work. -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
