subject:"\[Xen\-devel\] \[PATCH v2\] fix potential int overflow in efi\/boot"

Re: [Xen-devel] [PATCH v2] fix potential int overflow in efi/boot

2016-12-12 Thread Jan Beulich

>>> On 09.12.16 at 20:52, wrote: > HorizontalResolution and VerticalResolution are 32bit, while size is > 64bit. As it stands multiplications are evaluated with 32bit arithmetic, > which could overflow. Cast HorizontalResolution to 64bit to avoid that. > > Coverity-ID: 1381858 > > Signed-off-by:

Re: [Xen-devel] [PATCH v2] fix potential int overflow in efi/boot

2016-12-09 Thread Stefano Stabellini

Forgot to CC Jan again. On Fri, 9 Dec 2016, Stefano Stabellini wrote: > HorizontalResolution and VerticalResolution are 32bit, while size is > 64bit. As it stands multiplications are evaluated with 32bit arithmetic, > which could overflow. Cast HorizontalResolution to 64bit to avoid that. > > Cov

[Xen-devel] [PATCH v2] fix potential int overflow in efi/boot

2016-12-09 Thread Stefano Stabellini

HorizontalResolution and VerticalResolution are 32bit, while size is 64bit. As it stands multiplications are evaluated with 32bit arithmetic, which could overflow. Cast HorizontalResolution to 64bit to avoid that. Coverity-ID: 1381858 Signed-off-by: Stefano Stabellini --- Changes in v2: - remov