On Tue, Oct 17, 2017 at 03:11:51PM +0100, Andrew Cooper wrote: > Discovered when running the XSA-232 PoC on a UBSAN-enabled hypervisor. > > (d79) XSA-232 PoC > (XEN) > ================================================================================ > (XEN) UBSAN: Undefined behaviour in grant_table.c:3217:25 > (XEN) left shift of 1 by 31 places cannot be represented in type 'int' > (XEN) ----[ Xen-4.10.0-rc x86_64 debug=y Tainted: H ]---- > > Update all of the GNTTAB_CACHE_* constants to be unsigned integers. > > Signed-off-by: Andrew Cooper <andrew.coop...@citrix.com>
Reviewed-by: Wei Liu <wei.l...@citrix.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
