Hi Zhenyu, On 8/6/18 9:26 PM, Zhenyu Wang wrote: > On 2018.08.02 22:40:19 -0500, Gustavo A. R. Silva wrote: >> info.index can be indirectly controlled by user-space, hence leading >> to a potential exploitation of the Spectre variant 1 vulnerability. >> >> This issue was detected with the help of Smatch: >> >> drivers/gpu/drm/i915/gvt/kvmgt.c:1232 intel_vgpu_ioctl() warn: >> potential spectre issue 'vgpu->vdev.region' [r] >> >> Fix this by sanitizing info.index before indirectly using it to index >> vgpu->vdev.region > > Thanks for catching this! Applied. > Glad to help. :) Thanks -- Gustavo _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
