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Check that the virtual address is "ok" when activating a gfn_to_pfn_cache with a host VA to ensure that KVM never attempts to use a bad address. This fixes a bug where KVM fails to check the incoming address when handling KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO_HVA in kvm_xen_vcpu_set_attr(). Reported-by: syzbot+fd555292a1da3180fc82@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=fd555292a1da3180fc82 Tested-by: syzbot+fd555292a1da3180fc82@syzkaller.appspotmail.com Signed-off-by: Pei Li <peili.dev@gmail.com> Reviewed-by: Paul Durrant <paul@xen.org> Reviewed-by: David Woodhouse <dwmw@amazon.co.uk> Link: https://lore.kernel.org/r/20240627-bug5-v2-1-2c63f7ee6739@gmail.com [sean: rewrite changelog with --verbose] Signed-off-by: Sean Christopherson <seanjc@google.com> |
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| .. | ||
| boot | ||
| coco | ||
| configs | ||
| crypto | ||
| entry | ||
| events | ||
| hyperv | ||
| ia32 | ||
| include | ||
| kernel | ||
| kvm | ||
| lib | ||
| math-emu | ||
| mm | ||
| net | ||
| pci | ||
| platform | ||
| power | ||
| purgatory | ||
| ras | ||
| realmode | ||
| tools | ||
| um | ||
| video | ||
| virt | ||
| xen | ||
| .gitignore | ||
| Kbuild | ||
| Kconfig | ||
| Kconfig.assembler | ||
| Kconfig.cpu | ||
| Kconfig.debug | ||
| Makefile | ||
| Makefile_32.cpu | ||
| Makefile.postlink | ||
| Makefile.um | ||