https://bugzilla.redhat.com/show_bug.cgi?id=1612009 Check sev capability pointer in function qemuGetSEVInfoToParams to avoid null pointer dereferences. Signed-off-by: Han Han <hhan@xxxxxxxxxx> --- src/qemu/qemu_driver.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c index fb0d4a8c7a..3daaef586f 100644 --- a/src/qemu/qemu_driver.c +++ b/src/qemu/qemu_driver.c @@ -21452,6 +21452,12 @@ qemuGetSEVInfoToParams(virQEMUCapsPtr qemuCaps, virCheckFlags(VIR_TYPED_PARAM_STRING_OKAY, -1); + if (!sev) { + virReportError(VIR_ERR_OPERATION_UNSUPPORTED, "%s", + _("SEV is not supported in this guest")); + return -1; + } + if (virTypedParamsAddString(&sevParams, &n, &maxpar, VIR_NODE_SEV_PDH, sev->pdh) < 0) return -1; -- 2.18.0 -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list
