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qapi: Fix object input visit beyond end of list

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Backports commit 1f41a645b65530859bf5984aa08e103bb452b473 from qemu
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Markus Armbruster 2018-03-02 12:22:44 -05:00 committed by Lioncash
parent ac1a61af47
commit 67cb4b0900
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GPG key ID: 4E3C3CC1031BA9C7
1 changed files with 8 additions and 3 deletions
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7
qemu/qapi/qobject-input-visitor.c
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@ -121,10 +121,15 @@ static QObject *qobject_input_try_get_object(QObjectInputVisitor *qiv,
} else { } else {
assert(qobject_type(qobj) == QTYPE_QLIST); assert(qobject_type(qobj) == QTYPE_QLIST);
assert(!name); assert(!name);
if (tos->entry) {
ret = qlist_entry_obj(tos->entry); ret = qlist_entry_obj(tos->entry);
assert(ret);
if (consume) { if (consume) {
tos->entry = qlist_next(tos->entry); tos->entry = qlist_next(tos->entry);
}
} else {
ret = NULL;
}
if (consume) {
tos->index++; tos->index++;
} }
} }