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D42222.1789679606.diff
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diff --git a/sys/netlink/netlink_message_parser.h b/sys/netlink/netlink_message_parser.h
--- a/sys/netlink/netlink_message_parser.h
+++ b/sys/netlink/netlink_message_parser.h
@@ -289,6 +289,14 @@
for (int j = 0; j < p->np_size; j++) {
MPASS(p->np[j].type > attr_type);
attr_type = p->np[j].type;
+
+ /* Recurse into nested objects. */
+ if (p->np[j].cb == nlattr_get_nested ||
+ p->np[j].cb == nlattr_get_nested_ptr) {
+ const struct nlhdr_parser *np =
+ (const struct nlhdr_parser *)p->np[j].arg;
+ nl_verify_parsers(&np, 1);
+ }
}
}
#endif
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D42222: netlink: descend into nested parsers when verifying
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