提交 f65163fe 编写于 作者: J Jon Maloy 提交者: David S. Miller

tipc: eliminate KASAN warning

The following warning was reported by syzbot on Oct 24. 2017:
KASAN: slab-out-of-bounds Read in tipc_nametbl_lookup_dst_nodes

This is a harmless bug, but we still want to get rid of the warning,
so we swap the two conditions in question.
Signed-off-by: NJon Maloy <jon.maloy@ericsson.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 56546e3b
......@@ -697,7 +697,7 @@ void tipc_nametbl_lookup_dst_nodes(struct net *net, u32 type, u32 lower,
spin_lock_bh(&seq->lock);
sseq = seq->sseqs + nameseq_locate_subseq(seq, lower);
stop = seq->sseqs + seq->first_free;
for (; sseq->lower <= upper && sseq != stop; sseq++) {
for (; sseq != stop && sseq->lower <= upper; sseq++) {
info = sseq->info;
list_for_each_entry(publ, &info->zone_list, zone_list) {
if (tipc_in_scope(domain, publ->node))
......
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