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tipc: eliminate KASAN warning

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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: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jon Maloy 2017-10-25 16:19:52 +02:00 committed by David S. Miller
parent 56546e3b9f
commit f65163fed0
1 changed files with 1 additions and 1 deletions
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2
net/tipc/name_table.c
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@ -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))