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DNETMAP: fix write past end of buffer

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This commit is contained in:
Jan Engelhardt
2017-07-23 20:01:46 +02:00
parent 89c80f5981
commit b565a85fb6
1 changed files with 1 additions and 1 deletions
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2
extensions/xt_DNETMAP.c
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@@ -398,7 +398,7 @@ dnetmap_tg(struct sk_buff *skb, const struct xt_action_param *par)
/* if prefix is specified, we check if
it matches lookedup entry */
if (tginfo->flags & XT_DNETMAP_PREFIX)
if (memcmp(mr, &e->prefix, sizeof(*mr)))
if (memcmp(mr, &e->prefix->prefix, sizeof(*mr)))
goto no_rev_map;
/* don't reset ttl if flag is set */
if (jttl >= 0 && (! (e->flags & XT_DNETMAP_STATIC) ) ) {