diff options
| author | Florian Westphal <fw@strlen.de> | 2018-09-04 16:01:57 +0200 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2018-09-17 16:11:12 +0200 |
| commit | 70c0eb1ca016f7b6be6cd2a47efc4c701ce4488f (patch) | |
| tree | bd63a56577665026aa8f24458f734dcced723ace /net/netfilter/xt_IDLETIMER.c | |
| parent | fa5950e498e7face21a1761f327e6c1152f778c3 (diff) | |
netfilter: xtables: avoid BUG_ON
I see no reason for them, label or timer cannot be NULL, and if they
were, we'll crash with null deref anyway.
For skb_header_pointer failure, just set hotdrop to true and toss
such packet.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/netfilter/xt_IDLETIMER.c')
| -rw-r--r-- | net/netfilter/xt_IDLETIMER.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/net/netfilter/xt_IDLETIMER.c b/net/netfilter/xt_IDLETIMER.c index 5ee859193783..c6acfc2d9c84 100644 --- a/net/netfilter/xt_IDLETIMER.c +++ b/net/netfilter/xt_IDLETIMER.c @@ -68,8 +68,6 @@ struct idletimer_tg *__idletimer_tg_find_by_label(const char *label) { struct idletimer_tg *entry; - BUG_ON(!label); - list_for_each_entry(entry, &idletimer_tg_list, entry) { if (!strcmp(label, entry->attr.attr.name)) return entry; @@ -172,8 +170,6 @@ static unsigned int idletimer_tg_target(struct sk_buff *skb, pr_debug("resetting timer %s, timeout period %u\n", info->label, info->timeout); - BUG_ON(!info->timer); - mod_timer(&info->timer->timer, msecs_to_jiffies(info->timeout * 1000) + jiffies); |