From: Liping Zhang Date: Sun, 18 Jun 2017 02:51:09 +0000 (+0800) Subject: netfilter: ebt_nflog: fix unexpected truncated packet X-Git-Tag: rel_imx_4.19.35_1.1.0~12197^2~13^2 X-Git-Url: https://git.somdevices.com/?a=commitdiff_plain;h=91af6ba7ff16bd7e5919aedfe70aad73a3375619;p=linux.git netfilter: ebt_nflog: fix unexpected truncated packet "struct nf_loginfo li;" is a local variable, so we should set the flags to 0 explicitly, else, packets maybe truncated unexpectedly when copied to the userspace. Fixes: 7643507fe8b5 ("netfilter: xt_NFLOG: nflog-range does not truncate packets") Cc: Vishwanath Pai Signed-off-by: Liping Zhang Signed-off-by: Pablo Neira Ayuso --- diff --git a/net/bridge/netfilter/ebt_nflog.c b/net/bridge/netfilter/ebt_nflog.c index c1dc48686200..da1c2fdc08c8 100644 --- a/net/bridge/netfilter/ebt_nflog.c +++ b/net/bridge/netfilter/ebt_nflog.c @@ -30,6 +30,7 @@ ebt_nflog_tg(struct sk_buff *skb, const struct xt_action_param *par) li.u.ulog.copy_len = info->len; li.u.ulog.group = info->group; li.u.ulog.qthreshold = info->threshold; + li.u.ulog.flags = 0; nf_log_packet(net, PF_BRIDGE, xt_hooknum(par), skb, xt_in(par), xt_out(par), &li, "%s", info->prefix);