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authorLiping Zhang <zlpnobody@gmail.com>2017-06-18 10:51:09 +0800
committerPablo Neira Ayuso <pablo@netfilter.org>2017-06-29 18:47:02 +0200
commit91af6ba7ff16bd7e5919aedfe70aad73a3375619 (patch)
tree43d16e98124710b7b2d62a00da11cddade80eaf2 /net/bridge
parentdeaa0a976b829af8a7886d8e2528a675cbe4dac8 (diff)
downloadlinux-91af6ba7ff16bd7e5919aedfe70aad73a3375619.tar.bz2
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 <vpai@akamai.com> Signed-off-by: Liping Zhang <zlpnobody@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/bridge')
-rw-r--r--net/bridge/netfilter/ebt_nflog.c1
1 files changed, 1 insertions, 0 deletions
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);