Liping Zhang <zlpnob...@163.com> wrote: > From: Liping Zhang <liping.zh...@spreadtrum.com> > > When connlabel.conf is empty, nfct_labelmap_new will return NULL and > set errno to 0. So we will miss to check this situation, and cause NULL > deference in nfct_labelmap_get_bit. > > Input the following commands will reproduce this crash: > # echo > /etc/xtables/connlabel.conf > # iptables -A INPUT -m connlabel --label abc > Segmentation fault (core dumped)
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