netfilter: xt_RATEEST: reject non-null terminated string from userspace
syzbot reports: detected buffer overflow in strlen [..] Call Trace: strlen include/linux/string.h:325 [inline] strlcpy include/linux/string.h:348 [inline] xt_rateest_tg_checkentry+0x2a5/0x6b0 net/netfilter/xt_RATEEST.c:143 strlcpy assumes src is a c-string. Check info->name before its used. Reported-by:<syzbot+e86f7c428c8c50db65b4@syzkaller.appspotmail.com> Fixes: 5859034d ("[NETFILTER]: x_tables: add RATEEST target") Signed-off-by:
Florian Westphal <fw@strlen.de> Signed-off-by:
Pablo Neira Ayuso <pablo@netfilter.org>
parent
1f45dc22