4.17-stable review patch. If anyone has any objections, please let me know.
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From: Cong Wang xiyou.wangcong@gmail.com
commit 8b2ebb6cf064247d60cccbf1750610ac9bb2e672 upstream.
Similarly, tbl->entries is not initialized after kmalloc(), therefore causes an uninit-value warning in ip_vs_lblc_check_expire(), as reported by syzbot.
Reported-by: syzbot+3e9695f147fb529aa9bc@syzkaller.appspotmail.com Cc: Simon Horman horms@verge.net.au Cc: Julian Anastasov ja@ssi.bg Cc: Pablo Neira Ayuso pablo@netfilter.org Signed-off-by: Cong Wang xiyou.wangcong@gmail.com Acked-by: Julian Anastasov ja@ssi.bg Acked-by: Simon Horman horms@verge.net.au Signed-off-by: Pablo Neira Ayuso pablo@netfilter.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- net/netfilter/ipvs/ip_vs_lblc.c | 1 + 1 file changed, 1 insertion(+)
--- a/net/netfilter/ipvs/ip_vs_lblc.c +++ b/net/netfilter/ipvs/ip_vs_lblc.c @@ -371,6 +371,7 @@ static int ip_vs_lblc_init_svc(struct ip tbl->counter = 1; tbl->dead = false; tbl->svc = svc; + atomic_set(&tbl->entries, 0);
/* * Hook periodic timer for garbage collection